EP2220873A2 - Écouteur - Google Patents

Écouteur

Info

Publication number
EP2220873A2
EP2220873A2 EP08857295A EP08857295A EP2220873A2 EP 2220873 A2 EP2220873 A2 EP 2220873A2 EP 08857295 A EP08857295 A EP 08857295A EP 08857295 A EP08857295 A EP 08857295A EP 2220873 A2 EP2220873 A2 EP 2220873A2
Authority
EP
European Patent Office
Prior art keywords
housing
cap unit
cap
handset
opening
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP08857295A
Other languages
German (de)
English (en)
Inventor
Heinz Epping
Dirk Hackbarth
Markus Kuhr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sennheiser Electronic GmbH and Co KG
Original Assignee
Sennheiser Electronic GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sennheiser Electronic GmbH and Co KG filed Critical Sennheiser Electronic GmbH and Co KG
Publication of EP2220873A2 publication Critical patent/EP2220873A2/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2803—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means for loudspeaker transducers
    • 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
    • H04R1/1041—Mechanical or electronic switches, or control elements
    • 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
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2807—Enclosures comprising vibrating or resonating arrangements
    • H04R1/2815—Enclosures comprising vibrating or resonating arrangements of the bass reflex type
    • H04R1/2819—Enclosures comprising vibrating or resonating arrangements of the bass reflex type for loudspeaker transducers

