FR852823A - Systèmes téléphoniques ou analogues - Google Patents

Systèmes téléphoniques ou analogues

Info

Publication number
FR852823A
FR852823A FR852823DA FR852823A FR 852823 A FR852823 A FR 852823A FR 852823D A FR852823D A FR 852823DA FR 852823 A FR852823 A FR 852823A
Authority
FR
France
Prior art keywords
telephone
similar systems
systems
similar
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
English (en)
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.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR852823A publication Critical patent/FR852823A/fr
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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/26—Devices for calling a subscriber
    • H04M1/27—Devices whereby a plurality of signals may be stored simultaneously
    • H04M1/272—Devices whereby a plurality of signals may be stored simultaneously with provision for storing only one subscriber number at a time, e.g. by keyboard or dial

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Relay Circuits (AREA)
FR852823D 1938-04-09 1939-04-07 Systèmes téléphoniques ou analogues Expired FR852823A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US201076A US2294464A (en) 1938-04-09 1938-04-09 Impulse transmitter

Publications (1)

Publication Number Publication Date
FR852823A true FR852823A (fr) 1940-03-04

Family

ID=22744393

Family Applications (1)

Application Number Title Priority Date Filing Date
FR852823D Expired FR852823A (fr) 1938-04-09 1939-04-07 Systèmes téléphoniques ou analogues

Country Status (2)

Country Link
US (1) US2294464A (fr)
FR (1) FR852823A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2454780A (en) * 1943-08-28 1948-11-30 Int Standard Electric Corp Telecommunication switching system
US2463708A (en) * 1945-03-10 1949-03-08 Automatic Elect Lab Impulse sender
US2442702A (en) * 1945-09-20 1948-06-01 Bell Telephone Labor Inc Selective signaling system
US2661395A (en) * 1948-11-05 1953-12-01 Ericsson Telefon Ab L M Variable resistance signaling system
US2771599A (en) * 1953-03-06 1956-11-20 Marchant Calculators Inc Readout mechanism

Also Published As

Publication number Publication date
US2294464A (en) 1942-09-01

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