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Class Information
Number: 359/221.2
Name: Optical: systems and elements >
Description:










Sub-classes under this class:

Class Number Class Name Patents
359/1 Holographic system or element 457
359/107 Optical computing without diffraction 210
359/196 Deflection using a moving element or medium (offsetting or changing at least a portion of the beam) 486
359/227 Light control by opaque element or medium movable in or through light path 210
359/237 Optical modulator 697
359/325 Optical demodulator 98
359/326 Optical frequency converter 949
359/333 Optical amplifier 523
359/350 Having significant infrared or ultraviolet property 594
359/362 Compound lens system 183
359/436 Scale or indicia reading 44
359/443 Projection screen 527
359/462 Stereoscopic 591
359/478 Relief illusion 122
359/480 Binocular devices 105
359/483 Polarization without modulation 258
359/503 Extended spacing structure for optical elements 91
359/507 Protection from moisture or foreign particle 307
359/515 Signal reflector 143
359/554 Image stabilization 348
359/558 Diffraction 338
359/577 Light interference 291
359/591 Building interior illumination with reflected, refracted or predetermined angle of entrance of outside light 114
359/599 Diffusing of incident light 694
359/600 Barrel end eye guard (e.g., shield or cushion, etc.) 69
359/601 Glare or unwanted light reduction 639
359/615 Light dispersion 194
359/616 Kaleidoscope 77
359/618 Single channel simultaneously to or from plural channels (e.g., light dividing, combining, or plural image forming, etc.) 941
359/641 Collimating of light beam 388
359/642 Lens 673
359/831 Prism (including mount) 422
359/838 Mirror 352
359/885 Absorption filter 593
359/893 Screen (e.g., halftone screen, etc.) 63
359/894 Optical aperture or tube, or transparent closure 344
359/896 Miscellaneous 270
359/900 Methods 2,050
359/901 Acoustic holography 22
359/902 Holographic interferometer 16
359/903 With magnet 31


Patents under this class:

Patent Number Title Of Patent Date Issued
8711459 Micromechanical component, device for beam deflection of monochromatic light, and spectrometer Apr. 29, 2014
8705159 Microelectromechanical system with a center of mass balanced by a mirror substrate Apr. 22, 2014
8681408 Optical scanning device, image forming apparatus, and image projection device Mar. 25, 2014
8681409 Nonvolatile nano-electromechanical system device Mar. 25, 2014
8654423 Low cost long-life compact low wobble wide scan angle taut-band resonant scanners with matched coefficients of thermal expansion and interchangeable mirrors Feb. 18, 2014
8654427 Ruggedized two-axis optical beam steering device Feb. 18, 2014
8570632 Microactuator, optical device and exposure apparatus, and device manufacturing method Oct. 29, 2013
8570629 Reciprocating laser scanning device Oct. 29, 2013
8534852 Mirror unit of exposure device and image forming apparatus using mirror unit Sep. 17, 2013
8520279 Micro movable device and interferometer Aug. 27, 2013
8508808 Optical scanning and image forming apparatus with a free-sliding unit for thermal expansion Aug. 13, 2013
8498037 Dynamic redirection of a laser beam Jul. 30, 2013
8446655 Actuation system for mobile elements with dynamically compensated and opposite relative motions May. 21, 2013
8400697 Scanner apparatus having electromagnetic radiation devices coupled to MEMS actuators Mar. 19, 2013
8395834 Deflecting mirror for deflecting and scanning light beam Mar. 12, 2013
8390911 Micro movable element array and a communication apparatus Mar. 5, 2013
8384975 Micromechanical assembly having a displaceable component Feb. 26, 2013
8362673 Micro-image acquisition and transmission system Jan. 29, 2013
8358457 Miniature rotating transmissive optical drum scanner Jan. 22, 2013
8345336 MEMS scanning micromirror with reduced dynamic deformation Jan. 1, 2013
8335029 Micromirror arrays having self aligned features Dec. 18, 2012
8331003 Optical deflector and method of manufacturing the same Dec. 11, 2012
8320035 Micro-movable device Nov. 27, 2012
8274723 Piezoelectric transducer element, actuator, sensor, optical scanning device, and optical scanning display device Sep. 25, 2012
8254004 Oscillator and optical deflector having oscillator Aug. 28, 2012
8223409 Optical device, image reading apparatus and adjusting method for optical device Jul. 17, 2012
8218215 Transducer-mirror structure Jul. 10, 2012
8213069 Compensating for voice coil thermal expansion in a microarray scanner Jul. 3, 2012
8203775 MEMS bistable optical switch and methods for use thereof Jun. 19, 2012
8169678 Micro-mirror actuator having encapsulation capability and method for the production thereof May. 1, 2012
8134766 Optical scanning device and image forming apparatus Mar. 13, 2012
8125701 Optical switch Feb. 28, 2012
8111285 Stereoscopic display apparatus and display method Feb. 7, 2012
8107146 Three-dimensional space scanner Jan. 31, 2012
8094350 Laser processing apparatus Jan. 10, 2012
7965931 System and method for correcting light pathway by driving curved prism composed of refraction surface Jun. 21, 2011
7952780 Microactuator, optical device and exposure apparatus, and device manufacturing method May. 31, 2011
7916373 Tapered reinforcing struts for micromachined structures Mar. 29, 2011
7911670 Fluorescence-based scanning imaging device Mar. 22, 2011
7903313 Micro movable element Mar. 8, 2011
7866836 Fresnel solar concentrator array with centered universal pivots Jan. 11, 2011
7830575 Optical scanner with improved scan time Nov. 9, 2010
7830577 Micromechanical device with adjustable resonant frequency by geometry alteration and method for operating same Nov. 9, 2010
7810932 Display device and method thereof Oct. 12, 2010
7760410 Mirror support device and optical scanning apparatus adopting the same Jul. 20, 2010
7738159 Deformable mirror system and deformable mirror drive device Jun. 15, 2010
7692838 Nanolaminate deformable mirrors Apr. 6, 2010
7663791 Rotary wedge scanner Feb. 16, 2010
7646520 Optical element holder, light scanning unit, and image forming apparatus with accommodation for heat-related dimensional changes of optical element Jan. 12, 2010
7593149 Optical scanning unit having more maintenance-friendly adjustable lens having a support member with first and second faces, an adjusting member and moving member opposite the adjusting member, Sep. 22, 2009











 
 
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