CH212299A - Coin operated telephone with a charge control device in self-connecting telephone systems. - Google Patents

Coin operated telephone with a charge control device in self-connecting telephone systems.

Info

Publication number
CH212299A
CH212299A CH212299DA CH212299A CH 212299 A CH212299 A CH 212299A CH 212299D A CH212299D A CH 212299DA CH 212299 A CH212299 A CH 212299A
Authority
CH
Switzerland
Prior art keywords
telephone
self
control device
charge control
coin operated
Prior art date
Application number
Other languages
German (de)
Inventor
E Zwie Telephon-Apparat-Fabrik
Original Assignee
Zwietusch E & Co Gmbh
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 Zwietusch E & Co Gmbh filed Critical Zwietusch E & Co Gmbh
Publication of CH212299A publication Critical patent/CH212299A/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00—Electromagnetic relays
    • H01H51/22—Polarised relays
    • H01H51/2272—Polarised relays comprising rockable armature, rocking movement around central axis parallel to the main plane of the armature
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
  • Prepayment Telephone Systems (AREA)
CH212299D 1938-11-27 1939-07-18 Coin operated telephone with a charge control device in self-connecting telephone systems. CH212299A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1938T0051380 DE699090C (en) 1938-11-27 1938-11-27 Coin-operated telephone with a device for grading charges in self-connecting telephone systems

Publications (1)

Publication Number Publication Date
CH212299A true CH212299A (en) 1940-11-15

Family

ID=42831550

Family Applications (1)

Application Number Title Priority Date Filing Date
CH212299D CH212299A (en) 1938-11-27 1939-07-18 Coin operated telephone with a charge control device in self-connecting telephone systems.

Country Status (4)

Country Link
CH (1) CH212299A (en)
DE (2) DE699090C (en)
FR (1) FR872605A (en)
NL (1) NL52164C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE508329A (en) * 1951-01-15

Also Published As

Publication number Publication date
DE699090C (en) 1940-11-22
DE713971C (en) 1941-11-19
NL52164C (en) 1942-03-16
FR872605A (en) 1942-06-15

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