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Class Information
Number: 348/338
Name: Television > Camera, system and detail > Optics > Color separating optics > Prism arrangement > With dichroic layer or air gap between prism sections
Description: Subject matter wherein the color separation is obtained at the intersection between refractive optical elements by the optical effect of an air gap or a layer of material having a property of passing different colors by selectively reflecting or transmitting particular wavelengths of a light beam incident thereon.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7612822 |
Multispectral image capturing apparatus |
Nov. 3, 2009 |
| 7575325 |
Image displaying apparatus and color separating-combining optical system |
Aug. 18, 2009 |
| 7553025 |
Projection type image display apparatus, and optical unit and polarization splitting unit each used for the apparatus |
Jun. 30, 2009 |
| 7515194 |
Image pickup optical system and optical apparatus using the same |
Apr. 7, 2009 |
| 7411734 |
Color-splitting optical element and an optical system utilizing the color-splitting optical element |
Aug. 12, 2008 |
| 7400452 |
Method and apparatus for internal frames to improve performance and manufacturability of optical devices including liquid crystal on silicon (LCOS) based kernels |
Jul. 15, 2008 |
| 7271961 |
Cross dichroic prism and projection display apparatus equipped with cross dichroic prism |
Sep. 18, 2007 |
| 7267443 |
Light-modulating projector |
Sep. 11, 2007 |
| 7137705 |
Optical device with optical modulator fixation-enhancing structure and projector |
Nov. 21, 2006 |
| 6956551 |
Device for displaying images by projection, comprising dichroic filters with a gradient |
Oct. 18, 2005 |
| 6923545 |
Method for manufacturing color combining optical system, apparatus for manufacturing color combining optical system and method for manufacturing projector |
Aug. 2, 2005 |
| 6909556 |
Design of prism assemblies and kernel configurations for use in projection systems |
Jun. 21, 2005 |
| RE38740 |
Dichroic prism and projection display apparatus |
Jun. 7, 2005 |
| 6903774 |
Viewfinder device including first and second prisms to reflect light from outside the viewing area |
Jun. 7, 2005 |
| 6671101 |
Color combining optical element, color separation optical element, and projection type display apparatus using them |
Dec. 30, 2003 |
| 6667656 |
Color separating optical system |
Dec. 23, 2003 |
| 6549338 |
Bandpass filter to reduce thermal impact of dichroic light shift |
Apr. 15, 2003 |
| 6542193 |
Optical system for TV camera with still-taking function |
Apr. 1, 2003 |
| 6342980 |
Beam splitting prism system |
Jan. 29, 2002 |
| 6330113 |
Color separation prism with adjustable path lengths |
Dec. 11, 2001 |
| 6144498 |
Color separation prism assembly and method for making same |
Nov. 7, 2000 |
| 5777674 |
Four color separation optical device |
Jul. 7, 1998 |
| 5760832 |
Multiple imager with shutter control |
Jun. 2, 1998 |
| 5726709 |
Imaging apparatus including offset pixels for generating vertical high frequency component |
Mar. 10, 1998 |
| 5640206 |
Imaging apparatus including offset pixels for generating vertical high frequency component |
Jun. 17, 1997 |
| 5313288 |
Recording medium and recording/reproduction apparatus thereof |
May. 17, 1994 |
| 5251068 |
Objective lens having a filter |
Oct. 5, 1993 |
| 5124547 |
Color separation apparatus for reducing lag in photosensors using color auxiliary light biasing |
Jun. 23, 1992 |
| 5042913 |
Electrical signal forming apparatus having image splitting prism |
Aug. 27, 1991 |
| 5014121 |
High image resolution image pickup system with color dispersion means |
May. 7, 1991 |
| 5002365 |
Beam splitter for color imaging apparatus |
Mar. 26, 1991 |
| 4913528 |
Optical prism, and projection television set using same |
Apr. 3, 1990 |
| 4873569 |
Image reader having spectroscope for color separation |
Oct. 10, 1989 |
| 4857997 |
Color television camera incorporating a color resolving prism system |
Aug. 15, 1989 |
| 4831452 |
Image pickup device having a photoconductive optical modulator element |
May. 16, 1989 |
| 4687301 |
Full-color projector system with a tricolor-separating prism |
Aug. 18, 1987 |
| 4622580 |
Solid-state imager chip mounting |
Nov. 11, 1986 |
| 4589015 |
Color television camera with bias light device featuring reduced color shading |
May. 13, 1986 |
| 4586076 |
Scanner optics for containing scattered light |
Apr. 29, 1986 |
| 4555163 |
Complementary color splitting filters used in a color camera |
Nov. 26, 1985 |
| 4425577 |
Television camera equipped with a color-separating arrangement disposed behind the objective |
Jan. 10, 1984 |
| 4268119 |
Color-separating optical system |
May. 19, 1981 |
| 4263613 |
Television camera |
Apr. 21, 1981 |
| 4262305 |
TV Camera |
Apr. 14, 1981 |
| RE30513 |
Color splitting prism assembly |
Feb. 10, 1981 |
| 4236177 |
Beam splitting prism assembly with bias light source |
Nov. 25, 1980 |
| 4171869 |
Color separation prism system for color television camera |
Oct. 23, 1979 |
| 4161349 |
Beam separating prism system |
Jul. 17, 1979 |
| 4085419 |
Color television camera |
Apr. 18, 1978 |
| 4084180 |
Color splitting prism assembly |
Apr. 11, 1978 |
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