| Patent Number |
Title Of Patent |
Date Issued |
| RE38618 |
Method and apparatus for automatic pixel clock phase and frequency correction in analog to digit |
October 12, 2004 |
| A method for producing a digital video signal from an analog video signal, the analog video signal including an analog video data signal that is raster scanned in lines across a CRT screen to form consecutive frames of video information, the raster scanning controlled by use of a horizon |
| RE37578 |
Image projection system |
March 12, 2002 |
| An image projector is provided with a light valve having an upstream side and an downstream side. A light source is disposed on the upstream side of the light valve, and a front lens system with an entrance pupil is disposed on the downstream side of the light valve. A back optical syste |
| D574877 |
Projection device |
August 12, 2008 |
|
| D562873 |
Projection device |
February 26, 2008 |
|
| D559885 |
Projection device with docking station |
January 15, 2008 |
|
| D557319 |
Docking station for a projection device |
December 11, 2007 |
|
| D557317 |
Projection device |
December 11, 2007 |
|
| D552150 |
Projection device |
October 2, 2007 |
|
| D550269 |
Projection device |
September 4, 2007 |
|
| D545341 |
Image-rendering unit for a projection device |
June 26, 2007 |
|
| D539326 |
Projection device |
March 27, 2007 |
|
| D536359 |
Projection device |
February 6, 2007 |
|
| D531136 |
Remote control for a projection device |
October 31, 2006 |
|
| D520551 |
Projection device |
May 9, 2006 |
|
| D517109 |
Image-rendering unit for a projection device |
March 14, 2006 |
|
| D515127 |
Projector |
February 14, 2006 |
|
| D514611 |
Projector |
February 7, 2006 |
|
| D513030 |
Projector |
December 20, 2005 |
|
| D503734 |
Projection device |
April 5, 2005 |
|
| D503420 |
Image-rendering unit for a projection device |
March 29, 2005 |
|
| D502955 |
Projector system |
March 15, 2005 |
|
| D494994 |
Projection device |
August 24, 2004 |
|
| D488180 |
Projector system |
April 6, 2004 |
|
| D488179 |
Projector system |
April 6, 2004 |
|
| D487767 |
Adaptor module for a projector system |
March 23, 2004 |
|
| D482715 |
Projector system |
November 25, 2003 |
|
| D482380 |
Projector system |
November 18, 2003 |
|
| D443630 |
Portable image projection system |
June 12, 2001 |
|
| 7452085 |
Dynamically adjustable fold-mirror assembly for projection device |
November 18, 2008 |
| An apparatus, system, and method for a fold-mirror assembly with a dynamically adjustable mirror element for use in a projection device are disclosed herein. |
| 7447608 |
Method and apparatus for a collaborative meeting room system |
November 4, 2008 |
| A method and apparatus for a collaborative meeting room system. In response to user input, an electronic device starts a meeting timer to begin timing a meeting at which a previously-created meeting agenda is used. The electronic device causes a projection device to project a running |
| 7442161 |
Position adjuster for a device |
October 28, 2008 |
| A position adjuster for a projection device is provided. The position adjuster may include both a coarse adjustment mechanism and a fine adjustment mechanism for positioning the projection device relative a reference surface. |
| 7436592 |
Combination screen |
October 14, 2008 |
| A combination screen. The combination screen can be configured to provide both light diffusion functionality and light redirection functionality. |
| 7433122 |
Front-projection screen with subsurface diffusion targets |
October 7, 2008 |
| An apparatus, system, and method for a front-projection screen having a subsurface diffusion target are disclosed herein. |
| 7413313 |
Optical shutter with rotational axis in light path of projection device |
August 19, 2008 |
| An apparatus, system, and method for an optical shutter with a rotational axis in the light path of a projection device are disclosed herein. |
| 7413312 |
Projection device and screen |
August 19, 2008 |
| A projection system. The projection system includes a projector, a projector holder, and, optionally, a screen. When included, the screen has at least a deployed configuration in which a viewing portion of the screen is substantially planar. The projector includes a wide-angle lens s |
| 7408527 |
Light emitting device driving method and projection apparatus so equipped |
August 5, 2008 |
| A projection system is provided with a controller equipped to drive light emitting devices of a light source of the projection system in a manner that enhances the operational life of the light emitting devices, the ability to provide peak white, and/or finer gray scale. |
