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Telephone credit card system

  • US 4,326,123 A
  • Filed: 02/22/1980
  • Issued: 04/20/1982
  • Est. Priority Date: 02/22/1980
  • Status: Expired due to Term
First Claim
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1. A telephone credit card system which includes an automatic dialer including credit card validation information, a general purpose digital computer to receive the information from the dialer, record the same, and provide interface with the telephonic network, and means to record time and numerical data necessary in conjunction with a telephone call to charge it to the credit number validated which is further characterized by:

  • inclusion of a microprocessor to interface between the dialer and the general purpose digital computer operating in conjunction with ROMS, RAMS, and PIA'"'"'s to transmit signals through the phone line to the general purpose digital computer.

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