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7854557 |
Vane driving device
A vane driving device includes: two boards each having an opening and defining a blade chamber therebetween; a blade changing an area of the opening and housed in the blade chamber; a drive source...
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7850375 |
Light quantity adjusting apparatus, image pickup apparatus and optical apparatus
At least one exemplary embodiment is directed to a light quantity adjusting apparatus that can include a first blade member configured to be driven by a drive source, such as a motor, and a second...
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7682092 |
Camera shutter assembly having casing walls for guiding a shutter and method for producing same
A shutter assembly has an actuator for applying a whip action on a shutter wing for blocking or exposing an aperture. The shutter wing has a first blade fixedly connected to the actuator and a...
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7553094 |
Light quantity adjusting apparatus, image pickup apparatus and optical apparatus
At least one exemplary embodiment is directed to a light quantity adjusting apparatus that can include a first blade member configured to be driven by a drive source, such as a motor, and a second...
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5598244 |
Camera mechanism displacement means
A camera is provided with means for effecting cyclic displacement of a mechanical system, such as a mirror mechanism (1) or shutter mechanism, between two end positions. The means include spring...
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5416547 |
Camera lens focus and shutter aperture setting
A lens shutter camera includes a movable picture taking lens that can be moved along an optical axis and positioned at a focus setting such that a camera subject is in focus, an adjustable shutter...
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4213689 |
Electromagnetically actuated shutter mechanism for cameras
The shutter mechanism includes a blade pivotally mounted intermediate its ends. Nearer one end of the blade is an opening through which the subject is viewed when focusing the camera and through...
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3956761 |
Shutter device for a photographic camera
A shutter device for a photographic camera has a pair of shutter blade members movable between first and second rest positions for opening or closing the camera aperture, including drive devices...
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3883885 |
HIGH-SPEED SHUTTER
A high speed photographic shutter is activated by the tensile force exhibited by a prestretched wire of 55-Nitinol joined to the shutter as the wire restores to its prestretched length at high...
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3595553 |
SHOCK-ABSORBING DETENT
An electromagnetically actuated photographic shutter including an actuator having a relatively uniform output force characteristic, and a shock-absorbing stop consisting of a member having an...
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3551059 |
BRIGHTNESS OR LIGHT INTENSITY DETECTING DEVICE
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RE10448 |
Title is not available
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3115078 |
Camera
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2980004 |
Camera shutter mechanism
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2869396 |
Holding means for camera shutter setting knobs
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