IT7820570A0 - Impianto telefonico a comando elettronico con matrici di accoppiamento per prolungare i canali telefonici e per inserire i segnali fonici, che presentano punti di accoppiamento elettronici, ai quali sono associati complessi di tenuta. - Google Patents

Impianto telefonico a comando elettronico con matrici di accoppiamento per prolungare i canali telefonici e per inserire i segnali fonici, che presentano punti di accoppiamento elettronici, ai quali sono associati complessi di tenuta.

Info

Publication number: IT7820570A0
Authority: IT; Italy
Prior art keywords: insert; extend; coupling; electronically controlled; present electronic
Prior art date: 1977-03-01

Application number

IT7820570A

Other languages

English (en)

Other versions

IT1092822B (it

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.)

1977-03-01

Filing date

1978-02-24

Publication date

1978-02-24

1978-02-24 Application filed by Siemens Ag filed Critical Siemens Ag

1978-02-24 Publication of IT7820570A0 publication Critical patent/IT7820570A0/it

1985-07-12 Application granted granted Critical

1985-07-12 Publication of IT1092822B publication Critical patent/IT1092822B/it

Links

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
- H04Q3/545—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised using a stored program
- H04Q3/54541—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised using a stored program using multi-processor systems
- H04Q3/5455—Multi-processor, parallelism, distributed systems

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Sub-Exchange Stations And Push- Button Telephones (AREA)
Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
Exchange Systems With Centralized Control (AREA)
Interconnected Communication Systems, Intercoms, And Interphones (AREA)

IT20570/78A 1977-03-01 1978-02-24 Accoppiamento per prolungare i canali telefonici e per inserire i segnali fonici,che presentano punti di accoppiamento elettronici,ai quali sono associati complessi di tenutaimpianto telefonico a comando elettronico con matrici di 0 IT1092822B (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US05/773,311 US4105873A (en)	1977-03-01	1977-03-01	Electronic telephone switching system comprising a speech path switching matrix and tone-connecting switching matrix and employing electronic crosspoint switches

Publications (2)

Publication Number	Publication Date
IT7820570A0 true IT7820570A0 (it)	1978-02-24
IT1092822B IT1092822B (it)	1985-07-12

Family

ID=25097838

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT20570/78A IT1092822B (it)	1977-03-01	1978-02-24	Accoppiamento per prolungare i canali telefonici e per inserire i segnali fonici,che presentano punti di accoppiamento elettronici,ai quali sono associati complessi di tenutaimpianto telefonico a comando elettronico con matrici di 0

Country Status (10)

Country	Link
US (1)	US4105873A (it)
JP (1)	JPS53117917A (it)
CA (1)	CA1106949A (it)
CH (1)	CH626212A5 (it)
DE (1)	DE2743623C3 (it)
FR (1)	FR2382816B1 (it)
GB (1)	GB1594391A (it)
IT (1)	IT1092822B (it)
NL (1)	NL7802198A (it)
SE (1)	SE7802275L (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA1244541A (en) *	1985-11-07	1988-11-08	Gerald Molnar	Communication system having separate unidirectional information signalling
US4719413A (en) *	1986-10-30	1988-01-12	Rca Corporation	RF crosspoint tester

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3806658A (en) *	1972-10-30	1974-04-23	Bell Telephone Labor Inc	Common controlled equalization system

1977
- 1977-03-01 US US05/773,311 patent/US4105873A/en not_active Expired - Lifetime
- 1977-09-28 DE DE2743623A patent/DE2743623C3/de not_active Expired
1978
- 1978-02-16 CH CH169278A patent/CH626212A5/de not_active IP Right Cessation
- 1978-02-24 IT IT20570/78A patent/IT1092822B/it active
- 1978-02-28 NL NL7802198A patent/NL7802198A/xx not_active Application Discontinuation
- 1978-02-28 SE SE7802275A patent/SE7802275L/xx unknown
- 1978-02-28 CA CA297,899A patent/CA1106949A/en not_active Expired
- 1978-02-28 JP JP2274478A patent/JPS53117917A/ja active Pending
- 1978-02-28 FR FR7805698A patent/FR2382816B1/fr not_active Expired
- 1978-03-01 GB GB8074/78A patent/GB1594391A/en not_active Expired

Also Published As

Publication number	Publication date
JPS53117917A (en)	1978-10-14
CA1106949A (en)	1981-08-11
DE2743623C3 (de)	1980-08-14
DE2743623B2 (de)	1979-12-06
CH626212A5 (it)	1981-10-30
FR2382816B1 (fr)	1986-11-07
DE2743623A1 (de)	1978-09-07
US4105873A (en)	1978-08-08
SE7802275L (sv)	1978-09-02
IT1092822B (it)	1985-07-12
FR2382816A1 (fr)	1978-09-29
NL7802198A (nl)	1978-09-05
GB1594391A (en)	1981-07-30

Similar Documents

Publication	Publication Date	Title
AT333865B (de)	1976-12-10	Am ohr zu tragende, richtungsempfindliche horhilfe
NL191374B (nl)	1995-01-16	Communicatiesysteem met een communicatiebus.
NO781913L (no)	1978-12-05	Hoeyttaler.
NL7812136A (nl)	1979-06-18	Telefoonpost met luidspreker.
CA1024279A (en)	1978-01-10	Electronic time-division-multiplexed pabx telephone system
NL7811872A (nl)	1979-06-22	Kraanhaak met verschillende standen.
NL7505563A (nl)	1975-12-01	Kommunikatiestelsel en -inrichting met p.c.m.-gecodeerde signalen.
NL190212C (nl)	1993-12-01	Antennestelsel met modulair koppelnetwerk.
IT7820572A0 (it)	1978-02-24	Impianto telefonico a comando elettronico con matrici di accoppiamento per prolungare i canali telefonici e per inserire i segnali fonici, che presentano punti di accoppiamento elettronici.
FI800969A7 (fi)	1981-01-01	Puhelinta käyttävä lähetin hälytyksiä varten.
IT7820570A0 (it)	1978-02-24	Impianto telefonico a comando elettronico con matrici di accoppiamento per prolungare i canali telefonici e per inserire i segnali fonici, che presentano punti di accoppiamento elettronici, ai quali sono associati complessi di tenuta.
CA1030843A (en)	1978-05-09	Hydraulic load-sensing system
AU503258B1 (en)	1979-08-30	Recognition oft. v. signals
NL7808619A (nl)	1979-02-26	Tijdmultiplex-schakelstelsel, in het bijzonder pcm-te- lefoonschakelstelsel met dubbel aangebrachte koppel- veldinrichtingen.
IT7827646A0 (it)	1978-09-14	Impianto di comunicazione sonora.
NL186613C (nl)	1991-01-02	Luidsprekersysteem.
BE858332A (fr)	1978-01-02	Systeme telephoniques a lignes partagees
IT7883641A0 (it)	1978-12-14	Impianto elettrico di trasmissione, particolarmente impianto di fonocomunicazione reciproca o impianto interfonico o altoparlante.
JPS5340203A (en)	1978-04-12	Charging pulse transmission system
AU525240B2 (en)	1982-10-28	Telephone security system
JPS5438705A (en)	1979-03-23	Data transmission system
JPS5340204A (en)	1978-04-12	Charging pulse transmission system
AU504147B2 (en)	1979-10-04	Optically-coupled telephone lines
NL7806866A (nl)	1979-01-03	Schakeling in een transmissiestelsel met deltamodula- tie.
CA891142A (en)	1972-01-18	Electronic telephone exchange based on the time division principle