DE68900050D1 - Integrierte schaltung fuer telefonapparat mit signalhuellkurvendetektor. - Google Patents

Integrierte schaltung fuer telefonapparat mit signalhuellkurvendetektor.

Info

Publication number: DE68900050D1
Authority: DE; Germany
Prior art keywords: signal; integrated circuit; telephone apparatus; curve detector; signal curve
Prior art date: 1988-09-16
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 - Lifetime

Application number

DE8989402444T

Other languages

English (en)

Inventor

Jean Nicolai

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.)

STMicroelectronics SA

STMicroelectronics lnc USA

Original Assignee

SGS Thomson Microelectronics SA

SGS Thomson Microelectronics Inc

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.)

1988-09-16

Filing date

1989-09-07

Publication date

1991-05-02

1989-09-07 Application filed by SGS Thomson Microelectronics SA, SGS Thomson Microelectronics Inc filed Critical SGS Thomson Microelectronics SA

1991-05-02 Application granted granted Critical

1991-05-02 Publication of DE68900050D1 publication Critical patent/DE68900050D1/de

2009-09-08 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic
- H04M9/085—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic using digital techniques
- 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
- H04M1/6025—Substation equipment, e.g. for use by subscribers including speech amplifiers implemented as integrated speech networks

Landscapes

Engineering & Computer Science (AREA)
Signal Processing (AREA)
Noise Elimination (AREA)
Control Of Amplification And Gain Control (AREA)
Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)

DE8989402444T 1988-09-16 1989-09-07 Integrierte schaltung fuer telefonapparat mit signalhuellkurvendetektor. Expired - Lifetime DE68900050D1 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR8812117A FR2636797B1 (fr)	1988-09-16	1988-09-16	Circuit integre pour poste telephonique avec detecteur d'enveloppe de signal

Publications (1)

Publication Number	Publication Date
DE68900050D1 true DE68900050D1 (de)	1991-05-02

Family

ID=9370076

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE8989402444T Expired - Lifetime DE68900050D1 (de)	1988-09-16	1989-09-07	Integrierte schaltung fuer telefonapparat mit signalhuellkurvendetektor.

Country Status (5)

Country	Link
US (1)	US4982427A (de)
EP (1)	EP0364312B1 (de)
JP (1)	JP3012905B2 (de)
DE (1)	DE68900050D1 (de)
FR (1)	FR2636797B1 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2804114B2 (ja) *	1989-09-12	1998-09-24	株式会社東芝	ボタン電話装置
FR2656940A1 (fr) *	1990-01-09	1991-07-12	Sgs Thomson Microelectronics	Circuit integre a microprocesseur fonctionnant en mode rom interne et eprom externe.
FR2662874B1 (fr) *	1990-05-30	1992-08-07	Sgs Thomson Microelectronics	Circuit integre avec broche de detection de mode.
FR2665807B1 (fr) *	1990-08-08	1994-06-03	Alcatel Business Systems	Appareil telephonique "main libre".
US5075687A (en) *	1990-09-27	1991-12-24	Advanced Micro Devices, Inc.	Echo suppression with both digital and analog variable attenuators
DE4119963A1 (de) *	1991-06-18	1992-12-24	Philips Patentverwaltung	Echokompensator
DE4130045A1 (de) *	1991-09-10	1993-03-18	Standard Elektrik Lorenz Ag	Schaltungsanordnung zur dynamiksteuerung eines sprachendgeraetes
US5867573A (en) *	1996-02-06	1999-02-02	Lucent Technologies Inc.	Telephone handset interface with feedback control
US5836009A (en) *	1996-05-24	1998-11-10	Cidco Incorporated	Caller ID telephone with signal attenuation
US5864793A (en) *	1996-08-06	1999-01-26	Cirrus Logic, Inc.	Persistence and dynamic threshold based intermittent signal detector
US6097776A (en) *	1998-02-12	2000-08-01	Cirrus Logic, Inc.	Maximum likelihood estimation of symbol offset
US6252528B1 (en) *	1999-08-20	2001-06-26	Conexant Systems, Inc.	System and method for variable gain coder-decoder
GB2369189C (en) *	2000-02-18	2008-06-24	Sensei Ltd	Method of measuring the battery level in a mobile telephone
DE10120525A1 (de)	2001-04-26	2002-11-07	Harman Audio Electronic Sys	Schaltungsanordnung zur Audiowiedergabe und zum Freisprechen in einem Kraftfahrzeug
DE10250613B4 (de) *	2002-10-30	2007-02-08	Advanced Micro Devices, Inc., Sunnyvale	Integrierter RF-Signalpegeldetektor, der für die automatische Leistungspegelsteuerung verwendbar ist
US8254590B2 (en) *	2009-04-29	2012-08-28	Dolby Laboratories Licensing Corporation	System and method for intelligibility enhancement of audio information
KR102186072B1 (ko) *	2013-12-20	2020-12-04	세메스 주식회사	플라즈마 발생 장치, 그를 포함하는 기판 처리 장치, 및 플라즈마 발생 방법

