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US20080297734 |
PROJECTION DISPLAY DEVICE AND METHOD FOR CONTROLLING OFF-BEAMS THEREOF
A projection display device and a method for controlling off-beams thereof are provided. The projection display device includes a case, a light source which is disposed in the case and outputs... |
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US20130128242 |
Projector Having A Dynamically Positioned Shutter
A projector includes: a projection optical device; an exterior housing; a shutter; and a support member, the shutter and support member are provided with an engagement structure including an... |
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US20080043208 |
Projection system and its optical shutter
An optical shutter for a projection system includes a shutter element and an actuator. The shutter element includes a light-shielding portion and a linkage portion. The light-shielding portion is... |
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US20080239250 |
COMPUTER PROJECTOR METHOD AND APPARATUS
A method includes detecting a person located between a projector and a surface on which a first image is projected by the projector, and automatically blacking out a portion of the first image, so... |
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US20070052933 |
Projector having a scatter blocking member
The present invention relates to a projector having a light source and a display device generating an image by using light emitted from the light source. A projection lens projects an image... |
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US20100201957 |
PROJECTOR
A projector includes: a projection optical device; an exterior housing; a shutter; and a support member, the shutter and support member are provided with an engagement structure including an... |
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US20090174869 |
Projection display and optical aperture unit
A gear portion meshing with the first step of a pinion gear at the side of a motor, which is a driving unit of optical aperture mechanism, is designed to be a two-gears composition of a gear... |
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US20130293591 |
Projector with Shutter
A projection apparatus includes a shutter mechanism to prevent light from reaching an image plane during calibration of light sources. The shutter mechanism may include liquid crystal material... |
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US20100073643 |
PROJECTOR
A projector includes: a light source; a light modulation device which modulates a light emitted from the light source and forms image light; a projection device which magnifies and projects the... |
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US20140327888 |
PROJECTION ZOOM LENS AND PROJECTION TYPE DISPLAY DEVICE
A projection zoom lens substantially consists of a negative first lens group and a positive second lens group, in this order from the magnification side. The first lens group substantially... |
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US20120154765 |
VIDEO PROJECTOR
A video projector for projecting light of an image includes a shutter capable of blocking the light of an image. The shutter includes a plate member movable between a light blocking position, at... |
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US20110096301 |
IMAGE PROJECTION APPARATUS WITH SHUTTER UNIT
The image projection apparatus includes a light modulating element, a projection lens configured to project light modulated by the light modulating element onto a projection surface, an optical... |
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US20100231871 |
PROJECTOR
A projector includes: a light source device; an optical modulation device configured to modulate a luminous flux emitted from the light source device in accordance with image information, forming... |
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US20100220300 |
PROJECTION DISPLAY APPARATUS
Provided is a projection display apparatus capable of avoiding decreasing efficiency in the use of a light beam propagating from a light source, thereby to display a high-quality image. The... |
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US20100188643 |
PROJECTOR APPARATUS
A projector apparatus includes: a case; a light source which is provided in the case and emits light by supply of power; an opening provided in the case; an image projection unit that generates... |
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US20150355534 |
Light Directing Device and Method of Use
The light directing device of the present invention is comprised generally of a housing unit with at least one orifice, a light source inside the housing unit, at least one movable shield, a means... |
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US20150002826 |
PROJECTOR
A projector includes an armor housing including an opening section through which an image is transmitted and a shutter device configured to open and close the opening section. The shutter device... |
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US20130265554 |
COMPACT LASER PROJECTION SYSTEMS AND METHODS
An automated adaptive optics and laser projection system is described. The automated adaptive optics and laser projection system includes an adaptive optics system and a compact laser projection... |
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US20130229635 |
PROJECTION LENS AND PROJECTION DEVICE
A projection lens provided is for projecting an image beam. The projection lens is disposed on a transmission path of the image beam and includes a first group of lenses and a second group of... |
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US20130088691 |
PROJECTION APPARATUS
The present invention provides a projection apparatus including a light source module, an illumination lens module, a light valve, and a projection lens. The light source module is configured to... |
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US20130027675 |
DISPLAY ELEMENT, DISPLAY DEVICE, AND PROJECTION DISPLAY DEVICE
The present invention includes light valve section (10) having a plurality of shutter mechanisms (14) that switch between a transmitting state and a shading state of light emitted from light... |
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US20110116056 |
IMAGE PROJECTION APPARATUS HAVING SHUTTER MECHANISM FOR HIDING PROJECTION IMAGE
An image projection apparatus 500 includes an optical modulation element 206R, 206G, 206B, a projection lens 100 configured to project light modulated by the optical modulation element onto a... |