FR1101161A - Multiple electrical switches, especially for telecommunications systems - Google Patents

Multiple electrical switches, especially for telecommunications systems

Info

Publication number
FR1101161A
FR1101161A FR1101161DA FR1101161A FR 1101161 A FR1101161 A FR 1101161A FR 1101161D A FR1101161D A FR 1101161DA FR 1101161 A FR1101161 A FR 1101161A
Authority
FR
France
Prior art keywords
multiple electrical
electrical switches
telecommunications systems
telecommunications
switches
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
Jacob Kruithof
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 FR1101161A publication Critical patent/FR1101161A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/60—Semi-automatic systems, i.e. in which the numerical selection of the outgoing line is under the control of an operator
    • H04M3/64—Arrangements for signalling the number or class of the calling line to the operator
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H67/00—Electrically-operated selector switches
    • H01H67/22—Switches without multi-position wipers
    • H01H67/26—Co-ordinate-type selector switches not having relays at cross-points but involving mechanical movement, e.g. cross-bar switch, code-bar switch

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Tumbler Switches (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Railway Tracks (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
FR1101161D 1953-09-25 1949-05-17 Multiple electrical switches, especially for telecommunications systems Expired FR1101161A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEM20188A DE937510C (en) 1953-09-25 1953-09-25 Switch arrangement based on the crossbar principle

Publications (1)

Publication Number Publication Date
FR1101161A true FR1101161A (en) 1955-10-04

Family

ID=6654750

Family Applications (2)

Application Number Title Priority Date Filing Date
FR1101161D Expired FR1101161A (en) 1953-09-25 1949-05-17 Multiple electrical switches, especially for telecommunications systems
FR66961D Expired FR66961E (en) 1953-09-25 1954-09-24 Multiple electrical switches, especially for telecommunications systems

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR66961D Expired FR66961E (en) 1953-09-25 1954-09-24 Multiple electrical switches, especially for telecommunications systems

Country Status (3)

Country Link
DE (1) DE937510C (en)
FR (2) FR1101161A (en)
GB (1) GB752622A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1541791A (en) * 1967-08-31 1968-10-11 Coordinate Selector Switch Improvements

Also Published As

Publication number Publication date
GB752622A (en) 1956-07-11
DE937510C (en) 1956-01-05
FR66961E (en) 1957-11-04

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