Optics: image projectors inventions 12/08

20080316430 - Projection apparatus: A projection apparatus including an illumination system, a reflective light valve and an imaging system is provided. The illumination system emits an illumination beam. The reflective light valve is disposed on a transmission path of the illumination beam. The imaging system includes a first lens group, a polarization beam splitter... Agent: J C Patents, Inc.

20080316431 - Wavelength-selective polarization conversion element, illumination optical system, and image projection apparatus: The wavelength-selective polarization conversion element includes a plurality of polarization splitting surfaces each of which separates entering light into two polarized light components having polarization directions different from each other, a plurality of phase plates that causes a polarization direction of one polarized light component in the two polarized light... Agent: Morgan & Finnegan, L.L.P.

20080316432 - Digital image projection system: Methods and systems for projecting an image on an object or objects in a performance area are described. Special visual effects may be created using these methods and systems. Information about the object(s) and performance area is acquired and used to process the visual effects. Using this information, images can... Agent: Woodcock Washburn LLP

20080316433 - Beam switch for an optical imaging system: The present invention relates to a beam switch (1) for an optical imaging system. An at least partially reflecting foil (2), is sandwiched in a slanted position in a space between a first plate (3) and a second plate (4). The switch (1) further comprises a foil electrode (6) associated... Agent: Philips Intellectual Property & Standards

20080316434 - Multi-resolution digital table display system: A multi-resolution digital table display system is provided for integrally displaying an image picture with more than one resolution. The multi-resolution digital table display system includes a table, a peripheral projection device, a foveal projection device, and an image module. For saving space and avoiding affection of user's hand, the... Agent: Wpat, PC Intellectual Property Attorneys

20080316435 - Image projector and method and program for controlling the operation of the projector: An image projector apparatus comprising a cooler (24) having a variable capability to cool a light source (18), commanding means (29) which gives a command to terminate a lightening operation of the light source, selecting means (29) responsive to the command given by the projection light processor for selecting a... Agent: Frishauf, Holtz, Goodman & Chick, PC

20080316437 - Light source compartment storing light source unit and projector including the same light source compartment: A protector is provided which can prevent the leakage of light from a light source lamp to the outside of the projector and which can discharge air that has cooled a light source unit to the outside of the projector with a small ventilation resistance. A light source compartment storing... Agent: Frishauf, Holtz, Goodman & Chick, PC

20080316436 - Pump unit and projector using same: A pump unit includes a pump body for discharging compressed air, a communication pipe including an elastic material and having one end fitted into a discharge port, and a pump fixture for fixing part of the communication pipe except for the one end fitted into the discharge port. The pump... Agent: Mcginn Intellectual Property Law Group, PLLC

20080316438 - Display device: The disclosure is directed to a display device. In one example, the display device includes a screen unit having a screen and a projection section that projects an image light. An arm section is attached to the screen unit so as to protrude therefrom. A reflection unit is attached to... Agent: Advantedge Law Group, LLC

20080316439 - Illumination system and projection system incorporating the same: An illumination system and a projection system incorporating same are disclosed. The illumination system includes a two-dimensional array of independently operable light sources. Each light source illuminates substantially the entire active area of a pixelated optical light modulator. Each light source emits light in different emission directions. Each emission direction... Agent: 3m Innovative Properties Company

20080316440 - Optical system unit and projector including the same optical system: An optical system unit having a light smoothing unit for emitting a light beam which is substantially parallel to an optical axis and a projector including the optical system unit are provided. The optical system unit includes a light source-side optical system, a display device for forming an image by... Agent: Frishauf, Holtz, Goodman & Chick, PC

20080309884 - Electronic projection systems and methods: Embodiments of the present invention comprise electronic projection systems and methods. One embodiment of the present invention comprises a method of creating composite images with a projection system comprising a first projector and at least a second projector, comprising generating a correspondence map of pixels for images by determining offsets... Agent: John S. Pratt, Esq Kilpatrick Stockton, LLP

20080309886 - Controllable light monitor element and device for use: The invention relates to a controllable light modulator (M) whose transmission can be controlled by the intensity of electric fields, wherein it is exposed to an intensity-controlled microwave field. Furthermore a device for laser projection is illustrated which is controlled by a light modulator of this kind.... Agent: Browdy And Neimark, P.l.l.c. 624 Ninth Street, Nw

20080309887 - Micro-scanner and image projection apparatus using the same: A micro-scanner adapted for being miniaturized and an image projection apparatus using the same. The micro-scanner includes a scan mirror for scanning incident light to a screen while swinging about a rotary shaft; and upper and lower supports for rotatably supporting the top and bottom parts of the rotary shaft.... Agent: Cha & Reiter, LLC

