FR744372A - - Google Patents

Info

Publication number
FR744372A
FR744372A FR744372DA FR744372A FR 744372 A FR744372 A FR 744372A FR 744372D A FR744372D A FR 744372DA FR 744372 A FR744372 A FR 744372A
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
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.)
Publication date
Application granted granted Critical
Publication of FR744372A publication Critical patent/FR744372A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Keying Circuit Devices (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
FR744372D 1931-11-09 Expired FR744372A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US573760A US1914384A (en) 1931-11-09 1931-11-09 Telephone system

Publications (1)

Publication Number Publication Date
FR744372A true FR744372A (fr) 1933-04-19

Family

ID=24293290

Family Applications (1)

Application Number Title Priority Date Filing Date
FR744372D Expired FR744372A (fr) 1931-11-09

Country Status (3)

Country Link
US (1) US1914384A (fr)
FR (1) FR744372A (fr)
GB (1) GB409015A (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB593050A (en) * 1945-05-04 1947-10-07 Siemens Brothers & Co Ltd Improvements relating to automatic telephone systems
GB592371A (en) * 1945-05-04 1947-09-16 Siemens Brothers & Co Ltd Improvements relating to automatic telephone systems
GB593049A (en) * 1945-05-04 1947-10-07 Siemens Brothers & Co Ltd Improvements relating to automatic telephone systems
GB605131A (en) * 1945-12-14 1948-07-16 Siemens Brothers & Co Ltd Improvements relating to telephone and like selective systems
NL65863C (fr) * 1946-01-30
US2583782A (en) * 1948-01-21 1952-01-29 Automatic Elect Lab Party line connector circuit for code ringing
FR996361A (fr) * 1948-10-25 1951-12-17
GB657077A (en) * 1948-11-11 1951-09-12 Automatic Telephone & Elect Improvements in or relating to automatic switches as used in telephone systems
BE498516A (fr) * 1949-10-07
US2845493A (en) * 1949-11-26 1958-07-29 Siemens Ag Control of telephone switches having plurality of simultaneously operated sets of wipers
BE527777A (fr) * 1953-04-27
DE969247C (de) * 1955-05-27 1958-05-14 Siemens Ag Schaltungsanordnung fuer durch Nummernstromstoesse einzustellende Waehler mit einer Bewegungsrichtung in Fernmeldeanlagen, insbesondere Fernsprechanlagen
GB2254961A (en) * 1991-04-15 1992-10-21 Ford Motor Co Plunger switch with displaceable stop means

Also Published As

Publication number Publication date
US1914384A (en) 1933-06-20
GB409015A (en) 1934-04-23

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