Liquid crystal display device
First Claim
1. A liquid crystal display device comprising a housing, a cover surrounding said housing, a liquid crystal display mounted to said housing revolvably between a retracted position and an evolved position, a control unit of said liquid crystal display, a drive unit of said liquid crystal display, and a control unit of said drive unit;
- wherein said drive unit of said liquid crystal display is equipped with a motor, a reduction gear for reducing an output of said motor, an intermediate shaft driven by said reduction gear, two coil-springs being co-axial with said intermediate shaft, a main shaft connected through a gear to said intermediate shaft, an arm mounted on said main shaft, and a bracket for mounting said liquid crystal display supported revolvably by said arm.
1 Assignment
0 Petitions
Accused Products
Abstract
A liquid crystal display device 1 comprising a housing 100 is mounted to a ceiling member of an airplane. An image control unit 110 is fixed to the housing 100, and a liquid crystal display 300 is fixed to a main shaft positioned at a center of rotation C1, so as to be driven to the arrow R1 direction. In a retracting unit, a liquid crystal panel 310 of the liquid crystal display 300 is opposed to the image control unit 110, and stored inside a cover 2,00 surrounding the housing 100. The whole height H1 of the liquid crystal display device 1 may be reduced, so as to secure the overhead clearance of the passengers.
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Citations
6 Claims
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1. A liquid crystal display device comprising a housing, a cover surrounding said housing, a liquid crystal display mounted to said housing revolvably between a retracted position and an evolved position, a control unit of said liquid crystal display, a drive unit of said liquid crystal display, and a control unit of said drive unit;
wherein said drive unit of said liquid crystal display is equipped with a motor, a reduction gear for reducing an output of said motor, an intermediate shaft driven by said reduction gear, two coil-springs being co-axial with said intermediate shaft, a main shaft connected through a gear to said intermediate shaft, an arm mounted on said main shaft, and a bracket for mounting said liquid crystal display supported revolvably by said arm. - View Dependent Claims (2)
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3. A liquid crystal display device comprising a housing, a cover surrounding said housing, a liquid crystal display mounted to said housing revolvably between a retracted position and an evolved position, a control unit of said liquid crystal display, a drive unit of said liquid crystal display, and a control unit of said drive unit;
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wherein said drive unit of said liquid crystal display is equipped with a motor, a first one-way clutch transmitting only a forward rotation of said motor, a clutch to which an output of said first one-way clutch is inputted, a reduction gear to which an output of said clutch is inputted, an intermediate shaft driven by the output of said reduction gear, two coil-springs being co-axial with said intermediate shaft, a main shaft driven by said intermediate shaft, and a liquid crystal display supported by said main shaft; and
said liquid crystal display is driven from said retracted position to said evolved position by a driving force of said motor, and driven from said evolved position to said retracted position by a spring force of said coil-springs. - View Dependent Claims (4, 5, 6)
wherein said third one-way clutch transmits a force to move said liquid crystal display toward the retracting direction to said damper.
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5. A liquid crystal display device according to claim 3, further comprising a second one-way clutch to which an output of said clutch is inputted, and a brake to which an output of said second one-way clutch is inputted;
wherein said brake generates a braking force when the power supply to said liquid crystal display device is stopped, and said second one-way clutch transmits said braking force to move said liquid crystal display toward the evolving direction.
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6. A liquid crystal display device according to claim 5, further comprising a device for releasing an operation of the brake manually.
Specification