Moisture sensor with automatic emitter intensity control

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 6262407
SERIAL NO

09223955

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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An automatic intensity control unit for use in a moisture sensor which senses moisture on the surface of a transparent material. The moisture sensor includes one or more emitters for producing an emitter signal which is influenced by moisture on the transparent material, and one or more detectors for receiving the emitter signals. The automatic intensity control unit adjusts the intensity of the emitter signals to accommodate transparent materials having different transmittances. The automatic intensity control unit includes a comparator for comparing the intensity the emitter signals received by the detectors with a predetermined reference signal and a counter communicating with the comparator for producing a counter output. The automatic intensity control unit also includes an emitter driver for providing power to the emitters in an amount which determines the intensity of the emitter signals, and an emitter intensity control signal generator communicating with the counter and the emitter driver for controlling the intensity of the emitter signals.

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Patent Owner(s)

Patent OwnerAddress
LIBBEY-OWENS-FORD CO811 MADISON AVENUE TOLEDO OHIO 43695 U S A

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Teder, Rein S Bloomington, MN 24 2164

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