NL176419B - TIME MULTIPLEX COMMUNICATION SYSTEM. - Google Patents

TIME MULTIPLEX COMMUNICATION SYSTEM.

Info

Publication number: NL176419B
Authority: NL; Netherlands
Prior art keywords: communication system; multiplex communication; time multiplex; time; multiplex
Prior art date: 1973-03-22

Application number

NL7403591A

Other languages

Dutch (nl)

Other versions

NL176419C (en

NL7403591A (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.)

1973-03-22

Filing date

1974-03-18

Publication date

1984-11-01

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

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

1974-03-18 Application filed by Western Electric Co filed Critical Western Electric Co

1974-09-24 Publication of NL7403591A publication Critical patent/NL7403591A/xx

1984-11-01 Publication of NL176419B publication Critical patent/NL176419B/en

1985-04-01 Application granted granted Critical

1985-04-01 Publication of NL176419C publication Critical patent/NL176419C/en

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)
Computer Networks & Wireless Communication (AREA)
Multimedia (AREA)
Signal Processing (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)

NL7403591A 1973-03-22 1974-03-18 TIME MULTIPLEX COMMUNICATION SYSTEM. NL176419C (en)

Applications Claiming Priority (2)

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

Publications (3)

Publication Number	Publication Date
NL7403591A NL7403591A (en)	1974-09-24
NL176419B true NL176419B (en)	1984-11-01
NL176419C NL176419C (en)	1985-04-01

Family

ID=26993649

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL7403591A NL176419C (en)	1973-03-22	1974-03-18	TIME MULTIPLEX 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)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FI79769C (en) *	1988-06-10	1991-01-14	Heikki Malkki	SNABBTELEFONSYSTEM SAMT FOERFARANDE FOER UPPKOPPLING I ETT SNABBTELEFONSYSTEM.
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
US3789154A (en) *	1972-12-11	1974-01-29	Bell Telephone Labor Inc	Switchhook status signaling arrangement
US3789152A (en) *	1972-12-11	1974-01-29	Bell Telephone Labor Inc	Data format converter

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

Also Published As

Publication number	Publication date
IT1009345B (en)	1976-12-10
FR2222820A1 (en)	1974-10-18
JPS541401B2 (en)	1979-01-24
NL176419C (en)	1985-04-01
NL7403591A (en)	1974-09-24
DE2413073A1 (en)	1974-10-03
GB1447693A (en)	1976-08-25
DE2413073B2 (en)	1976-09-16
FR2222820B1 (en)	1979-05-25
JPS49129410A (en)	1974-12-11
SE396685B (en)	1977-09-26

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Legal Events

Date	Code	Title
1979-11-26	BC	A request for examination has been filed
1985-01-01	A85	Still pending on 85-01-01
1994-04-18	V4	Lapsed because of reaching the maxim lifetime of a patent