Definitions

  • the invention relates to a handset.
  • In-ear headphones are inserted into the ear canal and therefore already provide a degree of isolation from external noise.
  • Earphones on the other hand, are placed over the auricle and either rest on it or completely surround the ear. Earphones can either be closed or (half) open. In the closed design, a larger bass pressure is achieved, which must be achieved in the (semi-) open design by the technique of sound generation. For the generation of sound electrodynamic systems are widely used, which have replaced the electromagnetic technologies. Also possible are electrostatic and piezoelectric systems.
  • the acoustic behavior of the listener is essentially determined by the combination of the design with the technique of sound generation.
  • sound generation there are far-reaching possibilities for determining the acoustic behavior through the design of the sound transducer technology during production, as well as further influencing possibilities by controlling the sound transducer.
  • the design of the listener affects the sound transmission and propagation.
  • the sound transducer is surrounded by a housing both in in-ear headphones and earphones, which is permeable to the side of the ear canal for sound and allows its propagation in the direction of the eardrum.
  • the housing seals the ear to the outside, wherein the embodiment as an in-ear listener or as earphones accomplish this task by different embodiments.
  • the housing is designed in each case such that a sound propagation in this direction avoided if possible.
  • a defined volume is thus available, which can be excited by the sound transducer and whose sound waves can spread as far as possible exclusively towards the eardrum.
  • the type and quality of the sound waves is determined by the totality of the mechanical characteristics of the listener and the sound transducer technology used.
  • All earphones described above have in common that their acoustic properties are largely determined during production.
  • the control of the sound transducer is therefore generally the only way to influence the properties of the generated acoustic sound by changes in the electrical signal. Thus, these influence options are shifted away from the listener to the signal source of the electrical signal.
  • the acoustical properties can also be changed on the sound transducer of the listener, such a possibility is to be provided in the electronics of the sound transducer, whereby a corresponding additional expenditure must be operated during development and production and the installation space of the sound transducer can also increase.
  • US 2007/0177753 A1 shows an in-ear earphone with a channel for connecting the inner volume delimited by the housing of the earphone to an outer volume.
  • a closing unit is provided for closing or opening the channel.
  • the closure can be closed or opened, for example, by means of a sliding cover.
  • the invention is therefore based on the object to provide a simpler way to influence the acoustic behavior of a listener.
  • a handset is provided with at least one housing having a first end for receiving an earplug and a second end for receiving a capping unit.
  • the cap unit is removable and / or designed to be movable relative to the housing.
  • An advantage of the receiver according to the invention is that the housing of the listener is formed at its second end so that there can be accommodated a cap unit. This cap unit is held at this end, but is removable. As a result, the acoustic properties of the listener are not finalized during production, but can be adjusted during use by the user to his individual sound ideas. This is done by changes to the housing, which is inventively designed so that can change its effect on the acoustic behavior of the listener by simple mechanical see changes.
  • the capping unit may be both detached and attached without the use of tools. This allows the user to make changes to the housing of the handset very quickly, easily and conveniently even.
  • different cap units are designed such that they have a different acoustic behavior. As a result, by removing a cap unit and attaching another cap unit, a different acoustic behavior of the listener can be achieved.
  • different cap units may include different volumes. Since the volume which is enclosed by the receiver housing influences the acoustic behavior of the listener, the enclosed volume of the cap unit can be used to specifically influence the acoustic behavior of the entire listener.
  • the cap units have at least one opening. Since this allows the sound propagating in the enclosed volume to also propagate to the outside, the type and number of openings in the cap units can also have a targeted effect on the acoustic behavior of the entire listener.
  • acoustic resistance material or different acoustic resistance materials are provided at least in or at an opening. Due to the nature of the material, the effect of the opening on the acoustic behavior of the listener can be selectively influenced.
  • the invention likewise relates to a receiver in which the housing of the receiver is designed at its second end in such a way that the cap unit has a relation to the housing.
  • the acoustic properties of the listener are also not determined during production final but can be adjusted during use by the user to his individual sound ideas. This is done solely by moving the cap unit relative to the housing, which is designed according to the invention so that the acoustic behavior of the listener can be changed by the position of the cap unit and the housing to each other.
  • the cap unit and the housing each have at least one opening which lie in the same plane.
  • the openings of the cap unit and housing can be brought into coincidence with one another by the movement of the cap unit and the housing relative to one another.
  • the handset on a different adjustable acoustic behavior, depending on whether the two openings are in cover or not.
  • an acoustic resistance material or different acoustic resistance materials is provided in or at least one opening in the cap unit and / or the housing. Due to the nature of the material, the effect of the opening on the acoustic behavior of the listener can be selectively influenced.
  • the openings in the cap unit and / or housing are designed such that the openings can be brought at least partially into coincidence by the movement of the cap unit relative to the housing.
  • the resulting opening which acts on the acoustic behavior of the listener corresponds to the overlapping openings of cap unit and housing. This allows for an increasing coverage of the corresponding openings with a corresponding effect on the acoustic behavior of the listener.
  • the cap unit movable with respect to the housing can both be removed and fastened without the use of tools. This allows the user to make changes to the housing of the handset very quickly, easily and conveniently even.
