WO2024111813A1 - 이어버즈 크래들 및 이를 이용한 이어버드의 이어팁 크기 인식방법 - Google Patents
이어버즈 크래들 및 이를 이용한 이어버드의 이어팁 크기 인식방법 Download PDFInfo
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- WO2024111813A1 WO2024111813A1 PCT/KR2023/013202 KR2023013202W WO2024111813A1 WO 2024111813 A1 WO2024111813 A1 WO 2024111813A1 KR 2023013202 W KR2023013202 W KR 2023013202W WO 2024111813 A1 WO2024111813 A1 WO 2024111813A1
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- WIPO (PCT)
- Prior art keywords
- earbud
- sound
- eartip
- size
- microphone
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1016—Earpieces of the intra-aural type
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1058—Manufacture or assembly
- H04R1/1075—Mountings of transducers in earphones or headphones
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R5/00—Stereophonic arrangements
- H04R5/04—Circuit arrangements, e.g. for selective connection of amplifier inputs/outputs to loudspeakers, for loudspeaker detection, or for adaptation of settings to personal preferences or hearing impairments
Definitions
- This disclosure relates to an earbud cradle and a method of recognizing the size of an eartip of an earbud using the earbud cradle.
- earbuds are sold with an earbud cradle that has storage and charging functions.
- the earbuds cradle includes a pair of receiving spaces in which a pair of earbuds are accommodated.
- Earbuds are used with an eartip attached to the end where sound is emitted. Users can wear earbuds with ear tips attached to their ears. Since the user's ears have various shapes, the appropriate ear tip size may vary depending on the user.
- earbud manufacturers generally provide small ear tips, medium ear tips, and large ear tips.
- the user can select one of the small ear tips, medium ear tips, and large ear tips, attach them to the earbuds, and store the earbuds with the ear tips attached in the earbud cradle.
- An earbud cradle includes a body; a pair of earbud receiving grooves provided on the upper surface of the body and formed to accommodate a pair of earbuds 50; A sound reflection deformation portion (30) provided at the bottom of each of the pair of earbud receiving grooves (20); and a lid installed on the body to cover the pair of earbuds 50.
- the sound reflection deformation part 30 may be formed as a protrusion protruding from the bottom of the earbud receiving groove 20.
- the protrusion may be formed in any one of the following shapes: a dome, a cylinder, a cone, a truncated cone, a polygonal column, a polygonal pyramid, or a polygonal pyramid.
- the sound reflection deformation part 30 may be formed as a groove formed at the bottom of the earbud receiving groove 20.
- the groove may be formed in any one of the following shapes: a concave curved surface, a circular cross-section groove, or a polygonal cross-section groove.
- each of the pair of earbuds 50 includes a distal end including a passage through which sound is emitted; and an eartip detachably coupled to the distal end.
- the ear tip may be any one of a large ear tip, a medium ear tip, and a small ear tip.
- the sound reflection deformation part 30 may be provided to face the eartip.
- the sound reflection deformation unit 30 is configured to absorb the reflected sound of the sound emitted from the earbud 50 when the earbud 50 to which the large ear tip is coupled is accommodated in the earbud receiving groove 20.
- the difference in the reflected sound emitted from the earbud 50 is the bottom of the earbud receiving groove 20. It can be formed to be larger than when it is flat.
- the eartip is coupled to the distal end of the earbud 50 and may include a coupling portion through which sound passes.
- the sound reflection deformation part 30 may be formed as a protrusion whose tip is inserted into the coupling part.
- a method for recognizing the size of an eartip of an earbud includes the steps of mounting an earbud including an eartip on an earbud cradle; The speaker of the earbud emits sound; A step of reflecting the sound by a sound reflecting deformation part of the earbud cradle; Inputting the reflected sound into the microphone of the earbud; and recognizing the size of the eartip by comparing the electrical signal corresponding to the reflected sound output from the microphone with reference eartip sound data.
- the method of recognizing the eartip size of the earbud may further include recognizing that the earbuds are defective when the reflected sound is outside the range of the reference eartip sound data.
- a recognition method for fixing an earbud includes the steps of attaching an earbud including an ear tip to the user's ear; The speaker of the earbud emits sound; Inputting sound reflected from the user's ear into the microphone of the earbud; Comparing an electrical signal corresponding to the reflected sound output from the microphone with fixing sound data to confirm whether the earbud has been fixed; and maintaining the setting value of the equalizer when the earbud has been used.
- the recognition method for fixing the earbud includes: checking the size of the eartip if the earbud has not been fixed; and adjusting the setting value of the equalizer to fit the size of the ear tip.
- the recognition method for earbud fixation includes the steps of comparing the reflected sound with correction sound data for fixation to confirm whether the earbud has been fixed; and, if the earbud is not used, proposing replacement of the eartip.
- adjusting the setting value of the equalizer to match the size of the eartip can increase the intensity of the low frequency band and reduce the intensity of the mid-frequency band.
- the step of checking whether the earbud is fixed by comparing the electrical signal corresponding to the reflected sound output from the microphone with the fixing sound data is based on the electrical signal of the fixing sound data in the frequency range of 500Hz to 1000Hz.
- the strength of the signal can be compared with the strength of the electrical signal output from the microphone.
- FIG. 1 is a cross-sectional view showing an earbud cradle according to one or more embodiments of the present disclosure.
- Figure 2 is a cross-sectional view showing an earbud cradle according to one or more embodiments of the present disclosure without a pair of earbuds.
- Figure 3 is a diagram showing an earbud in an earbud cradle according to one or more embodiments of the present disclosure.
- Figure 4a is a diagram showing an earbud receiving groove provided with a cone-shaped sound reflection deformation part.
- Figure 4b is a diagram showing an earbud receiving groove provided with a cylindrical sound reflection deformation part.
- Figure 4c is a diagram showing an earbud receiving groove provided with a truncated cone-shaped sound reflection deformation part.
- Figure 4d is a diagram showing an earbud receiving groove provided with a polygonal pillar-shaped sound reflection deformation part.
- Figure 4e is a diagram showing an earbud receiving groove provided with a polygonal pyramid-shaped sound reflection deformation part.
- Figure 4f is a diagram showing an earbud receiving groove provided with a sound reflection deformation portion in the shape of a polygonal pyramid.
- Figure 5a is a diagram showing an earbud receiving groove provided with a concave curved sound reflection deformation part.
- Figure 5b is a diagram showing an earbud receiving groove provided with a sound reflection deformation portion having a circular cross-sectional groove shape.
- Figure 5c is a diagram showing an earbud receiving groove provided with a sound reflection deformation portion having a polygonal cross-sectional groove shape.
- Figure 5D is a diagram showing an earbud receiving groove provided with a sound reflection deformation portion in the shape of a cone groove.
- Figure 5e is a diagram showing an earbud receiving groove provided with a sound reflection deformation portion in the shape of a truncated cone groove.
- Figure 5f is a diagram showing an earbud receiving groove provided with a sound reflection deformation portion in the shape of a polygonal pyramid.
- Figure 5g is a diagram showing an earbud receiving groove provided with a sound reflection deformation portion in the shape of a polygonal pyramid groove.
