Optics: image projectors inventions 06/09

20090161072 - Illuminator, image display apparatus, and polarization conversion/diffusion member: An illuminator that illuminates a projected surface includes a laser light source that emits laser light; a polarization converter disposed downstream of the laser light source, the polarization converter having a first area that converts the polarization direction of incident laser light into a first polarization direction and outputs the... Agent: Oliff & Berridge, PLC

20090161073 - Projection display apparatus: A bundle of rays is incident in a lens array and converted into sub-bundles of rays. The sub-bundles of rays are separated by a color separator into first and second sub-bundles of rays of different colors. The first and the second sub-bundles of rays are combined by other lens arrays... Agent: Renner Kenner Greive Bobak Taylor & Weber

20090161074 - Screen and projection system: A screen including a first plane and a second plane opposite to the first plane, at least one of which is illuminated with light, includes a reflective portion that reflects the light incident on the first plane, a transmissive portion that transmits the light incident on the second plane toward... Agent: Advantedge Law Group, LLC

20090161075 - Laser projection utilizing spatial beam misalignment: Laser projection systems are provided comprising a laser source, scanning optics, beam splitting optics, and a scanning controller. According to one embodiment, the laser source is configured to produce at least two optical beams having different emission wavelength spectrums. The beam splitting optics are positioned downstream of the scanning optics... Agent: Corning Incorporated

20090161076 - Projection apparatus: A projection apparatus includes a plurality of light sources, a dichroic prism, a plurality of integrator rods, a light-deflecting optics, a light valve and a projection lens. The dichroic prism is used for forming a combined light beam. The integrator rods are positioned between the light sources and the dichroic... Agent: Joe Mckinney Muncy

20090161077 - Projection display system for modulating light beams from plural laser light sources: The present invention provides a projection display system comprising: illumination lights of plural colors emitted from plural laser light sources; an illumination optical system for illuminating the illumination light of at least one of the colors in an beam axis or in an illumination range, either of which is different... Agent: Bo-in Lin

20090161079 - Optical projector: A projector, comprising a housing, a light source, a reflecting mirror, a supporter, a film, a first lens, a second lens, and a lens carrier. The reflecting mirror and the supporter are disposed at the back of the housing. The first lens is disposed in the front of the housing.... Agent: Matthias Scholl

20090161078 - Projector, and mobile device and computer device having the same: A projector includes a housing, an optical unit, and a heat transfer module. The housing is made of a material with high thermal conductivity having a window. The optical unit is accommodated in the housing and further includes a light source, a panel, and a projection lens. The light source... Agent: Reed Smith LLP Attn: Juan Carlos A. Marquez

20090161080 - Displaying method of digital light processing (dlp) projector and dlp projector using the same: A displaying method of a digital light processing (DLP) projector includes the steps of: providing a light modulation device including a driver printed circuit board and a digital micromirror device (DMD), wherein the DMD includes a plurality of micromirrors each having a first stable state and a second stable state,... Agent: Hdls Patent & Trademark Services

20090161081 - Optical engine structure, rear projection apparatus, and front projection apparatus: An optical engine structure is provided. The optical engine structure comprises a base, an auxiliary supporting device, and an image projection device. The base defines a first supporting surface and a second supporting surface forming a specialized included angle therebetween. The auxiliary supporting device extends outwards from a side of... Agent: Grossman, Tucker, Perreault & Pfleger, PLLC

20090153804 - Apparatus, system, and method for the desktop-based creation, management, and publication of enhanced audiovisual presentations: A software apparatus for the user-friendly, desktop-based authoring, creation, management, and publication of a personal, enhanced audiovisual presentation comprising a software program which automatically captures and encodes the audiovisual presentation recorded by the user using the webcam, allows the user to edit an application-imported textual resume and synchronize parts of... Agent: Rg & Associates

20090153805 - Portable projector with a heat dissipation system: A portable projector includes a housing, a first light source and a second light source located in the housing. A board thermally contacts the first light source for absorbing heat from the first light source. A heat pipe connects the board and a first heat sink for transferring the heat... Agent: PCe Industry, Inc. Att. Steven Reiss

