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| Number | Title | Issue Date |
| 7914156 | 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 op... | 03/29/2011 |
| 7878665 | Holding apparatus for holding optical element above a base, exposure apparatus including the holding apparatus, and device manufacturing method using the exposure apparatus A holding apparatus adapted to hold an optical element above a base includes at least two held members provided at different positions on an outer periphery of the optical element; and holding members provided above the base for respective held members, the holding ... | 02/01/2011 |
| 7798656 | Projector device and portable telephone A projector device, includes: a projector unit, including a light source and a projection lens whose focal position is variable, that projects an image upon a projection surface with a light flux outputted from the light source that passes through the projection len... | 09/21/2010 |
| 7441909 | Optical assembly for a projection system An optical assembly for a projection system includes an objective lens and a retro-focus lens. Then objective lens and retro-focus lens share one or more lens elements. A method of projecting an image comprises directing light from a light source to one or more modu... | 10/28/2008 |
| 7399090 | Projector A projector includes a main body, a lens unit and a lens cover. The main body includes a housing and a groove formed on a bottom face of the housing. The lens unit is provided to the main body. The lens cover is configured to cover the lens unit. The lens cover is f... | 07/15/2008 |
| 7367682 | Color image projection arrangement and method A lightweight, compact image projection module, especially for mounting in a housing having a light-transmissive window, is operative for causing selected pixels in a raster pattern to be illuminated to produce an image of high resolution of VGA quality in color. | 05/06/2008 |
| 7359130 | Lens mount and alignment method An improved lens mount and related alignment methods are provided. In one example, a lens mount includes a ring member and a base member connected with the ring member. The base member has a bottom surface. First and second coplanar mounting pads are provided on the... | 04/15/2008 |
| 7354161 | Projector A projection position adjuster (8) of a projector includes a fixing plate (81), a first moving plate (82) that can move in a Y-axis direction and an X-axis direction orthogonal to each other in a plane orthogonal to a projection direction, a fir... | 04/08/2008 |
| 7347566 | Projection lens unit and rear projection type image display system An inexpensive projection lens unit in a rear projection type image display system, having a short focal distance (wide angle of viewing field), high focus and high contrast, and as well, including a power lens made of a glass material having a high refractive index... | 03/25/2008 |
| 7347569 | Correcting apparatus for projection system The present invention provides a correcting apparatus for correcting images projected from a projection system. The correcting apparatus includes a correcting module and a projection lens. The correcting module shields a light signal for producing a corrected light ... | 03/25/2008 |
| 7342732 | Optical mount An optical mount (1) for optical component (2) which has a edge contour (4) relative to extending radially optical axis (A), includes a rigid optical support (3) having an axially oriented stop edge (5), which is suitable for an ax... | 03/11/2008 |
| 7327513 | Method and apparatus for viewing target Apparatus and method for viewing a target. A primary lens produces an image plane of the target, and an optical magnifier in an optical path of the primary lens magnifies a region of the image plane, providing a magnified image. A detector receives the magnified ima... | 02/05/2008 |
| 7312936 | Digital image-capturing device A digital image-capturing device includes an outer lens barrel, an image sensor disposed in the outer lens barrel, an inner lens barrel mounted in the outer lens barrel, and a lens module mounted in the inner lens barrel. The outer lens barrel has a barrel coupling ... | 12/25/2007 |
| 7303290 | Laser beam focusing arrangement and method A lightweight, compact image projection module, especially for mounting in a housing having a light-transmissive window, is operative for causing selected pixels in a raster pattern to be illuminated to produce an image of high resolution of VGA quality or higher in... | 12/04/2007 |
| RE39911 | Wide field of view projection lenses for compact projection lens systems employing pixelized panels A projection lens for use with LCD panels is provided. The lens has a first lens unit which includes a strong negative lens element having an aspherical surface which provides distortion correction, and a second lens unit which includes a first lens subunit separate... | 11/06/2007 |
| 7273287 | Optical device, projector and manufacturing method of the optical device An optical device body (440A) includes an electro-optic device (440B), a projection lens (445), and a supporting structure (446). The supporting structure (446) includes a supporting structure body (4461) attached on a base ... | 09/25/2007 |
| 7268935 | Projection system An apparatus includes a mirror array to form a projected image that includes pixels. The apparatus also includes a circuit to, for each pixel, control the mirror array to selectively combine reflected light from at least two mirrors of the array to regulate an inten... | 09/11/2007 |
| 7259923 | Lens barrel A lens barrel, including, a moving frame (2) to hold a lens (8), a direct-advance ring (4) provided on an outer periphery of the moving frame and movable relative to the moving frame in an optical direction, a resilient member (6) provide... | 08/21/2007 |
| 7258452 | Projection optical system and a projection type image display apparatus There is disclosed a projection optical system which is capable of moving a projected image within a predetermined region (effective projection region). The projection optical system, which projects an image of an object surface in the effective projection region of... | 08/21/2007 |
| 7182473 | Lens cover set A lens cover set, used with a lens disposed on an electronic product, includes a lens cover and a lens jacket. The lens cover is disposed on a housing of the electronic product and is used for containing the lens. The lens jacket is installed on the lens cover adjus... | 02/27/2007 |