- Figure 6 is a graph showing the frequency characteristic curve of an electrical signal output from a microphone according to the shape of the sound reflection deformation part.
- FIG. 7A is a diagram illustrating a large eartip attached to an earbud according to one or more embodiments of the present disclosure.
- FIG. 7B is a diagram illustrating a medium-sized eartip attached to an earbud according to one or more embodiments of the present disclosure.
- FIG. 7C is a diagram illustrating a small eartip attached to an earbud according to one or more embodiments of the present disclosure.
- FIG. 8 is a diagram illustrating an example of an audio system using earbuds according to one or more embodiments of the present disclosure.
- FIG. 9 is a functional block diagram of an earbud according to one or more embodiments of the present disclosure.
- Figure 10 is a graph showing signals output from a microphone depending on the size of the eartip of an earbud mounted on an earbud cradle without a sound reflection deformation part.
- Figure 11 is a graph showing signals output from a microphone depending on the size of the eartip of an earbud mounted on an earbud cradle according to one or more embodiments of the present disclosure having a sound reflection deformation unit.
- Figure 12 is a flowchart showing a method of recognizing the size of an ear tip of an earbud according to one or more embodiments of the present disclosure.
- Figure 13 is a flow chart showing a recognition method for fixing an earbud according to one or more embodiments of the present disclosure.
- Figure 14 is a graph showing the electrical signal output from the microphone when the earbud is fixed to the ear's external auditory canal and when the gap between the earbud and the ear's external auditory canal is larger than when the earbud is fixed to the ear's external auditory canal.
- Figure 15 is a flowchart showing a recognition method for fixing an earbud according to one or more embodiments of the present disclosure.
- expressions such as “have,” “may have,” “includes,” or “may include” refer to the presence of the corresponding feature (e.g., component such as numerical value, function, operation, or part). , and does not rule out the existence of additional features.
- expressions such as “A or B,” “at least one of A or/and B,” or “one or more of A or/and B” may include all possible combinations of the items listed together.
- “A or B,” “at least one of A and B,” or “at least one of A or B” (1) includes at least one A, (2) includes at least one B, or (3) it may refer to all cases including both at least one A and at least one B.
- FIG. 1 is a cross-sectional view showing an earbud cradle 1 according to one or more embodiments of the present disclosure.
- FIG. 2 is a cross-sectional view showing the earbud cradle 1 of FIG. 1 without a pair of earbuds 50.
- Figure 3 is a diagram showing the earbud 50 of the earbud cradle 1 according to one or more embodiments of the present disclosure.
- an earbud cradle 1 may include a body 10, a lid 40, and a pair of earbuds 50.
- the body 10 forms the exterior of the earbud cradle 1 and is formed to accommodate a pair of earbuds 50.
- a pair of earbud receiving grooves 20 may be provided on the upper surface of the body 10. Since the pair of earbud receiving grooves 20 are formed identically, only one earbud receiving groove 20 will be described below.
- the earbud receiving groove 20 may be formed on the upper surface of the body 10.
- the earbud receiving groove 20 may be formed in a shape corresponding to the shape of the earbud 50 to accommodate the earbud 50.
- a sound reflection deformation portion 30 may be provided on the bottom 20a of the earbud receiving groove 20.
- the sound reflection deformation unit 30 is formed to reflect sound emitted from the speaker 56 (see FIG. 9) of the earbud 50.
- the sound reflection deformation unit 30 is not formed as a plane.
- the sound reflection deformation unit 30 may be formed as a protrusion protruding from the bottom 20a.
- the sound reflection deformation unit 30 may be formed as a concave groove in the bottom 20a.
- the sound reflection deformation part 30 may be formed as concave and convex irregularities on the bottom 20a.
- the earbud receiving groove 20 may include a seating portion 21 in which the earbud 50 is placed and a cavity 22 in which the eartip 60 attached to the earbud 50 is accommodated.
- the seating portion 21 may be formed in a shape corresponding to the shape of the bottom of the earbud 50 to support the earbud 50.
- the seating portion 21 may be provided with a power terminal 13 capable of supplying power to the earbud 50.
- the power terminal 13 of the seating unit 21 may be provided to correspond to the power terminal 55 provided on the earbud 50.
- the cavity 22 is connected to the seating portion 21 and may be formed deeper than the seating portion 21.
- the inner surface of the cavity 22 may be formed as a curved surface.
- the bottom surface of the cavity 22 may form the bottom 20a of the earbud receiving groove 20.
- a sound reflection deformation portion 30 may be provided on the bottom surface of the cavity 22, that is, the bottom 20a of the earbud receiving groove 20.
- the sound reflection deformation part 30 may be provided to face the eartip 60.
- the sound reflection deformation unit 30 may be formed to reflect sound emitted from the earbud 50 accommodated in the earbud receiving groove 20.
- the sound reflection deformation unit 30 may be formed so that the difference in the characteristics of the reflected sound increases depending on the size of the ear tip 60 attached to the earbud 50.
- the sound emitted from the earbud 50 combined with the large eartip 60 has the characteristics of the reflected sound reflected by the sound reflection deformation unit 30 and the earbud 50 combined with the small eartip 60.
- the sound reflection deformation unit 30 may be formed so that the difference in characteristics of the sound emitted from the sound reflected by the sound reflection deformation unit 30 is large.
- the sound emitted from the earbud 50 to which the large eartip 60 is combined has the characteristics of the reflected sound reflected by the sound reflection deformation part 30 and the small eartip 60.
- the difference in the characteristics of the sound emitted from the combined earbud 50 reflected by the sound reflection deformation unit 30 is when the bottom 20a of the earbud receiving groove 20 is flat, that is, sound reflection.
- the sound emitted from the earbud 50 combined with the large eartip 60 has the characteristics of the reflected sound reflected by the bottom 20a and the earbud combined with the small eartip 60 ( The sound emitted from 50) may be greater than the difference in characteristics of the reflected sound reflected by the floor 20a.
- the sound emitted from the earbud 50 combined with the large eartip 60 has the characteristics of the reflected sound reflected by the sound reflection deformation unit 30 and the sound emitted from the earbud 50 combined with the medium-sized eartip 60.
- the sound reflection deformation unit 30 may be formed so that the difference in characteristics of the reflected sound reflected by the sound reflection deformation unit 30 is large.
- the sound emitted from the earbud 50 to which the large ear tip 60 is combined is combined with the characteristics of the reflected sound reflected by the sound reflection deformation part 30 and the medium-sized ear tip 60.
- the difference in the characteristics of the sound emitted from the combined earbud 50 reflected by the sound reflection deformation unit 30 is when the bottom 20a of the earbud receiving groove 20 is flat, that is, When there is no sound reflection deformation unit 30, the sound emitted from the earbud 50 to which the large ear tip 60 is combined has the characteristics of the reflected sound reflected by the bottom 20a and the ear to which the medium-sized ear tip 60 is combined.
- the sound emitted from the bird 50 may be greater than the difference in characteristics of the reflected sound reflected by the floor 20a.