20090153806 - Light source device, projector, and driving method of discharge lamp: a sub-mirror arranged at the second electrode side facing opposite the main mirror that reflects the light flux from the interelectrode space toward the interelectrode space; and a driver that supplies alternating current to the first and the second electrodes, and changes duty ratio of the alternating current supplied to... Agent: Oliff & Berridge, PLC

20090153807 - Image projector: A projector having a housing containing an electrical light source, an image medium support aligned in the light path of the light source, and a lens through which light emanating from the light source exits the housing after passing through an image medium disposed in the image medium support.... Agent: Patent, Copyright & Trademark Law Group

20090153808 - Free-form condenser optic: A condenser for directing light from a UHP arc lamp or other generally cylindrical source onto a target such as a microdisplay in line with a front end of the lamp comprises a primary mirror to direct light from the source towards the back end of the condenser, and a... Agent: Henry Blanco White, Esq. Drinker Biddle & Reath LLP

20090153809 - Projection optical system and projection display device: A projection optical system includes a first refracting optical system having a plurality of lenses, a first reflecting optical system, and a second reflecting optical system. The first reflecting optical system is disposed on a side of a projection port with respect to an optical axis of the first refracting... Agent: Mots Law, PLLC

20090153810 - Adjusting apparatus for projector: An adjusting apparatus is provided for a projector and received in a case of the projector. The case includes a front wall defining a through hole. Two protrusions each defining a notch are formed on the inside surface of the front wall. The adjusting apparatus includes two supporting members partially... Agent: PCe Industry, Inc. Att. Steven Reiss

20090153811 - Cooperative pointillistic projection of a graphical image on a pre-selected remote surface by using a multiplicity of lasers: A method is described for multiple persons operating lasers to cooperatively project a pointillistic graphical image onto a remote surface. The visibility of the projected image depends on aiming the lasers with accurate relative displacements. Invariant features of the specific remote landscape where the image is to be projected are... Agent: Mark S. Braiman

20090147220 - Display apparatus using bilinear electromechanical modulator: A digital projection apparatus has a first light modulation subsystem with a first light source producing linear illumination of a first spectral color and a second light source producing linear illumination of a second spectral color. A first light modulator chip (110a) has at least two independently addressable linear arrays... Agent: David A. Novais Patent Legal Staff

20090147221 - Miniaturized projection display: A projection device is disclosed. The projection device comprises a plurality of LEDs (202, 204, 206) each generating light of a known wavelength, a light path associated with, and receiving the light from, each of the LEDs, each light path comprising a VA wavelength retarder (213, 223, 233), a first... Agent: Philips Intellectual Property & Standards

20090147222 - Angle diversity antispeckling in spot displays: Improvement of speckling noise is discussed in which a central light beam received at a double-sided mirror is divided into a plurality of sub-beams. An intensity of these sub-beams decays from a second sub-beam to a last sub-beam of the plurality. Each sub-beam is also separated at the double-sided mirror... Agent: Texas Instruments Incorporated

20090147223 - Projection system and method for operating a discharge lamp: A projection system and a method for operating a discharge lamp are described. The protection system comprises a discharge lamp 12 and driving electronics 14. The color wheel 18 serves as color filter for filtering light 16 emitted from lamp 12 to generate a light sequence 20 with different colors... Agent: Philips Intellectual Property & Standards

20090147224 - Image projection device: An image projection apparatus according to the present invention includes a light source for outputting laser light and a mirror section for reflecting and projecting the laser light having been output from the light source, and displays an image with at least a portion of the projected laser light. The... Agent: Mark D. Saralino (pan) Renner, Otto, Boisselle & Sklar, LLP

20090141244 - Mems based projector having a prism: A MEMS-based projector may be included in various user devices. A selective fold mirror, a MEMS-based projector, and a polarization rotator may be oriented to reflect a beam within the device for external projection. Alternatively, a total internal reflection prism may take the place of a selective fold mirror or... Agent: Microvision, Inc.

