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Class Information
Number: 341/13
Name: Coded data generation or conversion > Digital pattern reading type converter > Optical
Description: Subject matter where the digital pattern carrier is read by an optical device.










Sub-classes under this class:

Class Number Class Name Patents
341/14 Having optical waveguide 43


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

Patent Number Title Of Patent Date Issued
8710425 Encoder that optically detects positional information of a moving body from different optical paths lengths Apr. 29, 2014
8680452 Optically controlled motorized control device Mar. 25, 2014
8659448 Movement detection device Feb. 25, 2014
8598509 Optical encoder Dec. 3, 2013
8558721 Position detection apparatus, image taking apparatus and position detection method Oct. 15, 2013
8546743 Encoder in which the relative displacement between the encoder scale and encoder head is detected Oct. 1, 2013
8492703 Lens aberration correction in a doubly telecentric displacement sensor Jul. 23, 2013
8481915 Optical encoder Jul. 9, 2013
8476578 Rotary encoder and rotation mechanism including the same Jul. 2, 2013
8426801 Shading member of rotator type optical sensing device Apr. 23, 2013
8395535 Photoelectric encoder Mar. 12, 2013
8330098 High resolution, high speed, miniaturized optical encoder Dec. 11, 2012
8325066 Photoelectric encoder Dec. 4, 2012
8303199 Mobile device with dual optical sensing pathways Nov. 6, 2012
8264380 Code wheel manufacturing method, code wheel, rotary encoder, rotation control unit, belt carrier unit, and image forming apparatus Sep. 11, 2012
8217808 Incremental coder and method for determining a value of variation of stable positions of the coder Jul. 10, 2012
8193483 Optical encoder systems, devices and methods Jun. 5, 2012
8093546 Out-of-round coder Jan. 10, 2012
8068040 Optical encoder with integrated monitor Nov. 29, 2011
8044340 Encoder and light receiving device for encoder Oct. 25, 2011
8044339 Intensity-based optical encoder using digital diffractive optic regions Oct. 25, 2011
8039786 Absolute position encoder obtains signals corresponding to individual imaging ranges of imaging optical systems Oct. 18, 2011
8020310 Measuring element comprising a track used as a material measure and corresponding measurement method carried out by means of such a measuring element Sep. 20, 2011
7982175 Miniaturized single track optical encoder system with integrated index channel(s) Jul. 19, 2011
7916045 Scale for photoelectric encoder Mar. 29, 2011
7903336 Optical metrological scale and laser-based manufacturing method therefor Mar. 8, 2011
7888627 Optical encoder having a stray-light reduction element for reducing strat-light Feb. 15, 2011
7874751 Mobile device with multiple optical sensing pathways Jan. 25, 2011
7858922 Position-measuring device Dec. 28, 2010
7804427 Device and method for automatic reset of encoder Sep. 28, 2010
7732757 Origin detection method for optical encoder Jun. 8, 2010
7714273 Position-measuring device May. 11, 2010
7705751 Encoder Apr. 27, 2010
7687766 Out-of-round coder Mar. 30, 2010
7679533 Photodiode array for an optical encoder, photodiode detection system, and optical encoder Mar. 16, 2010
7667188 Position measuring device including a scale having an integrated reference marking Feb. 23, 2010
7646314 Encoder for shaft device comprising one such encoder and production method thereof Jan. 12, 2010
7638755 Sensing absolute position of an encoded object Dec. 29, 2009
7619208 Photoelectric encoder, scale and method of manufacturing scale Nov. 17, 2009
7572077 Mobile device having dual optical sensing pathways Aug. 11, 2009
7569808 Rotary encoder, belt conveyance apparatus, and image forming apparatus Aug. 4, 2009
7554079 Signal conditioning for an optical encoder Jun. 30, 2009
7544925 Encoder including rotating member, light source device and photodetecting device including a scale having photodetecting elements arranged thereon Jun. 9, 2009
7535382 High speed quadrature counter May. 19, 2009
7508323 Rotation-angle detecting apparatus Mar. 24, 2009
7495583 Flat-top reflection-based optical encoders Feb. 24, 2009
7466884 Photonic-interconnect systems for reading data from memory cells and writing data to memory integrated circuits Dec. 16, 2008
7456386 Averaging signals Nov. 25, 2008
7439489 Photoelectric encoder and electronic equipment using the same Oct. 21, 2008
7427932 Compressive sampling and signal inference Sep. 23, 2008

1 2 3 4 5 6 7 8 9










 
 
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