Optics: image projectors inventions 02/08

20080049189 - Aerial-image display systems with a plastic mirror: An apparatus for producing aerial images is disclosed employing a combination of plastic spherical mirrors, beamsplitter polarizing filters, and light sources. An object to be displayed is illuminated, and its image is partially reflected by the beamsplitter to a focusing mirror and reflected to an aerial position. A polarizer prevents... Agent: J C Patents, Inc.

20080049191 - Projector including optical device: A projector that includes an optical device is provided. The optical device includes a first flat plate formed of a negative uniaxial refractive material, the first plate having an incidence plane and an emission plane parallel to each other and having an optical axis and a second flat plate formed... Agent: Oliff & Berridge, PLC

20080049193 - Projector apparatus: This invention provide a projector apparatus enabled to lower its exhaust air temperature by adding only minor modifications to the existing structure, without altering its basic structure. The liquid crystal projector apparatus of the invention has a casing (1) for accommodating therein a light source (4), an optical system adapted... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20080049194 - Projector having mechanism for lowering its surface temperature and method using the same: A projector having a mechanism for lowering its surface temperature is provided. The projector includes a fan, a side casing, and an air guide. The side casing is placed adjacent to the fan and includes a first section and a second section. The first section includes at least one air... Agent: Reed Smith LLP

20080049195 - Iris unit, and image projecting apparatus and display apparatus having the same: A display apparatus, includes: a tube part; and an iris unit comprising a main disk body accommodated in the tube part and comprising a main opening formed in a light path, a shutter member rotatably coupled with respect to the main disk body to open and close the main opening,... Agent: Sughrue Mion, PLLC

20080049196 - Projection system: A projection system has an illumination apparatus, a converging lens array, an imaging apparatus, and a projection lens. The illumination apparatus has a light source, a light collecting element, and a rod integrator. The light collecting element has a frustum shape, and connects to the rod integrator at an end... Agent: North America Intellectual Property Corporation

20080049197 - Projection display apparatus: A projection display apparatus includes a light source, a light intensity equalizing element, a reflective light valve, a relay optical system, and a projecting optical system; the light intensity equalizing element being an optical device in which a cross-sectional shape in a direction orthogonal to a central axis of the... Agent: Birch Stewart Kolasch & Birch

20080049190 - Optical projection subsystem: A projection subsystem includes a light engine that provides a collection lens, a collimator and at least one solid state light emitter. A projection lens assembly receives the image and provides a projection beam having a luminous flux level. The projection subsystem has a portability efficacy.... Agent: 3m Innovative Properties Company

20080049192 - Electronic device: A portable telephone device with incorporated projector 10 displays the contents of a received email upon a main liquid crystal display device 204. When a projection switch of a projector module 6 (FIG. 1) is ON, instead of providing this display upon the main liquid crystal display device 204, it... Agent: Oliff & Berridge, PLC

20080049198 - Real image projection device having plastic curved mirror for improving image and correcting aberrations: A device using a low-cost plastic curved mirror and several combinations of methods for reducing aberrations to improve a real image projection system is provided, so as to reduce ghost and astigmatism phenomenon. The real image projection system includes a curved mirror having two different optical surfaces of revolution, one... Agent: J C Patents, Inc.

20080049199 - Slide projector with multiple projection sections: The invention relates to an improved slide projector with multiple projection sections, which includes at least two lighting sources controlled by an IC therein. The projector has a head with multiple projection sections on its lens and a slot for receiving a slide, which is provided with multiple drawings relating... Agent: Rosenberg, Klein & Lee

20080049200 - Auxiliary device for electronic device equipped with projector, and electronic camera system: An cradle 100 equipped with a projector commands the power supply to an electronic camera 200 that is mounted on the cradle 100 to be turned on and the display of a main liquid crystal display 201 to be turned off in response to an on signal from a projection... Agent: Oliff & Berridge, PLC

20080043205 - Projector adaptation: A device includes a projector to project an image onto a surface; a camera to capture a picture of the image while it is being projected onto the surface; and logic to receive the picture and adjust a setting of the projector based on the received picture.... Agent: Harrity Snyder, L.L.P.

20080043206 - Light source system: A light source system comprises a first light source device, a second light source device, a first light guiding device, a second light guiding device, and a third light guiding device. The first light source device has a first principal axis. The second light source device has a second principal... Agent: Patterson, Thuente, Skaar & Christensen, P.A.

20080043207 - Projection apparatus: A projection apparatus includes a projection module and a user operation interface including a button module and a sensor module. The button module includes a button and a light source located under the button. The sensor module is electrically connected to the button module and the sensor module has a... Agent: Jianq Chyun Intellectual Property Office

20080043208 - Projection system and its optical shutter: An optical shutter for a projection system includes a shutter element and an actuator. The shutter element includes a light-shielding portion and a linkage portion. The light-shielding portion is disposed on the optical pathway of the projection system and is connected with the linkage portion. The light-shielding portion is bent... Agent: Birch Stewart Kolasch & Birch

20080043209 - Image display system with channel selection device: An image display system includes a first projector configured to project a first sub-frame onto a display surface to form at least a portion of a first image, a second projector configured to project a second sub-frame onto the display surface simultaneous with the projection of the first sub-frame to... Agent: Hewlett Packard Company

