| Patent Number |
Title Of Patent |
Date Issued |
| 7331678 |
Method and system for a thermal architecture and user adjustable keystone in a display device |
February 19, 2008 |
| A rear projection display device. The display device includes a screen and a base to which the screen is mounted. The base includes a plurality of vents to allow air to flow in and out of the base, a heat source, and an air movement device to move air from near the screen, past the heat |
| 7331552 |
Hollow pivot |
February 19, 2008 |
| Apparatuses, a system, and a method for rotatable coupling of components are disclosed herein. The apparatus may include a base having a mounting feature to couple the appparatus to a product housing and a through-hole to provide access to an interior cavity of the product housing. The |
| 7321946 |
Link extender having equalization circuitry |
January 22, 2008 |
| An apparatus comprises a first plug to couple the apparatus to a host connection and a second plug to couple the apparatus to a display connection. The apparatus further comprises a metallic transmission medium coupled to the first plug and link extender circuitry coupled to the meta |
| 7313589 |
Network projector interface system |
December 25, 2007 |
| A network projector interface system is provided. In one embodiment, the system includes client software stored on a recordable medium and at least partially executable on a client computer on a network, where the client software provides a client interface configured to aid a user in |
| 7312913 |
Imaging light source with polarization and color recovery |
December 25, 2007 |
| The present invention provides a polarized colored light source for a display system in which light of other polarization states and colors are recycled. The color can be scrolled synchronously with a display. In one embodiment, the invention includes a tunnel having an entrance aperture |
| 7310185 |
Double pass illumination system |
December 18, 2007 |
| A display device is disclosed, wherein the display device comprises a light source configured to emit light, a projection lens configured to transfer the light to a display surface, at least one other optical element, and a lens disposed optically between the light source and the pro |
| 7309134 |
System and method for displaying projector system identification information |
December 18, 2007 |
| A system and method of displaying identification information for a projector system are disclosed. The method includes projecting a display onto a viewing surface with the projector system, and projecting an identification image onto the viewing surface over at least a part of the di |
| 7309132 |
Modular keypad assembly |
December 18, 2007 |
| A modular keypad assembly for use with a projection device is provided. This modular keypad assembly may include a user input through which a user may operate the projection device. Such a modular keypad assembly may include a elastomer keypad, a keypad support plate; and a keypad ci |
| 7290885 |
User-interface for projection devices |
November 6, 2007 |
| The present disclosure provides a projector assembly including a projection device adapted to project an image, and a user-interface in communication with the projection device. The user-interface may be adapted to privately present user-readable information to a user. |
| 7281803 |
Polarization conversion assembly to complement angular transmission distribution of polarizing l |
October 16, 2007 |
| An apparatus, system, and method for a polarizing conversion assembly adapted to provide polarized light having an intensity distribution to complement an angular transmission distribution of a corresponding light modulator are disclosed herein. |
| 7278745 |
Method and apparatus for adjusting relative disposition of projection optics based on operating |
October 9, 2007 |
| A system, method, and apparatus for sensing an operational condition of a projection device and generating a signal to be used in the adjustment of the relative disposition of a component of the projection device, are disclosed herein. |
| 7277243 |
Lens assembly with integrated features |
October 2, 2007 |
| An apparatus, method, and system for a lens assembly including a first and second element adapted to be engaged with one another in a manner to secure a first and second lens therebetween is disclosed herein. |
| 7270419 |
Blower system |
September 18, 2007 |
| In a projection device including a casing having an inlet vent and an outlet vent, and a plurality of components including a light source disposed within the casing, a blower system is provided, wherein the blower system includes a plurality of blower portions operable to draw air in |
| 7259919 |
Thin-profile projection system |
August 21, 2007 |
| A relatively thin-profile projection display device that employs at least two anamorphic components is disclosed herein. |
| 7259912 |
Fresnel lens having reduced distortions |
August 21, 2007 |
| A display device for displaying images in a rear projection display device is provided. The display device may include, amongst other structure, a screen including a lens portion and a frame portion. A tensioner may be operatively associated with the screen and may be adapted to adjust t |
| 7255449 |
Stabilizer for optical devices |
August 14, 2007 |
| An apparatus, system and method for stabilizing components is provided. In some embodiments, an apparatus for positioning an optical component relative to a frame is provided including a stabilizer. The stabilizer may be configured to be coupled to the optical component and the frame, |
| 7253954 |
Flat valley fresnel lens |
August 7, 2007 |
| A Fresnel lens. The Fresnel lens includes an input side configured to receive the image and an output side, opposite the input side, configured to display the image. The input side includes a first facet angled to receive input light constituting at least a portion of the image. The |
