WO2005096664A1 - Haut-parleur hybride et unité de haut-parleur hybride - Google Patents

Haut-parleur hybride et unité de haut-parleur hybride Download PDF

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Publication number
WO2005096664A1
WO2005096664A1 PCT/JP2005/006087 JP2005006087W WO2005096664A1 WO 2005096664 A1 WO2005096664 A1 WO 2005096664A1 JP 2005006087 W JP2005006087 W JP 2005006087W WO 2005096664 A1 WO2005096664 A1 WO 2005096664A1
Authority
WO
WIPO (PCT)
Prior art keywords
speaker
bone conduction
air
conducting
hybrid
Prior art date
Application number
PCT/JP2005/006087
Other languages
English (en)
Japanese (ja)
Inventor
Mikio Fukuda
Takeshi Takeda
Original Assignee
Temco Japan Co., Ltd.
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 Temco Japan Co., Ltd. filed Critical Temco Japan Co., Ltd.
Priority to JP2006511734A priority Critical patent/JPWO2005096664A1/ja
Publication of WO2005096664A1 publication Critical patent/WO2005096664A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/10—Telephone receivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2460/00—Details of hearing devices, i.e. of ear- or headphones covered by H04R1/10 or H04R5/033 but not provided for in any of their subgroups, or of hearing aids covered by H04R25/00 but not provided for in any of its subgroups
    • H04R2460/13—Hearing devices using bone conduction transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details