- the sound emitted from the earbud 50 combined with the medium-sized eartip 60 has the characteristics of the reflected sound reflected by the sound reflection deformation unit 30 and the sound emitted from the earbud 50 combined with the small eartip 60.
- the sound reflection deformation unit 30 may be formed so that the difference in characteristics of the reflected sound reflected by the sound reflection deformation unit 30 is large.
- the sound emitted from the earbud 50 to which the medium-sized eartip 60 is combined is combined with the characteristics of the reflected sound reflected by the sound reflection deformation part 30 and the small eartip 60.
- the difference in the characteristics of the sound emitted from the combined earbud 50 reflected by the sound reflection deformation unit 30 is when the bottom 20a of the earbud receiving groove 20 is flat, that is, When there is no sound reflection deformation unit 30, the sound emitted from the earbud 50 to which the medium-sized eartip 60 is combined has the characteristics of the reflected sound reflected by the bottom 20a and the ear to which the small eartip 60 is combined.
- the sound emitted from the bird 50 may be greater than the difference in characteristics of the reflected sound reflected by the floor 20a.
- the sound reflection deformation part 30 may be formed as a protrusion protruding from the bottom 20a of the earbud receiving groove 20.
- the protrusion 30 is formed in a dome shape.
- the shape of the protrusion 30 is not limited to this.
- the protrusion 30 may be formed in the shape of any one of a cylinder, cone, truncated cone, polygonal column, polygonal pyramid, and polygonal pyramid.
- FIG. 4A is a diagram showing an earbud receiving groove 20 provided with a cone-shaped sound reflection deformation portion 30.
- FIG. 4B is a diagram showing an earbud receiving groove 20 provided with a cylindrical sound reflection deformation portion 30.
- FIG. 4C is a diagram showing an earbud receiving groove 20 provided with a truncated cone-shaped sound reflection deformation portion 30.
- FIG. 4D is a diagram showing the earbud receiving groove 20 provided with the sound reflection deformation portion 30 in the shape of a polygonal column.
- Figure 4d shows a triangular pillar as an example of a polygonal pillar.
- FIG. 4E is a diagram showing the earbud receiving groove 20 provided with the sound reflection deformation portion 30 in the shape of a polygonal pyramid.
- Figure 4e shows a triangular pyramid as an example of a polygonal pyramid.
- Figure 4f is a diagram showing the earbud receiving groove 20 provided with the sound reflection deformation part 30 in the shape of a polygonal pyramid.
- Figure 4f shows a triangular pyramid as an example of a polygonal pyramid.
- the tip of the protrusion may be formed to be inserted into the coupling portion 61 of the eartip 60 of the earbud 50.
- the sound reflection deformation part 30 may be formed as a groove formed in the bottom 20a of the earbud receiving groove 20.
- the groove may be formed in any one of the following shapes: a concave curved surface, a circular cross-section groove, a polygonal cross-section groove, a conical groove, a truncated cone groove, a polygonal pyramid groove, and a polygonal pyramid groove.
- FIG. 5A is a diagram showing an earbud receiving groove 20 provided with a concave curved sound reflection deformation portion 30.
- FIG. 5B is a diagram showing an earbud receiving groove 20 provided with a sound reflecting deformation portion 30 having a circular cross-sectional groove shape.
- FIG. 5C is a diagram showing an earbud receiving groove 20 provided with a sound reflection deformation portion 30 having a polygonal cross-sectional groove shape.
- Figure 5c shows a triangular cross-section groove as an example of a polygonal cross-section groove.
- FIG. 5D is a diagram showing an earbud receiving groove 20 provided with a cone groove-shaped sound reflection deformation portion 30.
- Figure 5e is a diagram showing the earbud receiving groove 20 provided with the sound reflection deformation portion 30 in the shape of a truncated cone groove.
- Figure 5f is a diagram showing the earbud receiving groove 20 provided with the sound reflection deformation portion 30 in the shape of a polygonal pyramid.
- Figure 5f shows a triangular pyramid groove as an example of a polygonal pyramid groove.
- Figure 5g is a diagram showing the earbud receiving groove 20 provided with the sound reflection deformation portion 30 in the shape of a polygonal pyramid groove.
- Figure 5g shows a triangular pyramid groove as an example of a polygonal pyramid groove.
- the sound reflection deformation part 30 may be formed in various patterns having a concavo-convex shape formed on the bottom 20a of the earbud receiving groove 20.
- the sound reflection deformation unit 30 is not limited to the various shapes shown as non-limiting examples above.
- the frequency characteristic curve of the reflected sound may change depending on the shape of the sound reflection deformation unit 30.
- the sound output from the earbud 50 may be reflected by the sound reflection deformation unit 30 and input into the microphone 57 (see FIG. 9).
- the microphone 57 can output the received sound as an electric signal.
- the frequency characteristic curve of the electrical signal output from the microphone 57 may change depending on the shape of the sound reflection deformation unit 30.
- FIG. 6 is a graph showing the frequency characteristic curve of the electrical signal output from the microphone 57 according to the shape of the sound reflection deformation portion 30.
- Curve A1 in FIG. 6 represents a case where the sound reflection deformation unit 30 is formed as a cone-shaped protrusion as shown in FIG. 4A. At this time, the height of the cone-shaped protrusion is about 1 mm.
- Curve A2 represents a case where the sound reflection deformation portion 30 is formed as a cylindrical protrusion as shown in FIG. 4B. At this time, the height of the cylindrical protrusion is about 1 mm.
- Curve A3 represents a case where the sound reflection deformation portion 30 is formed as a cylindrical groove as shown in FIG. 5B. At this time, the depth of the cylindrical groove is about 1 mm.
- a power supply unit 11 may be provided in the body 10.
- the power supply unit 11 may be electrically connected to the power terminal 13 of the holding unit 21.
- the power supply unit 11 may be formed of a rechargeable battery.
- the lid 40 may be installed on the body 10 to cover the pair of earbuds 50.
- the lid 40 may be formed to cover the pair of earbuds 50 accommodated in the pair of earbud receiving grooves 20 of the body 10.
- the lid 40 may be detachably installed on the body 10.
- the lid 40 may be installed on the body 10 with a hinge to open and cover the pair of earbud receiving grooves 20.
- a pair of lid grooves 41 may be provided on the lower surface of the lid 40 facing the upper surface of the body 10.
- a pair of lid grooves 41 may be formed to correspond to a pair of earbud receiving grooves 20 provided in the body 10. Accordingly, the earbud receiving groove 20 of the body 10 and the lid groove 41 of the lid 40 may form a receiving space (S) in which the earbud 50 is accommodated.
- the receiving space S may be blocked from external sounds by the body 10 and the lid 40. In other words, external sounds cannot penetrate into the receiving space (S).
- a pair of earbuds 50 can be accommodated in a pair of earbud receiving grooves 20 of the body 10. Since the pair of earbuds 50 are identical or similarly formed, only one earbud 50 will be described below for convenience.
- the earbud 50 may include a speaker 56 (see FIG. 9) that generates sound and a microphone 57 (see FIG. 9) that receives sound and converts it into voice current.
- Earbud 50 may include a distal end 51 .
- the distal end 51 may include a passage 53 through which sound emitted from the speaker 56 of the earbud 50 passes.
