DE581835C - Circuit arrangement for coin telephones - Google Patents

Circuit arrangement for coin telephones

Info

Publication number
DE581835C
DE581835C DET40511D DET0040511D DE581835C DE 581835 C DE581835 C DE 581835C DE T40511 D DET40511 D DE T40511D DE T0040511 D DET0040511 D DE T0040511D DE 581835 C DE581835 C DE 581835C
Authority
DE
Germany
Prior art keywords
circuit arrangement
coin
coin telephones
telephones
cashier
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
DET40511D
Other languages
German (de)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Telephon Apparat Fabrik E Zwietusch and Co
Original Assignee
Telephon Apparat Fabrik E Zwietusch and Co
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
Priority to BE367704D priority Critical patent/BE367704A/xx
Priority to NL29441D priority patent/NL29441C/xx
Application filed by Telephon Apparat Fabrik E Zwietusch and Co filed Critical Telephon Apparat Fabrik E Zwietusch and Co
Priority to DET40511D priority patent/DE581835C/en
Priority to FR688476D priority patent/FR688476A/en
Priority to CH145794D priority patent/CH145794A/en
Priority to GB533730A priority patent/GB344633A/en
Application granted granted Critical
Publication of DE581835C publication Critical patent/DE581835C/en
Expired legal-status Critical Current

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Prepayment Telephone Systems (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)
  • Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
  • Interface Circuits In Exchanges (AREA)

Description

Hierzu 1 Blatt Zeichnungen1 sheet of drawings

Claims (1)

Patentanspruch:Claim: Schaltungsanordnung nach Patent 526 633 für Münzfernsprecher für ankommenden und abgehenden Verkehr mit einem nach Einhängen des Hörers vom Amt gesteuerten Kassiermagneteni, dadurch gekennzeichnet, daß die zum Zwecke der Kassierstromstoßübertragung die Leitung auftrennenden Kontakte (z I und 2 II) •durch Kondensatoren
brückt sind.Circuit arrangement according to patent 526 633 for coin-operated telephones for incoming and outgoing traffic with a cashier magnet controlled by the office after hanging up the receiver, characterized in that the contacts (z I and 2 II) which separate the line for the purpose of transferring cashier currents • by capacitors
are bridged. (C1 und C2) über-(C 1 and C 2 )
DET40511D 1929-11-14 1929-11-14 Circuit arrangement for coin telephones Expired DE581835C (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
BE367704D BE367704A (en) 1929-11-14
NL29441D NL29441C (en) 1929-11-14
DET40511D DE581835C (en) 1929-11-14 1929-11-14 Circuit arrangement for coin telephones
FR688476D FR688476A (en) 1929-11-14 1930-01-20 Connection arrangement for prepaid phones with automatic coin collection at the end of the conversation
CH145794D CH145794A (en) 1929-11-14 1930-02-06 Telephone system with coin-operated telephone with automatic payment of coins at the end of the call.
GB533730A GB344633A (en) 1929-11-14 1930-02-17 Improvements in or relating to telephone pay stations

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DET40511D DE581835C (en) 1929-11-14 1929-11-14 Circuit arrangement for coin telephones

Publications (1)

Publication Number Publication Date
DE581835C true DE581835C (en) 1933-08-03

Family

ID=7560777

Family Applications (1)

Application Number Title Priority Date Filing Date
DET40511D Expired DE581835C (en) 1929-11-14 1929-11-14 Circuit arrangement for coin telephones

Country Status (6)

Country Link
BE (1) BE367704A (en)
CH (1) CH145794A (en)
DE (1) DE581835C (en)
FR (1) FR688476A (en)
GB (1) GB344633A (en)
NL (1) NL29441C (en)

Also Published As

Publication number Publication date
GB344633A (en) 1931-03-12
FR688476A (en) 1930-08-23
BE367704A (en)
NL29441C (en)
CH145794A (en) 1931-03-15

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