20080309885 - Projection display device: An optical system (light guiding optical system) for guiding G-light and R-light to liquid crystal panels is protruded in an opposite direction from projection optical system with regard to an optical axis of a light source. A space is created between an optical engine and a wall surface, and air... Agent: Mots Law, PLLC

20080309888 - Stage projector structure: A projector structure, such as a stage use projector, is provided for managing light projection and suitable for replacing a “Gobo” device. The projector structure has a digital micromirror device (DMD) and a refraction and/or reflection device for circulating light beams (R) around the digital micromirror device and maintaining the... Agent: Cohen, Pontani, Lieberman & Pavane LLP

20080309889 - Speech prompter apparatus: A portable and easily used speech prompter apparatus relies upon a standard laptop computer and a coated display screen that is attachable to a table, podium or to a floor stand. The display screen is attached to flexible tubing, which allows the screen to be adjusted easily by the users,... Agent: Hancock Hughey LLP

20080309890 - Projection apparatus and light integration rod thereof: A light integration rod having a light input end and a light output end opposite to each other is provided. The light integration rod includes a first reflective plate, a second reflective plate, a third reflective plate and a fourth reflective plate. The second reflective plate is opposite to the... Agent: J C Patents, Inc.

20080304013 - Projection type stereoscopic display apparatus: Provided is a projection type stereoscopic display apparatus that can separately display far images and near images. The projection type stereoscopic display apparatus includes: a projector projecting a near image with first polarized light and a far image with second polarized light, which is different from the first polarized light... Agent: Thelen LLP

20080304014 - Rear projector and rear projecting method: The application relates to a rear projector and a rear projection method. There is provided at least one projection screen, at least two beamers, each of the at least two beamers generating one view of a scene into at least one viewing direction and projecting the view onto the rear... Agent: Philips Intellectual Property & Standards

20080304015 - Color filtering device: A color filtering device including a color filter, a plurality of polarization beam splitting units, a plurality of reflecting units, and a plurality of wave plates is provided. The color filter has a plurality of filtering parts and a plurality of light shielding parts alternately arranged thereon. Each of the... Agent: J C Patents, Inc.

20080304016 - Projector, projection system, and method for generating pixel value in projector: A projector includes an illuminator; a first image formation unit including a first optical unit having a light modulation element that modulates the light from the illuminator, the first image formation unit using the first optical unit to output first image light; a second image formation unit including a second... Agent: Oliff & Berridge, PLC

20080304017 - Imaging displacement module: An imaging displacement module including a frame, an optical element, a carrier, a connecting portion and at least a first actuator is provided. The frame has a first opening, and the optical element, the carrier, the connecting portion and the first actuator are all disposed in the first opening. The... Agent: J C Patents, Inc.

20080304018 - Projection system: A projection system includes a projection screen defining a shape and a projector configured to project an image onto the projection screen. The projector may project a static or dynamic image that has substantially the same shape as the projection screen or otherwise block portions of the projected image that... Agent: 3m Innovative Properties Company

20080304019 - Projection optical system, magnification projection optical system, magnification projection apparatus, and image projection apparatus: A projection optical system for use in an image projection apparatus illuminating a lightbulb forming an image in accordance with a modulating signal with illumination light from a light source is disclosed. The projection optical system includes first and second optical systems arranged along an optical path defining an upstream-downstream... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080304020 - Projecting device: A projecting device includes a casing, an optical engine, and a heat-dissipating mechanism. The casing includes a lower casing body and an upper casing body covering the lower casing body. The optical engine is disposed in the casing, and includes a light source module. The heat-dissipating mechanism includes a first... Agent: Gallagher & Lathrop, A Professional Corporation

20080304021 - Light-shielding module and projection apparatus using the same: A light-shielding module including a bracket, a pendulous member, a shielding member, a first magnet, a second magnet and a first coil is provided. The pendulous member has a first end and a second end opposite to each other and is pivoted on the bracket. The first end extends along... Agent: J C Patents, Inc.

20080304022 - 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: Birch Stewart Kolasch & Birch

20080304023 - Tilting actuator for light-projection: Disclosed herein is a tilting actuator for light-projection. The actuator comprises a mirror for reflecting light being projected from a light source, a tilting portion on which the mirror rests, a support portion, a hinge portion formed to connect the tilting portion and the support portion with each other, and... Agent: Rosenberg, Klein & Lee

20080304024 - Optical engine for a projection display device: An optical engine for a projection display device includes a housing, a light source module, an imaging unit, and a projecting mechanism. The housing includes a base wall and a surrounding wall cooperating with the base wall for defining a receiving space with an opening. The light source module is... Agent: Connolly Bove Lodge & Hutz LLP

20080297726 - Projection system for automotive and other applications: A projection system includes a projection device and a viewing surface. The projection device is configured to project an image onto the viewing surface. The viewing surface has a first side and a second side. The viewing surface is substantially diffuse reflective when viewed from the first side and substantially... Agent: 3m Innovative Properties Company