  • different cap units movable with respect to the housings may include different volumes. Because of
  • volume which is enclosed by the receiver housing, the acoustic behavior is influenced by the listener, can be specifically influenced by the enclosed volume of the cap unit, the acoustic behavior of the entire listener.
  • FIG. 1 shows a plan view of a receiver according to a first embodiment
  • FIG. 3 shows a plan view of a cap according to the first exemplary embodiment
  • Fig. 4 shows a further plan view of a handset according to a first
  • FIG. 5 shows a frequency response of the handset according to the first embodiment
  • FIG. 6 shows a further frequency response of the handset according to a first embodiment
  • Fig. 7 shows a further frequency response of the listener according to the first
  • FIG. 8 shows a top view of a receiver according to a second exemplary embodiment
  • Fig. 9 shows a further plan view of a handset according to the second
  • Fig. 10 shows a frequency response of the handset according to the second embodiment
  • Fig. 11 shows a further plan view of a handset according to the second
  • 13 shows another plan view of a receiver according to the second embodiment
  • 14 shows another plan view of a receiver according to the second embodiment
  • FIG. 15 is a schematic diagram of an in-ear earphone according to a third embodiment
  • FIG. 16 is another schematic diagram of the in-ear earphone according to the third embodiment
  • 17 is a schematic diagram of an in-ear earphone according to the third embodiment.
  • FIG. 18 is a schematic sectional view of the second end of the housing of the in-ear earphone according to the third embodiment.
  • FIG 19 shows another schematic sectional view of the housing of the in-ear earphone according to the third embodiment.
  • the earplug 1 shows an in-ear receiver or an in-ear receiver with a housing 2 which has an earplug 1 at its first end and a cap unit 3 at its second end.
  • the earplug 1 can be used to support the sound delivery into the ear canal of the user.
  • the earplug 1 is an improved comfort of the handset.
  • the earplug 1 is generally made of soft materials that provide a comfortable fit for the user and isolate the ear canal well against outside noise.
  • the housing 2 itself is a sound transducer, which operates on the electrodynamic or electrostatic principle. As a result, a membrane is set in vibration so that sound waves propagate from this membrane into the surrounding space.
  • the housing 2 of the listener Since the sound propagates in all spatial directions, it is necessary to at least partially complete the housing 2 of the listener to the outside by a capping unit 3. As a result, the housing 2, the cap unit 3 and the auditory canal of the user form a closed volume in which the sound can propagate in the direction of the user's eardrum. Both the size of the enclosed volume and the acoustic isolation of this volume to the outside have an influence on the acoustic behavior of the listener.
  • the mechanical properties of a listener in its manufacture are finally determined by the fact that the housing of the listener as a closed Unit is provided.
  • the volume enclosed within the housing is determined and thus also the acoustic influences resulting from the mechanical nature of the listener.
  • To influence the sound behavior of the listener is thus only the electro-acoustic sound conversion available.
  • This can be influenced by the control of the electrical signals.
  • the manufacture of the sound transducer and its electronics for example, be formed by switchable resistors such that there are other ways to change the sound behavior.
  • an additional effort is required in the production.
  • further components are necessary and the installation space of the sound converter can increase.
  • this also determines the possibilities for changing the acoustic behavior during production.
  • the invention provides, inter alia, a simple mechanical possibility to be able to adapt the acoustic behavior of the listener by the user to his ideas.
  • the housing 2 of the receiver according to the invention is designed such that the housing 2 is closed to the outside by a capping unit 3.
  • the nature of this cap unit makes it possible to influence the size of the enclosed volume as well as the acoustic insulation of this volume to the outside, even after production.
  • this influencing arises from the fact that the cap unit 3 can be removed from the housing 2 or partially removed and fastened to it. It is advantageous if the removal and fastening by the user without the use of tools, i. tool-free, can be made. This allows a quick and easy replacement of the cap unit 3 by the user.
  • cap units 3a, 3b and 3c may have different acoustic properties or acoustic volumes.
  • the user has a choice of cap units available, which he can fix depending on his individual ideas on the housing 2 without tools and also remove again.
  • the acoustical behavior of the listener is thus not definitively determined during production, but rather can be changed within the limits of existing interchangeable cap units.
  • the cap units 3a and 3b are to be provided to have a different size and thereby to have a different volume.
  • the isolation of the listener from the environment by the nature of the cap unit 3 can be selectively influenced. Therefore, at least one opening can be provided in the cap unit 3c (FIG. 3), which allows a discharge of the sound through the cap unit 3c to the outside in a defined manner.
  • the sound emission can be determined by the size, nature and number of openings in the cap unit 3c. Through different apertured cap units 3c different settings for the sound leakage can be achieved.
  • Another possibility for influencing the propagation of sound to the outside is to provide in or at the openings 3c acoustic resistance material.
  • This offers a variety of design options, as in the cap units 3c one or more openings may be present, of which at no, one or more openings completely or even partially an acoustic resistance material may be provided. Also, the same or different materials can be provided at several openings. This allows a wide range of cap units 3c to be provided to the user.
  • FIG. 4 shows a plan view of a receiver according to the first embodiment. In Fig. 4 it is shown how a cap is placed on one end of the listener.
  • the acoustic behavior of the listener according to the invention is influenced by the fact that the cap unit 3 is designed to be movable relative to the housing 2. This results in a further possibility for the user to change the acoustic behavior of the listener quickly and simply by the position of the cap unit 3 relative to the housing 2.
  • FIGS. 8 and 9 each show a plan view of a receiver according to the second embodiment.
