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Seiko Precision Inc patents


Recent patent applications related to Seiko Precision Inc. Seiko Precision Inc is listed as an Agent/Assignee. Note: Seiko Precision Inc may have other listings under different names/spellings. We're not affiliated with Seiko Precision Inc, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "S" | Seiko Precision Inc-related inventors


Blade drive device and optical instrument

There is provided a blade drive device including a substrate that has an opening, a front curtain and a rear curtain that are movable along an opening surface of the opening so as to open and close the opening, a front curtain locking portion that interlocks with opening and closing operations of the front curtain, a rear curtain locking portion that interlocks with opening and closing operations of the rear curtain, and a regulation lever that is configured to be pivotally movable around a lever axis, and that is capable of entry and escape between an entry position which enters each operation trajectory of the front curtain locking portion and the rear curtain locking portion in response to the opening and closing operations of the front curtain and the rear curtain and an escape position escaped from the operation trajectory. The regulation lever has a front curtain regulation portion which can be locked by the front curtain locking portion from one side around the lever axis at the entry position so as to regulate movement of the front curtain in a closing direction, and a rear curtain regulation portion which can be locked by the rear curtain locking portion from the other side around the lever axis at the entry position so as to regulate movement of the rear curtain in a closing direction.. ... Seiko Precision Inc

Blade drive device and optical instrument

There is provided a blade drive device including a substrate that has an opening, a front curtain and a rear curtain that are movable along an opening surface of the opening so as to open and close the opening, a front curtain electromagnetic actuator that actuates the front curtain, a rear curtain electromagnetic actuator that actuates the rear curtain, and that is capable of holding the rear curtain at an open position in a state having no power supply, a front curtain locking portion that interlocks with opening and closing operations of the front curtain, a rear curtain locking portion that interlocks with opening and closing operations of the rear curtain, and a blade position holding mechanism that is capable of entry and escape between an entry position which enters each operation trajectory of the front curtain locking portion and the rear curtain locking portion in response to the opening and closing operations of the front curtain and the rear curtain and an escape position escaped from the operation trajectory. At the entry position, the blade position holding mechanism can engage with both the front curtain locking portion and the rear curtain locking portion, thereby regulating the movement of the front curtain and the rear curtain in the closing direction.. ... Seiko Precision Inc

Blade drive device and optical instrument

There are provided a blade drive device and an optical instrument. The blade drive device includes a substrate that has an opening, a front curtain and a rear curtain that are movable along an opening surface of the opening so as to open and close the opening, a front curtain locking portion that interlocks with opening and closing operations of the front curtain, a rear curtain locking portion that interlocks with opening and closing operations of the rear curtain, a regulation lever that is configured to be pivotally movable around a lever axis, that enters an operation trajectory of the front curtain locking portion and the rear curtain locking portion, and that is capable of entry and escape between an entry position for regulating the movement of the front curtain and the rear curtain in a closing direction and an escape position escaped from the operation trajectory, a regulation electromagnetic actuator that is configured to be rotatable around a regulation axis, and a linkage lever that causes the regulation lever to pivot around the lever axis in response to the rotation around the regulation axis of the regulation electromagnetic actuator. ... Seiko Precision Inc

Printing unit and printer

A printing unit includes: a line feed plate moving with a carriage in a line feed operation area; and guide members provided on a unit frame, engaging with the line feed plate, and guiding the carriage and the line feed plate toward one side in a left-right direction as the carriage and the line feed plate move toward one side in a front-back direction in the line feed operation area. Each guide member includes: a line feed guide extending toward one side in the left-right direction as it goes toward one side in the front-back direction and guiding the carriage toward one side in the left-right direction as the carriage moves toward one side in the front-back direction in the line feed operation area; and regulating sections continuing at least to one end in the front-back direction of the line feed guide and regulating the movement of the carriage in the left-right direction.. ... Seiko Precision Inc

Focal-plane shutter and optical apparatus

A focal-plane shutter capable of stabilizing a curtain in continuous photographing action for suppression of variation in light exposure period is provided. The focal-plane shutter includes a base plate having a first opening, a blade receiving plate so arranged as to face the base plate and having a second opening formed in a position corresponding to the first opening, and a rear curtain that is arranged between the base plate and the blade receiving plate and moves between an open position where the first opening and the second opening are open and a closed position where the first opening and the second opening are closed to open and close the first opening and the second opening. ... Seiko Precision Inc

Blade drive device and optical apparatus

To provide a blade drive device that may prevent malfunction of blades. A blade drive device includes a base plate having an opening to be opened and closed by a blade on an optical axis, and a flexible substrate having joint portions to which conductor wires of a first actuator and a second actuator that drive the blades are joined, the flexible substrate being provided between the base plate and the blades on one side of the base plate in an axis direction of the optical axis. ... Seiko Precision Inc

Printing unit and printer

A printing unit includes a carriage, a printing head mounted on the carriage, a guide pillar configured to support the carriage to be reciprocatingly movable in the front-back direction, a unit frame configured to support the guide pillar to be movable in the left-right direction, and a line-feed mechanism configured to move the carriage in the left-right direction. The line-feed mechanism includes a line-feed plate supported by the guide pillar to be movable in the front-back direction and a guide member configured to engage with the line-feed plate and guide the line-feed plate in the left-right direction together with the guide pillar according to the movement in the front-back direction of the line-feed plate. ... Seiko Precision Inc

Focal-plane shutter and optical apparatus

A focal-plane shutter capable of suppressing production of foreign matter is provided. The focal-plane shutter includes a base plate, rear curtain drive arms, a blade that is driven by the rear curtain drive arms, and an elastically deformable cushioning member that comes into contact with the blade that moves from a retracted position to an unfolded position. ... Seiko Precision Inc

Focal-plane shutter and optical apparatus

A focal-plane shutter capable of preventing deterioration of the quality of a captured image is provided. A focal-plane shutter includes a base plate having an opening, a rear curtain that moves between an open position where the opening is open and a closed position where the opening is closed to allow the opening to be open and closed, and a first cushioning member that comes into contact with the rear curtain, and the rear curtain has a first protrusion that is located outside the opening, protrudes in a first direction from the open position toward the closed position, and comes into contact with the first cushioning member when the rear curtain moves from the open position to the closed position.. ... Seiko Precision Inc








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