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Optics: image projectors January recently filed with US Patent Office 01/12

20120019781 - Multiple view display system using a single projector and method of operating the same: A system and method to display a plurality of different images at multiple distinct locations using a single image projector and an image propagation control means to control a propagation pathway from the projector to a display at each location.... Agent: Delphi Technologies, Inc.

20120019782 - Projection display device: In a projection display device, a polarization converting element is provided between an imager and a refracting optical system for converting a polarization direction of light after modulation into a direction radially extending from the center of the optical axis of the refracting optical system. Light transmitted through the polarization... Agent: Sanyo Electric Co., Ltd.

20120019783 - Projection type image display apparatus and control method therefor: There is provided a projection-type image display apparatus which is capable of solving the problem in which the reduction ratio of speckles is small. Light source 1 emits a light beam that is modulated according to a video signal. Projector 7 projects the light beam emitted from light source 1... Agent: Nec Corporation

20120019784 - Image projection on dynamic water mist screen: A multimedia presentation system a projector to project images toward an audience. A plurality of nozzles are partially submerged in a body of water at locations between the projector and the audience. The plurality of nozzles are located at different distances from the projector. Each of the plurality of nozzles... Agent: Wet Enterprises, Inc., Dba Wet Design

20120019787 - Image projection apparatus utilizing reflective image display element: An image projection apparatus includes a beam splitter configured to split light from a light source into first color light and second color light, a first reflective image display element configured to optically modulate the first color light, a second reflective image display element configured to optically modulate the second... Agent: Canon Kabushiki Kaisha

20120019785 - Light source module, projection apparatus, and method of controlling the same: A light source module, a projection apparatus, and a method of controlling the projection apparatus are provided. The projection apparatus has the light source module. The light source module has a first light source, a wavelength transforming unit, and a driver. The first light source generates a first light beam... Agent: Coretronic Corporation

20120019786 - Projection type image display apparatus: A projection type image display apparatus using a light source where excitatory light makes fluorescent material to emit fluorescent light is provided with improved lifetime of a fluorescent material light source without increasing in the apparatus size, The apparatus comprises an excitatory light source cluster, a substrate on which fluorescent... Agent: Hitachi Consumer Electronics Co., Ltd.

20120019788 - Projector and illumination apparatus for same: An illumination apparatus includes a fluorescence unit, laser light irradiation means, and a beam integration unit. The fluorescence unit has a plurality of phosphors, in which the colors of fluorescence generated due to excitation differ, arranged in different regions. The laser light irradiation means irradiates laser light onto the regions... Agent:

20120019789 - Rear-projection display: Various embodiments related to rear-projection image display are disclosed. For example, one disclosed embodiment provides a projector for projecting an image and a screen configured to display the image. The screen comprises a filter layer having a light reception side and an image display side. The filter layer includes an... Agent: Microsoft Corporation

20120019790 - Light source device and projector: A light source device includes: an arc tube having a bulb portion and a sealing portion; a reflector which fixes the arc tube; and a holding portion which holds the reflector, wherein the holding portion includes an inlet port, a partition provided between the inlet port and the arc tube,... Agent: Seiko Epson Corporation

20120019791 - Projection optical system and image projection device: A projection optical system includes a first optical system, a second optical system, and first and second reflection mirrors. The first and second reflection mirrors are arranged on an optical path between an image forming element and a reflection surface of the second optical system, so that a direction of... Agent: Ricoh Company, Ltd.

20120013850 - Light emitting apparatus, illuminator, and projector: A light emitting apparatus includes a first rod integrator and a second rod integrator supported by a support substrate and a light emitting device disposed between the first rod integrator and the second rod integrator. The light emitting device emits a plurality of light beams to be incident on the... Agent: Seiko Epson Corporation

20120013851 - Front projection screen with high contrast: A light diffusing optical construction is disclosed. The optical construction includes an asymmetric optical diffuser that scatters light in a first direction with a first viewing angle AH and in a second direction orthogonal to the first direction with a second viewing angle AV. The ratio AH/AV is at least... Agent:

20120013852 - Alternating beam laser imaging system with reduced speckle: An imaging system (200) is configured to reduce perceived speckle in images (201) produced by the imaging system. The imaging system (200) includes one or more laser source pairs (205,206), with each laser source pair being configured to produce two beams (209,210) of a color. A spatial light modulator (211)... Agent: Microvision, Inc.

