A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
73/55
A61B 5/02 (2006.01) A61B 5/0215 (2006.01) G01D 5/26 (2006.01) G01K 11/12 (2006.01)
Patent
CA 1320355
Temperature and Pressure Monitors Utilizing Interference Filters Abstract of the Disclosure An interference edge filter [11] is mounted on the end of an optical fiber [10] to provide a sensor for pressure or temperature. The filter is formed such that the transition slope [21] of the filter curve [20] will move to the left or right depending upon the changes in the parameter being monitored. The shift in the position of the slope [21] of the edge filter curve [20] is detected by passing the reflected light through an interference bandpass filter [381 having an edge slope [50] inter- secting the transition slope [21] and measuring the intensity of the light passing the bandpass filter.
593217
Macrae & Co.
Medex Inc.
Nicholson Warren B.
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