Ring Oscillator Based Chemical Sensor
Patent, Filed 25 Nov 97, patented 20 Apr 99
DEPARTMENT OF THE NAVY WASHINGTON DC
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A chemical sensor couples a material that changes temperature in response to a chemical condition with an oscillator. The oscillator is coupled to the material to detect the change in temperature in the material so that the frequency of the oscillator changes in correspondence with the change in temperature as an indication of the chemical condition.
- Chemical, Biological and Radiological Warfare