20080297727 - Spotlight projecting apparatus: An apparatus includes a laser projector and a laser beam ECU that is connected to a vehicle communication apparatus for communicating with an information center that provides a guidance service by an operator. According to an operation guidance by the operator, information indicating a switch to be operated is sent... Agent: Nixon & Vanderhye, PC

20080297728 - Color projector with a compact optical integrator and method of projecting an image using the same: In the color projector (200, 300, 400), a light source (220) produces first, second, and third colored light beams. An optical integrator (230, 330, 430) integrates the first colored light beam, the second colored light beam, and the third colored light beam. The integrated first colored light beam, second colored... Agent: Philips Intellectual Property & Standards

20080297729 - Projector: A projector includes: an image creation unit that projects image information upon a screen, comprising a plurality of picture elements that create an image pattern corresponding to the image information; and an illumination unit in which light emitting members are disposed upon a vertical plane with respect to an optical... Agent: Oliff & Berridge, PLC

20080297730 - Projector: A projector includes: a plurality of light sources for generating lights having different colors; a spatial optical modulator for performing a line-modulation of the lights; wavelength selection filters, disposed between the light sources and the spatial optical modulator, for transmitting or reflecting the lights according to light wavelengths; and a... Agent: Cha & Reiter, LLC

20080297731 - Apparent speckle reduction apparatus and method for mems laser projection system: A laser projection system is disclosed having reduced apparent speckle. The system includes a laser emitting a first beam on an optical element. The optical element emits a second beam incident on a scanner that scans the beam onto a projection screen. The optical element may be an exit pupil... Agent: Microvision, Inc.

20080297732 - Light source unit and image projection apparatus having the same: A light source unit and an image projection apparatus are provided. The light source unit includes: a light source part including a light source and a reflective member which reflects light emitted from the light source; and an infrared ray dividing part which is provided corresponding to a shape of... Agent: Sughrue Mion, PLLC

20080297733 - Distortion detection system and distortion detection method: The present invention relates to a distortion detecting system and a distortion detecting method having a structure for efficiently detecting distortion of a projected image that is projected onto a projected surface by a projector. The distortion detecting system includes a photodetecting apparatus, and an analyzing apparatus. When a reference... Agent: Drinker Biddle & Reath (dc)

20080297734 - Projection display device and method for controlling off-beams thereof: A projection display device and a method for controlling off-beams thereof are provided. The projection display device includes a case, a light source which is disposed in the case and outputs color light, a digital micro mirror device (DMD) which is disposed in the case, and controls micro mirrors and... Agent: Sughrue Mion, PLLC

20080297735 - Lamp driving method: A lamp driving method for a projection apparatus is provided. The projection apparatus has a light valve and a lamp. The lamp driving method includes adjusting a brightness of the lamp to different values according to multiple states of the light valve. The lamp driving method improves the energy efficiency... Agent: J C Patents, Inc.

20080297738 - Projector: The projector with at least two light sources for emission of light beams and a projection unit for controllable deflection of the light beams onto a projection surface has a control device to control light output of the light sources and a deflection of the projection unit, and also at... Agent: Baker Botts L.L.P. Patent Department

20080297736 - Projector and control method thereof: Disclosed herein is a projector that can be loaded with lamps of a plurality of kinds, each of a plurality of the lamps loadable into the projector being given a lamp serial code formed by arranging lamp information including at least a minimum wattage and a maximum wattage of the... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080297739 - Projector and driving method of light source for projector: A projector includes an discharge lamp which has a first electrode and a second electrode and emits light by generating discharge between the first and second electrodes, and a driving system which supplies power by alternating polarities of the first electrode and the second electrode. The driving system is operable... Agent: Oliff & Berridge, PLC

20080297737 - Projector, control method, control program, and recording medium: A projector to form image light by modulating light emitted from a light source according to image information and enlarges and projects the image light includes a projector main body with a light passing opening regulated by a blocking member, a reproduction device, and a control unit to control operation... Agent: Advantedge Law Group, LLC

20080297740 - Projection system and method of use thereof: A projection system and method of use thereof, wherein a computer in electrical communication with at least one projector projects a layout, preferably onto a floor projection surface utilizing short throw lenses, wherein the layout preferably comprises a grid and indicia relating to an exhibitor.... Agent: Williamson Intellectual Property Law, LLC

20080297742 - Projector apparatus: A projector apparatus capable of adjusting a projecting image without the user manually adjusting the image or selecting the past setting information for every usage opportunity. A projector apparatus according to the present invention is a projector apparatus capable of performing automatic adjustment based on past setting information related to... Agent: Birch Stewart Kolasch & Birch

20080297741 - Video projection device: 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 as a whole, and... Agent: Sidley Austin LLP