- the speaker 56 is installed inside the earbud 50 and may communicate with the passage 53 of the distal end 51. Accordingly, the sound emitted from the speaker 56 may be emitted to the outside of the earbud 50 along the passage 53 of the distal end 51.
- the microphone 57 may be installed in the earbud 50 to receive external sounds.
- the earbud 50 may include an eartip 60.
- the eartip 60 may be detachably coupled to the distal end 51.
- the eartip 60 may be formed in a shape that corresponds to the human external auditory canal or other parts of the ear.
- the eartip 60 may include a coupling portion 61 and a cap portion 62.
- the coupling portion 61 is formed to be coupled to the distal end 51 of the earbud 50.
- the coupling portion 61 may be formed in the shape of a hollow pipe to allow sound to pass through. Accordingly, the coupling portion 61 may include a passage 63 through which sound passes.
- the coupling portion 61 may be formed in a shape corresponding to the distal end 51 of the earbud 50. Accordingly, the eartip 60 can be coupled to or separated from the distal end 51 of the earbud 50.
- the cap portion 62 may be formed to extend outward from one end of the coupling portion 61.
- the cap portion 62 may be formed in a substantially hemispherical shape. Cap portion 62 may provide a flexible surface to contact the user's ear canal.
- the ear tips 60 may be formed of an elastic material such as silicone rubber.
- the ear tip 60 may be formed in various sizes.
- the eartip 60 may include a large eartip, a medium eartip, and a small eartip.
- FIG. 7A is a diagram illustrating a large eartip 60 attached to an earbud 50 according to one or more embodiments of the present disclosure.
- FIG. 7B is a diagram illustrating a medium-sized eartip 60 attached to an earbud 50 according to one or more embodiments of the present disclosure.
- FIG. 7C is a diagram illustrating a small eartip 60 attached to an earbud 50 according to one or more embodiments of the present disclosure.
- the large eartip 60 may have a cap portion 62 with a large diameter.
- the coupling portion 61 may be formed in a size corresponding to the distal end 51 of the earbud 50.
- the diameter of the cap portion 62 of the medium-sized eartip 60 may be formed to be smaller than the diameter of the cap portion 62 of the large eartip 60.
- the coupling portion 61 of the medium-sized eartip 60 may be formed in the same manner as the coupling portion 61 of the large eartip 60.
- the diameter of the cap portion 62 of the small eartip 60 may be formed to be smaller than the diameter of the cap portion 62 of the medium-sized eartip 60.
- the coupling portion 61 of the small eartip 60 may be formed in the same manner as the coupling portion 61 of the large eartip 60.
- the user can select and use the eartip 60 that fits his or her ear among the various sizes of eartip 60.
- the user can attach the selected eartip 60 to the distal end 51 of the earbud 50.
- the user can separate and remove the eartip 60 attached to the earbud 50 and attach a new eartip 60 to the earbud 50.
- the earbud 50 uses the reflected sound reflected from the sound reflection deformation unit 30 provided in the earbud cradle 1 and flowing into the microphone 57 to generate sound of the earbud 50.
- the size of the ear tip 60 attached to the distal end 51 can be determined.
- a pair of earbuds 50 may form an audio system together with an electronic device 100 that reproduces sound.
- FIG. 8 is a diagram illustrating an example of an audio system using earbuds 50 according to one or more embodiments of the present disclosure.
- the earbud 50 may be made of a hard material such as plastic or metal.
- the earbud 50 may include at least one speaker 56 (see FIG. 9) that reproduces sound, an electronic circuit that operates the speaker 56, a user interface, etc.
- the earbud 50 may operate as an accessory to the electronic device 100.
- Electronic device 100 may include, for example, a smartphone, tablet computer, laptop computer, desktop computer, wearable device such as a smart watch, game console, portable gaming device, or other electronic device that provides audio output. .
- the earbud 50 may be connected to the electronic device 100 through a wireless communication channel configured to transmit audio data.
- the earbud 50 can reproduce sound according to audio data received from the electronic device 100.
- a wireless communication channel may be formed so that the earbud 50 and the electronic device 100 can exchange information with each other.
- the earbud 50 may transmit size information of the recognized ear tip 60 to the electronic device 100.
- the electronic device 100 may adjust its own operation based on size information of the ear tip 60 received from the earbud 50.
- the electronic device 100 can adjust the setting value of the equalizer using the size information of the ear tip 60 received from the earbud 50.
- Figure 9 is a block diagram showing the configuration of the earbud 50 according to one or more embodiments of the present disclosure.
- earbud 50 may include a speaker 56, a microphone 57, and a processor 90 (eg, including processing circuitry).
- processor 90 eg, including processing circuitry
- the speaker 56 may be a general audio speaker accommodated inside the earbud 50.
- the speaker 56 may include a transducer and an amplifier that converts electrical signals into sound.
- the microphone 57 is installed inside the earbud 50 and is configured to receive sound from outside the earbud 50, convert the received sound into an electrical signal, and output it.
- the processor 90 is accommodated inside the earbud 50 and may include various processing circuits configured to control the speaker 56 and microphone 57.
- the processor 90 may be implemented with, for example, one or more microprocessors, microcontrollers, field programmable gate arrays (FPGAs), general logic circuits, etc.
- Processor 90 may include a plurality of logical modules (e.g., various processing circuits and/or executable program instructions) implemented using a suitable combination of hardware and/or software components.
- logical modules e.g., various processing circuits and/or executable program instructions
- the processor 90 may include a sound processing unit 91.
- the sound processing unit 91 may be configured to receive audio data from the electronic device 100, process it, and drive the speaker 56.
- the sound processing unit 91 may receive audio data from the electronic device 100 connected to the earbud 50.
- the sound processing unit 91 may generate an audio signal by performing signal processing on the received audio data.
- the sound processing unit 91 may perform decoding, digital-to-analog conversion, and volume control.
- the sound processing unit 91 may drive the speaker 56 according to the generated audio signal.
- the processor 90 may include an eartip size determination unit 92.
- the eartip size determination unit 92 can determine the size of the eartip 60 attached to the earbud 50 using the sound input through the microphone 57.
- the eartip size determination unit 92 controls the sound processing unit 91 to output a sound for determining the eartip size to the speaker 56.
- the sound for determining the eartip size may be white noise, pink noise, or a specific sound source at an audible frequency (16Hz to 20kHz).
- the eartip size determination unit 92 may store a sound for determining the eartip size. Alternatively, the eartip size determination unit 92 may output a sound for determining the eartip size stored in the memory 96.
- the eartip size determination unit 92 may receive sound using the microphone 57 and analyze the received sound to determine the size of the eartip 60 attached to the earbud 50.
- the microphone 57 can output an electrical signal corresponding to the received sound.
- the eartip size determination unit 92 may determine the size of the eartip 60 attached to the earbud 50 by comparing the signal output from the microphone 57 with the reference eartip sound data stored in the memory 96.
- the eartip size determination unit 92 may receive sound using the microphone 57 and analyze the received sound to determine the size of the eartip 60 attached to the earbud 50.
