CN103563396B - 用于减小对信号路径的干扰的方法、电路和设备 - Google Patents
用于减小对信号路径的干扰的方法、电路和设备 Download PDFInfo
- Publication number
- CN103563396B CN103563396B CN201180071305.6A CN201180071305A CN103563396B CN 103563396 B CN103563396 B CN 103563396B CN 201180071305 A CN201180071305 A CN 201180071305A CN 103563396 B CN103563396 B CN 103563396B
- Authority
- CN
- China
- Prior art keywords
- power supply
- terminal
- integrated circuit
- impedance part
- circuit
- 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.)
- Expired - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
- H04M1/6008—Substation equipment, e.g. for use by subscribers including speech amplifiers in the transmitter circuit
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
- H04M1/6033—Substation equipment, e.g. for use by subscribers including speech amplifiers for providing handsfree use or a loudspeaker mode in telephone sets
- H04M1/6041—Portable telephones adapted for handsfree use
- H04M1/6058—Portable telephones adapted for handsfree use involving the use of a headset accessory device connected to the portable telephone
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2410/00—Microphones
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Transceivers (AREA)
- Telephone Function (AREA)
- Circuit For Audible Band Transducer (AREA)
- Amplifiers (AREA)
- Semiconductor Integrated Circuits (AREA)
- Electronic Switches (AREA)
Abstract
Description
Claims (15)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/EP2011/002675 WO2012163371A1 (en) | 2011-05-30 | 2011-05-30 | Reducing a disturbance on a signal path of a semiconductor switch |
Publications (2)
Publication Number | Publication Date |
---|---|
CN103563396A CN103563396A (zh) | 2014-02-05 |
CN103563396B true CN103563396B (zh) | 2016-12-28 |
Family
ID=44630454
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201180071305.6A Expired - Fee Related CN103563396B (zh) | 2011-05-30 | 2011-05-30 | 用于减小对信号路径的干扰的方法、电路和设备 |
Country Status (4)
Country | Link |
---|---|
US (2) | US9407256B2 (zh) |
EP (1) | EP2716065A1 (zh) |
CN (1) | CN103563396B (zh) |
WO (2) | WO2012163371A1 (zh) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103260108A (zh) * | 2012-02-20 | 2013-08-21 | 深圳富泰宏精密工业有限公司 | 实现耳机兼容的电子装置及方法 |
GB2535354B (en) * | 2013-04-11 | 2017-02-08 | Cirrus Logic Int Semiconductor Ltd | Microphone biasing circuitry and method thereof |
TWI520626B (zh) | 2013-12-02 | 2016-02-01 | 緯創資通股份有限公司 | 麥克風的接腳偵測電路與其方法 |
US10141902B1 (en) * | 2015-07-08 | 2018-11-27 | Marvell World Trade Ltd. | Apparatus for and method of generating output signal based on detected load resistance value |
US9977755B2 (en) * | 2016-03-24 | 2018-05-22 | Qualcomm Incorporated | Mobile device with multiple communication capabilities |
CN110121838B (zh) | 2017-01-03 | 2023-11-28 | 辛纳普蒂克斯公司 | 杂音降低电路及方法 |
CN107864434B (zh) * | 2017-09-30 | 2020-02-04 | 深圳市艾特智能科技有限公司 | 消回音电路 |
US11177642B2 (en) * | 2018-12-07 | 2021-11-16 | Schneider Electric USA, Inc. | Low cost high frequency sensor for arc-fault detection |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101645300A (zh) * | 2009-05-15 | 2010-02-10 | 上海闻泰电子科技有限公司 | 一种支持双接口的多媒体共享移动终端 |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1515287A (en) * | 1974-05-30 | 1978-06-21 | Plessey Co Ltd | Piezoelectric transducers |
DE3134888A1 (de) * | 1981-09-03 | 1983-03-10 | Robert Bosch Gmbh, 7000 Stuttgart | "hoergeraet" |
US5862240A (en) * | 1995-02-10 | 1999-01-19 | Sony Corporation | Microphone device |
US5844997A (en) * | 1996-10-10 | 1998-12-01 | Murphy, Jr.; Raymond L. H. | Method and apparatus for locating the origin of intrathoracic sounds |
