EP3713248A1 - Vorrichtung mit einem netzteil und lautsprechervorrichtungen - Google Patents

Vorrichtung mit einem netzteil und lautsprechervorrichtungen Download PDF

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Publication number
EP3713248A1
EP3713248A1 EP19164592.8A EP19164592A EP3713248A1 EP 3713248 A1 EP3713248 A1 EP 3713248A1 EP 19164592 A EP19164592 A EP 19164592A EP 3713248 A1 EP3713248 A1 EP 3713248A1
Authority
EP
European Patent Office
Prior art keywords
power
speaker devices
adaptor
electrical
speaker
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.)
Granted
Application number
EP19164592.8A
Other languages
English (en)
French (fr)
Other versions
EP3713248B1 (de
Inventor
Sezgin HÍLAVÍN
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.)
Vestel Elektronik Sanayi ve Ticaret AS
Original Assignee
Vestel Elektronik Sanayi ve Ticaret AS
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.)
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Publication date
Application filed by Vestel Elektronik Sanayi ve Ticaret AS filed Critical Vestel Elektronik Sanayi ve Ticaret AS
Priority to EP19164592.8A priority Critical patent/EP3713248B1/de
Publication of EP3713248A1 publication Critical patent/EP3713248A1/de
Application granted granted Critical
Publication of EP3713248B1 publication Critical patent/EP3713248B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1025—Accumulators specially adapted for earpieces; Arrangements specially adapted for charging thereof
    • 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
    • H04R2420/00—Details of connection covered by H04R, not provided for in its groups
    • H04R2420/09—Applications of special connectors, e.g. USB, XLR, in loudspeakers, microphones or headphones

