JPS4839108A - - Google Patents

Info

Publication number: JPS4839108A
Authority: JP; Japan
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.): Pending

Application number

JP47094435A

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.)

1971-09-20

Filing date

1972-09-20

Publication date

1973-06-08

1972-09-20 Application filed filed Critical

1973-06-08 Publication of JPS4839108A publication Critical patent/JPS4839108A/ja

Status Pending legal-status Critical Current

Links

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other
- H04B3/23—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other using a replica of transmitted signal in the time domain, e.g. echo cancellers

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)

JP47094435A 1971-09-20 1972-09-20 Pending JPS4839108A (ja)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US18177971A	1971-09-20	1971-09-20

Publications (1)

Publication Number	Publication Date
JPS4839108A true JPS4839108A (ja)	1973-06-08

Family

ID=22665762

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP47094435A Pending JPS4839108A (ja)	1971-09-20	1972-09-20

Country Status (9)

Country	Link
US (1)	US3780233A (ja)
JP (1)	JPS4839108A (ja)
CA (1)	CA959983A (ja)
DE (1)	DE2245542A1 (ja)
FR (1)	FR2153340B1 (ja)
GB (1)	GB1361739A (ja)
IT (1)	IT975018B (ja)
NL (1)	NL7212368A (ja)
SE (1)	SE382897B (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5028914A (ja) *	1973-07-14	1975-03-24
WO2001015333A1 (fr) *	1999-08-20	2001-03-01	Micro M's Inc.	Circuit de conversion deux fils/quatre fils pour dispositif de communication

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS535008B2 (ja) *	1972-05-15	1978-02-23
FR2272544B1 (ja) *	1974-05-24	1977-03-11	Cit Alcatel
FR2517906A1 (fr) *	1981-12-03	1983-06-10	Centre Nat Rech Scient	Annulateur d'echo a commande automatique de gain pour systemes de transmission
US4542265A (en) *	1983-05-20	1985-09-17	Gte Lenkurt Incorporated	Echo canceller dynamic range extension
FR2569322B1 (fr) *	1984-08-17	1986-12-05	Trt Telecom Radio Electr	Annuleur d'echo utilisant la modulation delta
GB2213686A (en) *	1987-12-09	1989-08-16	Racal Communications Equip	Radio telephone terminal unit
US5157653A (en) *	1990-08-03	1992-10-20	Coherent Communications Systems Corp.	Residual echo elimination with proportionate noise injection
US6028929A (en) *	1997-11-14	2000-02-22	Tellabs Operations, Inc.	Echo canceller employing dual-H architecture having improved non-linear echo path detection
DE19815942A1 (de) *	1998-04-09	1999-10-14	Cit Alcatel	Vielkanal-Echocanceller mit Compander

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2825764A (en) *	1954-02-24	1958-03-04	Bell Telephone Labor Inc	Cross-control compandor used as echo suppressors
US3500000A (en) *	1966-10-31	1970-03-10	Myldred P Kelly	Self-adaptive echo canceller

1971
- 1971-09-20 US US00181779A patent/US3780233A/en not_active Expired - Lifetime
1972
- 1972-09-05 CA CA150,884A patent/CA959983A/en not_active Expired
- 1972-09-12 NL NL7212368A patent/NL7212368A/xx not_active Application Discontinuation
- 1972-09-16 DE DE2245542A patent/DE2245542A1/de not_active Ceased
- 1972-09-19 IT IT69956/72A patent/IT975018B/it active
- 1972-09-20 FR FR7233313A patent/FR2153340B1/fr not_active Expired
- 1972-09-20 SE SE7212141A patent/SE382897B/xx unknown
- 1972-09-20 GB GB4364372A patent/GB1361739A/en not_active Expired
- 1972-09-20 JP JP47094435A patent/JPS4839108A/ja active Pending

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5028914A (ja) *	1973-07-14	1975-03-24
WO2001015333A1 (fr) *	1999-08-20	2001-03-01	Micro M's Inc.	Circuit de conversion deux fils/quatre fils pour dispositif de communication

Also Published As

Publication number	Publication date
US3780233A (en)	1973-12-18
IT975018B (it)	1974-07-20
DE2245542A1 (de)	1973-03-29
SE382897B (sv)	1976-02-16
NL7212368A (ja)	1973-03-22
CA959983A (en)	1974-12-24
FR2153340A1 (ja)	1973-05-04
FR2153340B1 (ja)	1976-10-29
GB1361739A (en)	1974-07-30

Publication	Publication Date	Title
ATA136472A (ja)	1973-12-15
FR2153340B1 (ja)	1976-10-29
BE778498A (ja)	1972-02-15
AR196074A1 (ja)	1973-11-30
AU2658571A (ja)	1972-09-21
AU2952271A (ja)	1972-12-07
AU2564071A (ja)	1972-08-24
AU2941471A (ja)	1972-11-30
AU2485671A (ja)	1972-08-03
AU2894671A (ja)	1972-11-23
AU3005371A (ja)	1972-12-21
AU2473671A (ja)	1972-08-03
AR202997Q (ja)	1975-08-08
AU2930871A (ja)	1972-11-30
AU2938071A (ja)	1972-11-30
AR199640Q (ja)	1974-09-23
AU2940971A (ja)	1972-11-30
AU2486471A (ja)	1972-08-03
AU2907471A (ja)	1972-11-23
AU2885171A (ja)	1972-11-16
AU2503871A (ja)	1972-08-10
AU2963771A (ja)	1972-12-07
AU2927871A (ja)	1972-11-30
AU2654071A (ja)	1972-09-21
AU2456871A (ja)	1972-08-17

JPS4839108A - - Google Patents

Info

Links

Classifications

Landscapes

Applications Claiming Priority (1)

Publications (1)

Family

ID=22665762

Family Applications (1)

Country Status (9)

Cited By (2)

Families Citing this family (9)

Family Cites Families (2)

Cited By (2)

Also Published As

Similar Documents