CHARACTERISTIC DETECTOR, MEDIUM SUPPLY DEVICE, AND IMAGE FORMING APPARATUS INCORPORATING SAME

A characteristic detector includes two electrodes facing each other to form a passage through which a medium passes, a cover disposed between the two electrodes, a current generator to supply a current between the two electrodes, a capacitance gauge to measure a capacitance generated between the two...

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Hauptverfasser: Ueba, Ryohta, Satoh, Ryuuichi, Kushida, Yohei, Matsumura, Kyohei, Kondoh, Tomohide, Inokuchi, Sumihiro
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creator Ueba, Ryohta
Satoh, Ryuuichi
Kushida, Yohei
Matsumura, Kyohei
Kondoh, Tomohide
Inokuchi, Sumihiro
description A characteristic detector includes two electrodes facing each other to form a passage through which a medium passes, a cover disposed between the two electrodes, a current generator to supply a current between the two electrodes, a capacitance gauge to measure a capacitance generated between the two electrodes, and circuitry. The two electrodes have a shape or an arrangement in which at least two points on a leading end of the medium enter the passage with a time lag. The cover covers one of the two electrodes in connection with a size of the medium. The capacitance gauge detects the size of the medium based on the measured capacitance. The circuitry calculates a characteristic of the medium based on the capacitance measured by the capacitance gauge and the size of the medium detected by the capacitance gauge.
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subjects CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MAGNETOGRAPHY
MEASURING
PHOTOGRAPHY
PHYSICS
TESTING
title CHARACTERISTIC DETECTOR, MEDIUM SUPPLY DEVICE, AND IMAGE FORMING APPARATUS INCORPORATING SAME
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