NL46815C - - Google Patents

Info

Publication number
NL46815C
NL46815C NL46815DA NL46815C NL 46815 C NL46815 C NL 46815C NL 46815D A NL46815D A NL 46815DA NL 46815 C NL46815 C NL 46815C
Authority
NL
Netherlands
Application number
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.)
Publication of NL46815C publication Critical patent/NL46815C/xx

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)
NL46815D 1934-10-23 NL46815C (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE464334X 1934-10-23

Publications (1)

Publication Number Publication Date
NL46815C true NL46815C (enrdf_load_stackoverflow)

Family

ID=20310247

Family Applications (1)

Application Number Title Priority Date Filing Date
NL46815D NL46815C (enrdf_load_stackoverflow) 1934-10-23

Country Status (6)

Country Link
US (1) US2133523A (enrdf_load_stackoverflow)
BE (1) BE411832A (enrdf_load_stackoverflow)
DE (1) DE662774C (enrdf_load_stackoverflow)
FR (1) FR796469A (enrdf_load_stackoverflow)
GB (1) GB464334A (enrdf_load_stackoverflow)
NL (1) NL46815C (enrdf_load_stackoverflow)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE758222C (de) * 1939-01-12 1954-03-22 Normalzeit G M B H Schaltungsanordnung zur Kennzeichnung des Gespraechszustandes ueber die Teilnehmeranschlussleitung in Fernsprechanlagen
US2542568A (en) * 1945-12-05 1951-02-20 Comm Equipment And Engineering Coin-controlled program distribution system
US2867689A (en) * 1950-01-28 1959-01-06 Siemens Ag Telephone pay station comprising coin counting device for different call rates
US2765366A (en) * 1952-09-26 1956-10-02 Bell Telephone Labor Inc Fraudulent ground corrective for coin collector circuit
US2820847A (en) * 1953-05-14 1958-01-21 Gen Telephone Lab Inc Reverse battery paystation
US2806084A (en) * 1953-12-07 1957-09-10 Gen Telephone Lab Inc Postpay paystation with coin control circuit
GB810351A (en) * 1956-07-02 1959-03-11 Ass Automation Ltd Coin collectors for telecommunication services
DE1241494B (de) * 1963-08-16 1967-06-01 Normalzeit G M B H Schaltungsanordnung fuer Fernsprechteilnehmer-apparate mit einem Edelmetall-UEberbrueckungs-kontakt im Sprechkreis

Also Published As

Publication number Publication date
GB464334A (en) 1937-04-15
US2133523A (en) 1938-10-18
DE662774C (de) 1938-07-21
FR796469A (fr) 1936-04-07
BE411832A (enrdf_load_stackoverflow)

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