CH280687A - Circuit arrangement for the mutual blocking of a selector switch and a caller switch. - Google Patents

Circuit arrangement for the mutual blocking of a selector switch and a caller switch.

Info

Publication number
CH280687A
CH280687A CH280687DA CH280687A CH 280687 A CH280687 A CH 280687A CH 280687D A CH280687D A CH 280687DA CH 280687 A CH280687 A CH 280687A
Authority
CH
Switzerland
Prior art keywords
switch
circuit arrangement
caller
mutual blocking
selector switch
Prior art date
Application number
Other languages
German (de)
Inventor
Gloeilampenfabrieken N Philips
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of CH280687A publication Critical patent/CH280687A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Interface Circuits In Exchanges (AREA)
CH280687D 1949-01-14 1950-01-13 Circuit arrangement for the mutual blocking of a selector switch and a caller switch. CH280687A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL280687X 1949-01-14

Publications (1)

Publication Number Publication Date
CH280687A true CH280687A (en) 1952-01-31

Family

ID=19782290

Family Applications (1)

Application Number Title Priority Date Filing Date
CH280687D CH280687A (en) 1949-01-14 1950-01-13 Circuit arrangement for the mutual blocking of a selector switch and a caller switch.

Country Status (5)

Country Link
BE (1) BE493239A (en)
CH (1) CH280687A (en)
DE (1) DE822564C (en)
FR (1) FR1008258A (en)
GB (1) GB685309A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE969954C (en) * 1954-10-28 1958-08-07 Allg Telefon Fabrik G M B H Circuit arrangement for telecommunications systems with call seekers
DE1029044B (en) * 1955-09-14 1958-04-30 Siemens Ag Relayless subscriber circuit for telephone systems
DE1132981B (en) * 1960-07-13 1962-07-12 Arnstadt Fernmeldewerk Circuit arrangement for subscriber circuits in electronically controlled telephone systems

Also Published As

Publication number Publication date
GB685309A (en) 1952-12-31
DE822564C (en) 1951-11-26
FR1008258A (en) 1952-05-15
BE493239A (en)

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