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US 2006/0123885 A1Published application
Photoelectrocatalytic sensor for measuring oxidizable impurities in air
AssigneeHoneywell International Inc.
InventorsStephen Yates, Brian Krafthefer, Barrett Cole
Life of this patent
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Abstract
A photoelectrocatalytic sensor system for measuring oxidizable impurities in air. The sensor system may include a transistor having an electrode and a channel for the flow of current, a photocatalytic material coated onto the electrode of the transistor, a light source for producing an ultraviolet light beam onto the photocatalytic material, and a sensor for measuring the flow of current.
Claims20
A sensor for measuring oxidizable impurities comprising:
- a light source configured to generate an ultraviolet light beam;
- an electronic device having a conductive surface;
- and
- a photocatalytic material coated onto the conductive surface of the electronic device for receiving the ultraviolet light beam.
1 more element
A sensor system for measuring oxidizable impurities in air comprising:
- a transistor having an electrode and a channel for the flow of current;
- a photocatalytic material coated onto the electrode of the transistor;
- a light source for producing an ultraviolet light beam onto the photocatalytic material;
- and
- a sensor for measuring the flow of current.
2 more elements
A sensor system for measuring oxidizable impurities in air comprising:
- a field effect transistor having an electrode, a first conductor and a second conductor;
- a titanium dioxide material contacting the electrode of the field effect transistor;
- an ultraviolet light emitting diode to produce ultraviolet light directed toward the titanium dioxide material;
- a device to measure the amount of current traveling between the first conductor and the second conductor;
- and
- a channel to direct the flow of air through the ultraviolet light.
3 more elements
Dependencies are inferred from the claim text.