  • Both the housing 2 and the cap unit 3 may each have at least one opening 2a and 3a, see Fig. 8. These openings 2a, 3a may lie in a plane so as to be e.g. by rotation of the cap unit 3 relative to the housing 2 can be brought into coincidence with each other. If at least two openings 2a and 3a coincide with each other, this results in an opening of the listener relative to the outside space, so that sound can escape through this resulting opening. This results in a targeted influencing of the acoustic behavior of the listener.
  • openings 2a and 3a it is also possible to provide acoustic resistance material in or at the openings 2a and / or 3a.
  • acoustic resistance material in or at the openings 2a and / or 3a.
  • numerous design options for the acoustic behavior of the listener are also possible in the second embodiment, since one or more openings may be present in the cap unit 3 and the housing 2, of which none, one or even more openings completely or even only partially Resistor material may be provided. Also, the same or different materials can be provided at a plurality of openings, see FIG. 8.
  • FIG. 10 shows a frequency response of the handset according to the second embodiment.
  • a curve of the listener is shown according to the second embodiment, when the bore 3a is located over the bore 2a and the holes are thus open.
  • a frequency response is shown in which the bore 3a is covered by the bore 2a with damping material.
  • a frequency response of a listener is shown in which the bore 3a is closed over the bore 2a.
  • 11 to 14 each show a further plan view of a receiver according to the second embodiment.
  • the design of the openings 2a and 3a is important in the second embodiment. Because only through the resulting opening, resulting from the coverage of the openings 2a and 3a in the cap unit 3 and housing. 2 results, sound can come to the outside, the nature of the coverage of the openings 2a and 3a a large room for maneuver in influencing the acoustic behavior. Thus, only a single opening 2a or 3a with a corresponding opening of the opposite side 2a or 3a completely bring into line, see Fig. 8 and 9. Also, a plurality of openings 2a or 3a with only a correspondingly large opening of the opposite side 2a or 3a in Cover be brought.
  • openings 2a and / or 3a are possible, which allow due to their shape, an increasing coverage of one or more openings 2a and 3a, see Fig. 11 to 14.
  • shape of the openings 2a and / or 3a may be designed in that both stepless and stepped coverage of the openings 2a and 3a can be set.
  • Another embodiment is a capping unit whose trapped volume can be adjusted against each other by the movement of capping unit and housing.
  • the cap unit is to be designed such that it can move without tools relative to the housing and can be fixed without tools.
  • the volume enclosed by the housing and cap unit can not only be changed in steps by exchanging the cap unit, but the cap unit attached to the housing can be displaced by the movement with respect to the housing.
  • the enclosed volume of housing and cap unit can be varied continuously.
  • any kinds of openings as described for the first two embodiments may also be applied to this third embodiment as well.
  • the invention relates to the idea of providing an in-ear earphone to which a plurality of acoustically tuned components are attached. These components can be attached or removed by the customer without tools on the handset. This allows the customer z. B. adjust the depth frequency response of the listener according to his ideas of sound.
  • the invention relates to the idea to provide an in-ear earphone
  • the housing cap can be rotated about the longitudinal axis.
  • the position of the cap changes z. B. the deep frequency response.
  • the customer can adjust the listener's bass response according to his ideas of sound.
  • Fig. 15 shows a schematic view of an in-ear earphone according to a third embodiment.
  • the in-ear earphone according to the third embodiment has a first end 20 for receiving an earplug and a second end 30.
  • a movable or rotatable control unit or (end) cap 40 is provided with a hole 41.
  • the operating unit or the cap 40 is designed to be rotatable.
  • FIG. 16 shows another schematic view of the in-ear listener according to the third embodiment.
  • the in-ear handset according to FIG. 16 corresponds to the in-ear handset according to FIG. 15.
  • the only difference between these two figures is that the movable or rotatable operating unit or cap 40 has been rotated counterclockwise , so that the hole 41 now points upwards.
  • a hole or opening is provided in the housing 30, and this hole or opening can be closed or opened by turning the operating element or cap 40.
  • the hole 41 in the knob 40 is made to rotate in accordance with a hole in the second end 30 of the housing by turning the knob 40, the inner volume of the housing is connected to the outer volume.
  • an opening or a hole in the housing of the in-ear listener can be opened or closed from outside by the user.
  • FIG. 17 shows a schematic representation of an in-ear earphone according to the third embodiment.
  • the second end 30 of the housing and other elements of the cap 40 are shown.
  • a first hole 33 which is designed as an acoustic tunable hole, and a second larger hole 35 for receiving one end of the cap 40 are provided.
  • the first and second holes are preferably provided in a recess 32 at the second end 30.
  • an opening 33 may further be provided, which may preferably be an elongated or elongated hole or a slot.
  • the operating element or the termination unit or end cap 40 can be positioned in the recess 32 and fastened, for example, by means of a screw 45 and a nut 40 from the interior of the second end 30 of the housing. Further, an O-ring 43 (eg made of silicone) may be provided which may be provided at one end of the cap 40.
  • Fig. 18 shows a schematic sectional view of the second end of the housing of the in-ear earphone according to the third embodiment.
  • the operating element 40 is shown in the installed state, d. H. the screw 45 and the nut 44 are connected or screwed from the inside of the second end 30 of the housing to the operating element or the cap 40.
  • FIG 19 shows another schematic sectional view of the housing of the in-ear earphone according to the third embodiment.
  • the operating element 40 is also fastened by means of the screw 45 and the nut 44 at the second end 30 of the housing.
  • the cap or the operating element 40 has a through hole 41.
  • the above-described attachment of the operating element 40 is preferably carried out such that the operating element 40 can be rotated to bring the hole 33 in the second end 30 with the (passage) hole 41 in the operating element to match or to close the hole 33 ,
  • a nose 46 can be provided, which can cooperate with the slot 34 when the cap unit 40 is placed in the recess 32. Due to the interaction between the nose and the slot, two limitations of the position of the cap unit (eg, to or on) may be provided.
  • the earphone or the in-ear earphone according to the third embodiment preferably has the opening 35 for receiving the cap 40 in its rear volume, i. H. behind the electro-acoustic playback converter.

