CH120657A - Self-collecting telephone station. - Google Patents

Self-collecting telephone station.

Info

Publication number
CH120657A
CH120657A CH120657DA CH120657A CH 120657 A CH120657 A CH 120657A CH 120657D A CH120657D A CH 120657DA CH 120657 A CH120657 A CH 120657A
Authority
CH
Switzerland
Prior art keywords
self
telephone station
collecting telephone
collecting
station
Prior art date
Application number
Other languages
German (de)
Inventor
Industrie Elin Akt Elektrische
Original Assignee
Elin 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 Elin Ag filed Critical Elin Ag
Publication of CH120657A publication Critical patent/CH120657A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M17/00—Prepayment of wireline communication systems, wireless communication systems or telephone systems
    • H04M17/02—Coin-freed or check-freed systems, e.g. mobile- or card-operated phones, public telephones or booths
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/08—Indicating faults in circuits or apparatus
    • H04M3/12—Marking faulty circuits "busy"; Enabling equipment to disengage itself from faulty circuits ; Using redundant circuits; Response of a circuit, apparatus or system to an error

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • Telephone Set Structure (AREA)
CH120657D 1926-02-06 1926-02-08 Self-collecting telephone station. CH120657A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEE33672D DE543479C (en) 1926-02-06 1926-02-06 Self-collecting telephone station

Publications (1)

Publication Number Publication Date
CH120657A true CH120657A (en) 1927-08-01

Family

ID=7076334

Family Applications (1)

Application Number Title Priority Date Filing Date
CH120657D CH120657A (en) 1926-02-06 1926-02-08 Self-collecting telephone station.

Country Status (3)

Country Link
BE (2) BE356061A (en)
CH (1) CH120657A (en)
DE (1) DE543479C (en)

Also Published As

Publication number Publication date
DE543479C (en) 1932-02-11
BE332329A (en)
BE356061A (en)

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