BE781927A - Systeme de communication a circuit compteur - Google Patents

Systeme de communication a circuit compteur

Info

Publication number: BE781927A
Authority: BE; Belgium
Prior art keywords: communication system; counter circuit; circuit communication; counter; communication
Prior art date: 1971-04-26

Application number

BE781927A

Other languages

English (en)

Inventor

R W Dellecker

W W Greason Iii

P R Hayden

D W Weiner

Original Assignee

Western Electric Co

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.)

1971-04-26

Filing date

1972-04-11

Publication date

1972-07-31

1972-04-11 Application filed by Western Electric Co filed Critical Western Electric Co

1972-07-31 Publication of BE781927A publication Critical patent/BE781927A/fr

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
- H04Q3/54—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Sub-Exchange Stations And Push- Button Telephones (AREA)
Exchange Systems With Centralized Control (AREA)
Monitoring And Testing Of Exchanges (AREA)
Telephonic Communication Services (AREA)
Interface Circuits In Exchanges (AREA)

BE781927A 1971-04-26 1972-04-11 Systeme de communication a circuit compteur BE781927A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US13715071A	1971-04-26	1971-04-26

Publications (1)

Publication Number	Publication Date
BE781927A true BE781927A (fr)	1972-07-31

Family

ID=22476026

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE781927A BE781927A (fr)	1971-04-26	1972-04-11	Systeme de communication a circuit compteur

Country Status (13)

Country	Link
US (1)	US3723661A (fr)
JP (1)	JPS5317012B1 (fr)
AU (1)	AU445609B2 (fr)
BE (1)	BE781927A (fr)
BR (1)	BR7202270D0 (fr)
CA (1)	CA963134A (fr)
DE (1)	DE2220187A1 (fr)
ES (1)	ES401777A1 (fr)
FR (1)	FR2136346A5 (fr)
GB (1)	GB1353124A (fr)
IT (1)	IT958763B (fr)
NL (1)	NL7205327A (fr)
SE (1)	SE386561B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4140880A (en) *	1978-03-22	1979-02-20	Tele/Resources, Inc.	Hold tone scanner

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL133821C (fr) *	1964-07-31
GB1057218A (en) *	1965-10-01	1967-02-01	Standard Telephones Cables Ltd	Improvements in or relating to telephone exchanges

1971
- 1971-04-26 US US00137150A patent/US3723661A/en not_active Expired - Lifetime
- 1971-12-16 CA CA130,291A patent/CA963134A/en not_active Expired
1972
- 1972-04-07 SE SE7204533A patent/SE386561B/xx unknown
- 1972-04-07 AU AU40915/72A patent/AU445609B2/en not_active Expired
- 1972-04-11 BE BE781927A patent/BE781927A/fr unknown
- 1972-04-12 FR FR7212800A patent/FR2136346A5/fr not_active Expired
- 1972-04-15 ES ES401777A patent/ES401777A1/es not_active Expired
- 1972-04-17 BR BR002270/72A patent/BR7202270D0/pt unknown
- 1972-04-19 IT IT68230/72A patent/IT958763B/it active
- 1972-04-20 NL NL7205327A patent/NL7205327A/xx not_active Application Discontinuation
- 1972-04-21 JP JP3970172A patent/JPS5317012B1/ja active Pending
- 1972-04-25 DE DE19722220187 patent/DE2220187A1/de active Pending
- 1972-04-25 GB GB1906472A patent/GB1353124A/en not_active Expired

Also Published As

Publication number	Publication date
IT958763B (it)	1973-10-30
JPS4745109A (fr)	1972-12-23
NL7205327A (fr)	1972-10-30
GB1353124A (en)	1974-05-15
AU445609B2 (en)	1974-02-08
AU4091572A (en)	1973-10-11
SE386561B (sv)	1976-08-09
BR7202270D0 (pt)	1973-05-10
DE2220187A1 (de)	1972-11-09
ES401777A1 (es)	1975-11-01
FR2136346A5 (fr)	1972-12-22
JPS5317012B1 (fr)	1978-06-05
US3723661A (en)	1973-03-27
CA963134A (en)	1975-02-18

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