AT296398B - Device for converting pulse trains, the pulses of which represent a predetermined value unit, into a pulse train with a smaller value unit per pulse, in particular counting pulses for coin-operated telephones - Google Patents

Device for converting pulse trains, the pulses of which represent a predetermined value unit, into a pulse train with a smaller value unit per pulse, in particular counting pulses for coin-operated telephones

Info

Publication number
AT296398B
AT296398B AT948568A AT948568A AT296398B AT 296398 B AT296398 B AT 296398B AT 948568 A AT948568 A AT 948568A AT 948568 A AT948568 A AT 948568A AT 296398 B AT296398 B AT 296398B
Authority
AT
Austria
Prior art keywords
value unit
pulse
pulses
coin
represent
Prior art date
Application number
AT948568A
Other languages
German (de)
Original Assignee
Siemens 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
Priority claimed from DE19671537844 external-priority patent/DE1537844B2/en
Application filed by Siemens Ag filed Critical Siemens Ag
Application granted granted Critical
Publication of AT296398B publication Critical patent/AT296398B/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)
  • Meter Arrangements (AREA)
AT948568A 1967-09-29 1968-09-27 Device for converting pulse trains, the pulses of which represent a predetermined value unit, into a pulse train with a smaller value unit per pulse, in particular counting pulses for coin-operated telephones AT296398B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19671537844 DE1537844B2 (en) 1967-09-29 1967-09-29 Method for converting pulse trains, in particular counting clocks for coin-operated telephones

Publications (1)

Publication Number Publication Date
AT296398B true AT296398B (en) 1972-02-10

Family

ID=5675957

Family Applications (1)

Application Number Title Priority Date Filing Date
AT948568A AT296398B (en) 1967-09-29 1968-09-27 Device for converting pulse trains, the pulses of which represent a predetermined value unit, into a pulse train with a smaller value unit per pulse, in particular counting pulses for coin-operated telephones

Country Status (4)

Country Link
AT (1) AT296398B (en)
BE (1) BE721498A (en)
FR (1) FR1583384A (en)
GB (1) GB1196549A (en)

Also Published As

Publication number Publication date
FR1583384A (en) 1969-10-24
GB1196549A (en) 1970-06-24
BE721498A (en) 1969-03-27

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