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Three state switch detection using current sensing

  • US 5,714,852 A
  • Filed: 09/13/1996
  • Issued: 02/03/1998
  • Est. Priority Date: 09/13/1996
  • Status: Expired due to Term
First Claim
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1. A circuit for converting a three state input to a two-bit binary output comprising:

  • a first switch connecting a first output to said input when said input is high, said first output connected to a first reference voltage; and

    a second switch connecting a second output to said input when said input is low, said second output connected to a second reference voltage.

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