20090141243 - Projection type display apparatus with means for supplying an air cooling stream to a gap between a light receiving surface of a prism and a third surface of a closed triangular prismatic housing: A projection type display apparatus includes: a reflective polarizing plate for each color light which transmits each of R light, G light and B light having a P polarized component subjected to color separation by a color separation optical system therethrough, allows each transmitted light to enter a corresponding reflective... Agent: The Nath Law Group

20090141242 - Stereo projection apparatus using polarized solid state light sources: A digital image projector includes a first polarized light source; a second polarized light source that is orthogonal in polarization state to the first polarized light source; a polarization beamsplitter disposed to direct light of either the first or second polarization along a common illumination axis; a MEMS spatial light... Agent: Frank Pincelli Patent Legal Staff

20090141245 - Projection device: A projection device includes: a projector unit that has at least a light source and a projection optical system housed in a chassis; a control unit that is assembled with a chassis separate from the chassis of the projector unit; and a rotation support member that rotatably supports the projector... Agent: Oliff & Berridge, PLC

20090141247 - Heat sink and apparatus for projecting image having the same: Disclosed are a heat sink for cooling a light source unit, particularly laser light sources, and an apparatus for projecting an image having the same. The heat sink includes a heat dissipation unit for cooling a light source unit, and the heat dissipation unit includes a duct part for forming... Agent: Stanzione & Kim, LLP

20090141246 - Projection type image display apparatus: A projection type image display apparatus includes: a cabinet; a screen which is provided in the cabinet; a display device which is placed inside the cabinet and forms an image; and an optical system which projects an image formed by the display device to the screen and comprises at least... Agent: Sughrue Mion, PLLC

20090141248 - Projector: A projector includes an optical arrangement and a cooling arrangement. The optical arrangement includes a light source, a filtering component, a light modulation component and a projection lens. The filtering component filters the light emitted by the light source. The light modulation component modulates the light filtered by the filtering... Agent: GlobalIPCounselors, LLP

20090141249 - Projector: A projector includes: an optical component disposed inside a closed structure having air flow path through which air flows; and a circulating fan which circulates air. The closed structure includes: an optical component housing which accommodates the optical component; a duct which introduces air into the optical component housing, and... Agent: Advantedge Law Group, LLC

20090141250 - Off-axis projection system and method: A system and method for correcting optical distortion in an off-axis system is provided. The offset between the center of a display plane and the optical axis of the projection lens system is configured such that the offset is greater than half the vertical dimension of the display plane. In... Agent: Texas Instruments Incorporated

20090141251 - Illumination system to eliminate laser speckle and projection system employing the same: An illumination system designed to remove laser speckle and a projection system including the same. The illumination system includes a laser light source having at least one laser, a diffractive optical element to divide a laser beam emitted from the laser light source into a plurality of sub-beams and to... Agent: Stanzione & Kim, LLP

20090141252 - Projector: A projector that projects video light corresponding to an image signal onto a display surface includes: a light source device that emits light; a housing that houses at least the light source device; a projection lens, that is, an optical element that transmits the video light projected onto the display... Agent: Oliff & Berridge, PLC

20090141253 - Image output device capable of enlarged projection: An image output device includes a housing which is opened at a predetermined portion of a side wall thereof, a Fresnel lens which is installed in the opened portion of the housing, a base which is installed inside the housing to allow an object to be placed thereon, illumination means... Agent: Patent Law Group LLP

20090141254 - Projection type image display apparatus: A projection type image display apparatus comprising a light source, an optical integrator, by which light outgoing from the light source is changed in distribution of illumination, a color separation optical system, by which light outgoing from the optical integrator is separated into a plurality of light beams, and a... Agent: Antonelli, Terry, Stout & Kraus, LLP

20090141255 - Projection image display position control device, projection image display position control method, and projection system: A display position control device for projection image which controls a display position of a projection image displayed on a projection surface includes: a display position adjustment control unit which divides display position shift amount from a display target position of the projection image on the projection surface into a... Agent: Oliff & Berridge, PLC