JP2005039834A5 - - Google Patents

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Publication number
JP2005039834A5
JP2005039834A5 JP2004208022A JP2004208022A JP2005039834A5 JP 2005039834 A5 JP2005039834 A5 JP 2005039834A5 JP 2004208022 A JP2004208022 A JP 2004208022A JP 2004208022 A JP2004208022 A JP 2004208022A JP 2005039834 A5 JP2005039834 A5 JP 2005039834A5
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JP
Japan
Prior art keywords
circuit
headset
voltage
load current
input 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.)
Granted
Application number
JP2004208022A
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English (en)
Japanese (ja)
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JP2005039834A (ja
JP4178247B2 (ja
Filing date
Publication date
Priority claimed from US10/619,789 external-priority patent/US7327850B2/en
Application filed filed Critical
Publication of JP2005039834A publication Critical patent/JP2005039834A/ja
Publication of JP2005039834A5 publication Critical patent/JP2005039834A5/ja
Application granted granted Critical
Publication of JP4178247B2 publication Critical patent/JP4178247B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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JP2004208022A 2003-07-15 2004-07-15 電力供給 Expired - Fee Related JP4178247B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/619,789 US7327850B2 (en) 2003-07-15 2003-07-15 Supplying electrical power

Publications (3)

Publication Number Publication Date
JP2005039834A JP2005039834A (ja) 2005-02-10
JP2005039834A5 true JP2005039834A5 (enExample) 2007-08-30
JP4178247B2 JP4178247B2 (ja) 2008-11-12

Family

ID=33477081

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004208022A Expired - Fee Related JP4178247B2 (ja) 2003-07-15 2004-07-15 電力供給

Country Status (4)

Country Link
US (2) US7327850B2 (enExample)
EP (1) EP1499017B1 (enExample)
JP (1) JP4178247B2 (enExample)
CN (1) CN1578536B (enExample)

