Class 348/785 - Adjustable

Subclass of Class 348 - Television
Definition: Subject matter comprising a structure for changing the spacing
No. of patents: 36
Last issue date: 03/04/2008

Number	Title	Issue Date
7339625	Optical and electrical blending of display images A method and a device for soft edge blending of projected display images (16a, 16b) is provided. The method combines optical and electrical soft edge blending in an blending area (26) by using electrical blending in one fraction (	03/04/2008
7329006	Projection system having low astigmatism Generally, the present invention relates to an apparatus for reducing astigmatism in a projection system that is particularly well suited to reducing astigmatism in LCD projection systems. A projection system includes a light source to generate light, conditioning o...	02/12/2008
7324290	Variable focus optic module and optic system A variable focus optic module is provided with a housing, a lens assembly, and a protrusion and recess system. The lens assembly is movably disposed in operable relationship with the housing. The protrusion and recess system includes at least one protrusion disposed...	01/29/2008
7304690	Optical engine of a projection television The present invention relates to an optical engine of a projection television in which a path of illumination emitted from a light source is aligned to correspond with the image producer by turning a screw of a mirror device. The object of the present invention can ...	12/04/2007
7274430	Optical arrangement and projection exposure system for microlithography with passive thermal compensation An optical arrangement with a light source includes an optical element that is fastened in a mount. The light source emits radiation and the optical element is acted on thereby such that the heat that results lacks symmetry corresponding to the shape of the optical ...	09/25/2007
7165848	Projection type video display A doughnut-shaped dust-proof plate is externally fitted in the body of the projection lens. The dust-proof plate comprises a first member which is flexible like rubber and a second member made of plastic which is uneasy to deform. The second member is made lower in ...	01/23/2007
7157844	Cathode ray tube provided with a faceplate having a convex outer surface and a lens assembly attached therein In a projection cathode ray tube device in which a projection cathode ray tube and a projection lens assembly are coupled and held by a coupler, superior focus characteristics and high resolution are realized by eliminating the deviation between the center of the ph...	01/02/2007
7072001	Multi-axis adjusting apparatus for a light engine in a projection system A multi-axis adjusting apparatus includes a base with an upper surface, and each side of a central line of the base has at least one slot; a sliding seat, which is set on the upper surface of the base, and each of two ends of an upper surface of the sliding seat has...	07/04/2006
6994438	Optical component casing, optical device and projector An optical component casing (40) that houses a plurality of optical components including a reflection mirror (424) and disposes the plurality of optical components on a planarly defined illumination optical axis (L1) has a holder (81) tha...	02/07/2006
6995927	Lens position adjustment mechanism and camera equipped with the mechanism An adjustment mechanism for adjusting an axial position of one lens component relative to other lens components of an optical lens system comprises a lens holding frame mounting the lens component that has a peripheral locating seat and a cylinder holding and allowi...	02/07/2006
6967632	Multi-monitor, auxiliary monitor, and monitor supporter A multi-monitor is provided with a first display device having a display screen and a second display device having a display screen smaller than the display screen of the first display device, and a supporting mechanism which is mountable on an outside portion of th...	11/22/2005
6956551	Device for displaying images by projection, comprising dichroic filters with a gradient Device comprising: matrices of reflecting elements which can be electrically driven, and means for deconstructing a beam of polychromatic light and means for reconstructing complementary reflected beams, comprising...	10/18/2005
6922216	Mechanical system for adjusting image centering and rotation in projection television apparatus First (3), second (5) and third (7) eccentric cams, positioned in substantially the same plane, mate with corresponding first (9), second (11) and third (13) slots in a bracket (1). Rotation of the first cam (3...	07/26/2005
6833880	Bracket for CRT An enclosure for a projection television set is provided that includes an upper compartment to house a mirror and a screen, and a lower compartment attached to the upper compartment. The lower compartment preferably includes a front panel, a rear panel, and a plural...	12/21/2004
6570623	Optical blending for multi-projector display wall systems A multi-projector video wall system employs a blending frame to blend the overlapping portions of two adjacent images I1 and I2. The blending frame is preferably located a distance Dframe from the aperture of the projector...	05/27/2003
6377319	CRT mounting bracket for projection television sets A projection television set having a screen and three projection units each capable of projecting a monochromatic image onto the screen. The projection units each having a cathode ray tube (CRT) optically coupled to a projection lens, which includes both ...	04/23/2002
6377306	Method and apparatus for providing a seamless tiled display A display for producing a seamless composite image from at least two discrete images. The display includes one or more projectors for projecting each of the discrete images separately onto a screen such that at least one of the discrete images overlaps at...	04/23/2002
5812215	Projector display unit In a projecting unit of a projector, a projecting tube is sealingly attached to a projecting tube frame by means of a packing member, a projecting lens is sealingly attached to a projecting lens frame by means of a packing member, and an image on the proj...	09/22/1998