20120013853 - Projector: A projector includes: a plurality of light modulating devices; a light combining optical device having a plurality of light incidence planes that faced a corresponding one of the light modulating devices, the light combining optical device configured to combine the color lights modulated by the plurality of light modulating devices;... Agent: Seiko Epson Corporation

20120013854 - Projection type display device: It is possible to reliably prevent dust particles from becoming attached to optical components and it is also possible to suppress temperature rises in optical components. A projection type display device according to the present invention includes a plurality of optical components (20, 21, 24, 30, and so on), a... Agent:

20120013855 - Laser scanning imaging system with reduced speckle: An imaging system (200) is configured to reduce perceived speckle (106) in images (201) by introducing angular diversity into consecutively projected images. The imaging system (200) includes one or more laser sources (203) that are configured to produce one or more light beams (215). A light modulator (204) scans these... Agent: Microvision, Inc.

20120013857 - Mobile electronic device: It is an object to provide a mobile electronic device capable of reducing a possibility that a position to which an image is projected changes unintentionally. The mobile electronic device includes an image projector that projects an image, a housing that supports the image projector, a vibration generator that can... Agent: Kyocera Corporation

20120013856 - Projection display apparatus: A projection display apparatus may include alight source, a power supply unit, a detecting unit, a nonvolatile memory, a capacitor, and a control unit. The power supply unit supplies power from an external power supply to the light source power derived from the received power. The detecting unit detects a... Agent: Canon Kabushiki Kaisha

20120013858 - Dimming device and projector-type display apparatus comprising the same: A dimmer has a driving source, a driven body that is reciprocatingly moved by driving force generated by the driving source, and a transmission mechanism that transmits the driving force generated by the driving source. The transmission mechanism includes at least one rotary gear, and a conversion gear that converts... Agent:

20120008095 - Projection display device and speaker device: A projection display device includes: a light source; a light modulation portion which modulates light from the light source in accordance with an image signal; a projection portion which projects the light modulated by the light modulation portion onto a projection plane; a speaker device which outputs a sound in... Agent: Sanyo Electric Co., Ltd.

20120008097 - Manufacturing method of projection apparatus, manufacturing equipment of projection apparatus, and projection apparatus: A manufacturing method of a projection apparatus includes forming a modulation device unit in which a reflective light modulation device and a reflective polarizer are fixed to predetermined relative positions, and adjusting a position of the reflective light modulation device relative to a projection optical device by shifting a position... Agent: Seiko Epson Corporation

20120008096 - Optical element and color combiner: Optical elements, color combiners using the optical elements, and image projectors using the color combiners are described. The optical element includes light recycling stacks, a polarizing beam splitter, and a color-selective stacked retardation polarizing filter. The polarizing beam splitter includes a first reflective polarizer aligned to a first polarization direction.... Agent:

20120008098 - Light source device and projector: A light source device 10 includes an excitation light generation section 20 having a solid-state light source array 22 having a solid-state light source 25 adapted to generate an excitation light, an excitation light generation section 30 having a solid-state light source array 32 having a solid-state light source 35... Agent: Seiko Epson Corporation

20120008099 - Device and system for projecting images onto a screen: A device and system for projecting images onto a screen, wherein the device and devices which are included in the system have associated therewith components comprising a light source, a cooling means for the light source, at least one of a reflector adapted to focus light from the light source... Agent:

20120008100 - Dustproof structure of image generation device, and projection display device: The present invention includes: LCDs (47, 48, 49) corresponding to red, green, and blue, respectively; an air duct for red, an air duct for green, and an air duct for blue provided to blow cooling air to the LCDs (47, 48, 49), respectively; air filters (43, 50) provided in each... Agent: Nec Display Solutions, Ltd.

20120008101 - Display system: A projection apparatus for projecting an input image onto the projection surface includes a correction unit configured to correct distortion of an image to be displayed on the projection surface, a projection unit configured to project an image corrected by the correction unit, a communication unit configured to communicate with... Agent: Canon Kabushiki Kaisha

20120008102 - On-axis projection lens with offset: A method and system of projecting images with high degrees of image offset while limiting the physical offset of the projection lens elements. The methods and systems provided limit the displacement of the optical elements relative to the optical axis of the display panel and enable a very thin, efficient... Agent: Texas Instruments Incorporated

20120008103 - Ray casting for coherent light internal projection systems: A system and method for projecting coherent (e.g., laser) light imagery onto an interior surface of a 3-dimensional projection surface is provided. In some aspects, there is provided a coherent light source, which may comprise more than one wavelength (color) component such as red, green and blue laser sources. In... Agent: Iglobe Inc.

