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US 10,165,193 B2Granted
Image pickup device and focal plane shutter
AssigneeSeiko Precision Inc.
InventorsSeiichi Oishi, Minori Murata, Motoharu Sakurai, Akira Ito
Life of this patent
Estimating the term…
Abstract
An image pickup device includes: an image pickup element; a board including an opening through which light entering the image pickup element passes; a shutter opening and closing the opening; an actuator driving the shutter, and including: a rotor; a stator; and first and second coils wound around the stator and not electrically connected to each other; and a drive circuit including plural terminal portions to which the first and second coils are individually connected.
Claims7
An image pickup device comprising:
- an image pickup element;
- a board including an opening through which light entering the image pickup element passes;
- a shutter opening and closing the opening;
- an actuator driving the shutter, and including:
- a rotor;
- a stator;
- and first and second coils wound around the stator and electrically connected to each other in parallel;
- and
- a drive circuit to which the first and second coils are connected,
- wherein
- the stator includes:
- a base portion;
- arm portions extending substantially in parallel with each other from respective ends of the base portion in substantially a same direction,
- the first and second coils are wound around one of the arm portions, and
- the drive circuit controls the first and second coils in response to an operation state of the shutter.
12 more elements
A focal plane shutter comprising:
- a board including an opening;
- a shutter opening and closing the opening;
- and
- an actuator driving the shutter, and including:
- a rotor;
- a stator;
- and
- first and second coils wound around the stator and electrically connected to each other in parallel,
- wherein one ends of the first and second coils wound around the stator are electrically connected to each other, and
- wherein other ends of the first and second coils wound around the stator are electrically connected to each other.
7 more elements
An image pickup device, comprising:
- an image pickup element;
- a board including an opening through which light entering the image pickup element passes;
- a shutter opening and closing the opening;
- an actuator driving the shutter, and including:
- a rotor;
- a stator having arm portions;
- and
- first and second coils wound around the stator and electrically connected to each other in parallel;
- and
- a drive circuit to which the first and second coils are connected,
- wherein the first and second coils are wound around one of the arm portions,
- wherein one ends of the first and second coils wound around the arm of the stator are electrically connected to each other, and
- wherein other ends of the first and second coils wound around the arm of the stator are electrically connected to each other.
10 more elements
Dependencies are inferred from the claim text.