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5797262A (en) *	1980-12-09	1982-06-16	Nippon Telegr & Teleph Corp <Ntt>	Loud speaker telephone set system
GB2122851B (en) *	1982-06-10	1986-03-19	Standard Telephones Cables Ltd	Loudspeaking telephones
GB2137458B (en) *	1983-03-01	1986-11-19	Standard Telephones Cables Ltd	Digital handsfree telephone
CA1233925A (en) *	1985-05-10	1988-03-08	Gordon J. Reesor	Digital loudspeaking telephone
NL8603171A (nl) *	1986-12-12	1988-07-01	Nederlanden Staat	Inrichting voor het afgeven van een met maxima of minima van een variabel ingangssignaal overeenkomend uitgangssignaal.

1988
- 1988-09-16 FR FR8812117A patent/FR2636797B1/fr not_active Expired - Lifetime
1989
- 1989-09-07 DE DE8989402444T patent/DE68900050D1/de not_active Expired - Lifetime
- 1989-09-07 EP EP89402444A patent/EP0364312B1/de not_active Expired - Lifetime
- 1989-09-12 US US07/406,155 patent/US4982427A/en not_active Expired - Lifetime
- 1989-09-16 JP JP1240487A patent/JP3012905B2/ja not_active Expired - Lifetime

Also Published As

Publication number	Publication date
JPH02114749A (ja)	1990-04-26
EP0364312B1 (de)	1991-03-27
US4982427A (en)	1991-01-01
EP0364312A1 (de)	1990-04-18
FR2636797B1 (fr)	1990-11-09
FR2636797A1 (fr)	1990-03-23
JP3012905B2 (ja)	2000-02-28

Publication	Publication Date	Title
DE68921269D1 (de)	1995-03-30	Integrierte Prüfschaltung.
FI910292L (fi)	1991-07-19	Signalbehandlingsanordning.
DE58902531D1 (de)	1992-12-03	Fuellstandsmessgeraet.
DE68915411D1 (de)	1994-06-23	Unterdruck-Messvorrichtung.
DE3888168D1 (de)	1994-04-07	Detektorvorrichtung.
DE68900050D1 (de)	1991-05-02	Integrierte schaltung fuer telefonapparat mit signalhuellkurvendetektor.
DE68920005D1 (de)	1995-01-26	Signalverarbeitungseinrichtung.
DE3878822D1 (de)	1993-04-08	Signalerkennungseinrichtung mit hoher impedanz.
DE3879813D1 (de)	1993-05-06	Integrierte halbleiterschaltung mit signallinien.
DE68922829D1 (de)	1995-06-29	Bildsignalverarbeitungsvorrichtung.
DE69013084D1 (de)	1994-11-10	Signalquellenschaltung.
DE3784793D1 (de)	1993-04-22	Integrierte schaltung mit verbesserter schutzvorrichtung.
DE3860705D1 (de)	1990-10-31	Erkennungsschaltung fuer binaersignalzustandswechsel.
DE58909423D1 (de)	1995-10-12	Messwertgeber-Fehlererkennungsschaltung.
DE68908785D1 (de)	1993-10-07	Vakuummessgerät.
DE68924802D1 (de)	1995-12-21	Testvorrichtung mit gradientreguliertem lokalisiertem Signal.
DE68913743D1 (de)	1994-04-14	Detektorschaltung.
DE3862479D1 (de)	1991-05-29	Einrichtung mit elektronikschaltung fuer analogsignalverarbeitung.
DE58909167D1 (de)	1995-05-11	Elektronisches gerät.
DE68915683D1 (de)	1994-07-07	Elektronisches Gerät mit kleinen Abmessungen.
DE69106713D1 (de)	1995-02-23	Detektorschaltung.
DE68901989D1 (de)	1992-08-13	Elektronische regen-erkennungsvorrichtung.
DE69130079D1 (de)	1998-10-08	Datenverarbeitungsvorrichtung mit Prüfschaltung
DE69000868D1 (de)	1993-03-18	Detektorschaltung.
DE3852718D1 (de)	1995-02-23	Signalerkennungsschaltung.

Legal Events

Date	Code	Title	Description
1992-04-23	8364	No opposition during term of opposition
2002-09-26	8339	Ceased/non-payment of the annual fee