Definitions

  • the present disclosure relates to a device having a power adaptor and speaker devices.
  • mains adaptor specifically an AC (alternating current) / DC (direct current) adaptor or rectifier, so as to be able to power and/or recharge the device from a mains power source when required.
  • a device comprising:
  • the speaker devices may be for example earphones or ear “buds", which fit partly or entirely in the outer ears or auditory canals of the user and which output audio to the left and right ears respectively of a user.
  • the electrical connections may be for example cables or wires.
  • the power adaptor has a switch operable to switch the electrical connections between the speaker devices and the power adaptor so that the speaker devices can selectively (i) receive, via the electrical connections, audio signals transmitted in use via the power adaptor and output audio and (ii) pass to the power adaptor, via the electrical connections, input electrical power received in use from a mains socket to which the electrical power pins of the speaker devices are connected in use.
  • the arrangement may be such that when the speaker devices are receiving or are capable of receiving audio signals transmitted in use via the power adaptor, the speaker devices do not or cannot pass electrical power to the power adaptor; and, conversely, when the speaker devices are passing or are capable of passing input electrical power to the power adaptor, the speaker devices do not or cannot receive audio signals via the power adaptor.
  • the electrical power pins of the speaker devices are pivotable or rotatable between the first configuration and the second configuration.
  • the mounting pins and the apertures are configured so that the electrical power pins of the speaker devices are correctly orientated to be received in corresponding sockets of a mains power socket when the speaker devices are mounted to the power adaptor.
  • the mounting pins and the apertures may have alignment ridges and corresponding recesses and/or may generally be shaped, such as with a polygonal shape, so that the electrical power pins of the speaker devices are correctly orientated when the speaker devices are mounted to the power adaptor.
  • the power adaptor comprises an audio connector for connection to an audio output socket of an audio output device and a power connector for connection to a power input socket of a device.
  • the power adaptor comprises one or more of a volume control, a tone control and a stereo balance control, for controlling audio playback at the speaker devices, and a microphone.
  • the device 1 has two main components or elements: a power adaptor 10 and two speaker devices 50.
  • the speaker devices 50 may be personal speaker devices, such as headphones or earphones (including “ear buds”), etc.
  • the power adaptor 10 can be connected to another device (not shown) so as to be able to power the other device or recharge rechargeable batteries of the other device.
  • the other device may be for example a mobile device.
  • the other device may have one or more rechargeable batteries to power it and/or may be mains powered.
  • the other device may be for example a cellular phone (including a so-called "smart phone"), a media player, a tablet or notebook computer, etc.
  • the power adaptor 10 can be connected to an audio playback device (not shown) so that the power adaptor 10 can pass audio signals from the audio playback device to the speaker devices 50 for playback by the speaker devices 50.
  • the audio playback may be a mobile device.
  • the audio playback device may have one or more rechargeable batteries to power it and/or may be mains powered.
  • the audio playback device may be for example a cellular phone (including a so-called "smart phone"), a media player, a tablet or notebook computer, etc.
  • the audio playback may be the same device that is powered or recharged via the power adaptor 10 as described above or may be a different device.
  • the power adaptor 10 is arranged to receive input electrical power and to output electrical power for powering the audio playback or other device and/or to recharge one or more rechargeable batteries of the audio playback or other device if rechargeable batteries are present in the audio playback or other device.
  • the power adaptor 10 includes a rectifier 12 for converting input mains AC (alternating current) power to DC (direct current) for output to the audio playback or other device.
  • each speaker device 50 has an electrical power pin 52 which is for connection to a respective socket of a mains power socket.
  • the mains power socket is a 2-pin mains power socket with two sockets, each socket receiving a respective electrical power pin 52 of the speaker devices 50 in use.
  • Each speaker device 50 has an electrical connection 54 to the power adaptor 10, such as by cable or wire 54. When the electrical power pins 52 of the speaker devices 50 are connected to a mains power socket, electrical power flows through the electrical connections 54 to the power adaptor 10 and, in this example, specifically to the rectifier 12.
  • the electrical power pins 52 are arranged on the speaker devices 50 so as to be opposite the earbud 56 or other portion that engages with the user's ear so as not to obstruct normal use of the speaker devices 50 for playback of audio when desired.
  • the user can simply carry one device 1, namely the combination of the speaker devices 50 and the power adaptor 10.
  • the mains electrical power pins 52 are provided on the speaker devices 50 rather than on a power adaptor, the power adaptor 10 according to the present disclosure can be smaller and more compact than a conventional power adaptor.
  • the power adaptor 10 may be provided with one or more of a volume control, a tone control and a stereo balance control for controlling audio playback at the speaker devices 50.
  • the power adaptor 10 according to the present disclosure may be provided with a microphone. This option therefore brings together the power adaptor function and the audio control and/or microphone function which are normally provided by separate components in conventional arrangements.
  • the speaker devices 50 can be removably mounted to the power adaptor 10. This may be for storage purposes, for example when the speaker devices 50 are not being used, during transport, etc. This may also be for when the power adaptor 10 is being used to output electrical power to charge or power a device.
  • the speaker devices 50 and the power adaptor 10 are arranged so that, when the speaker devices 50 are mounted to the power adaptor 10, the electrical power pins 52 are correctly orientated so as to be able to properly engage with the corresponding sockets of a (2-pin) mains power socket.
  • the two electrical power pins 52 are parallel to each other and face in the same direction and are separated by a distance which is at least generally the same as the distance between the sockets on the mains power socket (which may be for example 12.7 mm, 17.5 - 19 mm, etc., depending on the territory and the relevant standard for mains sockets and plugs in the country concerned).
  • the mounting of the speaker devices 50 to the power adaptor 10, and ensuring the correct orientation for the electrical power pins 52 when mounted to the power adaptor 10, may be achieved in a number of ways. In an example, this is achieved by an appropriate arrangement of mechanical or physical features on the speaker devices 50 and the power adaptor 10.
  • the speaker devices 50 each have a mounting pin 58 which can be received in a corresponding aperture (or recess or blind hole, etc.) 14 provided in an outer housing or casing 16 of the power adaptor 10.
  • the distance between the centres of the apertures 14 in the housing 16 of the power adaptor 10 may be for example 12.7 mm, 17.5 - 19 mm, etc., again depending on the territory and the relevant standard for mains sockets and plugs in the country concerned.
  • the mounting pins 58 may be made of an electrically insulating material, such as for example a plastics material.
  • the mounting pin 58 projects generally perpendicularly to the longitudinal axis of the electrical power pin 52 when the electrical power pin 52 is orientated to engage with a mains power socket.
  • the apertures 14 in the power adaptor 10 are located in a top face 18 of the housing 16 of the power adaptor 10 and are located towards a side face 20 of the power adaptor 10.
  • the mounting pins 58 and the apertures 10 are shaped in cross-section so as to provide the correct orientation of the electrical power pins 52.
  • the mounting pins 58 and the apertures 10 are triangular in cross-section.
  • the mounting pins 58 and the apertures 10 may have some other cross-sectional shape, such as some other polygonal shape.
  • the mounting pins 58 or, more generally, the speaker devices 50 may have projecting ridges or the like that engage with corresponding guide channels when the mounting pins 58 are inserted into the apertures 10 in the correct orientation.