| 7180557 | Liquid-crystal projector A projection unit comprises a light source unit and an image forming unit. The light source unit includes a light source section and an illuminating optical system which condenses the illuminating light and forms the illuminating light to approximately parallel rays... | 02/20/2007 |
| 7178924 | Projector having a lens cap and a string holding member attached to the lens cap A lens cap of a projector has a front portion covering a lens and a cylindrical side portion. The front portion has an opening to which a prescribed string holding member is attached. The string holding member is formed to have a pair of engaging portions, a string ... | 02/20/2007 |
| 7172292 | Projection lens unit and rear projection type image display system An inexpensive projection lens unit in a rear projection type image display system, having a short focal distance (wide angle of viewing field), high focus and high contrast, and as well, including a power lens made of a glass material having a high refractive index... | 02/06/2007 |
| 7145728 | Projection apparatus A projection apparatus including a light source which generates light beams, an optical projection system which projects the light beams generated by the light source onto a screen, and a reflection device which is positioned between the light source and the optical... | 12/05/2006 |
| 7134757 | Projection type display apparatus, rear projection, and multi-vision system The present invention provides a small projection type display apparatus capable of suppressing an optical path of incident light and an optical path of output light in a reflection type light valve from being overlapped with each other and obtaining a projected ima... | 11/14/2006 |
| 7126768 | Projection lens unit A projection lens unit includes a main body; a lens fixed to the main body; and a hood disposed to one end of the main body close to a screen. The hood defines the outermost boundary of a view angle stretching with respect to the center of the lens and includes a li... | 10/24/2006 |
| 7118229 | Illumination optical system and projector using the same The present invention provides a technique for readily changing the design of a projector. A projector comprises: an illumination optical system; a light modulation device; a projection optical system; and a base frame for mounting a plurality of optical components ... | 10/10/2006 |
| 7114814 | Projector having an illuminance detector The invention provides a projector having a light source, a display device to modulate light emitted from the light source, a lens device to project light emitted from the light source via the display device, wherein the lens device has a diaphragm mechanism formed ... | 10/03/2006 |
| 7086737 | Optical apparatus, and projector To provide an optical apparatus, and a projector which can avoid the mutual positional deviations of a plurality of optical modulation devices and can form a good optical image free from pixel deviations. An optical apparatus includes three optical modulation device... | 08/08/2006 |
| 7075622 | Projection lens and optical projector provided with the same A fixed-focus projection lens 2 comprises practically six lenses; a single lens having negative refracting power serving as a first lens 10, a single lens having positive refracting power serving as a second lens 20, a single lens having negativ... | 07/11/2006 |
| 7061699 | Projection lens, producing method of projection lens and projector having projection lens A projection lens (46) comprises: a cylindrical exterior case (621) having a lens-shifting through-hole (625) on a side thereof and an inner circumferential step or inner flange (623); a lens (610) of which outer periphery (611 | 06/13/2006 |
| 7055970 | Optical apparatus and projector Aspects of the invention can provide an optical apparatus having a supporting portion of an enclosure for optical components that is formed with a groove which is reduced in width in the opposite direction from the extending direction of the supporting portion, that... | 06/06/2006 |
| 7054073 | Lens device A lens holding barrel is fitted in a fixed barrel in a manner that the lens holding barrel is slidable in optical axis direction. A cam ring is rotatably fitted on outer periphery of the fixed lens. Front regulating members are formed on front end of the fixed barre... | 05/30/2006 |
| 7045936 | Projection coupler with contrast ribs An improved coupler with contrast ribs for use in a projection system. The coupler supports a projection lens in alignment with a projection optical signal generation device (e.g., a Cathode Ray Tube). The contrast ribs minimize contrast distortion that occurs in th... | 05/16/2006 |
| 7029132 | Projection type image display with adjustable lens holding structure Adjustment of the illumination range to a liquid crystal panel of a liquid crystal projector requires time in fixing upon adjustment and accordingly it is an object to make the adjustment effectively. In an adjustment mechanism of the illumination range of illuminat... | 04/18/2006 |
| 7014324 | Device for controlling projection lens shift in a projector A device for controlling the projection lens shift in a projector is provided, and includes a projection lens module which enlarges and projects an incident light on a screen, a sliding bracket which supports the projection lens module, a fixed bracket which slidabl... | 03/21/2006 |
| 7004589 | Liquid crystal projector A liquid crystal projector of three-color type has three liquid crystal elements for modulating three primary color light bundles into three color optical images respectively. A recombination prism combines modulated three color optical images, and a projection lens... | 02/28/2006 |
| 6999249 | Lens Disclosed is a lens, which has a convex surface, a concave surface and a flange that is formed around the lens to be projected in a radial direction perpendicular to an optical axis and to be continued from the convex surface. The flange is provided with a groove fo... | 02/14/2006 |
| 6982841 | Mirror holding mechanism in exposure apparatus, and device manufacturing method Disclosed is a mirror holding system by which aberration resulting from deformation or positional deviation of an optical member, causing degradation of imaging performance, can be reduced whereby a desired optical performance is assured. Also disclosed is an exposu... | 01/03/2006 |
| 6966658 | Projection type display apparatus rear projection and multi-vision system A small projection display apparatus which suppresses optical paths of incident and output light in a reflection valve from overlapping; and a rear projector and a multi-vision system using the same. The projection display apparatus includes an illumination optical ... | 11/22/2005 |