Definitions

  • the present invention relates to a hybrid speaker and a hybrid speaker unit, more specifically, a bone-conduction speaker and an air-conducting speaker that are compactly integrated, and incorporated into a mobile phone or the like to produce a bone-conducting sound and an air-conducting sound.
  • the present invention relates to a hybrid speaker and a hybrid speaker unit capable of both outputs.
  • Bone conduction speakers are used for use under high noise and for hearing-impaired people. When this bone conduction speaker is incorporated into a mobile phone and used, it can be used with almost the same function as an air conduction speaker currently in use, but the sound quality is slightly inferior.
  • Patent Document 1 JP 2003-87886 A
  • Patent Document 2 Japanese Patent Application Laid-Open No. 2003-348208
  • Patent Document 3 JP 2004-064101 A
  • the present invention provides a bone conduction speaker and an air conduction speaker that are compactly combined, It is an object of the present invention to provide a hybrid speaker and a hybrid speaker unit that can use both speakers functionally to selectively use the output even when the installation space is limited like a mobile phone. Means for solving the problem
  • the present invention for solving the above-mentioned problems is characterized in that a bone conduction speaker and an air conduction speaker are integrated with each other, and preferably, the bone conduction speaker and the bone conduction speaker are integrated with each other.
  • the air-conducting speaker is disposed coaxially and integrally with the air-conducting speaker, and the air-conducting speaker force is embedded in a recess formed on the back surface of the yoke of the bone conduction speaker.
  • the bone conduction speaker is configured by fixing a vibrating plate while holding a predetermined gap to a yoke carrying a voice coil and a magnet, and the recess is stepped;
  • the air-conducting loudspeaker includes a magnet fixed to a central portion of the inner bottom surface of the recess, a voice coil supported by a diaphragm fixed on a step of the recess and surrounding the magnet, and a voice coil mounted on the diaphragm.
  • an equalizer installed in the
  • a speaker unit according to the present invention for solving the above-mentioned problem is characterized in that the hybrid speaker according to any one of claims 1 to 5 is provided by connecting the vibration plate of the bone conduction speaker to an inner surface of a cut case. , And the equalizer of the air-conducting speaker is housed in the unit case by being fixed to the inner surface on the opposite side of the unit case via an elastic body.
  • the unit case is supported by a speaker holder made of an elastic material.
  • the speaker unit according to the present invention for solving the above-mentioned problems is provided with a cut case in which the interior is partitioned into a space for a bone conduction speaker and a space for an air-conducting speaker by a partition plate.
  • a bone conduction speaker is installed in the space for the conduction speaker by fixing the vibration plate to the partition plate, and the air conduction speaker is placed in the space for the conduction speaker, and the diaphragm surface is placed in the unit case. It is installed by fixing it to the inner surface of the car.
  • the speaker unit according to the present invention for solving the above-mentioned problem is characterized in that the vibration of the bone conduction speaker is obtained by fixing a vibrating plate while maintaining a predetermined gap in a yoke carrying a voice coil and a magnet. Air-conducting speaker with air-conducting speaker incorporated in plate The case is fixed.
  • the bone conduction speaker is supported by a speaker holder made of an elastic material, and the speaker holder includes a supporting portion of the bone conduction speaker and a vibration plate exposing portion of the bone conduction speaker.
  • the air conduction speaker case is fixed to the vibration plate of the bone conduction speaker through the vibration plate exposure portion.
  • the installation space is limited and the installation space is limited. It is suitable for use in mobile phones and the like.
  • the air conduction type speech force and the bone conduction speaker can be functionally switched, so that the bone conduction sound output is selected under high noise.
  • it is extremely suitable to be able to always output high-quality sound depending on the situation, such as selecting air-conducted sound output for making higher-quality calls. .
