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Oximeter sensor with encoder connected to detector

  • US 6,298,252 B1
  • Filed: 09/22/1999
  • Issued: 10/02/2001
  • Est. Priority Date: 09/29/1998
  • Status: Expired due to Term
First Claim
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1. An oximeter monitor comprising:

  • a drive circuit configured to provide drive current to a light emitter in an oximeter sensor;

    a detector circuit coupled to a detector lead for connecting to a light detector in said oximeter sensor; and

    a measuring circuit, coupled to said detector lead, for receiving information from an encoding element connected to said detector lead in said oximeter sensor, the encoding element encoding a characteristic of the sensor, said measuring circuit including a circuit for reverse biasing a photodiode connected to said detector lead.

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