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Computer terminal device for producing different types of buzzer sounds

  • US 4,821,221 A
  • Filed: 05/31/1985
  • Issued: 04/11/1989
  • Est. Priority Date: 06/04/1984
  • Status: Expired due to Fees
First Claim
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1. A computer terminal printer device for generating different types of buzzer sounds indicating printer status information such as end of printing, interruption of printing, generation of errors, etc., in response to control signals from a remote host computer, said computer terminal printer device comprising:

  • buzzer sound data memory means for storing a plurality of buzzer sound data which are obtained by converting a plurality of intermittent buzzer sounds to numeric values;

    interfacing means for interfacing control signals between said terminal printer device and said host computer, said interfacing means including;

    (a) receiving means for receiving coded data from said host computer;

    (b) data discriminating means for decoding the coded data received by said receiving means; and

    (c) an index register for storing a decoding result of said data discriminating means;

    buzzer sound readout means for reading out the buzzer sound data from said buzzer sound data memory means so as to correspond to the control signals transmitted by said host computer;

    a buzzer unit for producing intermittent buzzer sounds corresponding to the readout buzzer sound data; and

    processor means at said terminal printer device for controlling said interfacing means.

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