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Class Information
Number: 359/889
Name: Optical: systems and elements > Absorption filter > Movable in or out of optical path
Description: Subject matter wherein one or more filters may be selectively moved into and out of an optical path.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7586703 |
Sequential colour illumination system, method for producing a colour wheel for said system and a colour segment device |
Sep. 8, 2009 |
| 7557992 |
Multi-mode color filter |
Jul. 7, 2009 |
| 7508577 |
Method and system for suppressing ASE noise |
Mar. 24, 2009 |
| 7477314 |
Exposure control method and apparatus for an image pickup apparatus |
Jan. 13, 2009 |
| 7457063 |
Color wheel and color filter assembly thereof |
Nov. 25, 2008 |
| 7436449 |
Electronic imaging system |
Oct. 14, 2008 |
| 7428051 |
Device for the IR-spectrometric analysis of a solid, liquid or gaseous medium |
Sep. 23, 2008 |
| 7399087 |
Segment type color wheel and manufacturing method of same |
Jul. 15, 2008 |
| 7303287 |
Compensation of light source intensity pulse in scrolling colour type projection system |
Dec. 4, 2007 |
| 7295391 |
ND filter for aperture device and aperture device comprising ND filter |
Nov. 13, 2007 |
| 7295392 |
Color wheel with aligned segments |
Nov. 13, 2007 |
| 7268961 |
Color wheel, and method and jig for producing same |
Sep. 11, 2007 |
| 7253977 |
Monolithic color wheel and process for fabrication of the same |
Aug. 7, 2007 |
| 7233450 |
Reflective color wheel |
Jun. 19, 2007 |
| 7230779 |
ND filter and aperture diaphragm apparatus |
Jun. 12, 2007 |
| 7218464 |
Aligning-assembling method for color wheel |
May. 15, 2007 |
| 7212359 |
Color rendering of illumination light in display systems |
May. 1, 2007 |
| 7209303 |
Method for balancing color wheel and structure thereof |
Apr. 24, 2007 |
| 7199952 |
Color wheel, and color wheel assembly incorporating same |
Apr. 3, 2007 |
| 7190536 |
Color filter disc and process of making the same |
Mar. 13, 2007 |
| 7158323 |
Apparatus for switching optical low pass filters for use in optical instrument |
Jan. 2, 2007 |
| 7113353 |
Method of fixing color wheel to motor |
Sep. 26, 2006 |
| 7092490 |
Filter system for radiological imaging |
Aug. 15, 2006 |
| 7052146 |
Replaceable color wheel |
May. 30, 2006 |
| 7038867 |
Filter for display system |
May. 2, 2006 |
| 7027238 |
Method and apparatus for color-neutral brightness regulating of a light source |
Apr. 11, 2006 |
| 7016129 |
Optical filter, method of making optical filter, light amount adjusting apparatus and optical equipment |
Mar. 21, 2006 |
| 6971751 |
Projecting device with adjustable color temperature |
Dec. 6, 2005 |
| 6952314 |
Method of manufacturing ND filter, and aperture device and camera having ND filter |
Oct. 4, 2005 |
| 6936805 |
Device and method for fixing an optical wavelength in a wavelength division multiplexing system |
Aug. 30, 2005 |
| 6920000 |
Filter for a display system |
Jul. 19, 2005 |
| 6896376 |
Color wheel and motor for the same |
May. 24, 2005 |
| 6891686 |
Medium for a color changer |
May. 10, 2005 |
| 6874892 |
Color setting monitoring system for a digital projector |
Apr. 5, 2005 |
| 6866431 |
Light amount adjustment apparatus, manufacturing method, and photographing apparatus |
Mar. 15, 2005 |
| 6851811 |
Projector including a relay optical system |
Feb. 8, 2005 |
| 6813087 |
Multi-mode color filter |
Nov. 2, 2004 |
| 6788479 |
Tuneable optical filter |
Sep. 7, 2004 |
| 6771315 |
Image pickup apparatus |
Aug. 3, 2004 |
| 6769777 |
Multi-aperture optical dimming system |
Aug. 3, 2004 |
| 6715887 |
Color wheel module for image display device |
Apr. 6, 2004 |
| 6705733 |
Color wheel and washer thereof |
Mar. 16, 2004 |
| 6700690 |
Tunable variable bandpass optical filter |
Mar. 2, 2004 |
| 6687063 |
Optical system for creating colored fields of light and components therefor |
Feb. 3, 2004 |
| 6618213 |
Rotary optical filter apparatus integrated with cooling fan and illumination optical system |
Sep. 9, 2003 |
| 6614606 |
Methods and apparatus for providing color images from monochromatic night vision and other electro-optical viewing devices |
Sep. 2, 2003 |
| 6604830 |
Color wheel |
Aug. 12, 2003 |
| 6594081 |
Actuator mechanism for tuning an optical device |
Jul. 15, 2003 |
| 6578987 |
Intra-lens color and dimming apparatus |
Jun. 17, 2003 |
| 6567225 |
Spectrum filter wheel |
May. 20, 2003 |
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