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Class Information
Number: 250/235
Name: Radiant energy > Photocells; circuits and apparatus > Optical or pre-photocell system > Means for moving optical system > Repetitious path
Description: Subject matter having means for cyclically moving an element of the optical system in a repetitious path.










Sub-classes under this class:

Class Number Class Name Patents
250/236 Rotary motion 458


Patents under this class:
1 2 3 4 5 6 7 8 9 10

Patent Number Title Of Patent Date Issued
8558206 Flexible reading device for traceability of products Oct. 15, 2013
8519324 Laser projector for projecting and displaying an image based on the raster scanning of a laser beam Aug. 27, 2013
8482817 Image reading apparatus and method for controlling the same Jul. 9, 2013
8451511 Method and device for optically scanning an object and device May. 28, 2013
8379282 Light scanning unit and method of detecting scanning synchronization signal Feb. 19, 2013
8353061 Near-field scanning optical microscopy with nanoscale resolution from microscale probes Jan. 8, 2013
8319174 Scanned writing of an exposure pattern on a substrate having a spot size modulator and dual motor for moving the substrate table and a laser spot relative to each other Nov. 27, 2012
8237103 Mechanical galvanometer tilt correction control Aug. 7, 2012
8117010 Spectral signal detection system Feb. 14, 2012
RE42774 Single step multi-section exposure scanning method Oct. 4, 2011
8022347 Optical scanning device, image forming apparatus, and optical scanning method having a plurality of light intensity control devices with a switching unit Sep. 20, 2011
8023162 Hexagonal site line scanning method and system Sep. 20, 2011
7995260 Light scanning device and image forming apparatus Aug. 9, 2011
7956319 Deformable mirror device with oscillating states for providing smaller controllable adjustment of light intensity Jun. 7, 2011
7956318 Optical scanning device and optical scanning method having a light deflector, separation optical system and light beam detecting device Jun. 7, 2011
7943896 Mechanical galvanometer tilt correction control May. 17, 2011
7928357 High speed scanning platform for microarray scanner Apr. 19, 2011
7889341 Multiphoton-excitation laser scanning microscope Feb. 15, 2011
RE42033 Single step multi-section exposure scanning method Jan. 18, 2011
7859687 Detection apparatus and toner detection apparatus using the same Dec. 28, 2010
7838818 Light-stimulus illumination apparatus which scans light-stimulus laser light in a direction intersecting an optical axis Nov. 23, 2010
7798955 Image generating device for generating a fluorescence image Sep. 21, 2010
7773281 Beam irradiation apparatus Aug. 10, 2010
RE41375 Resonant beam scanner with raster pinch compensation Jun. 15, 2010
RE41374 Frequency tunable resonant scanner and method of making Jun. 15, 2010
7692138 Integrated scanning probe microscope and confocal microscope Apr. 6, 2010
7619795 Optical scanning device, optical scanning method, and image forming apparatus Nov. 17, 2009
7618465 Near-field antenna Nov. 17, 2009
7612330 Optical scanning probe, optical scanning probe device and method for controlling the optical scanning probe Nov. 3, 2009
7604922 Process of surface treatment, surface treating device, surface treated plate, and electro-optic device, and electronic equipment Oct. 20, 2009
7594965 Beam homogenizer and laser irradiation apparatus and method of manufacturing semiconductor device Sep. 29, 2009
7589316 Scanning beam imaging with adjustable detector sensitivity or gain Sep. 15, 2009
7586086 Scanning imaging device for image-substraction confocal microscopy Sep. 8, 2009
7583417 Bi-directional scanning and imaging with scanning compensation Sep. 1, 2009
7576315 Scanning type image display apparatus having a synchronization control circuit and a light transmitting area on the last surface of a scanning optical system Aug. 18, 2009
7557976 Light scanning apparatus and method to prevent damage to an oscillation mirror, reducing its amplitude, in an abnormal control condition via a detection signal outputted to a controller even t Jul. 7, 2009
7557341 Optical system and projector utilizing the same Jul. 7, 2009
7528364 Optical beam steering and sampling apparatus and method May. 5, 2009
7514680 Apparatus for modifying and measuring diamond and other workpiece surfaces with nanoscale precision Apr. 7, 2009
7502538 System to monitor a structure within an outer casing of a gas turbine engine Mar. 10, 2009
7495208 Portable optical wound scanner Feb. 24, 2009
7487069 Method for generating a control output for a position control loop Feb. 3, 2009
7476847 Adaptive image reading apparatus and control method of the apparatus Jan. 13, 2009
7476846 Radar device and MEMS mirror device therefor Jan. 13, 2009
7473888 Display with compensated light source drive Jan. 6, 2009
7473920 Measuring device and method for verifying the cut quality of a sheet using image scanning Jan. 6, 2009
7469191 Jitter measurement method, jitter measuring apparatus and image forming apparatus Dec. 23, 2008
7468508 System for and method of projecting an image and adjusting a data frequency of a video signal during image projection Dec. 23, 2008
7468507 Optical spot grid array scanning system Dec. 23, 2008
7468506 Spot grid array scanning system Dec. 23, 2008

1 2 3 4 5 6 7 8 9 10










 
 
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