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
CA947852A CA104,762A CA104762A CA947852A CA 947852 A CA947852 A CA 947852A CA 104762 A CA104762 A CA 104762A CA 947852 A CA947852 A CA 947852A
Authority
CA
Canada
Prior art keywords
switching
time division
division multiplex
central offices
telephone central
Prior art date
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.)
Filing date
Publication date
Application filed by Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of CA947852A publication Critical patent/CA947852A/en
Expired legal-status Critical Current

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
    • 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)
  • Time-Division Multiplex Systems (AREA)
  • Data Exchanges In Wide-Area Networks (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
BE624489A (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

Also Published As

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

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