Image pickup apparatus and lens unit

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United States of America Patent

PATENT NO 9453984
APP PUB NO 20150346455A1
SERIAL NO

14822148

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Abstract

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A first lens unit performing communication with an image pickup apparatus with a first voltage and a second lens unit performing communication with the image pickup apparatus with a second voltage are selectively attached to the image pickup apparatus. The image pickup apparatus includes a controller configured to operate with a third voltage different from at least one of the first and second voltages to output a signal for the communication with the first and second lens units, and a determiner configured to determine the type of the lens unit attached to the image pickup apparatus. The controller is configured to produce, as a voltage of the signal for the communication, from the third voltage, one of the first and second voltages corresponding to a determination result of the determiner.

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Patent Owner(s)

Patent OwnerAddress
CANON KABUSHIKI KAISHAOHTA-KU TOKYO 146-8501

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hasegawa, Takashi Tokyo, JP 370 3436
Kikuchi, Hiroshi Zushi, JP 353 4387
Konno, Yoshihiko Tachikawa, JP 24 250
Nishio, Tetsuya Kawasaki, JP 42 332
Sugawara, Azusa Yokohama, JP 22 210
Tokunaga, Tatsuyuki Saitama, JP 38 657

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