CH332289A - Apparat mit Ansprechanzeiger - Google Patents

Apparat mit Ansprechanzeiger

Info

Publication number
CH332289A
CH332289A CH332289DA CH332289A CH 332289 A CH332289 A CH 332289A CH 332289D A CH332289D A CH 332289DA CH 332289 A CH332289 A CH 332289A
Authority
CH
Switzerland
Prior art keywords
response indicator
indicator
response
Prior art date
Application number
Other languages
English (en)
Inventor
Stoecklin Josef
Drack Erwin
Original Assignee
Bbc Brown Boveri & Cie
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 Bbc Brown Boveri & Cie filed Critical Bbc Brown Boveri & Cie
Publication of CH332289A publication Critical patent/CH332289A/de

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
    • H01H50/00—Details of electromagnetic relays
    • H01H50/08—Indicators; Distinguishing marks
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/16—Indicators for switching condition, e.g. "on" or "off"

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Switch Cases, Indication, And Locking (AREA)
CH332289D 1955-02-22 1955-02-22 Apparat mit Ansprechanzeiger CH332289A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH2787689X 1955-02-22

Publications (1)

Publication Number Publication Date
CH332289A true CH332289A (de) 1958-08-31

Family

ID=4571789

Family Applications (1)

Application Number Title Priority Date Filing Date
CH332289D CH332289A (de) 1955-02-22 1955-02-22 Apparat mit Ansprechanzeiger

Country Status (3)

Country Link
US (1) US2787689A (de)
CH (1) CH332289A (de)
DE (1) DE963170C (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2379897A1 (fr) * 1977-02-08 1978-09-01 Lucas Industries Ltd Interrupteur electrique comportant une indication visuelle d'etat

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3021519A (en) * 1958-12-12 1962-02-13 Westinghouse Air Brake Co Relay energization indicator
US3088007A (en) * 1960-08-31 1963-04-30 Cutler Hammer Inc Electromagnetic relay
DE1226689B (de) * 1963-04-26 1966-10-13 Siemens Ag Stellungsanzeiger fuer elektrische Schalter mit einem Elektromagneten
DE3117914C2 (de) * 1981-05-06 1983-09-01 Siemens AG, 1000 Berlin und 8000 München Elektromagnetisches Schaltgerät
DE3323481A1 (de) * 1983-06-30 1985-01-03 W. Gruner GmbH Relaisfabrik, 7209 Wehingen Relais

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US470697A (en) * 1892-03-15 Protector for electrical apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2379897A1 (fr) * 1977-02-08 1978-09-01 Lucas Industries Ltd Interrupteur electrique comportant une indication visuelle d'etat

Also Published As

Publication number Publication date
US2787689A (en) 1957-04-02
DE963170C (de) 1957-05-02

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