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
  • Headphones And Earphones (AREA)

Abstract

La présente invention concerne un écouteur comprenant au moins un boîtier (2) qui présente une première extrémité conçue pour recevoir un bouchon d'oreille (1) et une seconde extrémité conçue pour recevoir une unité capuchon (3). L'unité capuchon est conçue de manière à pouvoir être retirée et/ou de manière à pouvoir être déplacée par rapport au boîtier.
EP08857295A 2007-12-03 2008-12-03 Écouteur Withdrawn EP2220873A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202007016881U DE202007016881U1 (de) 2007-12-03 2007-12-03 Hörer
PCT/EP2008/066685 WO2009071570A2 (fr) 2007-12-03 2008-12-03 Écouteur

Publications (1)

Publication Number Publication Date
EP2220873A2 true EP2220873A2 (fr) 2010-08-25

Family

ID=40530890

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08857295A Withdrawn EP2220873A2 (fr) 2007-12-03 2008-12-03 Écouteur

Country Status (5)

Country Link
US (1) US20110031060A1 (fr)
EP (1) EP2220873A2 (fr)
CN (1) CN101884223A (fr)
DE (1) DE202007016881U1 (fr)
WO (1) WO2009071570A2 (fr)

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DE202007016881U1 (de) 2009-04-09
WO2009071570A3 (fr) 2009-08-27
WO2009071570A2 (fr) 2009-06-11
CN101884223A (zh) 2010-11-10
US20110031060A1 (en) 2011-02-10

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