SE396685B - TIME SHARED COMMUNICATION SYSTEM - Google Patents

TIME SHARED COMMUNICATION SYSTEM

Info

Publication number: SE396685B
Authority: SE; Sweden
Prior art keywords: communication system; shared communication; time shared; time; shared
Prior art date: 1973-03-22

Application number

SE7402473A

Other languages

Swedish (sv)

Inventor

T G Lewis

D G Medill

P A Vachon

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.)

1973-03-22

Filing date

1974-02-25

Publication date

1977-09-26

1973-03-22 Priority claimed from US00343824A external-priority patent/US3835259A/en

1973-03-22 Priority claimed from US00343825A external-priority patent/US3828146A/en

1974-02-25 Application filed by Western Electric Co filed Critical Western Electric Co

1977-09-26 Publication of SE396685B publication Critical patent/SE396685B/en

Links

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
- H04M3/561—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities by multiplexing

Landscapes

Engineering & Computer Science (AREA)
Multimedia (AREA)
Signal Processing (AREA)
Computer Networks & Wireless Communication (AREA)
Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
Interface Circuits In Exchanges (AREA)
Interconnected Communication Systems, Intercoms, And Interphones (AREA)

SE7402473A 1973-03-22 1974-02-25 TIME SHARED COMMUNICATION SYSTEM SE396685B (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US00343824A US3835259A (en)	1973-03-22	1973-03-22	Time division conference hybrid circuit
US00343825A US3828146A (en)	1973-03-22	1973-03-22	Time division conference hybrid circuit

Publications (1)

Publication Number	Publication Date
SE396685B true SE396685B (en)	1977-09-26

Family

ID=26993649

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE7402473A SE396685B (en)	1973-03-22	1974-02-25	TIME SHARED COMMUNICATION SYSTEM

Country Status (6)

Country	Link
JP (1)	JPS541401B2 (en)
FR (1)	FR2222820B1 (en)
GB (1)	GB1447693A (en)
IT (1)	IT1009345B (en)
NL (1)	NL176419C (en)
SE (1)	SE396685B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5027347A (en) *	1988-06-10	1991-06-25	Heikki Malkki	Intercom system

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH02218290A (en) *	1989-02-17	1990-08-30	Nec Corp	Digital exchange

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3787631A (en) *	1972-12-11	1974-01-22	Bell Telephone Labor Inc	Time slot number compensating arrangement
US3789152A (en) *	1972-12-11	1974-01-29	Bell Telephone Labor Inc	Data format converter
US3789154A (en) *	1972-12-11	1974-01-29	Bell Telephone Labor Inc	Switchhook status signaling arrangement

1974
- 1974-02-25 SE SE7402473A patent/SE396685B/en not_active IP Right Cessation
- 1974-03-12 GB GB1091574A patent/GB1447693A/en not_active Expired
- 1974-03-18 NL NL7403591A patent/NL176419C/en not_active IP Right Cessation
- 1974-03-20 IT IT6786574A patent/IT1009345B/en active
- 1974-03-21 FR FR7409660A patent/FR2222820B1/fr not_active Expired
- 1974-03-22 JP JP3164674A patent/JPS541401B2/ja not_active Expired

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5027347A (en) *	1988-06-10	1991-06-25	Heikki Malkki	Intercom system

Also Published As

Publication number	Publication date
DE2413073A1 (en)	1974-10-03
NL176419B (en)	1984-11-01
FR2222820B1 (en)	1979-05-25
NL176419C (en)	1985-04-01
FR2222820A1 (en)	1974-10-18
JPS541401B2 (en)	1979-01-24
JPS49129410A (en)	1974-12-11
IT1009345B (en)	1976-12-10
DE2413073B2 (en)	1976-09-16
NL7403591A (en)	1974-09-24
GB1447693A (en)	1976-08-25

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Legal Events

Date

Code

Title

Description

1995-01-31

NUG

Patent has lapsed

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