5764312	Projector apparatus A projector apparatus which assures easier fine and rough adjustment of a swing and tilt angle, includes inclination rings which are formed symmetrically with respect to the center line of the aperture and is provided with at least two or more continuous ...	06/09/1998
5742358	Projection type displaying apparatus having screen A projection type displaying apparatus with a movable built-in screen has an image display, an image projector and a position detector for detecting a position where the built-in screen is installed. When the position detector determines that the built-in...	04/21/1998
5585867	Projection tube and its application in a video projection system A projection tube featuring good accuracy in controlling a slant angle between a cathode ray tube and a projection lens, an excellent focusing performance, and further low production cost, and also a video projection systems which utilizes the foregoing p...	12/17/1996
5506629	Projecting-type display apparatus Projecting-type display apparatus, wherein an image forming means frame is supported in such a manner as to be rotatable within a first plane perpendicular to an optical axis of a projection lens, and within a second plane including the optical axis and p...	04/09/1996
5422692	Image projection system An image projection system for projecting an image obtained on an image field onto a screen through a projection lens comprises a plurality of spacers overlaid with each other and arranged between the image field and the lens, each of the spacers having f...	06/06/1995
5381189	Projector in a projection television A liquid cooling type projector is provided with greater flexibility to meet different screen sizes of a projection television and, thus, contributes to the reduction of production cost. The projector has a cylindrical frame containing a projection lens u...	01/10/1995
5363148	CRT display set and optical device having means for accurately positioning the CRT The disclosure relates to display sets wherein the image produced by a cathode-ray tube is displayed on a display screen by means of an optical device. It relates more particularly to means for facilitating the relative positioning between the cathode-ray...	11/08/1994
5089896	Color deviation prevention device in projection display with minimized white chromaticity deviation A projection display of the type which projects the respective images emitted from a plurality of tubes on a rectangular screen through lenses arranged correspondingly to the projection tubes, thereby to compose the images by overlapping, wherein the lens...	02/18/1992
5045930	Optical system for a three-tube projection television set A three-tube color projection television. The outside projection optics are arranged so that a single part can be produced for use in projection televisions of diverse screen size. An image surface correcting lens is at a fixed angle with respect to the f...	09/03/1991
4606628	Video projector lens angulation mechanism A video projector lens angulation mechanism for use with a video projector and a projection lens is provided. The mechanism includes a support for providing both horizontal and vertical rotation of the lens relative the projector and provides an adjustmen...	08/19/1986
4525745	Temperature compensation for TV projection lens and CRT assembly Projection TV systems comprise plactic lens and CRT assemblies arranged to project an image onto a screen for viewing. The focus of the lens varies with ambient temperature around the lens as the temperature increases from turn-on of the projection TV sys...	06/25/1985
4473840	Optical focus adjustment means for projection television apparatus A projection television apparatus having three monochromatic cathode-ray tubes, a mirror block and a lens. The three cathode-ray tubes which display red, green and blue images, respectively are placed to form the letter "T" with their faceplates facing ea...	09/25/1984
4404588	CRT Holding assembly for projection television To hold three CRTs in proper optical alignment in a projection television system, each of three pods holds one CRT. Each pod includes a cylindrical housing for holding the front piece of a CRT, and a back cover which holds the CRT inside the housing. Pref...	09/13/1983
4386372	Optical mirror adjustment means for a projection television receiver Optical mirror adjustment means are disclosed for use in a projection television system having a rear projection viewing screen. The means according to the invention provide for adjusting the reflecting angles of a mirror reflecting an aerial image of a p...	05/31/1983
4293878	Image projector for a television receiver For a television receiver, an image projection device comprising a housing having a front wall with openings and an opening fitting over the television receiver screen. The housing includes an underside having support means for setting the angle of projec...	10/06/1981
4231067	Television image projection apparatus Apparatus for supporting a television receiver housing and projecting an image from the face of the picture tube to a remote, reflective screen having dimensions significantly larger than the picture tube. The apparatus includes a base providing an inclin...	10/28/1980
4051535	Magnification of television images A compact, economical system for magnifying a television image. A fresnel lens of focal length up to 10 inches projects an image from a television image source onto a rear projection screen. Lens aberrations and light quality are controlled by an opaque e...	09/27/1977
3969648	Projection television tube system A color projection television receiver and projector having three color tubes mounted in fixed relation and in predetermined location relative to a screen for projecting three color pictures in registration thereon. Accurate registration of the pictures r...	07/13/1976

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Class 348/785 - Adjustable