Did You Know...
...that one person who claimed to be the inventor of the television is Russian emigre Vladimir Zworykin? In 1929 David Sarnoff, founder of RCA, asked Zworykin what it would take to develop TV for commercial use. He said: a year and a half and $100,000. In reality, it took 20 years and $50 million! Before his death in 1982 at the age of 92, Zworykin said of his invention: "The technique is wonderful. It is beyond my expectations. But the programs! I would never let my children even come close to this thing."
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| Number | Title | Issue Date |
| 8066385 | Projection display and lighting unit with diffusion optical device A lighting unit that optimizes an oscillation frequency for oscillating a diffusion device and its amplitude amount and a projecting display using the lighting unit are provided. Driving of a light source driving unit is controlled on the basis of driving of the osc... | 11/29/2011 |
| 8047656 | Projecting apparatus A projecting apparatus for protecting an image onto a screen includes an image module, a first light reflection device and a lens. The image module is for providing a beam of first light, The first light reflection device has a first reflection surface disposed mova... | 11/01/2011 |
| 8045247 | Post-objective scanning beam systems Scanning beam systems, apparatus and techniques in optical post-objective designs with two beam scanners for display and other applications. ... | 10/25/2011 |
| 7909469 | Image projecting apparatus and image projecting method for use in the same Disclosed herein is an image projecting apparatus, including: a one-dimension type light modulating device for modulating a light in accordance with image information; a projection optical system; and a light deflecting device for deflecting an image light in a dire... | 03/22/2011 |
| 7677735 | Projecting apparatus A projecting apparatus for protecting an image onto a screen includes an image module, a first light reflection device and a lens. The image module is for providing a beam of first light. The first light reflection device has a first reflection surface disposed mova... | 03/16/2010 |
| 7524068 | Projection optical system A projection optical system that performs enlargement projection of an image on a display device surface formed of a plurality of pixels onto a screen surface, in which pixel shift by less than a pixel pitch is performed on the screen surface in a vertical direction... | 04/28/2009 |
| 7434944 | Image projection apparatus In an image projection apparatus, the deflection axis of the pixels of a display device is parallel to the longer sides of the display area of the display device, and the entrance pupil of a projection optical system is displaced from the line normal to the center o... | 10/14/2008 |
| 7416308 | Panoramic motion projector A projector includes a support structure, which supports a light source and an image medium. The image medium is arranged such that light from the light source passes through one or more images carried by the image medium, thereby projecting intermediate images. An ... | 08/26/2008 |
| 7258452 | Projection optical system and a projection type image display apparatus There is disclosed a projection optical system which is capable of moving a projected image within a predetermined region (effective projection region). The projection optical system, which projects an image of an object surface in the effective projection region of... | 08/21/2007 |
| 7253942 | Image projection lighting devices with projection field light intensity uniformity adjustment A lighting system is disclosed comprised of a plurality of image projection lighting devices including a first image projection lighting device. The first image projection lighting device is typically comprised of a microprocessor and a camera. The microprocessor an... | 08/07/2007 |
| 7248341 | Apparatus and method for oscillating a transmitted laser beam of light within the field of view (FOV) of a light receiving system An apparatus and method for the measurement of water depth between a water surface and water bottom and adapted for mounting on an aircraft flying above the water surface. The apparatus includes a transmitter and a receiver of laser light. The laser light is reflect... | 07/24/2007 |
| 7206023 | Image projection lighting devices with projection field light intensity uniformity adjustment A lighting system is disclosed comprised of a plurality of image projection lighting devices including a first image projection lighting device. The first image projection lighting device is typically comprised of a microprocessor and a camera. The microprocessor an... | 04/17/2007 |
| 7140734 | Image projection apparatus An image projection apparatus includes a lamp, an optical modulator which modulates light emitted from the lamp to correspond to image data, a ballast which operates the lamp, a power supply unit, and a duct in which the power supply unit, the ballast, and the lamp ... | 11/28/2006 |
| 7128425 | Projector A projector comprises a light source, an optical system for illumination, a reflective light modulating device having a plurality of reflective elements arranged in matrix form to be illuminated by the light emitted from the optical system for illumination, and an o... | 10/31/2006 |
| 7086738 | Optical projection system and method An optical projection system has a parallel light source for producing a parallel light beam. A first color splitter splits the parallel light beam into a first color beam and a color mixing beam. The color mixing beam includes a second color beam and a third color ... | 08/08/2006 |
| 7052142 | Enhanced resolution projector A light projecting device including an image resolution enhancing mechanism that spatially offsets at least one pixel between an original pixel position and an offset pixel position. The image resolution enhancing mechanism includes a dual mirror mechanism to provid... | 05/30/2006 |
| 7018047 | Image projection lighting device with variable homogeneity An image projection lighting device is provided which includes a variable homogenizing system. The variable homogenizing system may homogenize light projected by a lamp across a light valve. The variable homogenizing system may vary the light across the light valve ... | 03/28/2006 |
| 6843568 | Projection apparatus The present invention is based on the finding that the previous column and row representation in the scanning image projection has to be given up, in order to enable that the ratio between row and column frequency or vertical and horizontal deflection frequency is n... | 01/18/2005 |
| 6773113 | Projection arrangement for projecting an image onto a projection surface In a projection arrangement for projecting an image onto a projection surface, there are provided a light source (26), a control unit (25), a light modulator (10), which is controllable by said control unit (25) in order to generate an im... | 08/10/2004 |
| 6765544 | Image projection apparatus and method with viewing surface dependent image correction Lighting apparatus comprises (i) a deflector to deflect a light beam from a video projector in a plurality of directions, (ii) image processing means to process image information and comprising an input to receive raw image information from an image source, a proces... | 07/20/2004 |
| 6388810 | Rear-projection mirror arrangement A compact projector system utilizing a rear projection console with at least one projector and a set of mirrors with each mirror being positionally placed with respect to the rear of the display screen and operating together by bouncing an image carrying ... | 05/14/2002 |
| 6099128 | Method of spatially moving a projection beam from a video or graphics projector In order to move spatially the projection beam from a video or graphics projector, the projection beam which emerges from a light source and is guided via and/or through an optoelectronic image generator and through a projection lens is deflected by means... | 08/08/2000 |
| 6079835 | Adjustable laser projector An adjustable laser projector has a reflection seat for receiving and reflecting a laser beam, and an adjusting means pivotally mounted on the reflector for adjusting a projecting point of the laser without changing an incidence point, such that even thou... | 06/27/2000 |
| 5961195 | Image display device and simulation device One embodiment of the invention includes an image display device. The image display device includes a projector for emitting an image, a screen on which the image is projected, and a mirror for reflecting the image from the projector toward the screen. Th... | 10/05/1999 |
| 5749640 | Apparatus for projecting moving and changing colored light rays along a horizontal axis, the light rays being rotatable synchronously about the horizontal axis A light emitting apparatus includes a first stepper motor, a mounting frame, a second stepper motor, at least one reflector, and a light source. The first stepper motor has a first rotor and a first output shaft coupled to and driven by the first rotor. T... | 05/12/1998 |
| 5526076 | Hand-held light projector for producing light show A hand-held light projector adapted to create on a remote display screen a light show presenting Lissajous figures whose patterns depend on how the projector is shaken by the operator. The projector includes a light bulb whose rays are focused to form a l... | 06/11/1996 |
