Canon Kabushiki Kaisha

Yuki Niwamae

Kazuya Karibe

Hiroki Nakanishi

Kei Sato

Keitaro Tsuji

A shutter unit includes a base plate on which an opening is formed, at least one blade member, a driving member configured to be rotatably supported by the base plate and to drive, in imaging, the blade member from a standby position to a traveling completion position by using a biasing force of a biasing member, a braking member configured to cause the driving member to decelerate by coming into contact with the driving member, and a charging member configured to cause the driving member to operate to the standby position after causing the driving member to operate from the traveling completion position to a set position against the biasing force of the biasing member, and cause the braking member to operate from the traveling completion position to the standby position while causing the driving member to operate from the set position to the standby position.

Shutter unit and image pickup apparatus

A reading apparatus includes: a document platen on which a document is placed; a reading portion configured to read a document placed on the document platen; a cover that is openable and closable between a first position at which the document platen is covered and a second position at which the document is uncovered; and a frame member including a first inclination portion and a second inclination portion, configured to constitute at least a part of an outer frame of the document platen, the first inclination portion being adjacent to the document platen and higher with an increasing distance from the document platen, and the second inclination portion being arranged farther away from the document platen than the first inclination portion and higher with an increasing distance from the document platen.

Reading apparatus and printing apparatus

An image pickup apparatus configured to capture an image in accordance with a capturing instruction from a user includes a cam member having a first phase configured to hold the second drive member while the second biasing member is charged, and a second phase configured to enable the second drive member to be driven, a driver configured to drive the cam member, and a controller configured to drive the driver in a first direction after first imaging, until the cam member passes through the first phase and reaches the second phase, and to drive the driver in a second direction opposite to the first direction when an imaging instruction is released from the first imaging to second imaging next to the first imaging, until the cam member reaches the first phase from the second phase.

Image pickup apparatus

Provided are a detecting unit that detects that a light-shielding member has passed a predetermined position at the time of the light-shielding member moving to a closed state and to an opened state, and a control unit that changes at least one of a driving start timing at the time of driving a stepping motor and a driving speed at the time of driving the stepping motor, based on the detection results of the detecting unit.

Shutter device, and imaging apparatus having shutter device

A control unit for acquiring information relating to an environment in which a shutter device is used, and changing at least one of a driving start timing at a time of driving a motor and a driving speed at the time of driving the motor.

After a first cam bear has unlocked a blade lever, a second cam gear is driven from a mirror-down position to a mirror-up position. Accordingly, a first blade and a second blade are driven in a direction of opening an aperture by an urging force of a blade return spring before a mirror starts a mirror-up operation.

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Yokohama, Japan

Yuki Niwamae