Families Citing this family (55)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040003136A1 (en) * 2002-06-27 2004-01-01 Vocollect, Inc. Terminal and method for efficient use and identification of peripherals
US7327850B2 (en) * 2003-07-15 2008-02-05 Bose Corporation Supplying electrical power
SE526944C2 (sv) * 2003-11-27 2005-11-22 Peltor Ab Hörselskydd
US20050238181A1 (en) * 2003-11-27 2005-10-27 Sigvard Nilsson Hearing protector
DE102004064132B4 (de) * 2004-07-13 2011-06-30 Sennheiser electronic GmbH & Co. KG, 30900 Einrichtung zur Speicherung von elektrischer Energie
DE102004034028B4 (de) * 2004-07-13 2008-11-06 Sennheiser Electronic Gmbh & Co. Kg Einrichtung zur Speicherung von elektrischer Energie
DE102005016204A1 (de) * 2005-04-07 2006-10-12 Sennheiser Electronic Gmbh & Co. Kg Kopfhörer zum Anschluss an eine externe aktive Lärmkompensationsvorrichtung
SE528519C2 (sv) * 2005-04-29 2006-12-05 Peltor Ab Hörselkåpa
SE528515C2 (sv) 2005-04-29 2006-12-05 Peltor Ab Hörselkåpa med mikrofonanordning
SE528514C2 (sv) 2005-04-29 2006-12-05 Peltor Ab Hörselkåpa
US8064593B1 (en) * 2006-01-26 2011-11-22 Plantronics, Inc. Auto host disconnect on loss of power to a headset amplifier
SE530023C2 (sv) 2006-06-20 2008-02-12 Peltor Ab Hörselkåpa
TWI341695B (en) * 2006-07-31 2011-05-01 Compal Electronics Inc Method for controlling volume of earphone
JP2008048067A (ja) * 2006-08-11 2008-02-28 Matsushita Electric Works Ltd 補聴器
US7983427B2 (en) * 2007-02-12 2011-07-19 Bose Corporation Method and apparatus for conserving battery power
WO2009022196A1 (en) * 2007-08-13 2009-02-19 Freescale Semiconductor, Inc. Voltage supply circuitry and integrated corcuit therefor
US7888907B2 (en) * 2007-10-30 2011-02-15 Bose Corporation Controlled charging and use of power source
US8155362B2 (en) * 2007-11-29 2012-04-10 Plantronics, Inc. Wireless listening system
SE532379C2 (sv) * 2008-03-26 2009-12-29 3M Svenska Ab Hörselskydd innefattande behandlingsanordningar för behandling av repeterbart och icke-repeterbart buller
SE531656E5 (sv) * 2008-05-12 2011-04-26 3M Svenska Ab Hörselskydd
CN101610440B (zh) * 2008-06-19 2012-11-21 鸿富锦精密工业（深圳）有限公司 电子装置
US8345888B2 (en) * 2009-04-28 2013-01-01 Bose Corporation Digital high frequency phase compensation
DE202009009804U1 (de) * 2009-07-17 2009-10-29 Sennheiser Electronic Gmbh & Co. Kg Headset und Hörer
US8437483B2 (en) * 2009-12-29 2013-05-07 Texas Instruments Incorporated Active snubber for improving stability of headphone amplifiers
DK2378793T3 (da) * 2010-04-14 2013-05-13 Gn Resound As Høreindretning, der er konfigureret til trådløs kommunikation i bursts, og en fremgangsmåde til levering af strøm til denne
TWI421675B (zh) * 2010-07-21 2014-01-01 Mstar Semiconductor Inc 可自動切換運作模式的可攜式電子裝置
KR101358280B1 (ko) * 2010-08-26 2014-02-12 삼성전자주식회사 전력 전송 효율을 고려한 공진 전력 전송 시스템
US9072479B2 (en) * 2011-05-06 2015-07-07 Welch Allyn, Inc. Variable control for handheld device
US8536908B2 (en) * 2011-09-29 2013-09-17 Spansion Llc Apparatus and method for smart VCC trip point design for testability
US8981823B1 (en) 2011-09-29 2015-03-17 Spansion Llc Apparatus and method for smart VCC trip point design for testability
US9042588B2 (en) * 2011-09-30 2015-05-26 Apple Inc. Pressure sensing earbuds and systems and methods for the use thereof
US8995679B2 (en) 2011-12-13 2015-03-31 Bose Corporation Power supply voltage-based headset function control
US9014387B2 (en) * 2012-04-26 2015-04-21 Cirrus Logic, Inc. Coordinated control of adaptive noise cancellation (ANC) among earspeaker channels
US9100757B2 (en) * 2012-07-02 2015-08-04 Apple Inc. Headset impedance detection
US9049513B2 (en) 2012-09-18 2015-06-02 Bose Corporation Headset power source managing
US9100743B2 (en) 2013-03-15 2015-08-04 Vocollect, Inc. Method and system for power delivery to a headset
US9837066B2 (en) 2013-07-28 2017-12-05 Light Speed Aviation, Inc. System and method for adaptive active noise reduction
US9583277B2 (en) * 2013-09-30 2017-02-28 The Paper Battery Company, Inc. Ultra-capacitor structures and electronic systems with ultra-capacitor structures
US10051371B2 (en) * 2014-03-31 2018-08-14 Bose Corporation Headphone on-head detection using differential signal measurement
EP3142382B1 (en) * 2014-05-30 2019-12-04 Huawei Technologies Co., Ltd. Method, apparatus and system for supplying power to active noise cancelling earphone
AU2015277295B2 (en) * 2014-06-18 2019-09-26 Zpower, Llc Voltage regulator and control circuit for silver-zinc batteries in hearing instruments
EP3001695B1 (en) 2014-09-29 2018-07-11 Harman Becker Automotive Systems GmbH Active headphones with power consumption control
JP6746948B2 (ja) * 2016-02-25 2020-08-26 オムロン株式会社 ハンドルロックシステム
US10090814B2 (en) 2016-03-16 2018-10-02 Cirrus Logic, Inc. Removal of switching discontinuity in a hybrid switched mode amplifier
KR102512403B1 (ko) * 2016-08-19 2023-03-22 삼성전자 주식회사 전자장치, 이를 활용한 음성 신호의 노이즈 저감 방법
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
US10461709B2 (en) * 2016-12-29 2019-10-29 Cirrus Logic, Inc. Amplifier with auxiliary path for maximizing power supply rejection ratio
DE102018107579B4 (de) * 2018-03-29 2020-07-02 Tdk Corporation Mikrofonarray
CN108737920A (zh) * 2018-03-30 2018-11-02 广东思派康电子科技有限公司 一种基于3.5mm接口的耳机内部配件的供电电路
EP3952336A4 (en) 2019-04-30 2022-05-18 Shenzhen Shokz Co., Ltd. AUDIBLE OUTPUT DEVICE
US10998867B2 (en) * 2019-05-29 2021-05-04 Cirrus Logic, Inc. Avoiding clipping in audio power delivery by predicting available power supply energy
US11089415B1 (en) 2020-03-25 2021-08-10 Cirrus Logic, Inc. On-ear transition detection
US10937410B1 (en) * 2020-04-24 2021-03-02 Bose Corporation Managing characteristics of active noise reduction
CN111658319B (zh) * 2020-06-09 2024-09-06 烟台听雨医疗科技有限公司 耳鸣治疗装置
US12444399B2 (en) 2022-09-02 2025-10-14 Bose Corporation Active damping of resonant canal modes