FI105379B (fi) | 1998-01-22 | 2000-07-31 | Ericsson Telefon Ab L M | Menetelmä ja järjestelmä ääniliikenteeseen |
US6266423B1 (en) * | 1998-04-15 | 2001-07-24 | Aphex Systems, Ltd. | Microphone output limiter |
US6104816A (en) * | 1998-08-31 | 2000-08-15 | The United States Of America As Represented By The Secretary Of The Navy | High noise communication system |
US6222928B1 (en) * | 1999-05-10 | 2001-04-24 | The United States Of America As Represented By The Secretary Of The Navy | Universal impedance matcher for a microphone-to-radio connection |
GB2377848B (en) | 2001-07-20 | 2004-08-11 | Nec Technologies | Transducer circuit |
US7092538B2 (en) * | 2002-04-15 | 2006-08-15 | Knowles Electronics, Llc | Switched microphone buffer |
CN100472596C (zh) * | 2002-10-09 | 2009-03-25 | 三菱电机株式会社 | 驱动电路以及图象显示装置 |
US20040196089A1 (en) * | 2003-04-02 | 2004-10-07 | O'donnell John J. | Switching device |
JP4310234B2 (ja) * | 2004-05-18 | 2009-08-05 | 株式会社オーディオテクニカ | コンデンサマイクロホン |
JP4596243B2 (ja) * | 2004-09-02 | 2010-12-08 | ソニー株式会社 | 信号出力装置及び映像表示装置 |
JP4657789B2 (ja) * | 2005-04-21 | 2011-03-23 | ローム株式会社 | 昇圧型スイッチング電源装置及びこれを備えた電子機器 |
US7978863B2 (en) * | 2006-06-26 | 2011-07-12 | Nokia Corporation | Apparatus and method to provide advanced microphone bias |
US8976976B2 (en) | 2008-01-14 | 2015-03-10 | Apple Inc. | Accessory adapter with user input interface |
US8861743B2 (en) | 2008-05-30 | 2014-10-14 | Apple Inc. | Headset microphone type detect |
CN101783985B (zh) | 2009-01-15 | 2013-12-18 | 鸿富锦精密工业(深圳)有限公司 | 耳机 |
CA2717402C (en) * | 2009-10-13 | 2014-08-12 | Research In Motion Limited | Mobile wireless device with multi feed point antenna and audio transducer and related methods |
US8422409B2 (en) * | 2010-09-30 | 2013-04-16 | Quintic Holdings | System and method of duplex wireless audio link over broadcast channels |
-
2011
- 2011-05-30 EP EP11729366.2A patent/EP2716065A1/en not_active Withdrawn
- 2011-05-30 WO PCT/EP2011/002675 patent/WO2012163371A1/en active Application Filing
- 2011-05-30 CN CN201180071305.6A patent/CN103563396B/zh not_active Expired - Fee Related
- 2011-05-30 US US14/111,774 patent/US9407256B2/en not_active Expired - Fee Related
- 2011-08-11 US US13/503,148 patent/US9077342B2/en not_active Expired - Fee Related
- 2011-08-11 WO PCT/EP2011/004049 patent/WO2012163379A1/en active Application Filing
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101645300A (zh) * | 2009-05-15 | 2010-02-10 | 上海闻泰电子科技有限公司 | 一种支持双接口的多媒体共享移动终端 |
Also Published As
Publication number | Publication date |
---|---|
EP2716065A1 (en) | 2014-04-09 |
US9077342B2 (en) | 2015-07-07 |
US20120308041A1 (en) | 2012-12-06 |
WO2012163379A1 (en) | 2012-12-06 |
WO2012163371A1 (en) | 2012-12-06 |
US9407256B2 (en) | 2016-08-02 |
US20140098977A1 (en) | 2014-04-10 |
CN103563396A (zh) | 2014-02-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
C41 | Transfer of patent application or patent right or utility model | ||
CB02 | Change of applicant information |
Address after: Longde, Sweden Applicant after: SONY MOBILE COMMUNICATIONS Inc. Address before: Longde, Sweden Applicant before: SONY ERICSSON MOBILE COMMUNICATIONS AB |
|
COR | Change of bibliographic data | ||
GR01 | Patent grant | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20161205 Address after: Tokyo, Japan Applicant after: SONY MOBILE COMMUNICATIONS Inc. Address before: Longde, Sweden Applicant before: SONY MOBILE COMMUNICATIONS Inc. |
|
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161228 Termination date: 20190530 |