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| Number | Title | Issue Date |
| 8162485 | Intermediate image formation optical system, image formation device, and methods thereof An image projection device performing pixel shift in synchronization with sequential updating of image data is disclosed that is able to start and stop pixel shift operations within a period of updating the image frames while maintaining brightness of the image. The... | 04/24/2012 |
| 8164044 | Watertight connection system for combined electrical and fiber optic cables A connector apparatus for use with combined electrical and fiber optic cables in wet or undersea conditions. The connector apparatus includes an outer threaded male connector portion connected to a first cable and a compatible female connector portion having a rotat... | 04/24/2012 |
| 8063351 | Photoelectric conversion apparatus and image pickup system using photoelectric conversion apparatus A photoelectric conversion apparatus includes a photoelectric conversion area in which a plurality of photoelectric conversion elements are arranged to convert incident light into electric charges, a plurality of amplifying units are arranged to read and supply sign... | 11/22/2011 |
| 8057052 | Laser projector Disclosed in a laser projector to display an image by projecting a laser beam from a laser light source to a projection screen including an electromagnetic driven scan mirror to scan the laser beam from the laser light source, a detection unit to detect a back EMF w... | 11/15/2011 |
| 8049155 | Processing method and apparatus for energy saving of an active infrared induction instrument powered by a dry battery An active infrared induction instrument powered by a dry battery capable of reducing power consumption through the adjustment of the emitter pulse width. The infrared emitting LED emits infrared signals, which, after being reflected by an object, are received by the... | 11/01/2011 |
| 8042950 | Projection apparatus and image display apparatus with individual color light diffusion and microlens array A projection apparatus and image display apparatus. The apparatus includes a three-color light source that emits a plurality of color lights having different wavelengths, and a diffraction type optical element that performs diffusion forming of individual color ligh... | 10/25/2011 |
| 8038301 | Projector with heat radiating construction A projector includes a light source unit, a light source side optical system which includes a color wheel and a light guiding unit, a display device, a projection side optical system, a cooling fan, and a projector control unit. An interior of a projector casing is ... | 10/18/2011 |
| 8038303 | Projection apparatus and optical ranging method Disclosed is a projection apparatus including: a video display control section 53 to project and display a video according to input video data; and a projection distance obtainment section 14 to irradiate to a projection plane where the video is projec... | 10/18/2011 |
| 8029142 | Polarized, LED-based illumination source An illumination source includes a number of light emitting diodes (LEDs) operating at a first wavelength. Light from the LEDs illuminates a phosphor material that generates light at a second wavelength. A reflective polarizer transmits light at the second wavelength... | 10/04/2011 |
| 8029144 | Color mixing rod integrator in a laser-based projector A system for providing illumination includes a color mixing rod integrator for receiving and homogenizing laser light or output to a spatial light modulator. The rod integrator recombines the light of the primary colors, thus obviating dichroic recombination optics.... | 10/04/2011 |
| 8029140 | Device to produce a floating image The subject matter disclosed herein relates to systems and methods for providing image projection and entertainment. ... | 10/04/2011 |
| 8029149 | Illumination for projecting an image The invention is directed to a method for illuminating an object and projecting its image on a ground glass screen. Optical comparators conventionally use incandescent illumination, either mercury arc or halogen. The use of an array of high intensity LED devices, pr... | 10/04/2011 |
| 8030606 | Pixel with differential readout An imager in which two adjacent pixels share row and reset lines and a row selection circuitry while the output transistors of the two pixels are configured as a differential amplifier. In operation, both pixels are reset at the same time, causing differential reset... | 10/04/2011 |
| 8025416 | Integrated optical polarization combining prism for projection displays In an embodiment, an optical component is provided. The optical component includes a first polarizing prism having a first face, a second face and a third face. The light beam may be received incident on the first face. Light having a first polarization may be outpu... | 09/27/2011 |
| 8017900 | Photon counting apparatus An apparatus for photon counting is disclosed that comprises a sensor element (5) comprising a photon detector (8) and a capacitance (2) for applying a potential difference across the detector (8). The apparatus also comprises switching c... | 09/13/2011 |
| 8007116 | Video projection device having a converter lens attachably and detachably provided A video projection device has one of a plurality of types of projection lenses replaceably loaded and projects a video on a screen at a fixed position. The video projection device includes: a converter lens which is composed of a plurality of lenses, which is afocal... | 08/30/2011 |
| 8007114 | Small-sized projector with high heat dissipating efficiency A projector includes a housing, a projection lens, a receiving member, an optical engine, a light source module, a heat sink, and a fan. The housing includes a bottom wall and four sidewalls, the bottom wall and the four sidewalls together define a receiving space. ... | 08/30/2011 |
| 7997738 | Color wheel fabrication A pressure sensitive adhesive (PSA) is used to attach a plurality of wedge-shaped glass filter segments on a first side to a hub during the color ring build portion of the color wheel fabrication process. A strong adhesive, such as epoxy, is then used to adhere a se... | 08/16/2011 |
| 7993004 | Projecting device A projecting device includes a light source, a filtering component, a reflecting mirror, a digital micro-mirror device, a projecting lens, and a panel. The filtering component changes lights emitted from the light source into substantially parallel polarized ultravi... | 08/09/2011 |
| 7993012 | Laser display system with optical feedback configured to reduce speckle artifacts An imaging system (200) includes a plurality of laser sources (201) configured to produce a plurality of light beams (204). One or more optical alignment devices (220) orient the light beams (204) into a collimated light beam (2... | 08/09/2011 |