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3873904A (en) * 1974-03-21 1975-03-25 Motorola Inc Automatic turn-on circuit for a DC to DC down converter
JPS5330315A (en) 1976-09-01 1978-03-22 Mitsubishi Electric Corp Protecting circuit for speaker system against excessive input
JPS56152306A (en) 1980-04-24 1981-11-25 Olympus Optical Co Ltd Speaker protector
JPS5736088A (en) 1980-08-13 1982-02-26 Toshiba Corp Production of radiator panel
US5353347A (en) * 1992-02-04 1994-10-04 Acs Communications, Inc. Telephone headset amplifier with battery saver, receive line noise reduction, and click-free mute switching
JPH0678390A (ja) 1992-08-28 1994-03-18 Shashin Kagaku:Kk 音量自動調整方法並びにその装置
EP0705472B1 (en) * 1993-06-23 2000-05-10 Noise Cancellation Technologies, Inc. Variable gain active noise cancellation system with improved residual noise sensing
JP2919374B2 (ja) 1996-08-22 1999-07-12 甲府日本電気株式会社 出力電圧安定化制御方式
US6069959A (en) * 1997-04-30 2000-05-30 Noise Cancellation Technologies, Inc. Active headset
US6078167A (en) * 1998-03-24 2000-06-20 Conexant System, Inc. Voltage upconverter for portable time divisional multiple access radio
JP2000092830A (ja) 1998-09-17 2000-03-31 Nec Fukushima Ltd 電源回路
US6704428B1 (en) * 1999-03-05 2004-03-09 Michael Wurtz Automatic turn-on and turn-off control for battery-powered headsets
WO2001067805A2 (en) 2000-03-06 2001-09-13 Michael Wurtz Automatic turn-on and turn-off control for battery-powered headsets
ATE347190T1 (de) * 2000-05-19 2006-12-15 Ericsson Telefon Ab L M Gleichstrom-gleichstromwandler
US20040145348A1 (en) 2000-09-21 2004-07-29 Constantin Bucur Power management topologies
US6829364B2 (en) * 2001-06-22 2004-12-07 Topholm & Westermann Aps, Ny Hearing aid with a capacitor having a large capacitance
US7327850B2 (en) 2003-07-15 2008-02-05 Bose Corporation Supplying electrical power
US7245185B2 (en) 2004-06-18 2007-07-17 Bose Corporation Controlling a power converter
KR100748311B1 (ko) 2006-09-01 2007-08-09 삼성에스디아이 주식회사 배터리 팩 및 전력 입력 장치
US7888907B2 (en) * 2007-10-30 2011-02-15 Bose Corporation Controlled charging and use of power source

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