Shutter device
First Claim
Patent Images
1. A shutter device, comprising:
- a base with a lens hole;
first and second blades configured to rotate about a hinge in the base, and rotate to a closing position closing the lens hole and to an open position opening the lens hole; and
an actuator configured to include;
a magnet unit and a coil configured to generate a rotation moment for the first and second blades, anda restoring unit configured to restore the first and second blades to the closed position when power is not supplied to the coil, wherein the actuator further comprises a slider and a yoke member, and the yoke member comprises a first lug, a second lug and a third lug, where the coil passes a discrete space between the first and second lugs, and is wound in the shape of a hollow pillar passing a discrete space between the second and third lugs, and wherein the second lug is not equidistant between the first and third lugs such that a restoring force is applied to the slider in a closing direction.
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Abstract
A shutter device is disclosed, the device including a base formed with a lens hole through which reflective light from an object passes, a first blade and a second blade rotating about a hinge provided at the base to open or close the lens hole, and an actuator provided with a linearly-shifting slider at an area eccentrically positioned from the hinge to allow the first and second blades to be activated with rotation moment.
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Citations
6 Claims
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1. A shutter device, comprising:
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a base with a lens hole; first and second blades configured to rotate about a hinge in the base, and rotate to a closing position closing the lens hole and to an open position opening the lens hole; and an actuator configured to include; a magnet unit and a coil configured to generate a rotation moment for the first and second blades, and a restoring unit configured to restore the first and second blades to the closed position when power is not supplied to the coil, wherein the actuator further comprises a slider and a yoke member, and the yoke member comprises a first lug, a second lug and a third lug, where the coil passes a discrete space between the first and second lugs, and is wound in the shape of a hollow pillar passing a discrete space between the second and third lugs, and wherein the second lug is not equidistant between the first and third lugs such that a restoring force is applied to the slider in a closing direction. - View Dependent Claims (2, 3, 4, 5, 6)
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Specification