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"What, sir, would you make a ship sail against the wind and currents by lighting a bonfire under her deck? I pray you, excuse me, I have not the time to listen to such nonsense."
Napoleon Bonaparte ; When told of the Robert Fulton steamboat
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| Number | Title | Issue Date |
| 8189122 | Method and system for automatic color wheel calibration in a projector In a method for automatic color wheel calibration in a projector, the color wheel includes three primary colors and a non-primary color. The method includes: enabling the projector to project the non-primary color, and measuring first optical physical amounts of the... | 05/29/2012 |
| 8040440 | Projection device and projection method A projection device comprises a light source, a color wheel which is inserted into an optical path of the light source and in which a plurality of color segments are formed along a peripheral direction of the color wheel. The color segments are configured to transmi... | 10/18/2011 |
| 7956937 | Projection apparatus and color-level correcting method therefor A projection apparatus, an illumination module and a color-level correcting method therefor are provided. The projection apparatus comprises a projection lens, an imaging unit and an illumination module. The illumination module comprises a light source, a color whee... | 06/07/2011 |
| 7724311 | Optical projecting system An optical projecting system includes a light-splitting unit for splitting composite source light into a plurality of composite light beam components, and a reflective color wheel rotatable about a rotation axis and including a plurality of multi-layer light-reflect... | 05/25/2010 |
| 7532259 | Dynamic aperture for a light processing system A method of processing light includes receiving an image to be displayed. The image has a brightness level. The method further includes generating light from a light source and intensity-modulating the generated light to produce light having a first intensity. The f... | 05/12/2009 |
| 7438421 | Two-panel type projection system and projection method thereof A two-panel type projection system includes a polarization light source to irradiate a polarized white light, a color selector to sequentially transmit two light components every predetermined time among a plurality of light components having different wavelengths o... | 10/21/2008 |
| 7434945 | Illuminating device and projection type video display apparatus A projection type video display apparatus is provided with an LED array for emitting light in red, an LED array for emitting light in green, and an LED array for emitting light in blue. On a light-incident side of a rod integrator, time-dividing mirrors 2A, | 10/14/2008 |
| 7434946 | Illumination system with integrated heat dissipation device for use in display systems employing spatial light modulators Disclosed herein is an illumination system for use in display systems employing spatial light modulators. The illumination system comprises a fastening mechanism for securing the bonding of the walls of the light integrator of the illumination system. A heat dissipa... | 10/14/2008 |
| 7430022 | Color display device The invention relates to a color display device for display a color image and a method of operating such display. The color display device is provided with a plurality of picture elements, two selectable light sources having different predetermined radiance spectra,... | 09/30/2008 |
| 7414677 | Apparatus and method for driving image display device using DMD An apparatus and method for driving an image display device using a DMD are provided. The apparatus includes a color wheel, an optical sensor, a delay time determining unit, and a control unit. The color wheel includes a plurality of color filters and index marks fo... | 08/19/2008 |
| 7410262 | System and method for compensating for spoke light The disclosed embodiments relate to a system and method for compensating for spoke light in a video unit (10). More specifically, there is provided a method comprising measuring a first light level during a non-spoke time of a color wheel (14) to gener... | 08/12/2008 |
| 7405856 | Display system timing control method A display system includes a light source 110 and a spatial light modulator 122 located to receive light from the light source. The spatial light modulator (e.g., a DMD) includes a number of independently controllable elements that are activated for a p... | 07/29/2008 |
| 7405095 | Method for producing color-wheel segments A method for producing from a plate-shaped substrate circular sections for use for instance in a color wheel encompasses inter alia such steps as positioning predefined edge break lines in such fashion that the circular sections to be separated at a subsequent point... | 07/29/2008 |
| 7399087 | Segment type color wheel and manufacturing method of same A color wheel includes a plurality of color filter segments disposed so as to form a disk configuration, and a support member to fixedly set the plurality of color filter segments in place. Each of the color filter segments has a circular outer circumference, an inn... | 07/15/2008 |
| 7384150 | Light emitting diode (LED) illumination control system and method An LED illumination system includes control circuitry and first, second and third colored LEDs. The control circuitry sequentially drives the first, second and third colored LEDs in a color cycle frame with relative duty cycles having a known relationship that achie... | 06/10/2008 |
| 7369962 | Method and device for data integrity checking The present invention relates to high speed datapaths, sometimes including mixed digital and analog voltage signals. In particular, it relates to error checking strategies for large data volumes, in digital and/or analog domains and to analog signal patterns that ac... | 05/06/2008 |
| 7367678 | Single-plate color projector and synchronization adjusting method therefor A single-plate color projector includes a color wheel for chromatically separating light emitted from a light source in time series. An image forming device optically modulates each separated color light in sequence. A driving mechanism rotates the color wheel in a ... | 05/06/2008 |
| 7362493 | Micromirror and post arrangements on substrates A micromirror of a micromirror array of a spatial light modulator used in display systems comprises a mirror plate attached to a hinge that is supported by two posts formed on a substrate. Also the mirror plate is operable to rotate along a rotation axis that is par... | 04/22/2008 |
| 7358930 | Display system with scrolling color and wobble device A display system for displaying an image based upon image data includes an image processing unit configured to define a plurality of sub-frame images including a first sub-frame image and at least a second sub-frame image based upon the image data; a scrolling color... | 04/15/2008 |
