×

Manual and automatic probe calibration

  • US 8,781,543 B2
  • Filed: 03/26/2012
  • Issued: 07/15/2014
  • Est. Priority Date: 06/07/1995
  • Status: Expired due to Fees
First Claim
Patent Images

1. In a pulse oximetry system which uses interchangeable sensors having a plurality of light emitting devices, a method of operating the sensor, the method comprising:

  • driving a first drive line of a sensor at a first voltage level in order to read, using a patient monitoring device, operating characteristics of the sensor coded on a semiconductor device housed in the sensor during an initialization period;

    driving the first drive line of the sensor at a second voltage level in order to drive light emitting devices of the sensors during a measurement period.

View all claims
  • 3 Assignments
Timeline View
Assignment View
    ×
    ×