  • the hybrid speaker according to the present invention is characterized in that the bone conduction speaker and the air-conducting speaker are arranged integrally, preferably coaxially and integrally.
  • the best mode for carrying out the present invention will be described with reference to the drawings.
  • a first embodiment of the hybrid speaker according to the present invention shown in FIG. 1 will be described. That is, a recess 9 is provided on the back surface of the yoke 3 of the bone conduction speaker 1, and the air-conducting speaker 2 is embedded therein.
  • the bone conduction speaker 1 is generally configured such that a vibration plate 6 is fixed to a yoke 3 carrying a voice coil 4 and a magnet 5 while maintaining a predetermined gap. , The thick plate yoke 8 is fixed.
  • the bone conduction force 1 shown in FIG. 1 is a so-called inner magnet type in which the magnet 5 is arranged outside the voice coil 4, that is, a so-called outer magnet type magnet is arranged inside the voice coil 4. It can also be.
  • the air-conducting speaker 2 is provided with a stepped recess 9 on the back side of the yoke 3 of the bone conduction speaker 1, and a magnet 10 is fixed to the center of the inner bottom surface of the recess 9, and is supported by the diaphragm 12.
  • Ta Voice Co The coil 11 is arranged so as to surround the magnet 10, and the outer peripheral edge of the diaphragm 12 is fixed on the step of the recess 9.
  • An equalizer 13 is fixed on the diaphragm 12.
  • the hybrid speaker having a powerful structure is usually used by being appropriately housed in a unit case.
  • the bone conduction speaker 1 is installed there by fixing the plate yoke 8 of the vibrating plate 6 to the inner surface of the unit case 14. You.
  • the vibration of the vibrating plate 6 based on the force voice signal is transmitted to the entire unit case 14, and is output by the vibration of the unit case 14.
  • the air-conducting speaker 2 has an equalizer 13 installed on an inner surface of the unit case 14 opposite to a surface on which the plate yoke 8 of the bone conduction force 1 is fixed via an elastic body 15. Is done.
  • a sound emission hole 16 communicating with the elastic member 15 between the elastic member 15 and the unit case 14 is formed.
  • the elastic body 15 functions as a damping material for stabilizing the characteristics of the bone conduction speaker 1 that only forms the sound conducting hole of the air-conducting speaker 2.
  • a lead wire outlet 17 is formed in the unit case 14, and lead wires 18 and 18a from the bone conduction speaker 1 and the air-conducting speaker 2 are drawn out therefrom.
  • the unit case 14 is supported by a speaker holder 19 made of an elastic material having vibration damping properties, such as rubber or plastic, in consideration of assembling into a mobile phone.
  • the speaker holder 19 is provided with fixing projections 19b each having a circular hole formed on the upper and lower sides of a container 19a for accommodating the unit case 14.
  • the phone case 20 When the speaker unit according to the first embodiment is incorporated into a mobile phone by using the speaker holder 19, the phone case 20 has a unit installation opening 21 formed therein. A female screw cylinder 22 is erected on the inner edge.
  • the speaker holder 19 supporting the unit case 15 is installed in the unit installation opening 21 by inserting the female screw cylinder 22 into the circular hole of the fixing projection 19a and screwing it.
  • a bone conduction is performed by a partition plate 25 inside.
  • Unit case 2 divided into speaker space 26 and air-conducting speaker space 27
  • a bone conduction speaker 1 and an air conduction speaker 2 are installed.
  • the bone conduction speaker 1 has the same configuration as described above.
  • the bone conduction speaker 1 is arranged in the bone conduction speaker space 26, and is installed there by fixing the plate yoke 8 of the vibration plate 6 to the partition plate 25. Vibration of the vibration plate 6 based on the audio signal is transmitted from the partition plate 25 to the entire unit case 24, and is output as bone conduction sound due to the vibration of the unit case 24.
  • the air-conducting speaker 2 is fixed to the inner surface in the air-conducting speaker space 27.
  • a sound emission port 28 is appropriately formed in a fixed portion on the inner side surface of the unit case.