20120008104 - Mobile stand for interactive display system: There is disclosed an interactive whiteboard system including a mobile stand, an interactive surface, and a projector, wherein the mobile stand is adapted to support the interactive surface, and wherein the mobile stand further includes a support arm which extends away from the plane of the interactive surface to support... Agent: Promethean Limited

20120008106 - Method of driving discharge lamp, driving device, and projector: A method for driving a discharge lamp that supplies an AC current to a discharge lamp having a first electrode and a second electrode so as to produce discharge and to cause the discharge lamp to emit light includes, during a steady operation in which the AC current is supplied... Agent: Seiko Epson Corporation

20120008107 - Projection display: The invention provides a projection display that achieves continuous light amount control with ease and without causing unevenness of illumination of light applied to a light valve responsive to a video signal, thereby allowing constant image display with satisfactory contrast. The projection display of the invention includes a light valve... Agent:

20120008105 - Projector and method for controlling the same: There is provided a projector that uses a laser light source and is safe and realizes high brightness. The projector applies a laser beam emitted from a laser light source (101) to an image modulation device (105) and magnifies and projects an image formed in the image modulation device (105)... Agent:

20120008108 - Projection display device: A projection display device includes: a light source; a rod-type integrator which unifies light emitted from the light source in intensity distribution; an imager which modulates the light emitted from the integrator; and an optical axis adjuster for adjusting an optical axis of the light source with respect to an... Agent: Sanyo Electric Co., Ltd.

20120008109 - Automatic focusing projecting device and method of automatic focusing: An automatic focusing projecting device includes an image light source, a first image lens, an image sensor, a second image lens, a memory, a microprocessor, and at least a driving device. The image light source projects an image onto a screen through the first image lens. The image sensor senses... Agent: Asia Optical Co., Inc

20120008110 - Projector module with engagement design and related combinative projector module: A projector module includes a projector and an electronic device. The projector includes a projector case, a first connector, and at least one guide rail structure. The first connector and the guide rail structure are disposed on the projector case. The projector is detachably disposed on the electronic device. The... Agent:

20120002172 - Light source apparatus and projection display apparatus: A light source apparatus according to an embodiment includes: a light source that emits narrow-band exciting light; a polarization adjusting element that adjusts a polarization state of the exciting light; a light guide element capable of changing a direction of the exciting light according to the polarization state adjusted by... Agent: Sanyo Electric Co., Ltd.

20120002171 - Projection lens module of pico projector: The projection lens module contains a number of lenses, a stop, a PBS (polarizing beam splitter), and a LCoS (liquid crystal on silicon) panel. The lenses, from outside towards inside, contains a negative first lens, a positive second lens attached to the negative first lens, a negative third lens, a... Agent:

20120002173 - Projector: A projector includes: an illumination device including plural solid-state light sources, plural collimator lenses that are provided to correspond to the plural solid-state light sources and substantially parallelize lights generated in the plural solid-state light sources, respectively, a focusing system that focuses the lights from the collimator lenses on a... Agent: Seiko Epson Corporation

20120002174 - Light source system of pico projector: The a light source system of pico projector is composed of a light-emitting diode module, collimators, a lens array, magnification lenses, and an LCoS (light crystal on silicon) panel, arranged in sequence with appropriate spacing in-between. The light-emitting diode module, as the light source, emits red, green, and blue lights.... Agent:

20120002175 - Projector and projector control method: A projector which includes: a light source lamp; a cool down unit which performs a cool down process for the light source lamp; a mode selection unit through which a normal mode for executing the cool down process at the time of power off or a special mode for eliminating... Agent: Seiko Epson Corporation

20120002176 - 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 divided into an outlet... Agent: Casio Computer Co., Ltd.

20120002177 - Projection device and light source temperature regulating method therefor: A projection device and a light source temperature regulating method thereof are provided. The projection device comprises a light source, a cooling unit and a control unit. The light source is operated at a working temperature. The cooling unit provides a cooling capacity to the light source. The control unit... Agent:

20120002178 - Image stabilization and skew correction for projection devices: Methods, systems, and computer-readable media for generating a projected image are provided. Movement measurements are received from an accelerometer within a projection device. A determination is made as to whether the movement measurements indicate movement of the projection device. Upon determining that the movement measurements indicate movement of the projection... Agent:

20120002179 - Adjusting system and projector including the same: An adjusting system for a projector includes a reference point projection unit, an infrared apparatus, a micro controller unit (MCU), and a graphic processing unit (GPU). The reference point projection unit stores reference points. The reference points are projected on a screen to form projection points. The infrared apparatus includes... Agent: Hon Hai Precision Industry Co., Ltd.

20120002180 - Projection device with brightness adjustment function and method thereof: A projection device with an illumination adjustment function is provided. The projection device includes a storage unit for storing a predetermined illumination range value; a lens module, a light source, a power supply unit, an optical sensor, a controller, a power controller, and an optical engine. The light source emits... Agent: Hon Hai Precision Industry Co., Ltd.