Electronic flash system

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United States of America Patent

PATENT NO 4477171
SERIAL NO

06402600

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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There is disclosed an electronic flash system having a diaphragm which is operated on the basis of an aperture control signal from an electronic flash device. A light sensitive element position in the camera system produces an electrical signal representing the amount of flash light passed through the aforesaid diaphragm of the adjusted aperture size. A circuit for controlling the amount of flash light emitted from the flash device controls the amount of flash light based on the electrical signal.

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Patent Owner(s)

  • CANON KABUSHIKI KAISHA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Yamada, Masanori Kanagawa, JP 137 1461

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