JP5749391B1 - 切替可能な電源電圧を備える聴覚装置 - Google Patents

切替可能な電源電圧を備える聴覚装置 Download PDF

Info

Publication number
JP5749391B1
JP5749391B1 JP2014257875A JP2014257875A JP5749391B1 JP 5749391 B1 JP5749391 B1 JP 5749391B1 JP 2014257875 A JP2014257875 A JP 2014257875A JP 2014257875 A JP2014257875 A JP 2014257875A JP 5749391 B1 JP5749391 B1 JP 5749391B1
Authority
JP
Japan
Prior art keywords
microphone
power supply
level
signal
supply voltage
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.)
Active
Application number
JP2014257875A
Other languages
English (en)
Japanese (ja)
Other versions
JP2015144429A (ja
Inventor
ヴィンター マーチン
ヴィンター マーチン
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.)
GN Hearing AS
Original Assignee
GN Resound 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.)
Filing date
Publication date
Application filed by GN Resound AS filed Critical GN Resound AS
Application granted granted Critical
Publication of JP5749391B1 publication Critical patent/JP5749391B1/ja
Publication of JP2015144429A publication Critical patent/JP2015144429A/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Amplifiers (AREA)
  • Circuit For Audible Band Transducer (AREA)
JP2014257875A 2013-12-27 2014-12-19 切替可能な電源電圧を備える聴覚装置 Active JP5749391B1 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DKPA201370823 2013-12-27
DKPA201370823 2013-12-27

Publications (2)

Publication Number Publication Date
JP5749391B1 true JP5749391B1 (ja) 2015-07-15
JP2015144429A JP2015144429A (ja) 2015-08-06

Family

ID=53593472

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2014257875A Active JP5749391B1 (ja) 2013-12-27 2014-12-19 切替可能な電源電圧を備える聴覚装置

Country Status (2)

Country Link
JP (1) JP5749391B1 (zh)
CN (1) CN104754484B (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107864435A (zh) * 2017-11-09 2018-03-30 广州艾美网络科技有限公司 音频功率的控制方法、控制电路和音频设备
CN114945131A (zh) * 2021-02-16 2022-08-26 大北欧听力公司 具有发送电压自适应控制的无线双耳听力设备系统

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10581397B2 (en) * 2015-09-07 2020-03-03 Tdk Corporation Integrated circuit, circuit assembly and a method for its operation
EP3145216B1 (en) * 2015-09-17 2018-11-14 Nxp B.V. Amplifier system
CN106060687B (zh) * 2016-06-08 2024-05-17 钰太芯微电子科技（上海）有限公司 一种多模式的麦克风供电系统
EP3316480A1 (en) * 2016-10-31 2018-05-02 Oticon A/s A hearing device comprising an amplifier system for minimizing variation in an acoustical signal caused by variation in gain of an amplifier
EP3319215B1 (en) * 2016-11-03 2020-12-23 GN Hearing A/S Hearing instrument comprising switched capacitor dc-dc power converter
US10998858B2 (en) 2016-11-22 2021-05-04 Huawei Technologies Co., Ltd. Power supply circuit and audio play device
CN107071640B (zh) * 2017-03-28 2020-01-03 建荣半导体（深圳）有限公司 一种双电压域驱动运算电路
CN110049405B (zh) * 2018-01-15 2022-02-18 厦门雅迅网络股份有限公司 一种兼容式车载麦克风电路
JP7149180B2 (ja) * 2018-12-21 2022-10-06 日清紡マイクロデバイス株式会社 マイクアンプ
CN114040301B (zh) * 2021-11-15 2024-02-27 歌尔微电子股份有限公司 麦克风快速启动电路、麦克风芯片及麦克风

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52132660A (en) * 1976-04-28 1977-11-07 Matsushita Electric Ind Co Ltd Power amplifier
DE19545760C1 (de) * 1995-12-07 1997-02-20 Siemens Audiologische Technik Digitales Hörgerät
KR20010053847A (ko) * 1999-12-02 2001-07-02 윤종용 무선 단말기에서 통화중 배터리 교체 방법
CN101465432A (zh) * 2007-12-17 2009-06-24 思柏科技股份有限公司 具燃料电池输出控制的混合电力装置
CN201274568Y (zh) * 2008-10-14 2009-07-15 韦景新 一种助听器
CN201425841Y (zh) * 2009-05-04 2010-03-17 北京爱国者存储科技有限责任公司 一种电源无缝切换的录音笔
JP5343786B2 (ja) * 2009-09-18 2013-11-13 ヤマハ株式会社 増幅装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107864435A (zh) * 2017-11-09 2018-03-30 广州艾美网络科技有限公司 音频功率的控制方法、控制电路和音频设备
CN107864435B (zh) * 2017-11-09 2024-03-15 广州艾美网络科技有限公司 音频功率的控制方法、控制电路和音频设备
CN114945131A (zh) * 2021-02-16 2022-08-26 大北欧听力公司 具有发送电压自适应控制的无线双耳听力设备系统

Also Published As

Publication number Publication date
CN104754484A (zh) 2015-07-01
JP2015144429A (ja) 2015-08-06
CN104754484B (zh) 2019-11-08

Similar Documents

Publication Publication Date Title
JP5749391B1 (ja) 切替可能な電源電圧を備える聴覚装置
US9900708B2 (en) Hearing instrument with switchable power supply voltage
EP2890155B1 (en) Hearing instrument with switchable power supply voltage
US20130129117A1 (en) Audio amplification circuit
US9083288B2 (en) High level capable audio amplification circuit
US9071214B2 (en) Audio signal controller
CN102224675B (zh) 动态偏置放大器
US20150208165A1 (en) Microphone Apparatus and Method To Provide Extremely High Acoustic Overload Points
CN112470400B (zh) D类开环放大器的增益控制
JP2019115252A (ja) 外部および内部フライングキャパシタを備えるスイッチトキャパシタｄｃ−ｄｃ変換器
AU2011360732B2 (en) Hearing aid with an H-bridge output stage and a method of driving an output stage
US7239711B1 (en) Hearing aid system and hearing aid for in-situ fitting
CN108206979B (zh) 一种多功能骨传导助听系统及其使用方法
CN104717594A (zh) 助听系统、助听手机及其助听方法
US8787606B2 (en) Electronically compensated micro-speakers
DK3235267T3 (en) A HEARING DEVICE
US20050207602A1 (en) Hearing aid and method for the detection and automatic selection of an input signal
US9467765B2 (en) Hearing instrument with interruptable microphone power supply
JP2015097385A (ja) 中断可能なマイクロフォン電源を有する聴覚機器
CN1652637B (zh) 带音量控制器的声频放大设备
KR100875047B1 (ko) 귀걸이형 보청기
EP3065422A1 (en) Techniques for increasing processing capability in hear aids
EP2866471B1 (en) Hearing instrument with interruptable microphone power supply
US7248710B2 (en) Embedded internet for hearing aids
EP3420739B1 (en) Hearing aid system and a method of operating a hearing aid system

Legal Events

Date Code Title Description
TRDD Decision of grant or rejection written
A975 Report on accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A971005

Effective date: 20150414

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20150421

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20150513

R150 Certificate of patent or registration of utility model

Ref document number: 5749391

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250