| 7252385 |
Projection LED cooling |
August 7, 2007 |
| A projection apparatus comprises a Light Emitting Diode (LED) and a cooling arrangement is described herein. |
| 7246908 |
Combination control for a projection device |
July 24, 2007 |
| A projection device is provided. In one embodiment, the projection device may include an optical system mounted within the projection device and having an optical system axis substantially parallel to the optical system. The projection device further may include a combination control |
| 7237004 |
Dataconferencing appliance and system |
June 26, 2007 |
| Geographically distributed conference sites each have a telephone receiver and a dataconferencing appliance connected to a shared voice call network. Each site also has a display device for displaying images comprised of image data produced by an image source. The dataconferencing ap |
| 7210794 |
Overlapping waveform utilization in projection systems and processes |
May 1, 2007 |
| Projection systems and processes for generating and utilizing overlapping waveforms are disclosed herein. The overlapping waveforms may be output waveforms generated by a plurality of single color light sources. |
| 7197562 |
Projector device management system |
March 27, 2007 |
| A system and methods for managing a plurality of projector devices over a computer network are provided. The system includes a projector manager linked to a computer network, wherein the projector manager is configured to monitor over the network a status of a selected feature of a selec |
| 7185988 |
Elevator assembly for a projection device |
March 6, 2007 |
| An elevator assembly for use with a projection device is provided. In one embodiment, the elevator assembly may include a foot extension configured to contact a reference surface, and a substantially planar one-piece bracket configured to support the foot extension and slidibly couple th |
| 7182462 |
System and method for updating an image display device from a remote location |
February 27, 2007 |
| In a computing device, a method of updating over a network a set of executable instructions stored on an image-rendering device is disclosed, wherein the image-rendering device is operably associated with a projection device. The method includes detecting a version of the set of exec |
| 7180475 |
Method and apparatus for wireless image transmission to a projector |
February 20, 2007 |
| A method and apparatus is provided in which a digital image is transmitted to a presentation projector resource over a wireless transmission medium using a reduced amount of transmission bandwidth by transmitting a subset of the digital image data. The subset image data may be a delta su |
| 7178950 |
Method and apparatus for a lamp housing |
February 20, 2007 |
| A method and apparatus for a lamp housing is provided that blocks light and dissipates heat. The lamp housing encases or is integral to a reflector, and has an inner surface that absorbs radiation emitted by the lamp burner and an outer surface that allows for improved heat dissipati |
| 7178945 |
Luminaire having a deformable reflector well |
February 20, 2007 |
| An apparatus, system, and method for a luminaire with a light emitting device and a deformable reflector well is disclosed herein. |
| 7175287 |
Wide angle projection lens |
February 13, 2007 |
| A projection display device is provided. The projection display device may include an image generation device configured to generate an image and a wide angle lens system having an optical axis configured to receive the image and project the image along an optical path for display above |
| 7172295 |
LED control system with feedback |
February 6, 2007 |
| A method of controlling power provided to one or more light emitting diodes in a projection system comprises measuring light output from the one or more light emitting diodes. Based at least upon the measured light output, the power to at least one of the light emitting diodes is mod |
| 7172289 |
Projection apparatus with colored light path combination through a transparent optical element |
February 6, 2007 |
| A projection apparatus is formed employing a transparent optical element to receive a plurality of colored light bundles from a plurality of light sources along a plurality of optical paths and to emit the plurality of colored light bundles along a substantially common optical path due, |
| 7168810 |
Method and apparatus for arranging light emitting devices in projection systems |
January 30, 2007 |
| Embodiments of this invention include a system, method and apparatus for combining the light paths of a plurality of colored light emitting devices into a single light path with two reflecting devices and an optical combiner assembly in a projection system. |
| 7162092 |
System and method for processing image data |
January 9, 2007 |
| A method of decompressing a set of subsampled image data is disclosed. The method includes reading a first subset of the subsampled image data into a cache memory and into a buffer, wherein the buffer has an amount of memory equal to or less than the cache memory, calculating chrominance |
| 7152440 |
Apparatus to secure an access door on a housing |
December 26, 2006 |
| A latch assembly to secure an access door on the housing of an electronic device. When a conventional locking device is coupled with the housing to deter theft of the electronic device as a whole, the latch assembly will maintain the access door in a closed position and deter theft of an |
| 7151670 |
Digital micromirror device mounting system |
December 19, 2006 |
| A projection device is provided, wherein the projection device includes a digital micromirror device, a circuit board that further includes a first face and a second face, an integrated heat sink/stiffener; and a plurality of engagement mechanisms, wherein the plurality of engagement |
