IT1027146B - Unita di giunzione per interconnessione esclusiva di linee di derivazione in un sistema telefonico e simili - Google Patents

Unita di giunzione per interconnessione esclusiva di linee di derivazione in un sistema telefonico e simili

Info

Publication number: IT1027146B
Authority: IT; Italy
Prior art keywords: similar; telephone system; trunk lines; junction unit; interconnection
Prior art date: 1973-12-21

Application number

IT70715/74A

Other languages

English (en)

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.)

1973-12-21

Filing date

1974-12-20

Publication date

1978-11-20

1974-12-20 Application filed by Western Electric Co filed Critical Western Electric Co

1978-11-20 Application granted granted Critical

1978-11-20 Publication of IT1027146B publication Critical patent/IT1027146B/it

Links

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
Data Exchanges In Wide-Area Networks (AREA)
Small-Scale Networks (AREA)
Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Communication Control (AREA)
Logic Circuits (AREA)

IT70715/74A 1973-12-21 1974-12-20 Unita di giunzione per interconnessione esclusiva di linee di derivazione in un sistema telefonico e simili IT1027146B (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US427318A US3883691A (en)	1973-12-21	1973-12-21	Junction unit alternatively providing branch line broadcasting and exclusive two-branch interconnection

Publications (1)

Publication Number	Publication Date
IT1027146B true IT1027146B (it)	1978-11-20

Family

ID=23694346

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT70715/74A IT1027146B (it)	1973-12-21	1974-12-20	Unita di giunzione per interconnessione esclusiva di linee di derivazione in un sistema telefonico e simili

Country Status (12)

Country	Link
US (1)	US3883691A (it)
JP (1)	JPS5096103A (it)
BE (1)	BE823379A (it)
CA (1)	CA1012068A (it)
CH (1)	CH588200A5 (it)
DE (1)	DE2459758C3 (it)
ES (1)	ES433202A1 (it)
FR (1)	FR2255768B1 (it)
GB (1)	GB1475720A (it)
IT (1)	IT1027146B (it)
NL (1)	NL7416424A (it)
SE (1)	SE398949B (it)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3996553A (en) *	1975-05-12	1976-12-07	Western Geophysical Company Of America	Seismic data telemetering system
US4048441A (en) *	1976-07-06	1977-09-13	Bell Telephone Laboratories, Incorporated	Error control for digital multipoint circuits
US4122301A (en) *	1977-12-29	1978-10-24	Bell Telephone Laboratories, Incorporated	Selection of branch lines of multipoint junction circuits
FR2420254A1 (fr) *	1978-03-17	1979-10-12	Anvar	Procede de routage d'informations dans un reseau de transmission de donnees numeriques et dispositif et reseau pour la mise en oeuvre de ce procede
US4241330A (en) *	1978-09-28	1980-12-23	General Atomic Company	Multiple-processor digital communication system
US4231015A (en) *	1978-09-28	1980-10-28	General Atomic Company	Multiple-processor digital communication system
US4905219A (en) *	1983-09-22	1990-02-27	Aetna Life Insurance Company	Three level distributed control for networking I/O devices
JPH01141439A (ja) *	1987-11-28	1989-06-02	M Syst Giken:Kk	ネットワーク分岐装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3002053A (en) *	1959-06-09	1961-09-26	Radio Frequency Lab Inc	Multiple d.-c. repeater
US2972017A (en) *	1959-08-10	1961-02-14	Bell Telephone Labor Inc	Hub telegraph circuit
US3040131A (en) *	1960-11-01	1962-06-19	Arthur R Bruder	Conference mixer for telegraph circuits
US3331923A (en) *	1963-10-24	1967-07-18	Pioneer Electric And Res Corp	Telegraph leg disconnect device
US3435142A (en) *	1965-08-16	1969-03-25	Bell Telephone Labor Inc	Steerable regenerative repeater circuit
US3786424A (en) *	1972-02-22	1974-01-15	Coaxial Scient Corp	Communications system for data transmission and retrieval

