Camera with the function of changing the transmittance of liquid-crystal display device when abnormality is sensed
AssigneeOlympus Optical Co., Ltd.
InventorsToshiaki Ishimaru, Hiroshi Yamada
Life of this patent
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Abstract
A camera has a liquid-crystal display device including a liquid crystal whose transmittance is variable. A sensing section senses an abnormality in the camera. A liquid-crystal control section, in a release signal wait mode, brings the liquid crystal of the liquid-crystal display device into a light-transmitting state and, when the sensing section has sensed an abnormality in the camera, changes the transmittance of the liquid crystal of the liquid-crystal display device.
Claims21
A camera with a liquid-crystal display device including a liquid crystal whose transmittance is variable, the camera comprising:
- a sensing section for sensing an abnormality in the camera;
- and
- a liquid-crystal control section which, in a release signal wait mode, brings the liquid crystal of the liquid-crystal display device into a light-transmitting state and, when the sensing section has sensed an abnormality in the camera, changes the transmittance of the liquid crystal of the liquid-crystal display device;
- wherein, even while the transmittance of the liquid crystal is being changed, when an opening/closing state of a lens barrier or rear cover of the camera is changed the liquid-crystal control section restores the liquid crystal to the light-transmitting state and an initial operation of the camera is re-performed.
A camera having a liquid-crystal display device in its finder, the liquid-crystal display device including a liquid crystal whose transmittance is variable, the camera comprising:
- an actuating section for actuating the camera;
- a sensing section for sensing an abnormality in the operation of the camera caused by the actuating section;
- a release signal output section;
- and
- a liquid-crystal control section which, in a release signal wait mode, brings the liquid crystal of the liquid-crystal display device into a light-transmitting state and, when the sensing section has sensed an abnormality in the camera, lowers the transmittance of the liquid crystal of the liquid-crystal display device or changes the transmittance periodically;
- wherein, even while the transmittance of the liquid crystal is being changed, when an opening/closing state of a lens barrier or rear cover of the camera is changed the liquid-crystal control section restores the liquid crystal to the light-transmitting state and an initial operation of the camera is re-performed.
Dependencies are inferred from the claim text.