Diaphragm device for video camera lens and method for controlling diaphragm device

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9921455
APP PUB NO 20160018717A1
SERIAL NO

14869031

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A diaphragm device includes a diaphragm mechanism, a connector, an identification unit for identifying a control mode of a signal communicated via the multiple terminals on the basis of voltage of the signal, and a control unit, wherein the switching unit switches the communication path so that a pulse signal capable of driving the pulse signal driven actuator is generated for generating the pulse signal on the basis of the signal, and output to the pulse signal driven actuator if the control mode of the signal is identified as one based on a control mode incapable of directly driving the pulse signal driven actuator; and the switching unit switches the communication path so that the signal is output to the pulse signal driven actuator if the control mode of the signal is identified as a first control mode based on a pulse signal directly driving the pulse signal driven actuator.

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Patent Owner(s)

Patent OwnerAddress
FUJIFILM CORPORATION26-30 NISHIAZABU 2-CHOME MINATO-KU TOKYO 106-8620

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hamana, Akinori Saitama, JP 8 147
Kuwakino, Koshi Saitama, JP 8 56
Nagata, Kouichi Saitama, JP 27 304
Nakamura, Hiroshi Saitama, JP 877 11765
Yamamoto, Shinichi Saitama, JP 196 1450

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