FR944379A - Improvements to telecommunications systems - Google Patents

Improvements to telecommunications systems

Info

Publication number
FR944379A
FR944379A FR944379DA FR944379A FR 944379 A FR944379 A FR 944379A FR 944379D A FR944379D A FR 944379DA FR 944379 A FR944379 A FR 944379A
Authority
FR
France
Prior art keywords
telecommunications systems
telecommunications
systems
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
David Hiram Ransom
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 FR944379A publication Critical patent/FR944379A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Devices For Supply Of Signal Current (AREA)
FR944379D 1946-03-14 1947-03-14 Improvements to telecommunications systems Expired FR944379A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US944379XA 1946-03-14 1946-03-14
US654326A US2492136A (en) 1946-03-14 1946-03-14 Electronic telephone exchange

Publications (1)

Publication Number Publication Date
FR944379A true FR944379A (en) 1949-04-04

Family

ID=26788879

Family Applications (1)

Application Number Title Priority Date Filing Date
FR944379D Expired FR944379A (en) 1946-03-14 1947-03-14 Improvements to telecommunications systems

Country Status (2)

Country Link
US (1) US2492136A (en)
FR (1) FR944379A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL78387C (en) * 1946-10-04
FR974379A (en) * 1947-10-27 1951-02-21
NL86409C (en) * 1949-10-26
BE500226A (en) * 1949-12-24
US2773937A (en) * 1949-12-24 1956-12-11 Gen Dynamics Corp Electronic signaling and switching system
US2774071A (en) * 1949-12-24 1956-12-11 Gen Dynamics Corp Coincidence finding circuit
BE502796A (en) * 1950-04-26
US2934606A (en) * 1950-09-21 1960-04-26 Stromberg Carlson Co Selector circuit
NL99218C (en) * 1951-05-23

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2185693A (en) * 1938-02-25 1940-01-02 Bell Telephone Labor Inc Multiplex signaling system
BE433923A (en) * 1938-04-23
US2263369A (en) * 1939-02-03 1941-11-18 Hartford Nat Bank & Trust Co Multiplex telephony system
US2387018A (en) * 1942-08-05 1945-10-16 Bell Lab Inc Communication system
US2379715A (en) * 1942-10-09 1945-07-03 Bell Telephone Labor Inc Communication system
US2379221A (en) * 1942-10-09 1945-06-26 Bell Telephone Labor Inc Communication system

Also Published As

Publication number Publication date
US2492136A (en) 1949-12-27

Similar Documents

Publication Publication Date Title
FR1004582A (en) Improvements to transmission systems
FR58511E (en) Improvements to electrical communication systems
FR950445A (en) Improvements to television systems
FR941062A (en) Communication systems
FR944379A (en) Improvements to telecommunications systems
FR968678A (en) Rifle refinements
FR932339A (en) Stylograph refinements
FR934661A (en) Improvements to electrical communication systems
FR945983A (en) Improvements to television systems
FR938282A (en) Improvements to communication systems
FR928167A (en) Improvements to telephone systems
FR953245A (en) Improvements to electroacoustic systems
FR933606A (en) Improvements to automatic telephone systems
FR933602A (en) Improvements to telephone systems
FR952852A (en) Improvements to telecommunication systems
FR59521E (en) Improvements to transmission systems
FR1005731A (en) Improvements to two-sided speakerphone systems
FR930641A (en) Improvements to electrical communication systems
FR932546A (en) Improvements to telephone systems
FR928329A (en) Improvements to telephone systems
FR938975A (en) Improvements to communication systems
FR937845A (en) Improvements to telegraph systems
FR940683A (en) Telephone systems
FR930846A (en) Improvements to multiplex telephone systems
FR1002398A (en) Improvements to amplifier systems