CA1056971A - Poste telephonique public a circuit de protection contre les appels frauduleux en chaine - Google Patents

Poste telephonique public a circuit de protection contre les appels frauduleux en chaine

Info

Publication number
CA1056971A
CA1056971A CA318,246A CA318246A CA1056971A CA 1056971 A CA1056971 A CA 1056971A CA 318246 A CA318246 A CA 318246A CA 1056971 A CA1056971 A CA 1056971A
Authority
CA
Canada
Prior art keywords
coin
circuit
dialing
pay station
telephone
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
CA318,246A
Other languages
English (en)
Inventor
William R. Hunsicker
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.)
Akzona Inc
Original Assignee
Akzona Inc
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 US05/590,003 external-priority patent/US3992588A/en
Application filed by Akzona Inc filed Critical Akzona Inc
Priority to CA318,246A priority Critical patent/CA1056971A/fr
Application granted granted Critical
Publication of CA1056971A publication Critical patent/CA1056971A/fr
Expired legal-status Critical Current

Links

Landscapes

  • Prepayment Telephone Systems (AREA)
CA318,246A 1975-06-25 1978-12-20 Poste telephonique public a circuit de protection contre les appels frauduleux en chaine Expired CA1056971A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA318,246A CA1056971A (fr) 1975-06-25 1978-12-20 Poste telephonique public a circuit de protection contre les appels frauduleux en chaine

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US05/590,003 US3992588A (en) 1975-06-25 1975-06-25 Multiple digit dialing module
CA251,928A CA1052922A (fr) 1975-06-25 1976-05-06 Telephones payants permettant la composition sans frais de certains numeros
CA318,246A CA1056971A (fr) 1975-06-25 1978-12-20 Poste telephonique public a circuit de protection contre les appels frauduleux en chaine

Publications (1)

Publication Number Publication Date
CA1056971A true CA1056971A (fr) 1979-06-19

Family

ID=27164459

Family Applications (1)

Application Number Title Priority Date Filing Date
CA318,246A Expired CA1056971A (fr) 1975-06-25 1978-12-20 Poste telephonique public a circuit de protection contre les appels frauduleux en chaine

Country Status (1)

Country Link
CA (1) CA1056971A (fr)

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