  • a lead wire outlet 30 is formed in the unit case 24, from which lead wires 31 and 32 exiting from the bone conduction speaker 1 and the air-con- ducted speaker 2 are drawn out, respectively.
  • FIG. 6 shows an example of a method of incorporating the speaker unit according to the second embodiment into a mobile phone.
  • the phone case 33 has a vibration damping property of rubber, plastic, or the like over the entire inner surface.
  • a concave portion 35 having an elastic material 34 fixed thereto is formed, and the present speaker unit is fitted into the concave portion 35.
  • a lead wire outlet hole 36 for extracting the lead wires 31 and 32 is formed through one side surface of the elastic member 34 and the concave portion 35.
  • the present speaker unit is fitted into the recessed portion 35 via the vibrating material 34 having a vibration damping action, transmission of the vibration is suppressed, and the isolation of the telephone case 33 is ensured. Is done.
  • an air-conducting speaker 2 with a built-in air-conducting speaker 2 having the same structure as described above is incorporated in the vibration plate 6 (plate yoke 8) of the bone conduction speaker 1 having the same structure as the second embodiment.
  • the speaker case 37 is fixed.
  • the fixation is performed by fixing a projection 38 provided at the center on the back side of the air-conducting speed force case 37 to the diaphragm (plate yoke 29) of the bone conduction speaker 16.
  • the portion of the bone conduction speaker 1 is supported by a speaker holder 39 made of an elastic material having a vibration damping property such as rubber or plastic.
  • the speaker holder 39 includes a fixing projection 40 having circular holes formed on the upper and lower sides of the cylindrical base, a speaker holding portion 41 is formed on one side, and an opening is formed on the other side. 42 is formed.
  • the bone conduction speaker 1 is held by the speaker holding portion 41 with the plate yoke 8 facing the opening 42. Then, the projection 38 of the air-conducting speaker case 37 faces the inside of the opening 42 and is fixed to the plate yoke 8. At this time, a slight gap is maintained between the peripheral portion of the opening 42 and the facing surface of the air-conducting speaker case 37.
  • FIG. 9 shows an example of a method of assembling the speaker unit according to the third embodiment into a mobile phone.
  • a unit installation opening is formed in a telephone case 20. 21 is formed, and a female screw cylinder 22 is erected on the inner edge of the unit installation opening 21.
  • the speaker holder 39 supporting the bone conduction speaker 1 as described above inserts the female screw cylinder 22 into the circular hole of the fixing projection 40, and screws the same. Installed in
  • the speaker unit according to each embodiment uses the bone conduction speaker and the air conduction speaker, the bone conduction sound output by the bone conduction speaker and the air conduction sound output by the air conduction speaker are different.
  • an electrical or mechanical switch that switches between these speakers in the communication device to which these speakers are connected it is possible to functionally select the audio output method according to the situation.
  • FIG. 1 is a diagram showing a configuration example of a hybrid speaker according to the present invention.
  • FIG. 2 is a diagram showing a configuration example of a speaker unit according to the first embodiment of the present invention.
  • FIG. 3 is a view showing a shape of a speaker holder used in the speaker hood according to the first embodiment of the present invention.
  • FIG. 4 is a diagram showing a method of incorporating the speaker unit according to the first embodiment of the present invention into a mobile phone.
  • FIG. 5 is a diagram illustrating a configuration example of a speaker unit according to a second embodiment of the present invention.
  • Fig. 6 is a diagram showing a method of incorporating the speaker unit according to the second embodiment of the present invention into a mobile phone.
  • FIG. 7 is a diagram showing a configuration example of a speaker unit according to a third embodiment of the present invention.
  • FIG. 8 is a diagram showing a shape of a speaker holder used in a speaker unit according to a third embodiment of the present invention.
  • FIG. 9 is a diagram showing a method of incorporating the speaker unit according to the third embodiment of the present invention into a mobile phone.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Telephone Set Structure (AREA)

Abstract

Haut-parleur hybride et unité de haut-parleur hybride dans lesquels un haut-parleur à conduction osseuse et un haut-parleur à conduction aérienne sont assemblés de façon compacte, et de ce fait, même en cas d’espace limité pour l’installation comme dans un téléphone portable, les sorties des deux haut-parleurs peuvent être utilisées de façon fonctionnelle appropriée en les utilisant ensemble. Le haut-parleur hybride et l’unité de haut-parleur hybride sont caractérisés par l’utilisation d’un haut-parleur à conduction osseuse (1) et d’un haut-parleur à conduction aérienne (2), et de préférence, le haut-parleur hybride (1) et le haut-parleur à conduction aérienne (2) sont disposés de façon intégrale sur le même axe, et le haut-parleur à conduction aérienne (2) est incorporé dans un évidement (9) formé dans le côté arrière d’un bâti (3) du haut-parleur à conduction osseuse (1).
PCT/JP2005/006087 2004-03-31 2005-03-30 Haut-parleur hybride et unité de haut-parleur hybride WO2005096664A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2006511734A JPWO2005096664A1 (ja) 2004-03-31 2005-03-30 ハイブリッドスピーカ及びハイブリッドスピーカユニット

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004106719 2004-03-31
JP2004-106719 2004-03-31

Publications (1)

Publication Number Publication Date
WO2005096664A1 true WO2005096664A1 (fr) 2005-10-13

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JP (1) JPWO2005096664A1 (fr)
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Cited By (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007034739A1 (fr) * 2005-09-20 2007-03-29 Temco Japan Co., Ltd. Support de haut-parleur à conduction osseuse et unité de haut-parleur à conduction osseuse l’utilisant
JP2009206885A (ja) * 2008-02-28 2009-09-10 Audio Technica Corp マイクロホン
JP2009296197A (ja) * 2008-06-04 2009-12-17 Cosmo Gear Kk 骨伝導スピーカの取付構造及び該取付構造を備えた骨伝導スピーカ付き機器
EP2250822A2 (fr) * 2008-02-11 2010-11-17 Bone Tone Communications Ltd. Système sonore et procédé pour former un son
JP2013102274A (ja) * 2011-11-07 2013-05-23 Yuji Hosoi 携帯電話
US20130169513A1 (en) * 2012-01-04 2013-07-04 Google Inc. Wearable computing device
US8521239B2 (en) 2010-12-27 2013-08-27 Rohm Co., Ltd. Mobile telephone
CN103716738A (zh) * 2013-12-18 2014-04-09 张木云 振动扬声器
US8886263B2 (en) 2010-12-27 2014-11-11 Rohm Co., Ltd. Incoming/outgoing-talk unit and incoming-talk unit
US8918149B2 (en) 2010-12-27 2014-12-23 Rohm Co., Ltd. Mobile telephone
WO2015198683A1 (fr) * 2014-06-26 2015-12-30 株式会社テムコジャパン Haut-parleur à conduction osseuse
US9313306B2 (en) 2010-12-27 2016-04-12 Rohm Co., Ltd. Mobile telephone cartilage conduction unit for making contact with the ear cartilage
US9479624B2 (en) 2012-01-20 2016-10-25 Rohm Co., Ltd. Mobile telephone
US9485559B2 (en) 2011-02-25 2016-11-01 Rohm Co., Ltd. Hearing system and finger ring for the hearing system
US9705548B2 (en) 2013-10-24 2017-07-11 Rohm Co., Ltd. Wristband-type handset and wristband-type alerting device
US9729971B2 (en) 2012-06-29 2017-08-08 Rohm Co., Ltd. Stereo earphone
US9742887B2 (en) 2013-08-23 2017-08-22 Rohm Co., Ltd. Mobile telephone
US9740842B1 (en) 2012-03-21 2017-08-22 Google Inc. Wearable computing device authentication using bone conduction
US9998836B2 (en) * 2012-05-01 2018-06-12 Kyocera Corporation Electronic device, control method, and control program
US10013862B2 (en) 2014-08-20 2018-07-03 Rohm Co., Ltd. Watching system, watching detection device, and watching notification device
US10356231B2 (en) 2014-12-18 2019-07-16 Finewell Co., Ltd. Cartilage conduction hearing device using an electromagnetic vibration unit, and electromagnetic vibration unit
US10778824B2 (en) 2016-01-19 2020-09-15 Finewell Co., Ltd. Pen-type handset
US10795321B2 (en) 2015-09-16 2020-10-06 Finewell Co., Ltd. Wrist watch with hearing function
US10967521B2 (en) 2015-07-15 2021-04-06 Finewell Co., Ltd. Robot and robot system
CN112995825A (zh) * 2019-12-13 2021-06-18 深圳市韶音科技有限公司 声音输出装置
US20210409875A1 (en) 2019-12-13 2021-12-30 Shenzhen Voxtech Co., Ltd. Sound-output device
US11526033B2 (en) 2018-09-28 2022-12-13 Finewell Co., Ltd. Hearing device

