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"Flight by machines heavier than air is unpractical and insignificant, if not utterly impossible."
Simon Newcomb, astronomer ; Said in 1902, less than two years before the first flight at Kitty Hawk
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| Number | Title | Issue Date |
| 7633245 | Light-emitting device driver circuit 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 co... | 12/15/2009 |
| 7628495 | Mirror-based light path combination for light sources Embodiments of the present invention include a method, apparatus, and system for a mirror assembly sequentially optically coupling a plurality of light sources to downstream projection components. Other embodiments may be described and claimed. ... | 12/08/2009 |
| 7599177 | Video dock for portable media player A docking station for a portable media player. The docking station includes a docking connector to physically secure the portable media player and a communication interface to communicatively couple the portable media player to the docking station when the docking c... | 10/06/2009 |
| 7594846 | Etched vent screens A vent screen for an electronic device is provided. The vent screen may include a framework formed from an integral substrate, and a plurality of voids formed in the framework. Typically, the voids are formed by etching away portions of the substrate, and are separa... | 09/29/2009 |
| 7583325 | Projection systems and processes for generating images with increased brightness uniformity Apparatuses and processes for generating images having increased brightness uniformity are disclosed herein. ... | 09/01/2009 |
| 7567384 | Method and apparatus for combining light paths of like-colored light sources Embodiments of this invention include a system, method and apparatus for transmitting like-colored illumination bundles along a common optical axis. ... | 07/28/2009 |
| 7567380 | Rear projection display device having multiple mirrors that are substantially parallel to a screen 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 provi... | 07/28/2009 |
| 7559659 | Configurable projection device A modular projection device. The modular projection device includes a docking interface for selectively coupling the projection device to a content source module that provides the projection device with video content for projection onto a projection surface. ... | 07/14/2009 |
| 7559657 | Projection device A projection device is disclosed, wherein the projection device includes a lamp housing having a front portion and a back portion, wherein the lamp housing is configured to accommodate a lamp, a blower system configured to direct a flow of air across the front porti... | 07/14/2009 |
| 7554623 | Optical assembly to provide complementary illumination of subpixels of a light valve pixel An apparatus, system, and method for an optical assembly providing illumination to subpixels of a pixel in a manner to complement characteristics of the subpixels are disclosed herein. ... | 06/30/2009 |
| 7553028 | Projection LED cooling A projection apparatus comprises a light emitting device (LED) and a cooling arrangement is described herein. ... | 06/30/2009 |
| 7545586 | Wide angle lens system having a distorted intermediate image The wide angle lens system described herein allows projection devices (e.g., rear projection display devices) to be more compact than would otherwise be possible. The lens system includes a wide angle lens stage and a relay lens stage. When operating as a projection... | 06/09/2009 |
| 7541746 | Lamp driver circuit with power factor correction circuit coupled to direct-current to direct-current power converter A lamp driver circuit is disclosed. The lamp driver circuit comprises a passive power factor correction (PFC) circuit. The passive PFC circuit, in operation, is coupled with an alternating-current (AC) power source. The lamp driver circuit further includes a direct-... | 06/02/2009 |
| 7520622 | Display dock with integrated display screen An apparatus for a display dock with an integrated display screen are disclosed herein. ... | 04/21/2009 |
| 7517092 | Method and system for dynamic gradient light filtering A light filter for use in an optical system for displaying image. The light filter comprising, a substantially transparent substrate and an optical coating applied to the substrate. The optical coating is applied to the substrate such that a percentage of light bein... | 04/14/2009 |
| 7513628 | Projection device with camera to provide for iterative adjustments An apparatus, system, and method for a projection device having a camera to provide for adjustments based at least in part on a series of captured images are disclosed herein. ... | 04/07/2009 |
| RE40675 | Method and apparatus for automatic pixel clock phase and frequency correction in analog to digital video signal conversion A method An apparatus and system 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... | 03/24/2009 |
| 7495829 | Dual front/rear projection screen An apparatus, system, and method for a dual front/rear projection screen having a first exterior surface and a second exterior surface are disclosed herein. The second exterior surface may be shaped to facilitate transmission and reflection of a portion of light and... | 02/24/2009 |
| 7483583 | System and method for processing image data A method of transmitting a plurality of frames of image data over a communications channel from a display image source to a display device is disclosed, wherein the plurality of frames of image data are transferred on a frame-by-frame basis at a predetermined time i... | 01/27/2009 |
| 7452085 | Dynamically adjustable fold-mirror assembly for projection device 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. ... | 11/18/2008 |
| 7447608 | Method and apparatus for a collaborative meeting room system 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... | 11/04/2008 |
| 7442161 | Position adjuster for a device 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. ... | 10/28/2008 |
| 7436592 | Combination screen A combination screen. The combination screen can be configured to provide both light diffusion functionality and light redirection functionality. ... | 10/14/2008 |
| 7433122 | Front-projection screen with subsurface diffusion targets An apparatus, system, and method for a front-projection screen having a subsurface diffusion target are disclosed herein. ... | 10/07/2008 |
| 7413313 | Optical shutter with rotational axis in light path of projection device An apparatus, system, and method for an optical shutter with a rotational axis in the light path of a projection device are disclosed herein. ... | 08/19/2008 |
| 7413312 | Projection device and screen 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... | 08/19/2008 |
| D574877 | Projection device | 08/12/2008 |
| 7408202 | Solid state device with current spreading segments 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. ... | 08/05/2008 |
| 7408527 | Light emitting device driving method and projection apparatus so equipped 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 s... | 08/05/2008 |
| 7407296 | Integrated light gathering reflector and optical element holder 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... | 08/05/2008 |
| 7397603 | Deployable projection screen Embodiments of apparatuses, methods and systems for deployable projection screens are generally described herein. Other embodiments may be described and claimed. ... | 07/08/2008 |
| 7393109 | Method and apparatus for cooling optics Embodiments of methods and apparatus for cooling optics are disclosed. ... | 07/01/2008 |
| 7384154 | Temperature control system and method for projection device lenses 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 conditi... | 06/10/2008 |
| 7375867 | Transmissive electromechanical light valve and system 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 her... | 05/20/2008 |
| 7372628 | Display screen 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... | 05/13/2008 |
| 7372883 | Light emitting device driver circuit 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 co... | 05/13/2008 |
| 7367679 | Light source for a display device 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 ou... | 05/06/2008 |
| 7362564 | Docking assembly for coupling a nonvolatile memory device to an electronic device 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. ... | 04/22/2008 |
| 7350923 | Image-rendering device 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 c... | 04/01/2008 |
| 7352507 | Screen assembly 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 ... | 04/01/2008 |
