CA947852A - Switching of time division multiplex lines through telephone central offices - Google Patents

Switching of time division multiplex lines through telephone central offices

Info

Publication number: CA947852A
Authority: CA; Canada
Prior art keywords: switching; time division; division multiplex; central offices; telephone central
Prior art date: 1970-07-30
Legal status (The legal status 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 status listed.): Expired

Application number

CA104,762A

Other languages

English (en)

Other versions

CA104762S (en

Inventor

Amos E. Joel (Jr.)

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

AT&T Corp

Original Assignee

Western Electric Co Inc

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.)

1970-07-30

Filing date

1971-02-08

Publication date

1974-05-21

1971-02-08 Application filed by Western Electric Co Inc filed Critical Western Electric Co Inc

1974-05-21 Application granted granted Critical

1974-05-21 Publication of CA947852A publication Critical patent/CA947852A/en

Status Expired legal-status Critical Current

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
- H04Q11/06—Time-space-time switching

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
Data Exchanges In Wide-Area Networks (AREA)
Time-Division Multiplex Systems (AREA)

CA104,762A 1970-07-30 1971-02-08 Switching of time division multiplex lines through telephone central offices Expired CA947852A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US5953270A	1970-07-30	1970-07-30

Publications (1)

Publication Number	Publication Date
CA947852A true CA947852A (en)	1974-05-21

Family

ID=22023571

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA104,762A Expired CA947852A (en)	1970-07-30	1971-02-08	Switching of time division multiplex lines through telephone central offices

Country Status (9)

Country	Link
US (1)	US3652803A (de)
JP (1)	JPS5224809B1 (de)
BE (1)	BE770616A (de)
CA (1)	CA947852A (de)
DE (1)	DE2137923C3 (de)
FR (1)	FR2105832A5 (de)
GB (1)	GB1332387A (de)
NL (1)	NL167291C (de)
SE (1)	SE377024B (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3764998A (en) *	1972-08-04	1973-10-09	Bell & Howell Co	Methods and apparatus for removing parity bits from binary words
US3883855A (en) *	1973-09-27	1975-05-13	Stromberg Carlson Corp	Control system for a digital switching network
US3908092A (en) *	1973-12-21	1975-09-23	Bell Telephone Labor Inc	Program controlled time division switching systems
DE2511619B2 (de) *	1975-03-17	1977-03-31	Siemens AG, 1000 Berlin und 8000 München	Verfahren zur uebertragung von digitalen informationen eines pcm-zeitmultiplexfernmeldenetzes
US4022979A (en) *	1975-12-29	1977-05-10	Bell Telephone Laboratories, Incorporated	Automatic in-service digital trunk checking circuit and method
JPS5923809U (ja) *	1982-08-03	1984-02-14	株式会社フジクラ	自動車用突入電流防止回路
US4641318A (en) *	1985-04-25	1987-02-03	Bell Communications Research, Inc.	Method for improving the reliability of data transmission over Rayleigh fading channels
US5228029A (en) *	1990-02-27	1993-07-13	Motorola, Inc.	Cellular tdm communication system employing offset frame synchronization
US5268903A (en) *	1991-10-02	1993-12-07	Rockwell International Corporation	Multichannel telephonic switching network with different signaling formats and cross connect/PBX treatment selectable for each channel
US6108333A (en) *	1998-02-25	2000-08-22	Lucent Technologies Inc.	Nonblocking synchronous digital hierarchy column cross-point switch

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL274894A (de) *	1961-02-20
BE624294A (de) *	1961-11-03
US3299204A (en) *	1962-08-29	1967-01-17	Nat Res Dev	Television and like data transmission systems
US3458659A (en) *	1965-09-15	1969-07-29	New North Electric Co	Nonblocking pulse code modulation system having storage and gating means with common control

1970
- 1970-07-30 US US59532A patent/US3652803A/en not_active Expired - Lifetime
1971
- 1971-02-08 CA CA104,762A patent/CA947852A/en not_active Expired
- 1971-07-22 SE SE7109426A patent/SE377024B/xx unknown
- 1971-07-28 BE BE770616A patent/BE770616A/xx unknown
- 1971-07-29 GB GB3572571A patent/GB1332387A/en not_active Expired
- 1971-07-29 FR FR7127919A patent/FR2105832A5/fr not_active Expired
- 1971-07-29 DE DE2137923A patent/DE2137923C3/de not_active Expired
- 1971-07-29 NL NL7110479.A patent/NL167291C/xx not_active IP Right Cessation
- 1971-07-30 JP JP46056839A patent/JPS5224809B1/ja active Pending

Also Published As

Publication number	Publication date
JPS5224809B1 (de)	1977-07-04
US3652803A (en)	1972-03-28
DE2137923A1 (de)	1972-02-03
DE2137923B2 (de)	1973-04-12
SE377024B (de)	1975-06-16
NL167291C (nl)	1981-11-16
NL7110479A (de)	1972-02-01
FR2105832A5 (de)	1972-04-28
BE770616A (fr)	1971-12-01
DE2137923C3 (de)	1973-11-08
GB1332387A (en)	1973-10-03
NL167291B (nl)	1981-06-16

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