| 7355657 | Laser illuminated projection displays A projection video display includes a light source including an OPS-laser delivering laser radiation in multiple transverse modes (a multiple-transverse-mode OPS-laser). The display includes a spatial light modulator for spatially modulating the radiation from the m... | 04/08/2008 |
| 7350929 | Method for controlling a lighting device A method for controlling a lighting device that consists of at least a lighting source, a color sequential device and a single light valve consisting of an array of light processing elements that are controlled by bits, the method comprising the steps of emitting a ... | 04/01/2008 |
| 7347568 | Color wheel apparatus and optical engine having the same Disclosed is a color wheel apparatus for a DLP type display device having a color wheel unit, which has a color filter and a rotation part for supporting the color filter and rotating integrally with the color filter; a color wheel supporter for rotatably supporting... | 03/25/2008 |
| 7342524 | Waveform generator, waveform shaper, and testing apparatus There is provided a waveform generator that generates a waveform. The waveform generator includes: a lamp waveform generating section that generates a lamp wave of which a signal value linearly changes for a predetermined period; a square wave generating section tha... | 03/11/2008 |
| 7339714 | Variable blazed grating based signal processing A light processing system includes an array of optical signal processing devices. The array of processing devices are operable to receive at least some of a first signal part and to modulate the first signal part based at least in part on a control signal received f... | 03/04/2008 |
| 7339631 | Apparatus and method for correcting color error An apparatus and method for correcting a color error are provided. The apparatus includes, a color wheel having a CWIM marked thereon, a motor for rotating the color wheel, a motor driver for controlling a driving of the motor, a CWIM sensor for sensing the CWIM to ... | 03/04/2008 |
| 7334897 | Display apparatus using LCD Panel A projection apparatus (10) has an illumination section with a light source (20) providing a substantially unpolarized illumination beam of multiple wavelengths. A multiple wavelength polarizer polarizes the substantially unpolarized illumination beam ... | 02/26/2008 |
| 7334900 | Three-dimensional image projecting apparatus The invention provides a three-dimensional image projecting apparatus. The three-dimensional image projecting apparatus comprises a light signal generator, a filter device, a focusing device and a reflecting device. The light signal generator is used for generating ... | 02/26/2008 |
| 7329009 | Projection system A projection system for image reproduction includes at least one lamp and sensor for generating a sensor signal for monitoring changes in the luminous flux generated by the lamp and for compensating these changes through a suitable control of the image reproduction.... | 02/12/2008 |
| 7325318 | Compact multifunction sight A multifunction sight is disclosed. The multifunction sight includes an body, a receiving aperture, an emitting aperture, a parabolic reflector, and an optical detector. The receiving aperture passes radiation in a first band and a second band into the body where th... | 02/05/2008 |
| 7322703 | Light emitting apparatus and projector An light emitting apparatus which illuminates an illumination area has a first light source which emits a first light, a second light source which emits a second light, a wheel which is provided with a transmission filter area which transmits the first light, and a ... | 01/29/2008 |
| 7324279 | Dual modulator projection system A three dimensional display system 100 using two spatial light modulators and a single projection path. Light source 102 emits a white light beam 104 which typically is focused onto an aperture of a recycling integrator 106. The light bea... | 01/29/2008 |
| 7320521 | Optical engine architectures An optical engine architecture that operates as either a two-imager or a three-imager optical engine. The optical engine uses a first PBS cube and a second PBS cube having an optical axis between them. In between the first PBS cube and second PBS cube are two quarte... | 01/22/2008 |
| RE39979 | Color wheel including light deflecting means A color wheel includes lens structures, which are formed on a surface of a substrate opposite to a surface having filter sectors, and which have curved surfaces formed at their abutting ends and positioned along a boundary between adjacent filter sectors. Light impi... | 01/01/2008 |
| 7311404 | Optical projection apparatus and projection-type image displaying apparatus A projection-type image displaying apparatus includes: a first color wheel for splitting a light ray from a light source into colored light rays according to color transmission characteristics by the wheel being rotated; a second color wheel for further splitting th... | 12/25/2007 |
| 7312913 | Imaging light source with polarization and color recovery 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 havin... | 12/25/2007 |
| 7306340 | Projection system using a high-pressure discharge lamp adapted to d.c. lighting, and method of operating the same This invention provides a method of operating a projection system wherein light emitted from a high-pressure discharge lamp being lit with d.c. lamp current is passed through color segments of a color filter sequentially and then reflected by an optical element to p... | 12/11/2007 |
| 7304629 | Video information display system and display apparatus applicable to the same A display apparatus includes a plurality of display systems each having a light source, a reflection type liquid crystal panel and an optical system, a screen displaying superimposingly the images obtained from the plurality of display systems, and a selector for se... | 12/04/2007 |
| 7304690 | Optical engine of a projection television The present invention relates to an optical engine of a projection television in which a path of illumination emitted from a light source is aligned to correspond with the image producer by turning a screw of a mirror device. The object of the present invention can ... | 12/04/2007 |
| 7300159 | Scrolling color projection system with lamp synchronization A scrolling color projection system, comprising a pulsed lamp (4) and a color scanner (6, 8a, 8b, 8c, 9) for generating a light beam (5b) with a plurality of scrolling color fields, arranged to il... | 11/27/2007 |
| 7300156 | Prism assembly for separating light A prism assembly is provided. The prism assembly comprises a first prism component having a triangular cross-section along an optical path, a second prism component having a first quadrilateral cross-section along the optical path, a third prism component having a s... | 11/27/2007 |
