CH308152A - Circuit de poste d'abonné. - Google Patents

Circuit de poste d'abonné.

Info

Publication number: CH308152A
Authority: CH; Switzerland
Prior art keywords: subscriber station; station circuit; circuit; subscriber; station
Prior art date: 1951-04-18

Application number

Other languages

English (en)

Inventor

Telephone Et Radio S Standard

Original Assignee

Standard Telephone & Radio Sa

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.)

1951-04-18

Filing date

1952-04-26

Publication date

1955-06-30

1952-04-26 Application filed by Standard Telephone & Radio Sa filed Critical Standard Telephone & Radio Sa

1955-06-30 Publication of CH308152A publication Critical patent/CH308152A/fr

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/738—Interface circuits for coupling substations to external telephone lines
- H04M1/76—Compensating for differences in line impedance

Landscapes

Engineering & Computer Science (AREA)
Signal Processing (AREA)
Devices For Supply Of Signal Current (AREA)
Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)

CH308152D 1951-04-18 1952-04-26 Circuit de poste d'abonné. CH308152A (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
GB2775649X		1951-04-18
GB308152X		1951-04-26

Publications (1)

Publication Number	Publication Date
CH308152A true CH308152A (fr)	1955-06-30

Family

ID=32328137

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
CH315749D CH315749A (de)	1951-04-18	1952-04-17	Schaltungsanordnung für Teilnehmerfernsprechstelle
CH308152D CH308152A (fr)	1951-04-18	1952-04-26	Circuit de poste d'abonné.

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
CH315749D CH315749A (de)	1951-04-18	1952-04-17	Schaltungsanordnung für Teilnehmerfernsprechstelle

Country Status (4)

Country	Link
US (2)	US2775649A (fr)
BE (1)	BE510745A (fr)
CH (2)	CH315749A (fr)
FR (3)	FR1048760A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1188662B (de) *	1963-07-11	1965-03-11	Standard Elektrik Lorenz Ag	Ausgleichsnetzwerk fuer Fernsprech-Teilnehmerstationen
GB1050226A (fr) *	1963-11-27
JPS495644B1 (fr) *	1970-02-07	1974-02-08

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2288049A (en) *	1939-06-10	1942-06-30	Bell Telephone Labor Inc	Telephone set circuit
US2287998A (en) *	1939-06-10	1942-06-30	Bell Telephone Labor Inc	Telephone circuit
NL64921C (fr) *	1942-10-24
BE485032A (fr) *	1947-12-22
US2604543A (en) *	1950-11-09	1952-07-22	Bell Telephone Labor Inc	Equalizer circuit
BE505815A (fr) *	1950-12-27

0
- BE BE510745D patent/BE510745A/xx unknown
1951
- 1951-05-08 FR FR1048760D patent/FR1048760A/fr not_active Expired
1952
- 1952-04-14 US US282132A patent/US2775649A/en not_active Expired - Lifetime
- 1952-04-14 US US282131A patent/US2770679A/en not_active Expired - Lifetime
- 1952-04-17 CH CH315749D patent/CH315749A/de unknown
- 1952-04-17 FR FR63714D patent/FR63714E/fr not_active Expired
- 1952-04-25 FR FR63718D patent/FR63718E/fr not_active Expired
- 1952-04-26 CH CH308152D patent/CH308152A/fr unknown

Also Published As

Publication number	Publication date
CH315749A (de)	1956-08-31
BE510745A (fr)
US2770679A (en)	1956-11-13
FR1048760A (fr)	1953-12-23
US2775649A (en)	1956-12-25
FR63718E (fr)	1955-10-03
FR63714E (fr)	1955-10-03

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