System for handling transactions including a portable personal terminal

  • US 4,689,478 A
  • Filed: 12/24/1984
  • Issued: 08/25/1987
  • Est. Priority Date: 12/24/1984
  • Status: Expired due to Term
First Claim
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1. A system for handling data comprising:

  • a portable data handling device;

    at least one other system; and

    an interface module for coupling said device with said other system to transfer data between said device and said other system;

    said device being an intelligent device, comprising;

    means for storing data and machine instructions;

    means for executing said machine instructions;

    means for displaying data to a user of said device; and

    means for entering data on said device;

    said storing means including a personal identification number associated with a valid user of said device and also including a device identification number associated with said device; and

    means for verifying that a said user of said device is a valid user; and

    said other system having means for verifying that said device identification number is a valid one;

    said device being of a size enabling it to fit into a hand of said user;

    said storing means also including means for storing a plurality of separate entries associated with said valid user, and said machine instructions including separate applications for conducting transactions relative to said separate entries, which said separate applications can be selected via said entering means by said valid user after said valid user has in fact verified via said verifying means that the user is said valid user;

    said device also including;

    a sensor area for receiving data from said interface module; and

    a transmitting area for transmitting data from said device to said interface module;

    said sensor and transmitting areas being light-operated;

    said device including a panel and said sensor and transmitting areas being located on said panel;

    said interface module including;

    a transmitting area for transferring data by modulated light to said sensor area of said device;

    a sensor area for receiving modulated light;

    a source of light;

    means for directing light reflected from said transmitting area of said device to said sensor area of said interface module; and

    a receiving area for receiving said device to enable the transfer of data therebetween;

    said sensor area of said device being aligned with said transmitting area of said interface module and said source of light being aligned with said transmitting area of said device when said device is positioned in said receiving area;

    said device also including means for modulating the light from said source of light in accordance with the data to be transferred from said device.

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