- the microphone 57 can convert the received sound into an electrical signal and output the electrical signal to the processor 90.
- the eartip size determination unit 92 may determine the size of the eartip 60 attached to the earbud 50 by comparing the electrical signal output from the microphone 57 with the reference eartip sound data stored in the memory 96. .
- the eartip size determination unit 92 may include an eartip size determination algorithm capable of determining the size of the eartip 60.
- the eartip size determination algorithm may be formed to compare the size of the electrical signal output from the microphone 57 with the electrical signal of the reference eartip sound data.
- the eartip size determination unit 92 may store the recognized size of the eartip 60 in the memory 96.
- the reference eartip sound data may include a plurality of signal data corresponding to the size of the eartip 60.
- the earbud 50 with the large eartip 60 attached is mounted on the earbud cradle 1 and a sound for determining the eartip size is output through the speaker 56, the sound is transmitted through the earbud cradle 1. It may be reflected by the inner surface and the sound reflection deformation unit 30 and input into the microphone 57. The microphone 57 may output an electrical signal corresponding to the input reflected sound. At this time, the electrical signal output from the microphone 57 becomes reference signal data corresponding to the large ear tip 60. In the same way, reference signal data corresponding to the medium-sized eartip 60 and the small eartip 60 can be created.
- the difference in characteristics of the electrical signal output from the microphone 57 is large depending on the size of the eartip 60 attached to the earbud 50. Since the earbuds cradle 1 according to one or more embodiments of the present disclosure includes a sound reflection deformation part 30, there is a significant difference in the characteristics of the electrical signal output from the microphone 57 depending on the size of the ear tip 60. do.
- FIG. 10 is a graph showing the electrical signal output from the microphone 57 according to the size of the eartip 60 of the earbud 50 mounted on the earbud cradle without the sound reflection deformation portion 30.
- the bottom 20a of the earbud receiving groove 20 of the earbud cradle is flat, and there is no sound reflection deformation portion 30.
- the gap between the ear tip 60 and the bottom 20a of the earbud receiving groove 20 is about 0.5 mm.
- C1 is a curve representing an electrical signal (hereinafter referred to as a large eartip signal) output from the microphone 57 when the large eartip 60 is attached to the earbud 50.
- C2 is a curve representing an electrical signal output from the microphone 57 (hereinafter referred to as a medium-sized eartip signal) when the medium-sized eartip 60 is attached to the earbud 50.
- C3 is a curve representing an electrical signal (hereinafter referred to as a small eartip signal) output from the microphone 57 when the small eartip 60 is attached to the earbud 50.
- the amplitude of the large eartip signal (about -79.5dB) at the frequency (about 5 kHz) corresponding to the lowest point of the small eartip signal curve output from the microphone 57. ) and the amplitude of the small eartip signal (approximately -87.5dB) (G1) is approximately 8dB.
- the difference (G2) between the amplitude of the medium-sized eartip signal (about -83.5dB) and the amplitude of the small eartip signal (about -87.5dB) is about 4dB.
- Figure 11 shows the microphone 57 according to the size of the eartip 60 of the earbud 50 mounted on the earbud cradle 1 according to one or more embodiments of the present disclosure equipped with the sound reflection deformation unit 30.
- This is a graph showing the electrical signal being output.
- Figure 11 shows a signal when the sound reflection deformation unit 30 is formed as a dome-shaped protrusion as shown in Figures 1 and 2.
- C1 is a curve representing an electrical signal (hereinafter referred to as a large eartip signal) output from the microphone 57 when the large eartip 60 is attached to the earbud 50.
- C2 is a curve representing an electrical signal output from the microphone 57 (hereinafter referred to as a medium-sized eartip signal) when the medium-sized eartip 60 is attached to the earbud 50.
- C3 is a curve representing an electrical signal (hereinafter referred to as a small eartip signal) output from the microphone 57 when the small eartip 60 is attached to the earbud 50.
- the amplitude of the large eartip signal (about -76dB) is at the frequency (about 4.8kHz) corresponding to the lowest point of the small eartip signal curve output from the microphone 57. ) and the amplitude of the small eartip signal (approximately -88dB) (G3) is approximately 12dB. Additionally, the difference (G4) between the amplitude of the medium-sized eartip signal (about -83dB) and the amplitude of the small eartip signal (about -88dB) is about 5dB.
- the earbud 50 can easily recognize the size of the eartip 60 mounted on the earbud 50.
- a method of recognizing the size of the ear tip 60 is described by comparing the amplitude of the electrical signal output from the microphone 57.
- the method of recognizing the size of the ear tip 60 is The characteristics of electrical signals are not limited to this.
- the earbuds 50 can recognize the size of the eartip 60 using the slope, deviation, and inflection point of the curve of the electrical signal output from the microphone 57.
- This standard ear tip sound data can be created and provided by the manufacturer of the earbud cradle (1).
- reference eartip sound data may be stored in the memory 96 and provided.
- the processor 90 may include a fixing determination unit 93.
- the fixation determination unit 93 can use the sound input through the microphone 57 to determine whether the earbud 50 is properly worn on the user's ear.
- the fixation determination unit 93 uses the sound input through the microphone 57 to determine whether the earbud 50 is worn properly. Can be formed to judge.
- the fixation determination unit 93 can receive sound using the microphone 57 and analyze the electrical signal output from the microphone 57 to determine whether the earbud 50 has been fixed.
- the microphone 57 can convert the received sound into an electrical signal and output it.
- the fixation determination unit 93 may be formed to determine whether or not the earbud 50 is to be used by comparing the electric signal output from the microphone 57 with the fixation sound data. Fixing sound data may be stored in memory 96.
- the fixation determination unit 93 may include a fixation determination algorithm that can determine whether the earbud 50 is for fixation.
- the fixation determination algorithm may be formed to compare the size of the electric signal of the fixation sound data and the electric signal output from the microphone 57.
- Sound data for fixation can be created using an earbud 50 equipped with an ear tip 60 having a standard size.
- the electrical signal output from the microphone 57 can be used as sound data for fixation.
- This fixation sound data can be created and provided by the manufacturer of the earbuds cradle (1).
- sound data for fixation may be stored and provided in the memory 96.
- the processor 90 may include an equalizer 95 and an equalizer setting unit 94.
- the equalizer 95 may be formed to change the frequency characteristics of the sound output from the speaker 56 of the earbud 50.
- the equalizer setting unit 94 may be formed to set the setting value of the equalizer 95.
- the equalizer setting unit 94 may be configured to change the setting value of the equalizer 95 using the size information of the ear tip 60 recognized by the ear tip size determination unit 92.
- the equalizer setting unit 94 may be configured to change the setting value of the equalizer 95 using the fixing use information recognized by the fixing use determination unit 93.
- Processor 90 may include memory 96.
- the memory 96 may be configured to store various data, programs, applications, etc.
- the memory 96 may store at least one equalizer setting, volume limit, noise cancellation setting, etc.
- the memory 96 may store the ear tip size information recognized by the ear tip size determination unit 92.
- Processor 90 may include a communication interface 97.
- the communication interface 97 may be formed to wirelessly connect the earbud 50 and the electronic device 100.