| 7408202 |
Solid state device with current spreading segments |
August 5, 2008 |
| Solid state devices, such as solid state light emitting devices, having non-linear current spreading segments are disclosed. Projection subsystems and systems equipped with such solid state light emitting devices are also disclosed. |
| 7407296 |
Integrated light gathering reflector and optical element holder |
August 5, 2008 |
| An integrated light gathering reflector and optical element holder for a projection device includes opposing first and second members. Each of the first and second members define a light gathering reflector portion and an optical element holder portion. The shape of the first member is |
| 7397603 |
Deployable projection screen |
July 8, 2008 |
| Embodiments of apparatuses, methods and systems for deployable projection screens are generally described herein. Other embodiments may be described and claimed. |
| 7393109 |
Method and apparatus for cooling optics |
July 1, 2008 |
| Embodiments of methods and apparatus for cooling optics are disclosed. |
| 7384154 |
Temperature control system and method for projection device lenses |
June 10, 2008 |
| A temperature control system and method for projection device lenses. The temperature control system includes a controllable heater for selectively heating one or more lenses pad a controller for adjusting heat from the heat source responsive to an operating condition. |
| 7375867 |
Transmissive electromechanical light valve and system |
May 20, 2008 |
| An apparatus, system, and method for a transmissive electromechanical light valve including a gate pivotable between a first position to allow light to pass through a valvelet and a second position to prevent light from passing through the valvelet are disclosed herein. Other embodiments |
| 7372883 |
Light emitting device driver circuit |
May 13, 2008 |
| A driver circuit is designed employing a current sensing circuit adapted to sense driving current being supplied to one or more light emitting devices. The driver circuit additionally employs a pulse width modulation circuit adapted to modulate a pulse width of a control signal based at |
| 7372628 |
Display screen |
May 13, 2008 |
| A display screen for a projection device is disclosed, wherein the display screen includes a substantially rigid translucent backing structure, and a viewing surface disposed on the backing structure, wherein the viewing surface has a frosted appearance. The display screen also may inclu |
| 7367679 |
Light source for a display device |
May 6, 2008 |
| A light source for a display device. The light source comprises a light-producing element, a reflector disposed around at least a portion of the light-producing element, a housing disposed substantially around the reflector, an airflow channel defined adjacent an outer wall of the ho |
| 7362564 |
Docking assembly for coupling a nonvolatile memory device to an electronic device |
April 22, 2008 |
| An apparatus, system, and method for a tray to receive and couple a nonvolatile memory device to an electronic device disposed within a housing, are disclosed herein. |
| 7352507 |
Screen assembly |
April 1, 2008 |
| A screen assembly is disclosed, wherein the screen assembly includes a frame including a screen retention section configured to receive and retain the screen, wherein the screen retention section includes a channel configured to receive an edge of the screen, and a screen retaining m |
| 7350939 |
Alignment structure for use with a light source and/or a light gathering reflector |
April 1, 2008 |
| Embodiments of methods, apparatuses, devices and systems associated with a pre-aligned light source for use with a light gathering reflector are disclosed. |
| 7350923 |
Image-rendering device |
April 1, 2008 |
| In a computing device configured to be connected to a wireless network, a method of projecting an image via a projection device over the wireless network, is provided, wherein the projection device is connected to the wireless network via an image-rendering device configured to receive d |
| 7341353 |
Variable fresnel screen for use in projection device |
March 11, 2008 |
| A thin rear projection television using a wide angle lens system is provided. In an embodiment, a fresnel screen is used in which there are at least two spatial zones in the screen with different properties. The at least two zones may be adapted to compensate for the variation in inp |
