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CREDIT AUTHORIZATION SYSTEM TERMINAL

  • US 3,723,655 A
  • Filed: 02/16/1971
  • Issued: 03/27/1973
  • Est. Priority Date: 02/16/1971
  • Status: Expired due to Term
First Claim
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1. In a credit authorization terminal adapted for data communication with a remotely located data processor over a telephone line, which terminal includes a credit card reader to provide signals representing coding on a credit card and a keyboard to generate transaction data, and a frequency code transmitter;

  • the improvement comprising;

    means for retrievably storing data in the credit authorization terminal, to initiate telephone communication between the terminal and the remotely located data processor to identify the terminal, said data storing means including a strip of film provided with optical coding representing the stored data and means for reading said coding on the film strip, and means for replaceably mounting said film in readable relation thereto;

    a cycle controller providing cycle control signals to initiate terminal operations and to control data flow between the terminal and the remotely located data processor, said cycle controller including means for generating a hook signal to control terminal connection to the telephone line and further including a commutator provided with segments and means for sequentially engaging said commutator segments to produce said cycle control signals, said commutator-segment-engaging means being synchronously coupled to the film strip for detection of said film strip codings during a predetermined phase of terminal operation;

    means enabled by a cycle control signal for selecting said stored data for initiating telephone connection between the terminal and the remotely located data processor;

    means for decoding data received over the telephone line for generating an acknowledgment signal indicating the establishment of communication between the terminal and the remotely located data processor;

    means initiated by the acknowledgment signal for sequentially enabling transmission of (a) said stored terminal identification data, (b) keyboard signals indicating entries on said keyboard, and (c) credit card signals representing said credit card coding; and

    means enabled by a cycle control signal for displaying instruction data received from the remotely located data processor.

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