- the communication interface 97 may form a wireless communication channel to enable two-way communication between the earbud 50 and the electronic device 100.
- the communication interface 97 may be implemented using Bluetooth, Wi-Fi, 4G, 5G, etc.
- Processor 90 may include user interface 98.
- the user interface 98 may be configured to allow a user to control the earbuds 50 .
- User interface 98 may include a user input module containing various input circuits and/or executable program instructions.
- a user input module may support user interaction.
- a user input module may be configured to receive and interpret voice commands from a user.
- the user input module may be configured to detect user control actions.
- the user input module may provide commands to other modules of the processor 90, such as volume control, adjustment of equalizer settings, etc.
- the user input module may be configured to transmit commands or data to the electronic device 100 through the communication interface 97.
- User interface 98 may include a user output module.
- the user output module may be configured to provide information to the user through sound or vision.
- FIG. 12 is a flow chart illustrating a method for determining the size of an eartip of the earbud 50 according to one or more embodiments of the present disclosure.
- the earbud 50 can be placed on the earbud cradle 1 (S710). That is, the user can open the lid 40 of the earbud cradle 1 and place the pair of earbuds 50 in the pair of earbud receiving grooves 20 formed in the body 10.
- the speaker 56 of the earbud 50 may emit sound (S720). That is, when the earbud 50 is mounted on the earbud cradle 1, the processor 90 of the earbud 50 controls the sound processing unit 91 to output sound through the speaker 56.
- the eartip size determination unit 92 of the processor 90 may control the sound processing unit 91 to output a sound for determining the eartip size to the speaker 56.
- the sound for determining eartip size can be white noise, pink noise, or a specific sound source at audible frequencies (16 Hz to 20 kHz).
- the sound emitted from the speaker 56 may be reflected by the inner surface of the cavity 22 of the earbud receiving groove 20 and the sound reflection deformation portion 30 (S730). At this time, most of the sound emitted from the speaker 56 may be reflected by the sound reflection deformation part 30 installed to face the coupling part 61 of the ear tip 60. Additionally, some sound may be reflected by the inner surface of the cavity 22 of the earbud receiving groove 20 around the sound reflection deformable portion 30.
- the reflected sound that is, the reflected sound
- the sound reflected by the sound reflection deformation unit 30 may be input to the microphone 57 of the earbud 50.
- the microphone 57 can convert the sound into an electrical signal and output it.
- the processor 90 may recognize the size of the ear tip 60 by comparing the reflected sound with reference ear tip sound data (S750). For example, the eartip size determination unit 92 of the processor 90 compares the electrical signal output from the microphone 57 with the reference eartip sound data stored in the memory 96 and determines the eartip attached to the earbud 50 ( 60) can be judged on its size.
- the eartip size determination unit 92 can recognize the size of the eartip 60 using a built-in eartip size determination algorithm.
- the eartip size determination algorithm can recognize the size of the eartip 60 by comparing the size of the electrical signal output from the microphone 57 with the electrical signals of the reference eartip sound data.
- the eartip size determination algorithm can find cases where the size of the electrical signals are similar by comparing the electrical signals of the reference eartip sound data and the electrical signal output from the microphone 57 at a specific frequency. Then, the reference eartip having a similar size of electrical signal can be recognized as the eartip currently worn by the user. That is, if the size of the electrical signal output from the microphone 57 is similar to the size of the electrical signal of the medium-sized eartip in the reference eartip sound data, the eartip size determination unit 92 may recognize the eartip worn by the user as a medium-sized eartip. there is.
- the processor 90 may store the recognized size of the eartip 60 in the memory 96 (S760). That is, the eartip size determination unit 92 may store the recognized size of the eartip 60 in the memory 96.
- the eartip size determination unit 92 may recognize the earbud 50 as defective if the reflected sound is outside the range of the standard eartip sound data (S770). For example, if the characteristics of the electrical signal output from the microphone 57 are significantly different from the electrical signal of the reference eartip sound data, the eartip size determination unit 92 may recognize the earbud 50 as defective. For example, a defect in the earbud 50 may result in a defect in the speaker 56 or microphone 57 of the earbud 50, or if a foreign substance is inserted into the earbud 50, the body of the earbud cradle 1. (10) may include cases where foreign substances are inserted.
- fixation of the earbud 50 refers to a state in which the earbud 50 is normally worn in the user's ear (eg, external auditory canal) and the earbud 50 can demonstrate its original designed performance.
- Figure 13 is a flowchart showing a method for determining earbud fixation according to one or more embodiments of the present disclosure.
- the earbud 50 may be worn on the user's ear (S810). That is, the user can wear the earbuds 50 on his or her ears.
- the user can operate the electronic device 100 connected to the earbud 50 so that the electronic device 100 transmits audio data to the earbud 50. Then, the speaker 56 of the earbud 50 can emit sound (S820).
- the sound emitted from the speaker 56 of the earbud 50 may be reflected by the user's ears and input into the microphone 57 (S830).
- the processor 90 may compare the reflected sound with the fixing sound data to determine whether it is for fixing (S840). For example, the anchoring determination unit 93 of the processor 90 receives sound using the microphone 57 and analyzes the received sound to determine whether the earbud 50 is anchored to the ear or whether the eartip is of an appropriate size. It is possible to determine whether (60) is worn.
- the fixation determination unit 93 may determine whether the earbud 50 is properly worn on the ear by comparing the electrical signal of the received sound with the electrical signal of the fixation sound data. Whether the earbud 50 is properly worn on the ear may include whether an eartip 60 of an appropriate size for the user's ear is installed.
- the fixation determination unit 93 can determine whether the earbud 50 is for fixation using a built-in fixation determination algorithm.
- the fixation determination algorithm may be formed to compare the size of the electric signal of the fixation sound data and the electric signal output from the microphone 57.
- the fixing determination unit 93 may determine that the signal is not for fixing if the intensity of the low-frequency band of the electrical signal output from the microphone 57 receiving the reflected sound is below a certain value.
- the intensity in the low frequency band may vary significantly.
- the electrical signal output from the microphone 57 is shown in FIG. 14.
- Figure 14 is a graph showing the electrical signal output from the microphone 57 when the earbud is fixed to the ear's external auditory canal and when the gap between the earbud and the ear's external auditory canal is larger than when the earbud is fixed to the ear's external auditory canal. .
- B1 is a curve showing the change in intensity according to frequency when the earbud is fixed in the ear canal.
- B2 is a curve showing the change in intensity according to frequency when the gap between the earbud and the ear canal is 10 mm larger than when the earbud is fixed in the ear canal.
- the multiple curves between B1 and B2 are curves showing the change in intensity according to frequency when the gap between the earbud and the ear canal is less than 10 mm compared to the state where the earbud is fixed in the ear canal.
- the intensity is about 0 dB, and when the gap between the earbuds and the ear canal is 10 mm larger than when the earbuds are for anchoring (curve B2).
- the intensity is about -10dB.
- the intensity is about 10 dB, and when the gap between the earbuds and the ear canal is 10 mm larger than when the earbuds are for anchoring (curve B2), the intensity is about - It is 9dB.