| 7988303 | Image projection apparatus and image display system The image projection apparatus includes a heat generating member disposed inside the apparatus, an exhaust fan exhausting an air that has cooled the heat generating member to the outside of the apparatus, and a duct guiding the air from the heat generating member to... | 08/02/2011 |
| 7976173 | Projector and control method therefor Disclosed herein is a projector for projecting an image to a screen, including: a lamp configured to emit light; an elliptic reflecting mirror configured to reflect and condense the light from the lamp; an image display device configured to modulate the light reflec... | 07/12/2011 |
| 7835059 | Tristate electrochromic device An electrochromic medium for use in a tristate electrochromic device, comprising: (a) at least one solvent; (b) at least one anodic material; (c) at least one cathodic material, wherein both of the anodic and cathodic materials are electroactive and at least one of ... | 11/16/2010 |
| 7798653 | Projection display and optical aperture unit A gear portion meshing with the first step of a pinion gear at the side of a motor, which is a driving unit of optical aperture mechanism, is designed to be a two-gears composition of a gear portion abutting on one side surface of the channel of the pinion gear, and... | 09/21/2010 |
| 7763844 | CCD scanner capable of scanning at an arbitrary angle with elastic swinging locking bar attached to chassis The invention includes at least one swingable elastic locking bar mounted on the chassis of the scanner, and the end of the elastic locking bar is provided with a contact member having a low friction coefficient, and let the contact member on the elastic locking bar... | 07/27/2010 |
| 7582882 | Solid state multi frequency fluorometric measurements system and method A method of spectrographic measurement is disclosed. The method generates light energy using a solid state low capacitance excitation source, the light energy being caused to fall on a sample to be assayed, causing the sample to output an output optical signal. The ... | 09/01/2009 |
| 7462815 | Absolute encoder utilizing a code pattern carrier having a varying mixture of phosphors deposited thereon An encoder having a code carrier, light source, and detector is disclosed. The code carrier includes a track that emits light at each of a plurality of track points on the track when that track point is illuminated with light having a predetermined spectrum. Each of... | 12/09/2008 |
| 7462813 | Semiconductor device and method with a light shielded second photodiode connected to a voltage regulator circuit The semiconductor device includes a first photodiode, a second photodiode which is shielded from light, a first circuit group including a voltage follower circuit, a second circuit group, and a compensation circuit, in which an output from the first photodiode is in... | 12/09/2008 |
| 7462811 | Light detection circuit A circuit for detecting light comprising: a) a light-integrating photosensor circuit responsive to light for producing a variable voltage signal representing the accumulation of the light over time; and b) a measurement circuit for receiving a time measurement signa... | 12/09/2008 |
| 7462810 | Photoelectric conversion apparatus and image pickup system using photoelectric conversion apparatus A photoelectric conversion apparatus includes a photoelectric conversion area in which a plurality of photoelectric conversion elements are arranged to convert incident light into electric charges, a plurality of amplifying units are arranged to read and supply sign... | 12/09/2008 |
| 7462805 | Focus detection apparatus having a luminous flux deformation member The present invention provides a focus detection apparatus. In the focus detection apparatus, a luminous flux deformation member is provided to deform a sectional shape of a luminous flux emitted from a light source, and thereby a light quantity difference and a lig... | 12/09/2008 |
| 7459711 | Surface mount type photo interrupter and method for manufacturing the same A light emitting element and a light receiving element are mounted on the upper surface of an insulating substrate to be laterally aligned. A cap including a first hollow portion accommodating the light emitting element, a second hollow portion accommodating the lig... | 12/02/2008 |
| 7459672 | Motion sensor with LED aiming aid A motion sensor incorporates an internal light source, typically a super bright LED. A multi-lens system or an arrangement of small windows in front of the LED projects a visible light pattern that mimics the detection pattern of the motion sensor to an observer sta... | 12/02/2008 |
| 7459661 | System for evaluating luminance and movement within an observation space, and method for controlling light sources within the observation space A sensor system has a video camera and an evaluation unit, the evaluation unit receiving a video signal from the video camera and providing output information relating to luminance and movement of an observation space. The evaluation unit can include a microcontroll... | 12/02/2008 |
| 7459660 | System and method for calibrating light emitting device A light emitting device calibration system includes a device under test including a light emitting device to be calibrated and a microprocessor electrically coupled to the light emitting device. A light detector is coupled to the device under test. During a calibrat... | 12/02/2008 |
| 7453055 | Image reading apparatus An image reading apparatus includes a document placing table having a transparent member, a document pressing member, an image reading unit, a scanning unit that is disposed on a side opposite to a document placing surface of the transparent member and reciprocates ... | 11/18/2008 |
| 7453079 | Surface mount type photo-interrupter and method for manufacturing the same A surface mount type photo-interrupter includes an insulating base, a light emitting element and a light receiving element provided on the insulating base, a first terminal electrode for the light emitting element, a second terminal electrode for the light receiving... | 11/18/2008 |
| 7453054 | Method and apparatus for calibrating parallel readout paths in imagers An imaging device with readout chain circuitry that uses multiple analog-to-digital converters and amplifiers, which are similarly calibrated using a stitching technique, to readout each color of a column and mitigate the possibility of a boundary effect. ... | 11/18/2008 |
| 7449706 | Photocoupler with compensation circuit A photocoupler having a first and second light-emitting diodes, a compensation circuit, which compensates input signals to the first light-emitting diode and generates input signals to the second light-emitting diode, and further makes the current waveform at the se... | 11/11/2008 |
| 7449673 | Peak power and speckle contrast reduction for a single layer pulse A system and method for reducing peak power of a laser pulse and reducing speckle contrast of a single pulse comprises a plurality of elements oriented to split and delay a pulse or pulses transmitted from a light emitting device. The design provides the ability to ... | 11/11/2008 |
