CH204653A - Telephone system with pay phone. - Google Patents

Telephone system with pay phone.

Info

Publication number
CH204653A
CH204653A CH204653DA CH204653A CH 204653 A CH204653 A CH 204653A CH 204653D A CH204653D A CH 204653DA CH 204653 A CH204653 A CH 204653A
Authority
CH
Switzerland
Prior art keywords
telephone system
pay phone
pay
phone
telephone
Prior art date
Application number
Other languages
German (de)
Inventor
A-G Albiswerk Zuerich
Original Assignee
Siemens Ag Albis
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 Albis filed Critical Siemens Ag Albis
Publication of CH204653A publication Critical patent/CH204653A/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
    • H04M17/023—Circuit arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Prepayment Telephone Systems (AREA)
  • Meter Arrangements (AREA)
CH204653D 1938-04-09 1938-04-09 Telephone system with pay phone. CH204653A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH204653T 1938-04-09

Publications (1)

Publication Number Publication Date
CH204653A true CH204653A (en) 1939-05-15

Family

ID=4444261

Family Applications (1)

Application Number Title Priority Date Filing Date
CH204653D CH204653A (en) 1938-04-09 1938-04-09 Telephone system with pay phone.

Country Status (2)

Country Link
CH (1) CH204653A (en)
DE (1) DE715763C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH228347A (en) * 1942-01-15 1943-08-15 Sodeco Compteurs De Geneve Telephone device with advance payment.

Also Published As

Publication number Publication date
DE715763C (en) 1942-01-07

Similar Documents

Publication Publication Date Title
CH210435A (en) Multiple telephone system.
CH235876A (en) Telephone installation.
CH267007A (en) Telephone set.
FR951376A (en) Telephone system
CH286287A (en) Telephone installation.
CH214512A (en) Telephone system with pay phone.
CH210688A (en) Device on telephone sets with microtelephones.
CH204653A (en) Telephone system with pay phone.
CH203559A (en) Telephone system with pay phone.
CH218528A (en) Telephone subscriber station.
CH194900A (en) Telephone receiver.
US2254113A (en) Telephone system
CH234264A (en) Telephone system.
DK57984C (en) Telephone system.
CH202986A (en) Pay phone.
CH196097A (en) Charge indicators at telephone subscriber stations.
FR848445A (en) Telephone installation
FR853409A (en) phone earpiece
FR852648A (en) Telephone systems
CA378132A (en) Telephone ringing system
DK71587C (en) Telephone system.
DK72131C (en) Telephone system.
DK71786C (en) Telephone system.
DK74456C (en) Semi-automatic telephone system.
CH219812A (en) Telephone.