FR2118676A5 - - Google Patents

Info

Publication number
FR2118676A5
FR2118676A5 FR7145156A FR7145156A FR2118676A5 FR 2118676 A5 FR2118676 A5 FR 2118676A5 FR 7145156 A FR7145156 A FR 7145156A FR 7145156 A FR7145156 A FR 7145156A FR 2118676 A5 FR2118676 A5 FR 2118676A5
Authority
FR
France
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
FR7145156A
Other languages
French (fr)
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 FR2118676A5 publication Critical patent/FR2118676A5/fr
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q3/00Selecting arrangements
    • H04Q3/42Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
    • H04Q3/54Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Exchange Systems With Centralized Control (AREA)
FR7145156A 1970-12-16 1971-12-15 Expired FR2118676A5 (2)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US9880170A 1970-12-16 1970-12-16

Publications (1)

Publication Number Publication Date
FR2118676A5 true FR2118676A5 (2) 1972-07-28

Family

ID=22270961

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7145156A Expired FR2118676A5 (2) 1970-12-16 1971-12-15

Country Status (7)

Country Link
US (1) US3731000A (2)
JP (1) JPS4712851A (2)
BE (1) BE776636A (2)
CA (1) CA953810A (2)
DE (1) DE2161989A1 (2)
FR (1) FR2118676A5 (2)
GB (1) GB1360477A (2)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4007339A (en) * 1975-11-28 1977-02-08 Bell Telephone Laboratories, Incorporated Arrangement serving operator assistance calls requiring routing back to originating offices
US4160129A (en) * 1977-05-03 1979-07-03 Tdx Systems, Inc. Telephone communications control system having a plurality of remote switching units
GB8424062D0 (en) * 1984-09-24 1984-10-31 Mackley M R Oriented polymer films
GB8607519D0 (en) * 1986-03-26 1986-05-21 Mackley M R Polymer films & tapes
US6704563B1 (en) * 1998-08-11 2004-03-09 Boston Communications Group, Inc. Systems and methods for prerating costs for a communication event
US7187928B1 (en) 1998-11-24 2007-03-06 Boston Communications Group, Inc. Call delivery systems for roaming prepaid subscribers

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3122611A (en) * 1960-09-20 1964-02-25 American Telephone & Telegraph Rate determining equipment
US3307150A (en) * 1962-11-16 1967-02-28 Stromberg Carlson Corp Queue store

Also Published As

Publication number Publication date
US3731000A (en) 1973-05-01
CA953810A (en) 1974-08-27
BE776636A (fr) 1972-04-04
DE2161989A1 (de) 1972-07-06
JPS4712851A (2) 1972-06-29
GB1360477A (en) 1974-07-17

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Legal Events

Date Code Title Description
ST Notification of lapse