- the fixation decision algorithm may use curve B1 in FIG. 14 as an electrical signal of the fixation sound data.
- the fixation determination algorithm may compare the intensity of the low-frequency band of the electrical signal input from the microphone, for example, at 500 Hz or 1000 Hz, with the intensity of the electrical signal of the fixation sound data. If the intensity of the electrical signal input from the microphone is similar to the intensity of the electrical signal of the fixing sound data, it can be determined that the earbuds have been fixed and that the eartip 60 of an appropriate size for the user's ear has been installed.
- the fixing determination unit 93 determines that the earbud 50 is not fixed or the earbud 50 is not fixed. It may be determined that the ear tip 60 is not appropriate for the size of the user's external auditory canal.
- the fixation determination unit 93 determines that the equalizer 95 maintains the current setting value. It can be maintained (S870).
- the fixation determination unit 93 selects the eartip 50 of the earbud 50. You can check the size of (60) (S850).
- the fixation determination unit 93 can adjust the equalizer 95 to fit the size of the ear tip 60 (S860).
- the fixation determination unit 93 may control the equalizer setting unit 94 to adjust the setting value of the equalizer 95 to match the size of the ear tip of the earbud 50.
- the equalizer settings can be adjusted to adjust the gain to suit the size of each frequency when the earbuds are installed.
- the equalizer setting value corresponding to the size of the ear tip 60 may be built into the fixation determination unit 93 or may be stored in the memory 96.
- the method for determining whether earbuds are anchored may recommend replacement of eartips when the earbuds are not anchored.
- this will be described with reference to FIG. 15.
- Figure 15 is a flowchart showing a method for determining earbud fixation according to one or more embodiments of the present disclosure.
- the earbud 50 may be worn on the user's ear (S910). That is, the user can wear the earbuds 50 on his or her ears.
- the speaker 56 of the earbud 50 can emit sound (S920).
- the sound emitted from the speaker 56 of the earbud 50 may be reflected by the user's ears and input into the microphone 57 of the earbud 50 (S930).
- the earbud 50 can determine whether the earbud has been used by comparing the reflected sound with the fixation sound data (S940). For example, the fixing determination unit 93 of the processor 90 of the earbud 50 receives sound using the microphone 57, analyzes the received sound, and determines whether the earbud 50 is fixed to the ear. You can judge whether it has been done or not. The fixation determination unit 93 compares the electric signal output from the microphone 57 that received the reflected sound with the electric signal of the fixation sound data to determine whether the earbud 50 is properly worn on the ear. .
- the fixation determination unit 93 can determine whether the earbud 50 is for fixation using a built-in fixation determination algorithm.
- fixation determination unit 93 determines whether the earbud 50 is for fixation is the same as the above-described embodiment, detailed description will be omitted.
- the fixation determination unit 93 can cause the equalizer to maintain the current setting value (S990).
- the fixation determination unit 93 can check the size of the eartip of the earbud 50 (S950).
- the fixation determination unit 93 can adjust the equalizer to fit the size of the ear tip (S960).
- the fixation determination unit 93 may control the equalizer setting unit to adjust the setting value of the equalizer to fit the size of the ear tip of the earbud 50.
- the earbud 50 can compare the reflected sound with correction sound data for fixation to determine whether it is for fixation (S970).
- the fixing determination unit 93 of the processor 90 of the earbud 50 receives sound using the microphone 57, analyzes the received sound, and determines whether the earbud 50 is fixed to the ear. You can judge whether it has been done or not.
- the fixation determination unit 93 can determine whether the earbud 50 is properly worn on the ear by comparing the electric signal output from the microphone 57 that received the reflected sound with the electric signal of the fixation correction sound data. there is.
- the fixing determination unit 93 may determine that the signal is not for fixing if the intensity of the low-frequency band of the electrical signal output from the microphone 57 receiving the reflected sound is below a certain value.
- the fixation determination unit 93 determines whether the earbud 50 is for fixation by comparing the electric signal of the fixation correction sound data with the electric signal input from the microphone 57, which is the same or similar to the above-described embodiment. Therefore, detailed description is omitted.
- Correction sound data for fixation refers to sound data that has been corrected according to the size of the ear tip. For example, when the sound data for fixation is created based on a medium-sized eartip and the eartip attached to the earbud 50 is small, the sound data that has been corrected to correspond to the small eartip is the sound data for fixation. It can be called sound data.
- This fixation correction sound data can be created and provided by the manufacturer of the earbud cradle.
- correction sound data for fixation may be stored and provided in the memory 96.
- the fixation determination unit 93 can cause the equalizer to maintain the current setting value (S990).
- the fixation determination unit 93 may recommend replacing the eartip 60 of the earbud 50. For example, if the eartip 60 of the current earbud 50 is not a large eartip, the fixation determination unit 93 may recommend a larger eartip. Specifically, when the eartip 60 of the earbud 50 worn by the user is small, the fixation determination unit 93 may recommend replacing the small eartip with a medium-sized eartip or a large eartip.
- the fixation determination unit 93 may recommend replacement of the ear tip 60 by sound through the user interface 98 of the processor 90. Alternatively, the fixation determination unit 93 may transmit eartip replacement information to the electronic device and cause the electronic device to display the eartip replacement on the display.
- the earbuds cradle 1 As described above, the earbuds cradle 1 according to one or more embodiments of the present disclosure is provided with a sound reflection deformation portion 30 in the earbuds receiving groove 20, so that the electrical signal output from the microphone 57 is The change in characteristics according to frequency can be greatly increased. Therefore, the earbud cradle 1 according to one or more embodiments of the present disclosure determines the size of the eartip 60 attached to the distal end 51 of the earbud 50 using an electrical signal output from the microphone 57. It can be recognized.
- the earbuds cradle 1 can recognize whether the earbuds 50 are fixed using an electrical signal output from the microphone 57.
- the earbuds cradle 1 according to one or more embodiments of the present disclosure may recommend replacing the eartips 60 when the earbuds 50 are not fixed.
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Abstract
Description
Claims (15)
- 몸체;상기 몸체의 상면에 마련되며, 한 쌍의 이어버드를 수용하도록 형성된 한 쌍의 이어버드 수용홈;상기 한 쌍의 이어버드 수용홈(20) 각각의 바닥에 마련된 소리 반사 변형부(30); 및상기 한 쌍의 이어버드(50)를 덮도록 상기 몸체에 설치되는 뚜껑;을 포함하는, 이어버즈 크래들.
- 제 1 항에 있어서,상기 소리 반사 변형부(30)는 상기 이어버드 수용홈(20)의 바닥에서 돌출되는 돌기로 형성되는, 이어버즈 크래들.
- 제 2 항에 있어서,상기 돌기는 돔, 원기둥, 원뿔, 원뿔대, 다각형 기둥, 다각뿔, 다각뿔대 중 어느 하나의 형상으로 형성되는, 이어버즈 크래들.
- 제 1 항에 있어서,상기 소리 반사 변형부(30)는 상기 이어버드 수용홈(20)의 바닥에 형성된 홈으로 형성되는, 이어버즈 크래들.
