Optics: image projectors inventions 09/06

20060209261 - Positioning a front panel of a telematics terminal: Positioning a front panel of a telematics terminal includes receiving an electronic signal that indicates a change in a physical position of a display panel of the telematics terminal. The front panel, which is distinct from the display panel of the telematics terminal but located on a same side of...

20060209262 - Apparatus and method for projecting images and/or processing materials: Disposed between the deflection device (3) and the projection area or the processing area (7) is a shading element (6), by means of which the light beam (2) is faded out within a multiplicity of time intervals, into which the total duration of the projection or the processing is subdivided,...

20060209264 - Image display device: An image display device includes a light source that supplies beam-like light; a scanning portion that scans light from the light source to display an image by using light from the scanning portion; and a connecting portion that electrically connects the light source and an external power source that supplies...

20060209263 - Off-axis optical engine in an lcos projection system: An off-axis optical engine in an LCoS projection system has an LCoS panel, and the LCoS panel has a liquid crystal layer with a longitudinal axis of liquid crystal molecules parallel to an incident direction of a first light beam directed to the LCoS panel. The liquid crystal molecules in...

20060209265 - Prism structure and projector: A prism structure that includes: a plurality of liquid crystal devices each include a liquid crystal panel and a light emitting-side optical element, and generate an image light through modulation of any of a plurality of color lights in accordance with image information; and a cross dichroic prism that combines...

20060209266 - Projection display apparatus using liquid cooling and air cooling: A projection display apparatus comprises a liquid crystal unit assembly which includes a liquid crystal panel, an incident side polarizing plate and an emitting side polarizing plate which are arranged on an incident side and on an emitting side of the liquid crystal panel, respectively, and a color combining prism....

20060209267 - Projection apparatus, ceiling hanging hardware for projection apparatus, and method of controlling operation of projection apparatus: A projection apparatus includes a projector including a cooling fan which cools the inside of a main unit through an air hole provided in the main unit and ceiling hanging hardware including a bracket having an external cooling fan which faces the air hole and whose air-flow direction coincides with...

20060209268 - System and method for mechanically adjusting projector pose with six degrees of freedom for image alignment: A method adjusts a pose of a projector with respect to a display surface. A homography HD,P is determined between a display surface and a projector. The homography HD,P is decomposed into rotation and translation parameters expressing a pose MP of the projector. An ideal pose M0 of the projector...

20060209269 - Single light valve projection device and method for projecting images: An improved single light valve projection device comprising: a metal halide lamp which is driven by a direct current (DC); a relay-optic, consisting of an optical assembly; a single light valve element; a rotating color wheel which is positioned in between said metal halide lamp and the relay-optic and which...

20060209270 - Light source apparatus that collects and provides different-colored light rays emitted by a plurality of different-colored light sources and a projector comprising such light source apparatus: In a light source apparatus, a reflector has an inner reflective surface complementary to a part of the outer surface of an ellipsoid with a pair of focal points. The surface part has a first one of the pair of focal points therewithin. An array of light emitting elements is...

20060209272 - Image projection apparatus having an elevation adjustment mechanism with memory: An image projection apparatus having an adjuster mechanism with a projecting member projecting from a bottom surface of the case to adjust the elevation angle of a projection lens and an opening/closing member located at a front surface of said projection lens for opening or closing the projection opening. The...

20060209271 - Lens cover: A lens cover that may be secured to a case of a projector is herein disclosed. The lens cover has incorporated therein a lens that may be aligned with a lens of the projector to modify the throw ratio of the projector lens....

20060209273 - Auto-turning on/off module and method thereof: An auto-turning on/off module is used for controlling projection apparatus to process an auto-turning on/off action according to an auto-turning on/off procedure and comprises a first central processing unit, a second central processing unit and a memory. The first and the second central processing unit are disposed in the projection...

20060203200 - Illumination optical system and projection display optical system: An illumination optical system is disclosed, which provides a luminous flux with a small incident angle on an illumination surface in one axis direction on a section of the luminous flux. The illumination optical system can suppress a reduction in light amount by a mask provided for a polarization conversion...

20060203201 - Display optical system: A projection type display optical system is provided to resolve problems of keystone distortion, and to improve illumination efficiency and contrast uniformity of an image. The projection type display optical system includes: a light source; DMD as an image display means to which an emitting light ray from the light...

20060203202 - Image display device and projector: An image display device that displays an image by modulating a light from a light source according to display image data, includes: a first light modulation element that modulates a light emitted from the light source; and a second light modulation element that is disposed on an optical path in...

20060203203 - Image projection system and a method of controlling a projected pointer: The present invention relates to an image projection system whereby a display position of a pointer on a projected image can be easily controlled from a location separated from the main control means. The system comprises a liquid crystal projector, a personal computer for controlling the liquid crystal projector to...