| 7150635 |
Electrical device having an electrical component safety apparatus |
December 19, 2006 |
| An electrical device having an electrical component safety apparatus is disclosed, wherein the electrical device includes a power connection configured to operatively engage a power cord, and an access door providing access to an electrical or electronic component, wherein the access |
| 7150537 |
Projection television device and screen |
December 19, 2006 |
| A front projection display device is provided including an image-generating source configured to generate an image, a wide angle lens system adapted to receive the image, and a screen. The wide angle lens system may be configured to increase distortion of the image in a first stage a |
| 7144133 |
Transflective color recovery |
December 5, 2006 |
| Embodiments of the present invention include an apparatus, method and system for an illumination arrangement including a color recycling subsystem to receive reflected light from a transflective color filter along a reflectance axis that is non-coincident with an incident axis. Other |
| 7140735 |
Rear projection display device having multiple mirrors that are substantially parallel to a scre |
November 28, 2006 |
| The ultra-thin rear projection display device described herein includes a wide angle lens system and one or more planar mirrors that are parallel to a screen on which an image is to be displayed. In one embodiment, the screen that has multiple groove angles to provide better illumination |
| 7140731 |
Image-rendering device |
November 28, 2006 |
| An image-rendering device including a body, a connector configured to removably attach the body to a projection device, the connector movably coupled to the body such that the body is movable between at least a first position and a second position relative to the connector. The image |
| 7134549 |
Method and apparatus for packaging a projection device |
November 14, 2006 |
| The present invention provides a protective structure for shipping a projection device. The protective structure includes a carrying case, an impact resistant intermediary case, and a substantially rigid outer case. The carrying case may include a plurality of compartments including a |
| 7128421 |
Thermal management of projection apparatus |
October 31, 2006 |
| A projection apparatus is formed employing a solid state light source having either an associated or integrated sensor to monitor a thermal condition of a region of the solid state light source. The sensor is equipped to output a signal indicative of the thermal condition of the moni |
| 7121670 |
User-interface for a projection device |
October 17, 2006 |
| The present invention provides a projector assembly including a projection device adapted to project an image, and a user-interface in communication with the projection device. The user-interface may be adapted to privately present user-readable information to a user. |
| 7118220 |
Projector device user interface system |
October 10, 2006 |
| A method for interfacing a device to a projector including identifying a network to which the device is connected, identifying at least one projector on network, identifying status of at least one projector, enabling selection of at least one projector based on identified status, and |
| 7102820 |
Flat valley fresnel lens for a display device |
September 5, 2006 |
| A Fresnel lens for a display device is provided. The Fresnel lens includes a first sloped surface angled to receive input light, a second sloped surface facing the first sloped surface, and a valley floor linking the first sloped surface to the second sloped surface. The valley floor may |
| 7093942 |
Preset key for a projection device |
August 22, 2006 |
| A method for optimizing an appearance of a projected image. The method includes providing a first configuration having a plurality of preset projection device settings for a first type of projected image and providing a second configuration having a plurality of preset projection dev |
| 7091670 |
Safety interlock apparatus and method |
August 15, 2006 |
| A safety interlock apparatus for an electrical device includes a DC power supply, a ballast power supply including a ballast control circuit that controls a ballast power circuit, and a lamp. A relatively low voltage electrical connection is present between the DC power supply and the |
| 7090354 |
Projection device and screen |
August 15, 2006 |
| A projection unit is provided. The projection unit may include a projector having a wide-angle lens system. The projector may be positioned substantially adjacent a display surface and may be configured to generate an image on the display surface. The projection unit further may incl |
| 7088509 |
Laminate screen for display device |
August 8, 2006 |
| A rear projection display device is provided. In an embodiment, the display device includes a laminate screen including a Fresnel lens lamina having a non-planar input surface, a substantially planar output surface and a first index of refraction. The laminate screen further may include |
| 7088507 |
Rear projection display |
August 8, 2006 |
| The ultra-thin rear projection display device described herein includes a lens system and one or more planar mirrors that are parallel to a screen on which an image is to be displayed. The screen may be a Fresnel lens having a plurality of bumps on the output surface to reduce the vi |
| 7088321 |
Method and apparatus for driving LED light sources for a projection display |
August 8, 2006 |
| A circuit is provided to drive LEDs or diode lasers that emit light in desired wavelengths, such as the primary colors red, green, and blue, which serve as the light source for a projection display system. A display controller controls one or more series-parallel arrays of each color |
