IT1039912B - Soppressore d eco per un circuito di conversazione - Google Patents

Soppressore d eco per un circuito di conversazione

Info

Publication number: IT1039912B
Authority: IT; Italy
Prior art keywords: eco; suppressor; conversation circuit; conversation; circuit
Prior art date: 1974-07-24

Application number

IT25529/75A

Other languages

English (en)

Original Assignee

Siemens Ag

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.)

1974-07-24

Filing date

1975-07-18

Publication date

1979-12-10

1974-07-24 Priority claimed from DE19742435607 external-priority patent/DE2435607C3/de

1975-07-18 Application filed by Siemens Ag filed Critical Siemens Ag

1979-12-10 Application granted granted Critical

1979-12-10 Publication of IT1039912B publication Critical patent/IT1039912B/it

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

Landscapes

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

IT25529/75A 1974-07-24 1975-07-18 Soppressore d eco per un circuito di conversazione IT1039912B (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19742435607 DE2435607C3 (de)		1974-07-24	Echosperre

Publications (1)

Publication Number	Publication Date
IT1039912B true IT1039912B (it)	1979-12-10

Family

ID=5921407

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT25529/75A IT1039912B (it)	1974-07-24	1975-07-18	Soppressore d eco per un circuito di conversazione

Country Status (10)

Country	Link
JP (1)	JPS5433087B2 (it)
AU (1)	AU471927B2 (it)
ES (1)	ES439673A1 (it)
FR (1)	FR2280262A1 (it)
GB (1)	GB1510162A (it)
IL (1)	IL47682A (it)
IT (1)	IT1039912B (it)
NL (1)	NL7508871A (it)
SE (1)	SE7508385L (it)
ZA (1)	ZA754467B (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3942116A (en) *	1975-03-13	1976-03-02	California Microwave, Inc.	Transceiver having improved voice actuated carrier and echo suppression circuit
JPS6050092B2 (ja) *	1977-11-08	1985-11-06	ケイディディ株式会社	適応制御型反響阻止装置
DE2967644D1 (en) *	1979-09-17	1987-01-29	Eci Telecom Ltd	Apparatus for use in telephone communication

1975
- 1975-06-27 GB GB27285/75A patent/GB1510162A/en not_active Expired
- 1975-07-10 AU AU82907/75A patent/AU471927B2/en not_active Expired
- 1975-07-10 IL IL47682A patent/IL47682A/en unknown
- 1975-07-11 ZA ZA00754467A patent/ZA754467B/xx unknown
- 1975-07-18 IT IT25529/75A patent/IT1039912B/it active
- 1975-07-18 FR FR7522547A patent/FR2280262A1/fr active Granted
- 1975-07-23 SE SE7508385A patent/SE7508385L/xx unknown
- 1975-07-23 ES ES439673A patent/ES439673A1/es not_active Expired
- 1975-07-24 NL NL7508871A patent/NL7508871A/xx unknown
- 1975-07-24 JP JP9068175A patent/JPS5433087B2/ja not_active Expired

Also Published As

Publication number	Publication date
FR2280262B1 (it)	1979-06-15
IL47682A (en)	1977-07-31
AU8290775A (en)	1976-05-06
ES439673A1 (es)	1977-03-01
SE7508385L (sv)	1976-01-26
JPS5433087B2 (it)	1979-10-18
ZA754467B (en)	1976-06-30
IL47682A0 (en)	1975-10-15
GB1510162A (en)	1978-05-10
DE2435607A1 (de)	1976-02-05
FR2280262A1 (fr)	1976-02-20
NL7508871A (nl)	1976-01-27
DE2435607B2 (de)	1976-05-20
AU471927B2 (en)	1976-05-06
JPS5136806A (it)	1976-03-27

Similar Documents

Publication	Publication Date	Title
IT1051463B (it)	1981-04-21	Impianto di telecomunicazione
SE7505900L (sv)	1975-11-25	Ekoelimineringsanordning vid ett telefonnet
SE391067B (sv)	1977-01-31	Linjeskyddsdon for en kommunikationskrets
LU88312I2 (de)	1994-09-09	Tenoxicam (Tilcotil / Alganex)
IT1049579B (it)	1981-02-10	Dispositivo per la terminazione di un circuito
IT1035735B (it)	1979-10-20	Apparecchio di proiezione per apparecchiature di copiatura
IT1048649B (it)	1980-12-20	Circuito di silenziamento
AT329375B (de)	1976-05-10	Kamera
IT1043435B (it)	1980-02-20	Additivi per lubrificanti
NL7402575A (nl)	1975-08-28	Elektronisch telefoontoestel.
ES212735Y (es)	1976-11-01	Un disyuntor.
NL7502268A (nl)	1975-09-08	Versterkingsinrichting voor telefoontoestellen.
IT1034648B (it)	1979-10-10	Impianto telefonico a tastiera
IT1026431B (it)	1978-09-20	Sistema di telefonia elettronica a commutazione temporale
IT1038483B (it)	1979-11-20	Suoneria elettronica per apparecchi telefonici
IT1042638B (it)	1980-01-30	Disposizione circuitale per un convestitore a specuenza inter fria
IT1041872B (it)	1980-01-10	Apparecchio telefonico
IT1039912B (it)	1979-12-10	Soppressore d eco per un circuito di conversazione
SE7506165L (sv)	1975-12-02	Drivsystem for elektronisk taxameter
IT1033884B (it)	1979-08-10	Apparecchio di retroproiezione
DK145368C (da)	1983-04-11	Findelingsmaskine
IT1049078B (it)	1981-01-20	Dispositivo di connessione a innesto
DK140967B (da)	1979-12-10	Telekommunikationsanlaeg
SE409537B (sv)	1979-08-20	Telefonapparatsystem
IT1037869B (it)	1979-11-20	Circuito di segnalazione a due livelli