  • FIG. 3 shows a side view of the power adaptor 10 and the mounting pins 58 of the speaker devices 50 passing into or through the housing 16 of the power adaptor 10 (with one speaker device 50 being hidden behind the other in the view of Figure 3 ).
  • both electrical power pins 52 face in the same direction (to the left) and are parallel, and their centres are spaced by approximately 12.7 mm, 17.5 - 19 mm, etc., depending on the spacing between the apertures 14 of the power adaptor 10.
  • the mounting pins 58 are provided on the speaker devices 50 and the apertures 14 are provided on the power adaptor 10
  • the arrangement may be reversed such that the mounting pins 58 are provided on the power adaptor 10 and the apertures 14 are provided on the speaker devices 50.
  • one speaker device 50 has a mounting pin and the other speaker device 50 has an aperture and the power adaptor 10 is provided with a corresponding aperture and mounting pin respectively.
  • the electrical power pins 52 are pivotally mounted to the body of the speaker devices 50. In one orientation which is shown to the left of Figure 4 , the electrical power pins 52 face outwardly, that is, opposite the earbud 56 or other portion that engages with the user's ear and, in this example, generally perpendicularly to the direction of the mounting pins 58.
  • the electrical power pins 52 In a second orientation, which is shown to the right of Figure 4 and the rear view of Figure 5 , the electrical power pins 52 have been pivoted or rotated though 90° to face "downwards", that is, generally perpendicularly to the direction of the earbud 56 or other portion that engages with the user's ear and, in this example, generally parallel to the direction of the mounting pins 58.
  • the electrical power pins 52 lie along the back of the body of the speaker devices 50 and possibly at least in part along the mounting pins 58 when in the second orientation.
  • the electrical power pins 52 can be moved to the second orientation when the electrical power pins 52 are not required to be plugged into a mains power socket so as to protect the electrical power pins 52 and keep the whole arrangement tidy.
  • the example of the device 1 described principally so far enables the user to use the electrical power pins 52 on the speaker devices 50 to make an electrical connection to a mains power socket so as to enable a device to be powered and/or charged via the power adaptor 10.
  • the power adaptor 10 also selectively enables audio signals to be passed from an audio playback device to the speaker devices 50 for play back to the user.
  • the audio playback device may be the same device that can be powered or recharged using the power adaptor 10 or may be a different device. In practice of course, in a typical use case, the same device is both powered or recharged via the power adaptor 10 and is used as the source of audio signals for playback via the speaker devices 50.
  • FIG. 6 and 7 there is shown schematically an example of a circuit arrangement in the case that the device 1 is used both to power or recharge another device and to enable audio playback via the speaker devices 50.
  • the same reference numerals have been used for the same or corresponding parts as described above.
  • FIG. 6 shows the device 1 when the device 1 is in power/charging mode.
  • the electrical connections 54 here cables or wires, pass from the electrical power pins 52 and connect to a switch 22 located in the interior of the power adaptor 10.
  • the switch 22 may be mechanical or electronic.
  • the switch 22 is used to switch the electrical connections 54 to connect to the rectifier 12 or to an audio input, as will be described further below.
  • the switch 22 may have a button, which may be a physical button or a "soft" button, to enable the user to manually switch between the power/charging and listening modes.
  • the switch 22 may be arranged to switch automatically to the power/charging mode when the speaker devices 50 are mounted to the power adaptor 10 and to switch automatically to the listening mode when the speaker devices 50 are removed from being mounted to the power adaptor 10.
  • the output of the rectifier 12 passes to a power output connector 24, shown in the drawings by way of example as a USB (universal serial bus) connector 24.
  • a power output connector 24 shown in the drawings by way of example as a USB (universal serial bus) connector 24.
  • the power output connector 24 is connected to a power input of the other device.
  • the switch 22 switches or is switched so as to make a connection between the electrical connections 54 and the rectifier 12. Accordingly, when the device 1 is in the power/charging mode, the electrical power pins 52 can be connected to a mains power socket and AC power can flow via the switch 22 to the rectifier 12, which can then output DC power via the power output connector 24 to the other device to be powered or charged.
  • the switch 22 also connects to an audio input connector 26, shown by way of example in the drawings as a jack plug (specifically a "mini jack” plug in this example).
  • the audio input connector 26 is connected to an audio playback devices when the speaker devices 50 are to be used for audio playback.
  • the switch 22 switches or is switched so as to make a connection between the electrical connections 54 and the audio input connector 26. Accordingly, when the device 1 is in the listening mode, audio signals can enter via the audio input connector 26 and pass via the switch 22 to the speaker devices 50.
  • the device 1 is arranged so that, when the device 1 is in listening mode, the audio signals (which may be left and right stereo signals or two mono signals, depending on for example the source of the audio) are passed from the switch 22 of the power adaptor 10 to speaker coils 60 of the speaker devices 50 via the electrical connections 54 and the electrical power pins 52. That is, when the device 1 is in listening mode, the electrical power pins 52 make electrical contact with the speaker coils 60 to carry the audio signals.
  • the audio signals which may be left and right stereo signals or two mono signals, depending on for example the source of the audio
  • Figures 6 and 7 show two cables or wires 62 from the audio input connector 26 to the switch 22 for the be left and right stereo signals or two mono signals and also return or earth cable or wires 64 (which may at least in part be a common return 64) from the speaker coils 60 to the audio input connector 26.
  • the device 1 is arranged so that, when the device 1 is in is in power/charging mode, the electrical power pins 52 do not connect to the speaker coils 60.
  • the electrical power pins 52 are pivoted or rotated between first and second orientations depending on whether the device 1 is to be in power/charging mode or listening mode.
  • the pivoting movement of the electrical power pins 52 makes or breaks the electrical connection between the switch 22 and the speaker coils 60 as necessary for audio playback or powering/charging another device respectively as necessary.
  • the housing or casing 16 of the power adaptor 10 of this example has recesses 66, 68 shaped to receive the power output connector 24 and the audio input connector 26 respectively when the power output connector 24 and the audio input connector 26 are not being used. This again helps to keep the whole arrangement tidy.
  • a user can carry a single device 1 which has a power adaptor 10 and two speaker devices 50.
  • the device 1 can selectively be used to pass audio from a media playback device to the speaker devices 50 and to power or charge another device (which may be the same media playback device or some other device).
  • Each speaker device 50 has an electrical power pin 52 which can be plugged into a respective socket of a mains power socket when powering/charging of another device is required.
  • the electrical power pins 52 carry audio signals to the speaker devices 50 when audio playback is required.
  • the examples described herein are to be understood as illustrative examples of embodiments of the invention. Further embodiments and examples are envisaged.
  • the example described above has a power output connector 24 and a separate audio input connector 26.
  • Such a single common connector may be for example an appropriately arranged USB connector.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
EP19164592.8A 2019-03-22 2019-03-22 Vorrichtung mit einem netzteil und lautsprechervorrichtungen Active EP3713248B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP19164592.8A EP3713248B1 (de) 2019-03-22 2019-03-22 Vorrichtung mit einem netzteil und lautsprechervorrichtungen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19164592.8A EP3713248B1 (de) 2019-03-22 2019-03-22 Vorrichtung mit einem netzteil und lautsprechervorrichtungen

