AU2002302014A1 - Apparatus for reducing echoes and noises in telephone - Google Patents
Apparatus for reducing echoes and noises in telephoneInfo
- Publication number
- AU2002302014A1 AU2002302014A1 AU2002302014A AU2002302014A AU2002302014A1 AU 2002302014 A1 AU2002302014 A1 AU 2002302014A1 AU 2002302014 A AU2002302014 A AU 2002302014A AU 2002302014 A AU2002302014 A AU 2002302014A AU 2002302014 A1 AU2002302014 A1 AU 2002302014A1
- Authority
- AU
- Australia
- Prior art keywords
- noises
- telephone
- reducing echoes
- echoes
- reducing
- 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
Links
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2001-0076157A KR100459565B1 (en) | 2001-12-04 | 2001-12-04 | Device for reducing echo and noise in phone |
KR76157/2001 | 2001-12-04 |
Publications (3)
Publication Number | Publication Date |
---|---|
AU2002302014A1 true AU2002302014A1 (en) | 2003-06-19 |
AU2002302014B2 AU2002302014B2 (en) | 2004-08-19 |
AU2002302014B9 AU2002302014B9 (en) | 2005-03-24 |
Family
ID=19716604
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU2002302014A Ceased AU2002302014B9 (en) | 2001-12-04 | 2002-11-15 | Apparatus for reducing echoes and noises in telephone |
Country Status (5)
Country | Link |
---|---|
US (1) | US6934383B2 (en) |
JP (1) | JP4035036B2 (en) |
KR (1) | KR100459565B1 (en) |
AU (1) | AU2002302014B9 (en) |
GB (1) | GB2382949B (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004312457A (en) * | 2003-04-08 | 2004-11-04 | Uniden Corp | Echo cancellation circuit, ip telephone, and curl code |
KR100532841B1 (en) * | 2003-10-01 | 2005-12-02 | 삼성전자주식회사 | Low noise transeiver |
US8873669B1 (en) * | 2004-12-20 | 2014-10-28 | Apple Inc. | Adaptable codec for selecting encoding scheme based on quality of experience |
KR100594152B1 (en) * | 2004-12-28 | 2006-06-28 | 삼성전자주식회사 | Earphone jack deleting power-noise and the method |
US8225143B2 (en) * | 2008-01-28 | 2012-07-17 | International Business Machines Corporation | Method and apparatus to inject noise in a network system |
US8630685B2 (en) * | 2008-07-16 | 2014-01-14 | Qualcomm Incorporated | Method and apparatus for providing sidetone feedback notification to a user of a communication device with multiple microphones |
US9202455B2 (en) * | 2008-11-24 | 2015-12-01 | Qualcomm Incorporated | Systems, methods, apparatus, and computer program products for enhanced active noise cancellation |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1762924B1 (en) * | 1968-09-24 | 1970-09-03 | Siemens Ag | Circuit arrangement for a telephone microphone amplifier with an amplifier output side feed |
US4433215A (en) * | 1979-02-26 | 1984-02-21 | Tii Corporation | Solid state hybrid circuits |
FR2497433A1 (en) | 1980-12-31 | 1982-07-02 | Thomson Csf Mat Tel | CIRCUIT FOR CONNECTING AN ACTIVE MICROPHONE, ESPECIALLY ELECTRET TO A TELEPHONE TRANSMISSION CIRCUIT |
US4423282A (en) * | 1981-06-29 | 1983-12-27 | Hirosuke Suzuki | Flat cable |
DE3408145A1 (en) | 1984-03-06 | 1985-09-12 | Hagenuk GmbH, 2300 Kiel | Circuit arrangement for a microphone amplifier of a telephone subscriber station |
US4847443A (en) | 1988-06-23 | 1989-07-11 | Amphenol Corporation | Round transmission line cable |
FR2722636B1 (en) | 1994-07-15 | 1996-09-20 | Le Tourneur Gregoire | SOUND DEVICE BY ELECTRET MICROPHONE |
JPH11329092A (en) | 1998-05-20 | 1999-11-30 | Pfu Ltd | Flat cable and laying method thereof |
JP2993503B1 (en) | 1999-01-06 | 1999-12-20 | 日本電気株式会社 | Ground strip structure of flat cable |
-
2001
- 2001-12-04 KR KR10-2001-0076157A patent/KR100459565B1/en not_active IP Right Cessation
-
2002
- 2002-11-15 US US10/294,706 patent/US6934383B2/en not_active Expired - Lifetime
- 2002-11-15 AU AU2002302014A patent/AU2002302014B9/en not_active Ceased
- 2002-12-02 GB GB0227987A patent/GB2382949B/en not_active Expired - Fee Related
- 2002-12-03 JP JP2002350786A patent/JP4035036B2/en not_active Expired - Fee Related
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