- 제 4 항에 있어서,상기 홈은 오목한 곡면, 원형 단면 홈, 다각형 단면 홈, 원뿔 홈, 원뿔대 홈, 다각뿔 홈, 다각뿔대 홈 중 어느 하나의 형상으로 형성되는, 이어버즈 크래들.
- 제 1 항에 있어서,상기 한 쌍의 이어버드(50) 각각은,소리를 방출하도록 형성된 통로를 포함하는 말단부; 및상기 말단부에 분리 가능하게 결합되는 이어팁;을 포함하며,상기 이어팁은 대형 이어팁, 중형 이어팁, 및 소형 이어팁 중 어느 하나이며,상기 소리 반사 변형부(30)는 상기 이어팁을 마주하도록 마련되는, 이어버즈 크래들.
- 제 6 항에 있어서,상기 소리 반사 변형부(30)는 상기 이어버드(50)에 부착된 이어팁(60)의 크기에 따른 상기 이어버드(50)에서 방출된 소리의 반사음 차이가 상기 이어버드 수용홈(20)의 바닥이 평면일 때 보다 크도록 형성되는, 이어버즈 크래들.
- 제 6 항에 있어서,상기 이어팁은 상기 이어버드(50)의 말단부에 결합되도록 형성되며 소리가 통과하는 결합부를 포함하며,상기 소리 반사 변형부(30)는 상기 결합부로 선단부가 삽입되는 돌기로 형성되는, 이어버즈 크래들.
- 이어팁을 포함하는 이어버드를 이어버즈 크래들에 거치하는 단계;상기 이어버드의 스피커가 소리를 방출하는 단계;상기 이어버즈 크래들의 소리 반사 변형부가 상기 소리를 반사하는 단계;상기 반사된 소리가 상기 이어버드의 마이크로폰으로 입력되는 단계; 및상기 마이크로폰에서 출력되는 상기 반사된 소리에 대응하는 전기신호를 기준 이어팁 소리 데이터와 비교하여 상기 이어팁의 크기를 인식하는 단계;를 포함하는, 이어버드의 이어팁 크기 인식방법.
- 제 9 항에 있어서,상기 마이크로폰에서 출력되는 전기신호가 상기 기준 이어팁 소리 데이터의 범위를 벗어나는 경우, 상기 이어버즈의 불량으로 인식하는 단계;를 더 포함하는, 이어버드의 이어팁 크기 인식방법.
- 이어팁을 포함하는 이어버드가 사용자의 귀에 장착되는 단계;상기 이어버드의 스피커가 소리를 방출하는 단계;상기 사용자의 귀에서 반사된 소리가 상기 이어버드의 마이크로폰으로 입력되는 단계;상기 마이크로폰에서 출력되는 상기 반사된 소리에 대응하는 전기신호를 정착용 소리 데이터와 비교하여 상기 이어버드가 정착용되었는지 여부 또는 상기 이어팁의 크기가 상기 사용자의 귀에 알맞은지 여부를 확인하는 단계; 및상기 이어버드가 정착용되었거나 상기 사용자의 귀에 알맞은 크기의 이어팁이 장착되었으면, 이퀄라이저의 설정값을 유지하는 단계;를 포함하는, 이어버드 정착용 인식방법.
- 제 11 항에 있어서,상기 이어버드가 정착용되지 않았거나 상기 사용자의 귀에 알맞은 크기의 이어팁이 장착되지 않았으면, 상기 이어팁의 크기를 확인하는 단계; 및상기 이어팁의 크기에 맞도록 상기 이퀄라이저의 설정값을 조절하는 단계;를 더 포함하는, 이어버드 정착용 인식방법.
- 제 12 항에 있어서,상기 반사된 소리를 정착용 보정 소리 데이터와 비교하여 상기 이어버드가 정착용되었는지 여부를 확인하는 단계; 및상기 이어버드가 정착용되지 않았으면, 상기 이어팁의 교체를 제안하는 단계;를 더 포함하는, 이어버드 정착용 인식방법.
- 제 12 항에 있어서,상기 이어팁의 크기에 맞도록 상기 이퀄라이저의 설정값을 조절하는 단계는 저주파 대역의 강도는 증가시키고 중간 주파수 대역의 강도는 낮추는, 이어버드 정착용 인식방법.
- 제 11 항에 있어서,상기 마이크로폰에서 출력되는 상기 반사된 소리에 대응하는 전기신호를 정착용 소리 데이터와 비교하여 상기 이어버드가 정착용되었는지 여부를 확인하는 단계는 500Hz 내지 1000Hz 주파수 범위에서 상기 정착용 소리 데이터의 전기신호의 강도와 상기 마이크로폰에서 출력되는 전기신호의 강도를 비교하는, 이어버드 정착용 인식방법.
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| EP23894745.1A EP4580212A4 (en) | 2022-11-24 | 2023-09-05 | EARBUNK CRADLE AND ASSOCIATED METHOD FOR RECOGNIZING THE SIZE OF THE EARBUNK TIP |
| US18/405,226 US20240179483A1 (en) | 2022-11-24 | 2024-01-05 | Earbuds cradle and method for identifying size of ear tip of earbud using the same |
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| KR1020220159788A KR20240077332A (ko) | 2022-11-24 | 2022-11-24 | 이어버즈 크래들 및 이를 이용한 이어버드의 이어팁 크기 인식방법 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20200116323A (ko) * | 2019-04-01 | 2020-10-12 | 삼성전자주식회사 | 음향 장치의 착용 감지 방법 및 이를 지원하는 음향 장치 |
| US20200336820A1 (en) * | 2017-10-30 | 2020-10-22 | Earfredo Co., Ltd. | Sound reproduction device |
| WO2020227771A1 (en) * | 2019-05-13 | 2020-11-19 | Mendis Mahamendige Minoli Elizabeth Rehanthi | A charging and sterilising enclosure for earphones |
| US20220084541A1 (en) * | 2019-11-04 | 2022-03-17 | Cirrus Logic International Semiconductor Ltd. | Methods, apparatus and systems for biometric processes |
| KR20220034530A (ko) * | 2020-09-11 | 2022-03-18 | 삼성전자주식회사 | 소리를 출력하는 전자 장치와 이의 동작 방법 |
-
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- 2022-11-24 KR KR1020220159788A patent/KR20240077332A/ko active Pending
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20200336820A1 (en) * | 2017-10-30 | 2020-10-22 | Earfredo Co., Ltd. | Sound reproduction device |
| KR20200116323A (ko) * | 2019-04-01 | 2020-10-12 | 삼성전자주식회사 | 음향 장치의 착용 감지 방법 및 이를 지원하는 음향 장치 |
| WO2020227771A1 (en) * | 2019-05-13 | 2020-11-19 | Mendis Mahamendige Minoli Elizabeth Rehanthi | A charging and sterilising enclosure for earphones |
| US20220084541A1 (en) * | 2019-11-04 | 2022-03-17 | Cirrus Logic International Semiconductor Ltd. | Methods, apparatus and systems for biometric processes |
| KR20220034530A (ko) * | 2020-09-11 | 2022-03-18 | 삼성전자주식회사 | 소리를 출력하는 전자 장치와 이의 동작 방법 |
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