Publications (2)

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EP3713248A1 true EP3713248A1 (de) 2020-09-23
EP3713248B1 EP3713248B1 (de) 2022-11-16

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EP19164592.8A Active EP3713248B1 (de) 2019-03-22 2019-03-22 Vorrichtung mit einem netzteil und lautsprechervorrichtungen

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014060729A1 (en) * 2012-10-15 2014-04-24 Onbeat Limited Portable audio headphones
US20140219466A1 (en) * 2013-02-06 2014-08-07 Zeikos Inc. Power transferring headphones
US20160209885A1 (en) * 2013-10-04 2016-07-21 Aquaterra Limited Power adapter unit with integrated input/output interface, and portable electronic device with storage recess for multifunction power adapter
CN205666925U (zh) * 2016-03-21 2016-10-26 深圳市树源科技有限公司 用于为音频设备充电的耳机
US20180152778A1 (en) * 2016-11-30 2018-05-31 Vencer Co., Ltd. Composite earphone

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014060729A1 (en) * 2012-10-15 2014-04-24 Onbeat Limited Portable audio headphones
US20140219466A1 (en) * 2013-02-06 2014-08-07 Zeikos Inc. Power transferring headphones
US20160209885A1 (en) * 2013-10-04 2016-07-21 Aquaterra Limited Power adapter unit with integrated input/output interface, and portable electronic device with storage recess for multifunction power adapter
CN205666925U (zh) * 2016-03-21 2016-10-26 深圳市树源科技有限公司 用于为音频设备充电的耳机
US20180152778A1 (en) * 2016-11-30 2018-05-31 Vencer Co., Ltd. Composite earphone

Also Published As

Publication number Publication date
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