FR930641A - Improvements to electrical communication systems - Google Patents

Improvements to electrical communication systems

Info

Publication number
FR930641A
FR930641A FR930641DA FR930641A FR 930641 A FR930641 A FR 930641A FR 930641D A FR930641D A FR 930641DA FR 930641 A FR930641 A FR 930641A
Authority
FR
France
Prior art keywords
communication systems
electrical communication
electrical
systems
communication
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
Other languages
French (fr)
Inventor
Edmond Maurice Deloraine
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
Application granted granted Critical
Publication of FR930641A publication Critical patent/FR930641A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J7/00—Multiplex systems in which the amplitudes or durations of the signals in individual channels are characteristic of those channels
    • H04J7/02—Multiplex systems in which the amplitudes or durations of the signals in individual channels are characteristic of those channels in which the polarity of the amplitude is characteristic
    • 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
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
    • H04Q3/52—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements
    • H04Q3/526—Optical switching systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
FR930641D 1945-11-14 1946-07-13 Improvements to electrical communication systems Expired FR930641A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US644571XA 1945-11-14 1945-11-14

Publications (1)

Publication Number Publication Date
FR930641A true FR930641A (en) 1948-01-30

Family

ID=22056112

Family Applications (1)

Application Number Title Priority Date Filing Date
FR930641D Expired FR930641A (en) 1945-11-14 1946-07-13 Improvements to electrical communication systems

Country Status (5)

Country Link
BE (1) BE474936A (en)
DE (1) DE916299C (en)
FR (1) FR930641A (en)
GB (1) GB644571A (en)
NL (1) NL71879C (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB784522A (en) * 1954-10-19 1957-10-09 Gen Electric Co Ltd Improvements in and relating to automatic telephone systems
USRE25139E (en) * 1955-11-23 1962-03-20 faulkner

Also Published As

Publication number Publication date
GB644571A (en) 1950-10-11
BE474936A (en)
DE916299C (en) 1954-08-09
NL71879C (en)

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