GB1323666A - Coin-operated telephone systems - Google Patents

Coin-operated telephone systems

Info

Publication number
GB1323666A
GB1323666A GB1327071A GB1327071A GB1323666A GB 1323666 A GB1323666 A GB 1323666A GB 1327071 A GB1327071 A GB 1327071A GB 1327071 A GB1327071 A GB 1327071A GB 1323666 A GB1323666 A GB 1323666A
Authority
GB
United Kingdom
Prior art keywords
cycle
pulse
coin
meter
pulses
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
GB1327071A
Other languages
English (en)
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.)
Siemens Corp
Original Assignee
Siemens Corp
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 DE19702022348 external-priority patent/DE2022348C/de
Application filed by Siemens Corp filed Critical Siemens Corp
Publication of GB1323666A publication Critical patent/GB1323666A/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
    • H04M17/023—Circuit arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Meter Arrangements (AREA)
GB1327071A 1970-05-06 1971-05-05 Coin-operated telephone systems Expired GB1323666A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702022348 DE2022348C (de) 1970-05-06 Verfahren zum Ausgleich des bei der Umsetzung der Zählimpulsfrequenz für Münz-Fernsprechapparate entstehenden Differenzbetrages zwischen Gebührenschuld und tatsächlich einkassiertem Betrag

Publications (1)

Publication Number Publication Date
GB1323666A true GB1323666A (en) 1973-07-18

Family

ID=5770473

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1327071A Expired GB1323666A (en) 1970-05-06 1971-05-05 Coin-operated telephone systems

Country Status (7)

Country Link
AT (1) AT324446B (enExample)
BE (1) BE766789A (enExample)
CH (1) CH527531A (enExample)
FR (1) FR2091066A5 (enExample)
GB (1) GB1323666A (enExample)
LU (1) LU63097A1 (enExample)
NL (1) NL7105627A (enExample)

Also Published As

Publication number Publication date
DE2022348A1 (enExample) 1971-04-15
LU63097A1 (enExample) 1971-08-31
BE766789A (fr) 1971-11-08
NL7105627A (enExample) 1971-11-09
DE2022348B2 (de) 1971-04-15
FR2091066A5 (enExample) 1972-01-14
AT324446B (de) 1975-08-25
CH527531A (de) 1972-08-31

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee