Matches 1 - 22 out of 22


Match Document Document Title
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...

Matches 1 - 22 out of 22