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Browse by Category: Main > Optical & Optics
Class Information
Number: 359/236
Name: Optical: systems and elements > Light control by opaque element or medium movable in or through light path > With rotating or pivoting element (e.g., scanning discs) > Element rotates about axis perpendicular to light path
Description: Subject matter wherein the light controlling element is revolved about an axis substantially at right angles to the direction of the light rays.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8598502 Motionless focus evaluation test station for electro-optic (EO) sensors Dec. 3, 2013
8585215 Projector with light-shielding member and holding member having varied coefficient of thermal conductivity Nov. 19, 2013
8545785 Barium fluoroborate, nonlinear optical crystal of barium fluoroborate, preparation method and use thereof Oct. 1, 2013
8527226 Signal measurement apparatus and beam modulation apparatus used therein Sep. 3, 2013
8474987 Projector having light amount control based on projection system F-number Jul. 2, 2013
8446342 Projection system with multi-phased scanning trajectory May. 21, 2013
8405894 Light amount adjustment apparatus having plurality of plate-like light-shielding blade members and method of manufacturing the light-shielding blade members Mar. 26, 2013
8351022 Radiation beam modification apparatus and method Jan. 8, 2013
8331018 Optical system for merging a first and a second partial image beam, each proceeding from a specimen, into a resultant image beam Dec. 11, 2012
8254008 Blade drive device and optical device Aug. 28, 2012
8115982 Iris diaphragm device Feb. 14, 2012
7990587 Electronic endoscope having an apparatus for controlling a shading member Aug. 2, 2011
7773172 Line attenuation tunable optical filter Aug. 10, 2010
7751724 Optical modulator Jul. 6, 2010
7660045 Object lens and condenser Feb. 9, 2010
7626746 Shutter unit and laser processing device using same Dec. 1, 2009
7580171 Device for confocal illumination of a specimen Aug. 25, 2009
7495831 Optical device, display device, and three-dimension image display device for changing a polarization state of a light beam in time Feb. 24, 2009
7466468 Two-dimensional spatial radiation modulator Dec. 16, 2008
7457058 Optical element holder and projection exposure apparatus having the same Nov. 25, 2008
7338174 Shutter device and projection type video display Mar. 4, 2008
7330253 Method and apparatus for radiation analysis and encoder Feb. 12, 2008
7280735 Combined optical fiber wheel, beamsplitter, switch, and logic gate Oct. 9, 2007
7182470 Light amount control apparatus and projector apparatus using the same Feb. 27, 2007
7083303 Operating theater lamp having adjustable diaphragm Aug. 1, 2006
7059733 Display apparatus Jun. 13, 2006
7055966 Illuminator and projector Jun. 6, 2006
6999165 Method and apparatus for radiation analysis and encoder Feb. 14, 2006
6886944 Projector brightness enhancement using rectilinear apertures May. 3, 2005
6812979 Color-separating apparatus for liquid crystal projector of single panel type Nov. 2, 2004
6762833 Method and apparatus for spectrum analysis and encoder Jul. 13, 2004
6757090 Transmission mechanism Jun. 29, 2004
6714716 Variable optical attenuator Mar. 30, 2004
6700690 Tunable variable bandpass optical filter Mar. 2, 2004
6693561 System for and method of wide searching for targets in a marine environment Feb. 17, 2004
6646819 Interactive dynamic imaging Nov. 11, 2003
6580560 Laser light projector having beam diffuser and associated methods Jun. 17, 2003
6550939 Light beam shutter apparatus Apr. 22, 2003
6429446 Multiple infrared missile jammer Aug. 6, 2002
6420718 Modulated infrared source Jul. 16, 2002
6420719 Modulated infrared source Jul. 16, 2002
6420720 Countermeasure method Jul. 16, 2002
6388794 Method and apparatus for spectrum analysis and encoder May. 14, 2002
6374032 Variable optical attenuator Apr. 16, 2002
6280040 Optical apparatus Aug. 28, 2001
6215575 Low frequency optical shutter and driver Apr. 10, 2001
6140979 Scanned display with pinch, timing, and distortion correction Oct. 31, 2000
6046836 Low frequency optical shutter Apr. 4, 2000
6028691 Machine vision Feb. 22, 2000
6018424 Conformal window design with static and dynamic aberration correction Jan. 25, 2000

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