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Circuit arrangement employing a microprocessor module for data conversion in a data transmission between a personal computer and communication equipment

  • US 5,392,403 A
  • Filed: 04/23/1992
  • Issued: 02/21/1995
  • Est. Priority Date: 04/29/1991
  • Status: Expired due to Term
First Claim
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1. A circuit arrangement for data conversion in a data transmission between a serial data interface of a personal computer and a serial data interface of a communication equipment, comprising:

  • a microprocessor module arranged between a level converting module and a decoupling module, said microprocessor module comprising a serial-to-parallel converter arranged at an input side thereof, a parallel-to-serial converter arranged at an output side thereof, and a control means for converting data according to a given desired procedure;

    said level-converting module having its input side connected to the serial data interface of the personal computer and its output side connected to the serial-to-parallel converter; and

    said decoupling module having means for electrical isolation of the communication equipment from the personal computer, and which has its output side connected to the serial data interface of the communication equipment and its input side connected to the parallel-to-serial converter.

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