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Class Information
Number: 250/559.38
Name: Radiant energy > Photocells; circuits and apparatus > With circuit for evaluating a web, strand, strip, or sheet > Measuring position > Determining range from detector
Description: Subject matter wherein the reference frame used to express the position of the material is centered at the photocell or optical system.

Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8384002 Multi-focal intraocular lens system and methods Feb. 26, 2013
8330095 Safety photoelectric switch Dec. 11, 2012
8288706 Optical sensor comprising at least one optical element with a freeform boundary surface Oct. 16, 2012
8164078 Beam irradiation device Apr. 24, 2012
8125773 Electronic equipment Feb. 28, 2012
8068641 Interaction interface for controlling an application Nov. 29, 2011
8009871 Method and system to segment depth images and to detect shapes in three-dimensionally acquired data Aug. 30, 2011
7964833 Multi-focal intraocular lens system and methods Jun. 21, 2011
7917320 Digital signal processing in optical systems used for ranging applications Mar. 29, 2011
7895007 Digital signal processing in optical systems used for ranging applications Feb. 22, 2011
7810992 Non-contact temperature-measuring device and the method thereof Oct. 12, 2010
7756323 Three-dimensional video scanner Jul. 13, 2010
7728316 Integrated proximity sensor and light sensor Jun. 1, 2010
7667598 Method and apparatus for detecting presence and range of a target object using a common detector Feb. 23, 2010
7645975 Spatial information detecting device Jan. 12, 2010
7645974 Method and apparatus for distance measurement Jan. 12, 2010
7638753 Method of operating an optoelectronic sensor Dec. 29, 2009
7640122 Digital signal processing in optical systems used for ranging applications Dec. 29, 2009
7601978 Fabric wrinkle evaluation Oct. 13, 2009
7599546 Image information processing system, image information processing method, image information processing program, and automobile Oct. 6, 2009
7592615 Optical receiver with a modulated photo-detector Sep. 22, 2009
7442916 Lift detection adapted for navigation on a transparent structure Oct. 28, 2008
7420196 Multiple axis multipoint non-contact measurement system Sep. 2, 2008
7414739 Calibration system for sawmill scanning systems Aug. 19, 2008
7385214 System and method for correcting systematic error of, and calibrating for, tilt angle of surface topology sensor head having plurality of distance sensors Jun. 10, 2008
7382356 Input unit for games and musical keyboards Jun. 3, 2008
7289230 Wireless substrate-like sensor Oct. 30, 2007
7253427 Automatic object plane detection system and method Aug. 7, 2007
7236256 Range finder and method Jun. 26, 2007
7208749 System and method for locating and positioning an ultrasonic signal generator for testing purposes Apr. 24, 2007
7189985 Tracking separation between an object and a surface using a reducing structure Mar. 13, 2007
7154112 Distance measurement sensor Dec. 26, 2006
7138646 Light receiving device with controllable sensitivity and spatial information detecting apparatus with charge discarding device using the same Nov. 21, 2006
7119350 Spatial information detecting device using intensity-modulated light and a beat signal Oct. 10, 2006
7115890 Method and apparatus for inspecting a sample having a height measurement ahead of a focal area Oct. 3, 2006
7084416 Banknote validating apparatus and method Aug. 1, 2006
7078720 Range finder for measuring three-dimensional geometry of object and method thereof Jul. 18, 2006
7071460 Optical non-contact measuring probe Jul. 4, 2006
7053394 Recording device of master disk for information recording medium May. 30, 2006
7030402 Optical distance measuring device and printing apparatus using the same Apr. 18, 2006
6995385 Optical reflection sensor Feb. 7, 2006
6956227 Object detecting device and method with means for controlling direction of scan by electromagnetic waves Oct. 18, 2005
6937352 Positioning device for RAM testing system Aug. 30, 2005
6897465 System and method for determining a distance of an object using emitted light pulses May. 24, 2005
6878954 Detecting tool orientation, alignment, depth, and leveling Apr. 12, 2005
6844562 Distance measuring sensor and method for manufacturing the same Jan. 18, 2005
6778092 Method of, and apparatus for, controlling a safety-specific function of a machine Aug. 17, 2004
6741082 Distance information obtaining apparatus and distance information obtaining method May. 25, 2004
6734412 Position detection device May. 11, 2004
6734450 Three-dimensional image capturing device May. 11, 2004

1 2 3 4 5

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