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Digital data transmission system

  • US 3,974,403 A
  • Filed: 11/11/1974
  • Issued: 08/10/1976
  • Est. Priority Date: 06/30/1972
  • Status: Expired due to Term
First Claim
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1. In a digital system, the combination comprising:

  • a. a transmission line;

    b. a plurality of input/output devices coupled to such transmission line, each one of such plurality of devices having an output transistor coupled to a voltage supply through a first transistor; and

    ,c. means for inhibiting a flow of current from the voltage source, through the first transistor, to the output transistor, such inhibiting means including an electronic switch coupled to the base electrode of the first transistor of each one of the plurality of input/output devices.

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