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Browse by Category: Main > Optical & Optics
Class Information
Number: 359/227
Name: Optical: systems and elements > Light control by opaque element or medium movable in or through light path
Description: Subject matter comprising the control of the amount of light transmitted through an area defined by an optical beam via an element or material, which is either completely opaque or opaque only in certain portions whereas the other portions are transparent, by (1) selectively intercepting the light path by the element or (2) changing the orientation of the element within the light path.










Sub-classes under this class:

Class Number Class Name Patents
359/230 Electro-mechanical 284
359/228 Fluid 151
359/232 Slit type 64
359/229 With glare or flicker elimination 18
359/233 With relative motion of two apertured elements 100
359/234 With rotating or pivoting element (e.g., scanning discs) 160


Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8711461 Aperture stop Apr. 29, 2014
8687256 Lens barrier device and lens barrel equipped with the same Apr. 1, 2014
8599461 Layered dimmer system Dec. 3, 2013
8599462 Display device Dec. 3, 2013
8564762 Photolithography exposure apparatus having blinding plates and method of driving the same Oct. 22, 2013
8553309 Blade speed adjustable mechanism and focal plane shutter having the same Oct. 8, 2013
8545555 Electronically controlled focusing ophthalmic device Oct. 1, 2013
8542424 Black coating film and production method therefor, black light shading plate, and diaphragm, diaphragm device for light intensity adjustment, shutter using the same, and heat resistant light s Sep. 24, 2013
8451527 Limited F-cone light source May. 28, 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
8376589 Layered dimmer system Feb. 19, 2013
8289605 Layered dimmer system Oct. 16, 2012
8279510 Dual view display Oct. 2, 2012
8274725 Limited F-cone light source Sep. 25, 2012
8233210 Illumination aperture for optical lithography Jul. 31, 2012
8184354 Light-amount adjusting apparatus, optical apparatus, and method for manufacturing the light-amount adjusting apparatus May. 22, 2012
8169685 Thermally switched absorptive window shutter May. 1, 2012
8167508 Light amount adjusting device and image capture apparatus May. 1, 2012
8081367 Layered dimmer system Dec. 20, 2011
8072672 Thermally switched reflective optical shutter Dec. 6, 2011
8014052 System and method for illumination attenuation Sep. 6, 2011
7999987 Electro-optical display device and electronic device Aug. 16, 2011
7982938 Optical mask, and light source device Jul. 19, 2011
7973992 Imaging device for avoidance of an obstacle or an optical phenomenon which distorts quality of image Jul. 5, 2011
7944608 Microscope May. 17, 2011
7920314 Variable opacity or translucency of a through-vision panel Apr. 5, 2011
7907321 Light-amount adjusting apparatus, optical apparatus, and method for manufacturing the light-amount adjusting apparatus Mar. 15, 2011
7901086 Optical unit, light processing unit, light processing method, illumination unit and image generation unit Mar. 8, 2011
7835057 Method of calibrating light delivery systems, light delivery systems and radiometer for use therewith Nov. 16, 2010
7796316 Micro-optic shutter Sep. 14, 2010
7763314 Forming an electrowetting module having a hydrophilic grid Jul. 27, 2010
7763872 High power EUV lamp system Jul. 27, 2010
7760411 System and method for illumination attenuation Jul. 20, 2010
7755829 Thermally switched reflective optical shutter Jul. 13, 2010
7747127 Optical member and method of producing the same Jun. 29, 2010
7746037 Power supply for an electric window dimming device Jun. 29, 2010
7745721 Optical element for shielding against light Jun. 29, 2010
7742125 Light switch having plural shutters Jun. 22, 2010
7724412 Variable aperture and actuator assemblies for an imaging system May. 25, 2010
7719741 Input device May. 18, 2010
7709815 Lithography system and projection method May. 4, 2010
7699546 Light amount adjusting device and image capture apparatus Apr. 20, 2010
7660045 Object lens and condenser Feb. 9, 2010
7599106 Optical mask and MOPA laser apparatus including the same Oct. 6, 2009
7545548 Modifiable assembly of microscopic apertures Jun. 9, 2009
7485849 Light sensor protection and method for protecting a light sensor with laser radiation attenuating gas Feb. 3, 2009
7477435 Projector Jan. 13, 2009
7471435 Apodization technique for enhanced resolution of images Dec. 30, 2008
7440156 Integrated fiber optical attenuator with monotonic attenuation Oct. 21, 2008
7440205 Variable intensity dimmer Oct. 21, 2008

1 2 3 4 5










 
 
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