20080036970 - Liquid crystal projection system with improved image performance: A liquid crystal projection system (70) includes a light source (50) for emitting a white light beam of three primary colors, a polarizer (51) for polarizing the white light beam, a separating mirror (52), first and second reflecting mirrors (53, 54), first and second polarization separators (56, 57), a half-wave... Agent: Madson & Austin

20080036971 - Display device, multi-display system, and image information generation method: A display device includes: a transmission/reception section that transmits and receives information to/from any other display device connected thereto; a setting input section that enables setting of relative position information about a relative position between the display device and the other display device; and a control device that generates partial... Agent: Oliff & Berridge, PLC

20080036974 - Display device using diffractive optical modulator and having image distortion function: Disclosed herein is a display device using a diffractive optical modulator and having a distortion correction function. The display device includes a light source unit, a condensing unit, an illumination unit, a diffractive optical modulator, a projection unit, a filter unit, and a distortion correction means. The light source unit... Agent: Christensen, O'connor, Johnson, Kindness, PLLC

20080036975 - Projector and temperature control method used in the projector: A temperature control method adapted for a projector is provided. The projector includes a power supply unit, a battery, a cooling fan, a temperature detection unit, and a power management unit. The method includes: (a) switching power supply from the power supply unit to the battery, thereby maintaining a normal... Agent: North America Intellectual Property Corporation

20080036976 - Apparatus and method for providing image-correction function in projector: Provided is an apparatus and method for providing image-correction function in a projector. The apparatus includes an image-inputting module which receives a photographed image of a surface on which an image is to be projected; an image-analyzing module which analyzes an input state of the surface and calculates a color... Agent: Sughrue Mion, PLLC

20080036977 - Two-dimensional image forming apparatus: The present invention provides a two-dimensional image forming apparatus which also functions as an illumination apparatus at a low cost, and enlarges the utilization range f a two-dimensional image forming apparatus to a great extent. In a two-dimensional image forming apparatus (10) which includes a light source (1), two-dimensional image... Agent: Steptoe & Johnson LLP

20080036978 - Projecting apparatus and thermal controlling module thereof: A projecting apparatus includes a power, a lamp, and a thermal controlling module. The lamp is energized from the power. The thermal controlling module includes a blower, an air duct, and a thermal break. The blower and an air duct, which connects the lamp and the blower, are for making... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20080036969 - Display system and camera system: A display apparatus and an imaging apparatus constructed such that a high-resolution clear three-dimensional video image can be viewed from any direction. The display apparatus projects frame images, projected from a projector such as an electronic projector, to a video image projection surface of a three-dimensional screen through a polygonal... Agent: Reed Smith LLP

20080036972 - Led mosaic: An illumination system for illuminating a target area includes an LED source, a collection lens that collects light from the LED source, and an image-forming device positioned at the target area. The LED source includes a mosaic of LED dies forming a footprint of at least two different colors.... Agent: 3m Innovative Properties Company

20080036973 - Projection-type display apparatus: A projection-type display apparatus includes an illumination optical system (1) including a light source, a reflection-type light valve (2) having an image forming area on a to-be-illuminated surface illuminated by the illumination optical system (1), and a projection optical system (3) that projects an image formed on the image forming... Agent: Birch Stewart Kolasch & Birch

20080036979 - Motion picture display apparatus: A motion picture display apparatus according to the present invention comprises a casing, a transparent picture panel mounted on the casing, a motor mounted in the casing, a background picture disposed on rear of said dynamic picture device. The dynamic picture device is driven by the motor. Motion picture display... Agent: Suiter Swantz PC Llo

20080030687 - Image display device: An image display device for displaying a high quality and high resolution image without causing color irregularities, adapted to be assembled simply and at low cost. The device includes a plurality of spatial light modulation elements (6R, 6G; 6B) illuminated by lights of different colors for performing an image modulation;... Agent: Volpe And Koenig, P.C.

20080030688 - Projection apparatus: A projection apparatus including an illumination system, a reflective light valve, an imaging system, a loop heat pipe and a heat sink is provided. The illumination system is capable of providing a light beam and the reflective light valve is disposed on the transmission path of the light beam to... Agent: Jianq Chyun Intellectual Property Office

20080030689 - Method for shutting off projector: A method for shutting off a projector having a fan and a light source is provided. The method includes the following steps. The power of the light source is reduced from a first power to a second power and the speed of the fan is increased from a first speed... Agent: Jianq Chyun Intellectual Property Office

20080030690 - Projection device with a blower and a nozzle disposed on a bracket: A projection device with a blower and a nozzle disposed on a bracket is provided. The projection device includes a light-emitting device and a cooling module for cooling it. The cooling module includes a bracket, a blower disposed on the bracket for generating a wind, and a nozzle detachably disposed... Agent: North America Intellectual Property Corporation

20080030691 - Light emitting device, manufacturing method for light emitting device, illumination device using light emitting device, and projector: A light emitting device capable of achieving a small exit area, high directivity, and low loss; a manufacturing method thereof; an illumination device using this light emitting device; and a projector are provided. The light emitting devices 16 include an LED (light emitting element) 25, in the form of a... Agent: Volpe And Koenig, P.C.