DE2422992A1 - Fernmelde-, insbesondere fernsprechvermittlungsanlage mit frequenzvielfachbetrieb - Google Patents

Fernmelde-, insbesondere fernsprechvermittlungsanlage mit frequenzvielfachbetrieb

Info

Publication number
DE2422992A1
DE2422992A1 DE2422992A DE2422992A DE2422992A1 DE 2422992 A1 DE2422992 A1 DE 2422992A1 DE 2422992 A DE2422992 A DE 2422992A DE 2422992 A DE2422992 A DE 2422992A DE 2422992 A1 DE2422992 A1 DE 2422992A1
Authority
DE
Germany
Prior art keywords
radio
receivers
radio transmitters
control signals
switching
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.)
Withdrawn
Application number
DE2422992A
Other languages
German (de)
English (en)
Inventor
Andre Jean Henquet
Jean Jacques Muller
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Publication of DE2422992A1 publication Critical patent/DE2422992A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/02—Selecting arrangements for multiplex systems for frequency-division multiplexing

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephonic Communication Services (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Interface Circuits In Exchanges (AREA)
DE2422992A 1973-05-22 1974-05-13 Fernmelde-, insbesondere fernsprechvermittlungsanlage mit frequenzvielfachbetrieb Withdrawn DE2422992A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7318456A FR2231172B1 (enExample) 1973-05-22 1973-05-22

Publications (1)

Publication Number Publication Date
DE2422992A1 true DE2422992A1 (de) 1974-12-12

Family

ID=9119708

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2422992A Withdrawn DE2422992A1 (de) 1973-05-22 1974-05-13 Fernmelde-, insbesondere fernsprechvermittlungsanlage mit frequenzvielfachbetrieb

Country Status (11)

Country Link
US (1) US3866178A (enExample)
JP (1) JPS547523B2 (enExample)
BE (1) BE815322R (enExample)
BR (1) BR7404032D0 (enExample)
CA (1) CA1035452A (enExample)
DE (1) DE2422992A1 (enExample)
ES (1) ES426502A1 (enExample)
FR (1) FR2231172B1 (enExample)
GB (1) GB1433969A (enExample)
IT (1) IT1012435B (enExample)
NL (1) NL7406789A (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4016493A (en) * 1975-10-22 1977-04-05 General Electric Company Simplified land line and satellite communication switching system
SE7605253L (sv) * 1976-05-10 1977-11-11 Persson Paul Manfred System for att overfora information
US4191941A (en) * 1978-04-03 1980-03-04 Rca Corporation Switch matrix for data transfers
US4789980A (en) * 1986-08-18 1988-12-06 American Telephone & Telegraph Company, At&T Bell Laboratories Switching techniques for FDM communication systems

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3480733A (en) * 1964-08-04 1969-11-25 Nippon Electric Co Frequency allocation system for common amplification of multifrequency carriers

Also Published As

Publication number Publication date
CA1035452A (en) 1978-07-25
FR2231172A1 (enExample) 1974-12-20
FR2231172B1 (enExample) 1977-02-11
AU6901574A (en) 1975-11-20
IT1012435B (it) 1977-03-10
JPS50132804A (enExample) 1975-10-21
BR7404032D0 (pt) 1974-12-03
JPS547523B2 (enExample) 1979-04-07
US3866178A (en) 1975-02-11
GB1433969A (en) 1976-04-28
ES426502A1 (es) 1976-09-01
NL7406789A (enExample) 1974-11-26
BE815322R (fr) 1974-11-21

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Legal Events

Date Code Title Description
8139 Disposal/non-payment of the annual fee