1973
- 1973-12-21 US US427318A patent/US3883691A/en not_active Expired - Lifetime
1974
- 1974-10-28 CA CA212,438A patent/CA1012068A/en not_active Expired
- 1974-12-14 SE SE7415547A patent/SE398949B/xx unknown
- 1974-12-16 BE BE151525A patent/BE823379A/xx unknown
- 1974-12-17 NL NL7416424A patent/NL7416424A/xx not_active Application Discontinuation
- 1974-12-18 DE DE2459758A patent/DE2459758C3/de not_active Expired
- 1974-12-19 GB GB5503774A patent/GB1475720A/en not_active Expired
- 1974-12-20 CH CH1714374A patent/CH588200A5/xx not_active IP Right Cessation
- 1974-12-20 ES ES433202A patent/ES433202A1/es not_active Expired
- 1974-12-20 FR FR7442380A patent/FR2255768B1/fr not_active Expired
- 1974-12-20 IT IT70715/74A patent/IT1027146B/it active
- 1974-12-21 JP JP49146348A patent/JPS5096103A/ja active Pending

Also Published As

Publication number	Publication date
CH588200A5 (it)	1977-05-31
SE7415547L (it)	1975-06-23
CA1012068A (en)	1977-06-14
DE2459758A1 (de)	1975-06-26
JPS5096103A (it)	1975-07-31
AU7644374A (en)	1976-06-17
DE2459758C3 (de)	1980-09-18
BE823379A (fr)	1975-04-16
US3883691A (en)	1975-05-13
FR2255768A1 (it)	1975-07-18
GB1475720A (en)	1977-06-01
FR2255768B1 (it)	1981-06-19
NL7416424A (nl)	1975-06-24
SE398949B (sv)	1978-01-23
ES433202A1 (es)	1976-12-01
DE2459758B2 (de)	1980-01-24

Similar Documents

Publication	Publication Date	Title
AT325360B (de)	1975-10-27	Rohrverbindung
AT299429B (de)	1972-06-26	Pulsierend arbeitende Verbrennungseinrichtung
SE383789B (sv)	1976-03-29	Interface-anordning med tva forbindningslinjer
SE418956B (sv)	1981-07-06	Anordning for upplyftning av under vatten liggande rorledningar
IT998662B (it)	1976-02-20	Dispositivo di intercollegamento elettrico
IT1027146B (it)	1978-11-20	Unita di giunzione per interconnessione esclusiva di linee di derivazione in un sistema telefonico e simili
BE747528R (fr)	1970-08-31	Systeme d'enseignement
IT981579B (it)	1974-10-10	Procedimento di diffusione in composti semiconduttori iii v
IT990229B (it)	1975-06-20	Impianto di drenaggio per motore a due tempi
BE805836A (fr)	1974-02-01	Jonction pour tuyaux dans un manchon
CH479925A (fr)	1969-10-15	Installation téléphonique d'alarme
AT335236B (de)	1977-02-25	Rohrverbindung
IT959342B (it)	1973-11-10	Dispositivo di carotaggio sotto marino
AT335121B (de)	1977-02-25	Rohrverbindungsvorrichtung
IT951804B (it)	1973-07-10	Traslatore per linee telefoniche
SU460913A1 (ru)	1975-02-25	Проводка автомат-стана
BE813396A (fr)	1974-07-31	Bloc de jonction
SU483556A1 (ru)	1975-09-05	Быстроразъемное соединение труб
SU470572A1 (ru)	1975-05-15	Устройство дл забора воды
IT1060508B (it)	1982-08-20	Perfezionamento nei dispositivi di giunizione telefonica
IT938744B (it)	1973-02-10	Impianto balneare galleggiante
AT320362B (de)	1975-02-10	Rohrverbindung
SE384118B (sv)	1976-04-12	Linjekoncentrator for telefonvexlar
BR7306564D0 (pt)	1974-07-11	Aperfeicoamentos em sistema de centrais telefonicas jdm
BE772524A (fr)	1972-01-17	Systeme de sondage de l'opinion publique