FR2275098B1 - - Google Patents

Info

Publication number: FR2275098B1
Authority: FR; France
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

Application number

FR7420361A

Other languages

Other versions

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.)

Nokia Inc

Original Assignee

Nokia 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.)

1974-06-12

Filing date

1974-06-12

Publication date

1977-03-11

1974-06-12 Application filed by Nokia Inc filed Critical Nokia Inc

1974-06-12 Priority to FR7420361A priority Critical patent/FR2275098A1/fr

1976-01-09 Publication of FR2275098A1 publication Critical patent/FR2275098A1/fr

1977-03-11 Application granted granted Critical

1977-03-11 Publication of FR2275098B1 publication Critical patent/FR2275098B1/fr

Status Granted legal-status Critical Current

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/22—Arrangements for supervision, monitoring or testing
- H04M3/2272—Subscriber line supervision circuits, e.g. call detection circuits

Landscapes

Engineering & Computer Science (AREA)
Signal Processing (AREA)
Interface Circuits In Exchanges (AREA)

FR7420361A 1974-06-12 1974-06-12 Detecteur de signaux Granted FR2275098A1 (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
FR7420361A FR2275098A1 (fr)	1974-06-12	1974-06-12	Detecteur de signaux

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR7420361A FR2275098A1 (fr)	1974-06-12	1974-06-12	Detecteur de signaux

Publications (2)

Publication Number	Publication Date
FR2275098A1 FR2275098A1 (fr)	1976-01-09
FR2275098B1 true FR2275098B1 (xx)	1977-03-11

Family

ID=9139956

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR7420361A Granted FR2275098A1 (fr)	1974-06-12	1974-06-12	Detecteur de signaux

Country Status (1)

Country	Link
FR (1)	FR2275098A1 (xx)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3014187C2 (de) *	1980-04-14	1983-11-17	Nixdorf Computer Ag, 4790 Paderborn	Schaltungsanordnung zum zweidrähtigen Anschluß eines Fernsprechteilnehmers an je eine Leitung für angehende und ankommende Signale

1974
- 1974-06-12 FR FR7420361A patent/FR2275098A1/fr active Granted

Also Published As

Publication number	Publication date
FR2275098A1 (fr)	1976-01-09

Publication	Publication Date	Title
DK4375A (xx)	1975-10-20
AU6717074A (xx)	1975-10-02
FI124774A (xx)	1975-10-25
BG20715A1 (xx)	1975-12-20
BG19959A1 (xx)	1975-10-30
AU480994A (xx)	1975-08-21
BE332773A (xx)
BE827113A (xx)	1975-07-16
BG19703A1 (xx)	1975-10-10
BG19725A1 (xx)	1977-05-20
BG19756A1 (xx)	1975-10-10
BG19852A1 (xx)	1975-10-30
BG19878A1 (xx)	1975-10-30
BG19893A1 (xx)	1975-10-30
BG19899A1 (xx)	1975-10-30
BG20742A1 (xx)	1975-12-20
BG19990A1 (xx)	1977-05-20
BG20018A1 (xx)	1975-10-30
BG20164A1 (xx)	1975-11-05
BG20457A1 (xx)	1975-12-05
BG20462A1 (xx)	1975-12-05
BG20483A1 (xx)	1975-12-05
BG20509A1 (xx)	1975-12-05
BG20518A1 (xx)	1975-12-05
AU479969A (xx)	1975-12-04

Legal Events

Date	Code	Title	Description
1982-04-23	ST	Notification of lapse