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JP2001309476A (ja) * 2000-04-26 2001-11-02 Kubota Corp 音声情報切換装置
JP2002165297A (ja) * 2000-11-22 2002-06-07 Temuko Japan:Kk 聴覚補助器
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JPH0597189U (ja) * 1992-05-29 1993-12-27 アルプス電気株式会社 骨伝導送受話装置
JPH07288887A (ja) * 1994-02-22 1995-10-31 Matsushita Electric Ind Co Ltd ヘッドホン
JPH0970087A (ja) * 1995-08-31 1997-03-11 Nippon Zetsukusu Kk 骨伝導音声ピックアップ装置及び通話装置
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JP2002281594A (ja) * 2001-03-07 2002-09-27 Cotron Corp 無線通信装置用の小型組込み型スピーカー

Cited By (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007034739A1 (fr) * 2005-09-20 2007-03-29 Temco Japan Co., Ltd. Support de haut-parleur à conduction osseuse et unité de haut-parleur à conduction osseuse l’utilisant
US8699742B2 (en) 2008-02-11 2014-04-15 Bone Tone Communications Ltd. Sound system and a method for providing sound
EP2250822A2 (fr) * 2008-02-11 2010-11-17 Bone Tone Communications Ltd. Système sonore et procédé pour former un son
EP2250822A4 (fr) * 2008-02-11 2011-05-04 Bone Tone Comm Ltd Système sonore et procédé pour former un son
US20110301729A1 (en) * 2008-02-11 2011-12-08 Bone Tone Communications Ltd. Sound system and a method for providing sound
JP2009206885A (ja) * 2008-02-28 2009-09-10 Audio Technica Corp マイクロホン
JP2009296197A (ja) * 2008-06-04 2009-12-17 Cosmo Gear Kk 骨伝導スピーカの取付構造及び該取付構造を備えた骨伝導スピーカ付き機器
US10779075B2 (en) 2010-12-27 2020-09-15 Finewell Co., Ltd. Incoming/outgoing-talk unit and incoming-talk unit
US9894430B2 (en) 2010-12-27 2018-02-13 Rohm Co., Ltd. Incoming/outgoing-talk unit and incoming-talk unit
US8886263B2 (en) 2010-12-27 2014-11-11 Rohm Co., Ltd. Incoming/outgoing-talk unit and incoming-talk unit
US8918149B2 (en) 2010-12-27 2014-12-23 Rohm Co., Ltd. Mobile telephone
US9716782B2 (en) 2010-12-27 2017-07-25 Rohm Co., Ltd. Mobile telephone
US9313306B2 (en) 2010-12-27 2016-04-12 Rohm Co., Ltd. Mobile telephone cartilage conduction unit for making contact with the ear cartilage
US9392097B2 (en) 2010-12-27 2016-07-12 Rohm Co., Ltd. Incoming/outgoing-talk unit and incoming-talk unit
US8521239B2 (en) 2010-12-27 2013-08-27 Rohm Co., Ltd. Mobile telephone
US9485559B2 (en) 2011-02-25 2016-11-01 Rohm Co., Ltd. Hearing system and finger ring for the hearing system
US9980024B2 (en) 2011-02-25 2018-05-22 Rohm Co., Ltd. Hearing system and finger ring for the hearing system
JP2013102274A (ja) * 2011-11-07 2013-05-23 Yuji Hosoi 携帯電話
US20130169513A1 (en) * 2012-01-04 2013-07-04 Google Inc. Wearable computing device
US9479624B2 (en) 2012-01-20 2016-10-25 Rohm Co., Ltd. Mobile telephone
US10778823B2 (en) 2012-01-20 2020-09-15 Finewell Co., Ltd. Mobile telephone and cartilage-conduction vibration source device
US10158947B2 (en) 2012-01-20 2018-12-18 Rohm Co., Ltd. Mobile telephone utilizing cartilage conduction
US10079925B2 (en) 2012-01-20 2018-09-18 Rohm Co., Ltd. Mobile telephone
US9740842B1 (en) 2012-03-21 2017-08-22 Google Inc. Wearable computing device authentication using bone conduction
US9998836B2 (en) * 2012-05-01 2018-06-12 Kyocera Corporation Electronic device, control method, and control program
US9729971B2 (en) 2012-06-29 2017-08-08 Rohm Co., Ltd. Stereo earphone
US10506343B2 (en) 2012-06-29 2019-12-10 Finewell Co., Ltd. Earphone having vibration conductor which conducts vibration, and stereo earphone including the same
US10834506B2 (en) 2012-06-29 2020-11-10 Finewell Co., Ltd. Stereo earphone
US10075574B2 (en) 2013-08-23 2018-09-11 Rohm Co., Ltd. Mobile telephone
US10237382B2 (en) 2013-08-23 2019-03-19 Finewell Co., Ltd. Mobile telephone
US9742887B2 (en) 2013-08-23 2017-08-22 Rohm Co., Ltd. Mobile telephone
US10103766B2 (en) 2013-10-24 2018-10-16 Rohm Co., Ltd. Wristband-type handset and wristband-type alerting device
US9705548B2 (en) 2013-10-24 2017-07-11 Rohm Co., Ltd. Wristband-type handset and wristband-type alerting device
CN103716738A (zh) * 2013-12-18 2014-04-09 张木云 振动扬声器
WO2015198683A1 (fr) * 2014-06-26 2015-12-30 株式会社テムコジャパン Haut-parleur à conduction osseuse
US9930436B2 (en) 2014-06-26 2018-03-27 Temco Japan Co., Ltd. Bone conduction speaker
US10013862B2 (en) 2014-08-20 2018-07-03 Rohm Co., Ltd. Watching system, watching detection device, and watching notification device
US10380864B2 (en) 2014-08-20 2019-08-13 Finewell Co., Ltd. Watching system, watching detection device, and watching notification device
US10848607B2 (en) 2014-12-18 2020-11-24 Finewell Co., Ltd. Cycling hearing device and bicycle system
US10356231B2 (en) 2014-12-18 2019-07-16 Finewell Co., Ltd. Cartilage conduction hearing device using an electromagnetic vibration unit, and electromagnetic vibration unit
US11601538B2 (en) 2014-12-18 2023-03-07 Finewell Co., Ltd. Headset having right- and left-ear sound output units with through-holes formed therein
US10967521B2 (en) 2015-07-15 2021-04-06 Finewell Co., Ltd. Robot and robot system
US10795321B2 (en) 2015-09-16 2020-10-06 Finewell Co., Ltd. Wrist watch with hearing function
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