Constant current source and solid imaging apparatus using the same

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United States of America Patent

PATENT NO 8836313
SERIAL NO

13188519

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Abstract

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A constant current source has a first current source circuit for outputting a first current; a second current source circuit for outputting a second current according to a reference voltage; a current comparison circuit for comparing magnitudes of the first and second currents; and a current adjustment unit for adjusting a current value of the first current output from the first current source circuit in accordance with a comparison result of the current comparison circuit.

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Patent Owner(s)

  • CANON KABUSHIKI KAISHA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Takagi, Makoto Kawasaki, JP 93 1509
Yamazaki, Kazuo Ebina, JP 183 2391

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