CH153049A - Circuit arrangement in telephone systems. - Google Patents

Circuit arrangement in telephone systems.

Info

Publication number
CH153049A
CH153049A CH153049DA CH153049A CH 153049 A CH153049 A CH 153049A CH 153049D A CH153049D A CH 153049DA CH 153049 A CH153049 A CH 153049A
Authority
CH
Switzerland
Prior art keywords
circuit arrangement
telephone systems
telephone
systems
arrangement
Prior art date
Application number
Other languages
German (de)
Inventor
Aktiengesellschaft Siem Halske
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of CH153049A publication Critical patent/CH153049A/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)
  • Relay Circuits (AREA)
CH153049D 1930-02-24 1931-02-16 Circuit arrangement in telephone systems. CH153049A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1865188X 1930-02-24

Publications (1)

Publication Number Publication Date
CH153049A true CH153049A (en) 1932-02-29

Family

ID=7746647

Family Applications (2)

Application Number Title Priority Date Filing Date
CH153637D CH153637A (en) 1930-02-24 1931-02-13 Telephone system with dialer operation.
CH153049D CH153049A (en) 1930-02-24 1931-02-16 Circuit arrangement in telephone systems.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CH153637D CH153637A (en) 1930-02-24 1931-02-13 Telephone system with dialer operation.

Country Status (3)

Country Link
US (1) US1865188A (en)
AT (2) AT128731B (en)
CH (2) CH153637A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB592371A (en) * 1945-05-04 1947-09-16 Siemens Brothers & Co Ltd Improvements relating to automatic telephone systems

Also Published As

Publication number Publication date
AT130120B (en) 1932-11-10
CH153637A (en) 1932-03-31
AT128731B (en) 1932-06-10
US1865188A (en) 1932-06-28

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