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Class Information
Number: 250/236
Name: Radiant energy > Photocells; circuits and apparatus > Optical or pre-photocell system > Means for moving optical system > Repetitious path > Rotary motion
Description: Subject matter in which the element of the optical system, which moves in a cyclic path, rotates.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8669507 Laser scanning device Mar. 11, 2014
8321167 Surveying instrument and surveying compensation method Nov. 27, 2012
8285791 Method and apparatus for sharing information using a handheld device Oct. 9, 2012
8237103 Mechanical galvanometer tilt correction control Aug. 7, 2012
8149473 Image reading apparatus Apr. 3, 2012
8144312 Telescope with a wide field of view internal optical scanner Mar. 27, 2012
8072667 Optical scanning device and image forming apparatus Dec. 6, 2011
8056810 Methods and apparatus for generating and decoding scan patterns using multiple laser sources Nov. 15, 2011
8031386 Galvano motor and galvano motor system Oct. 4, 2011
7997739 Optical beam scanning device, image forming apparatus Aug. 16, 2011
7943896 Mechanical galvanometer tilt correction control May. 17, 2011
7858923 Light beam scanning apparatus and image forming apparatus provided with the same Dec. 28, 2010
7856474 Method and apparatus for identifying documents using a handheld device Dec. 21, 2010
7766491 Optical beam scanning device, image forming apparatus Aug. 3, 2010
7756323 Three-dimensional video scanner Jul. 13, 2010
7719739 Light scanning apparatus, method of controlling the same and image forming apparatus equipped with the same May. 18, 2010
7710625 Light scanning apparatus that stops driving oscillation mirror when change of amplitude of oscillation mirror exceeds predetermine value May. 4, 2010
7688479 Compensation apparatus for image scan Mar. 30, 2010
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
7541565 Tracking a moving object from a camera on a moving platform Jun. 2, 2009
7538315 Image forming apparatus and control method therefor May. 26, 2009
7528364 Optical beam steering and sampling apparatus and method May. 5, 2009
7522318 Scanner optical module Apr. 21, 2009
7511869 Optical scanning device Mar. 31, 2009
7487069 Method for generating a control output for a position control loop Feb. 3, 2009
7476846 Radar device and MEMS mirror device therefor Jan. 13, 2009
7460250 Laser triangulation system Dec. 2, 2008
7436564 Light scanning apparatus and method to prevent damage to an oscillation mirror in an abnormal control condition via a detection signal outputted to a controller even though the source still em Oct. 14, 2008
7433448 Method for the production of a corrected x-ray image data set Oct. 7, 2008
7421308 Digital control servo system Sep. 2, 2008
7414239 Optical-scanning apparatus and image forming apparatus Aug. 19, 2008
7392287 Method and apparatus for sharing information using a handheld device Jun. 24, 2008
7385181 Optical scanning device and image forming device Jun. 10, 2008
7351950 Optical beam scanning device and image forming apparatus Apr. 1, 2008
7348549 Light scanning apparatus Mar. 25, 2008
7345271 Optoelectric sensing device with common deflection device Mar. 18, 2008
7339713 Optical beam scanner, image forming device, and optical beam scanning method Mar. 4, 2008
7319515 Rotary laser apparatus Jan. 15, 2008
7312920 Confocal microscope Dec. 25, 2007
7297936 Optical beam scanning device and image forming apparatus Nov. 20, 2007
7294824 Light beam scanning device, image forming apparatus, and light beam scanning method Nov. 13, 2007
7294826 Bio-sensing apparatus Nov. 13, 2007
7271383 Scanning system with feedback for a MEMS oscillating scanner Sep. 18, 2007
7247841 Light scanning apparatus Jul. 24, 2007
7180640 Monolithic micro scanning device Feb. 20, 2007
7138622 Method and apparatus for monitoring light beams Nov. 21, 2006
7105804 Light beam scanning unit and image forming apparatus Sep. 12, 2006
7079297 Optical scan device, image position calibration method, and image display device Jul. 18, 2006
7067790 Photodetector for weak light having charge reset means Jun. 27, 2006
7064877 Scanning optical apparatus and image forming apparatus using the same Jun. 20, 2006

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