20060203205 - Illumination source device and projection image display device: A simple and compact illumination source device capable of efficiently cooling an LED comprises a mounting base board having a heat conductivity higher than 50 W/m·K for mounting an LED element thereon through heat transfer member, a metal supporting structure for supporting the mounting base board and a collimation lens...

20060203204 - Image projection apparatus for adjusting white balance in consideration of temperature of led and method thereof: An image projection apparatus for adjusting a white balance in consideration of a temperature of an LED and a method thereof. The image projection apparatus includes a light source unit to sequentially emit lights generated by a red (R)-light emitting element, a green (G)-light emitting element, and a blue (B)-light...

20060203206 - Cooling apparatus and a projector having the same: A projector includes a first LED module having a first LED projecting a ray of one of three primary colors of light and a first substrate mounting the first LED. A second LED module includes second and third LEDs projecting the other two colors of the three primary colors and...

20060203207 - Multi-dimensional keystone correction projection system and method: A digital circuit, system, and method for keystone correction of a projected image utilize a digital keystone correction engine to resize a raster-scanned input image prior to projection. An image keystone correction engine uses coordinates of the corners of the image on the display device that are modified to produce...

20060203208 - Projector: An embodiment of an apparatus includes a surface and a projector to project light onto the surface. The embodiment further includes a first lens array to receive the light from a first region of the surface and a second lens array to receive the light from a second region of...

20060203209 - Colour-sequential projection system comprising four primary colours: A projection display device comprises an illumination system having a light source providing an illumination beam, a colour filter means comprising four different colour filter segments, corresponding to four different primary colours, respectively, for scanning an image display panel with different coloured portions of the illumination beam, and an image...

20060203210 - Light amount adjusting device and projector using the same: A light amount adjusting device is assembled in a projector having a light source and a projection device projecting light from the light source on a screen through an image forming panel. The light amount adjusting device is arranged in the projection device or between the light source and the...

20060203211 - Focus regulator and projection apparatus having same: A focus regulator is provided for simplifying and minimizing the structure of an image projector. The focus regulator includes a controller rotatably formed on a main body to be limitedly movable in the direction of the optical axis. A focus lens unit is affixed to the projection lens unit of...

20060203212 - Lamp apparatus: A lamp apparatus including a projector and a controlling component is provided. The projector has a light source for projecting a beam of light. The controlling component is used for controlling the light source of the projector, so that the beam of light projected by the light source may be...

20060197914 - Four panel projection system: A four-panel liquid-crystal-on-silicon (LCOS) projection display system utilizes four available ports of a beam splitter and polarization filter architecture to provide a four-color component image with an increased brightness and color gamut compared with typical three-color component images. The projection display system includes a light source, four light modulating panels,...

20060197915 - Reflection type projection display apparatus: One of preferred embodiments according to the present invention provides a reflection type projection apparatus that includes wire grid polarizers provided respectively for red (R), green (G) and blue (B) light that allow a first polarization component included in R, G, or B light from illumination units to pass therethrough...

20060197916 - Projector: A projector which projects an image, includes: an optical configuration section which includes: a light source which emits light; an optical conversion section which includes a conversion section which converts the light emitted from the light source into an image based on image data; and a projection lens which enlarges...

20060197917 - Optical device and projector: A projector including: a light source device; an optical device including, an optical modulator that modulates a luminous flux from a light source in response to image information, an optical modulator holding frame that holds the periphery of the optical modulator, and an optical modulator cooling duct that is disposed,...

20060197918 - Projector and projector lamp control: It is determined whether or not an optical disk is loaded on an optical disk reproducing unit which reproduces video data recorded on an optical disk, and in the case where the optical disk is loaded, a power supply of a lamp is controlled so that a predetermined brightness is...

20060197919 - Manufacturing method for cooling unit, cooling unit, optical device, and projector: A method of manufacturing a cooling unit that includes a cooling plate in which a cooling fluid flows, the cooling plate having a structure in which a pair of tabular members are arranged to be opposed to each other with a cooling pipe, through which the cooling fluid flows, sandwiched...

20060197920 - Projector and method of controlling the same: A projector in which an image signal is inputted to project an optical image corresponding to the image signal and display the image on a projection surface, the projector including: an optical modulation unit having an area capable of modulation where light can be modulated for modulating the light emitted...

20060197921 - Optical angle detection apparatus: In an optical angle detection apparatus, a single optical distance measurement unit is disposed opposite an object having a plane. The optical distance measurement unit includes a light projecting portion that projects a beam in the direction of an optical axis, and a light receiving portion that receives a beam...

20060197922 - Display: Viewable images may be displayed from a substantially dark substrate. Light emitting material may be integrated into a substantially dark substrate. The light emitting material may be configured to emit visible light in response to absorption of ultraviolet light. The light emitting material may include a plurality of light emitting...

20060197923 - System for projecting an image using narrow band light sources: The invention provides an image projection system including a first light source and a second light source. Light from the first light source is limited to a finite number of limited wavelength intervals. An imaging device is adapted for modulating light from the first and second light sources. A beam...

20060197924 - Distance adjusting apparatus and optical assembly of a projector having the same: A distance adjusting apparatus is disposed between a first optical module and a second optical module for adjusting the distance between the two optical modules and includes a supporting component, a stroke ring and an elastic component. The supporting component includes a bump. The stroke ring includes a spiral surface....

20060197926 - Illumination optical system and projection display optical system: An illumination optical system which can use light from a light source with high efficiency and can provide an illumination luminous flux with highly uniform illuminance, is disclosed. The illumination optical system illuminates an illumination surface with a generally telecentric illumination luminous flux. In light intensity distribution of illumination light...

20060197925 - Light source unit and projector apparatus: A light source unit and a projector apparatus secure a certain light quantity by improving the utilization efficiency of light, and thereby realize miniaturization. The light source unit includes a reflector having an opening for housing a lamp and an opening for radiating light, the reflector having an inner surface...

20060197914 - Four panel projection system: A four-panel liquid-crystal-on-silicon (LCOS) projection display system utilizes four available ports of a beam splitter and polarization filter architecture to provide a four-color component image with an increased brightness and color gamut compared with typical three-color component images. The projection display system includes a light source, four light modulating panels,...

20060197915 - Reflection type projection display apparatus: One of preferred embodiments according to the present invention provides a reflection type projection apparatus that includes wire grid polarizers provided respectively for red (R), green (G) and blue (B) light that allow a first polarization component included in R, G, or B light from illumination units to pass therethrough...

20060197916 - Projector: A projector which projects an image, includes: an optical configuration section which includes: a light source which emits light; an optical conversion section which includes a conversion section which converts the light emitted from the light source into an image based on image data; and a projection lens which enlarges...

20060197917 - Optical device and projector: A projector including: a light source device; an optical device including, an optical modulator that modulates a luminous flux from a light source in response to image information, an optical modulator holding frame that holds the periphery of the optical modulator, and an optical modulator cooling duct that is disposed,...

20060197918 - Projector and projector lamp control: It is determined whether or not an optical disk is loaded on an optical disk reproducing unit which reproduces video data recorded on an optical disk, and in the case where the optical disk is loaded, a power supply of a lamp is controlled so that a predetermined brightness is...

20060197919 - Manufacturing method for cooling unit, cooling unit, optical device, and projector: A method of manufacturing a cooling unit that includes a cooling plate in which a cooling fluid flows, the cooling plate having a structure in which a pair of tabular members are arranged to be opposed to each other with a cooling pipe, through which the cooling fluid flows, sandwiched...

20060197920 - Projector and method of controlling the same: A projector in which an image signal is inputted to project an optical image corresponding to the image signal and display the image on a projection surface, the projector including: an optical modulation unit having an area capable of modulation where light can be modulated for modulating the light emitted...

20060197921 - Optical angle detection apparatus: In an optical angle detection apparatus, a single optical distance measurement unit is disposed opposite an object having a plane. The optical distance measurement unit includes a light projecting portion that projects a beam in the direction of an optical axis, and a light receiving portion that receives a beam...

20060197922 - Display: Viewable images may be displayed from a substantially dark substrate. Light emitting material may be integrated into a substantially dark substrate. The light emitting material may be configured to emit visible light in response to absorption of ultraviolet light. The light emitting material may include a plurality of light emitting...

20060197923 - System for projecting an image using narrow band light sources: The invention provides an image projection system including a first light source and a second light source. Light from the first light source is limited to a finite number of limited wavelength intervals. An imaging device is adapted for modulating light from the first and second light sources. A beam...

20060197924 - Distance adjusting apparatus and optical assembly of a projector having the same: A distance adjusting apparatus is disposed between a first optical module and a second optical module for adjusting the distance between the two optical modules and includes a supporting component, a stroke ring and an elastic component. The supporting component includes a bump. The stroke ring includes a spiral surface....

20060197926 - Illumination optical system and projection display optical system: An illumination optical system which can use light from a light source with high efficiency and can provide an illumination luminous flux with highly uniform illuminance, is disclosed. The illumination optical system illuminates an illumination surface with a generally telecentric illumination luminous flux. In light intensity distribution of illumination light...

20060197925 - Light source unit and projector apparatus: A light source unit and a projector apparatus secure a certain light quantity by improving the utilization efficiency of light, and thereby realize miniaturization. The light source unit includes a reflector having an opening for housing a lamp and an opening for radiating light, the reflector having an inner surface...