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Intelligent telephone

  • US 4,503,288 A
  • Filed: 08/31/1981
  • Issued: 03/05/1985
  • Est. Priority Date: 08/31/1981
  • Status: Expired due to Fees
First Claim
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1. A self contained portable communication system for coupling to a telephone line comprising:

  • a keyboard terminal housing;

    a microprocessor located within said keyboard terminal housing;

    real time means, coupled to said microprocessor;

    a keyboard located on said keyboard terminal housing and having a plurality of alphanumeric data entry keys comprising a full alphanumeric key set in a nonorthogonal typewriter array in communication with said microprocessor;

    memory means located within said key board terminal housing and in communication with said microprocessor for storing a program for controlling the operation of said microprocessor;

    random access memory means in communication with said microprocessor for temporary storage of data;

    telephone line interface means for coupling to a phone line, said telephone line interface means being means for receiving electrical signals from and providing electrical signals to a phone line, including an off hook signal to maintain a phone line connection;

    a telephone handset having a speaker for converting electrical signals to audio signals and a microphone for converting audio signals to electrical signals to be provided to said phone line;

    a one line display means, mounted in said keyboard terminal housing and coupled to said microprocessor;

    at least one appliance control device in communication with said microprocessor and in communication with at least one appliance;

    whereby a user may depress data entry keys to enter data into said random access memory to cause said microprocessor to compute the cost of a telephone call placed through said communication system and to display the total cost on the display at the end of the phone call.

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