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| Number | Title | Issue Date |
| 7362506 | Ultra-bright light engine for projection displays A projector incorporating a prism and a plurality of light valves for modulating light that passes though the prism, wherein the color splitting-converging prism includes a dichroic coating having multiple layers of high and low index of refraction and ¼ wavelength... | 04/22/2008 |
| 7319216 | Light receiving unit and image taking apparatus A first prism 11a and a second prism 12a are joined together on a face-to-face basis. A dichroic mirror 13a is interposed into the junction plane to reflect only G-light. A first imaging device 111a receives th... | 01/15/2008 |
| 7274454 | Imaging system with programmable spectral switch An imaging apparatus has input optics for obtaining a multispectral image bearing light and a programmable spectral switching section. The programmable spectral switching section has a first lens for directing light toward a dichroic separator that separates the mul... | 09/25/2007 |
| 7267443 | Light-modulating projector Exemplary embodiments of the invention provide a projector that can readily correct for chromatic aberration caused by, for example, a projecting lens without having to give a cross dichroic prism, for example, a special preliminary process. Illumination-light compo... | 09/11/2007 |
| 7092026 | Optical carrier and housing arrangement for receiving a color splitter system and several image converters The invention relates to an optical carrier and housing arrangement to accommodate a color-separation system as well as several image converters, in particular CCD receivers, which is based on a preferably metallic housing block with a radiation entrance opening in ... | 08/15/2006 |
| 6940891 | High precision optical imaging systems and related systems This disclosure describes the design and construction of high-precision off-axis optical imaging systems. The disclosure also describes the design and construction of high-precision mounting structures for rigidly holding optical elements in an optical imaging syste... | 09/06/2005 |
| 6910777 | Projector To provide a compact projector in which a projection image is formed by using four kinds of color light so as to expand an expressible color gamut of the projection image and to achieve an excellent light utilization efficiency, a projector includes a light source, ... | 06/28/2005 |
| 6885403 | Color separation beam splitter for projectors A color separation beam splitter for projectors is provided, which comprises a plurality of prisms connected with each other and three optical interference filters having different wavelength ranges respectively formed on side surfaces of the plurality of prisms. Th... | 04/26/2005 |
| 6796657 | Projection type display apparatus A projection type display apparatus including an illumination optical system for emitting a light flux, a decomposition optical system for decomposing the light flux into color lights of red, green and blue, liquid crystal light valves for the colors for receiving t... | 09/28/2004 |
| 6629676 | Cable support with integral box-shaped mounting assembly A one-piece cable support including an integral box-shaped mounting assembly. The box-shaped mounting assembly extends over a cable tray portion of the cable support and includes several optional mounting apertures. Once secured to a building structure th... | 10/07/2003 |
| 5920347 | Optical color separation system utilizing dichroic mirrors An optical color separation system which separates light incident thereupon into at least two color components. The optical color separation system includes a plurality of dichroic mirrors that are arranged nonparallel to one another and along an optical ... | 07/06/1999 |
| 4933751 | Tri-color separating optical system To form three different color optical images in close vicinity to each other on the same image forming plane in a tri-color separating optical system, the optical system comprising a lens for focusing a subject optical image on a green optical image formi... | 06/12/1990 |
| 4806750 | Color imager utilizing novel trichromatic beamsplitter and photosensor The trichromatic beamsplitter consists of composited dichroic beamsplitter plates that separate a projected image into its three color components with spacial as well as spectral precision. The three linear array photosensor comprises a monolithic sensor ... | 02/21/1989 |
| 4654698 | Color sensor using dichroic mirrors to displace components Apparatus for producing a color image signal having first and second color components, comprises an image sensor having a regular array of image sensing elements with a regular array of first and second colored filter elements registered thereon for produ... | 03/31/1987 |
| 4369459 | Solid-state television camera A solid-state television camera wherein the generation of synchronous noise is eliminated and the reliability is improved is disclosed which comprises an image taking lens for photographing a subject; an optical member disposed along the optical axis of s... | 01/18/1983 |
| 4302769 | Trichromatic beam splitter An optics arrangement utilizing a trifurcating beam splitter is characterized by a first half-silvered element disposed at a 45° angle with respect to the axis of an incident light beam. Second and third half-silvered elements are each disposed perpendic... | 11/24/1981 |
| 4228458 | Optical color-separation system for use in a color television camera A color separation optical system for a color television camera of relay lens type in which a set of color separating optical elements are provided between a single first relay lens and three second relay lenses for three primary colors. The first relay l... | 10/14/1980 |
| 4185297 | Color separation optical system for color television camera In a color television camera, a color separation optical system includes a first relay lens behind a taking lens of the camera, color separation optical elements such as prism blocks or dichroic mirrors, and a set of second relay lenses. Image pick-up tub... | 01/22/1980 |
| 4084179 | Color television camera In a color television camera of a construction wherein a light beam is separated into a plurality of beams of necessary wavelength ranges by a color separating optical system and these beams are caused to impinge on the light receiving surfaces of respect... | 04/11/1978 |
| 4068261 | Image pickup devices and image pickup tubes utilized therein The image pickup device comprises an optical system including an objective lens, light beam spliters such as dichroic mirrors and filters, and image pickup tubes for converting incident light into an electric signal. There is provided at least one transpa... | 01/10/1978 |
