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Class Information
Number: 356/637
Name: Optics: measuring and testing > Dimension > Width or diameter > Web
Description: Subject matter comprising means for measuring the width of a web.

Patents under this class:

Patent Number Title Of Patent Date Issued
7936277 Apparatus and method for width detection May. 3, 2011
7830530 Device and method for optical measurement of grains from cereals and like crops Nov. 9, 2010
7495781 Optimizing selected variables of an optical metrology model Feb. 24, 2009
7411206 Method and system for detecting the position of an edge of a web Aug. 12, 2008
7405032 Combination of non-lithographic shrink techniques and trim process for gate formation and line-edge roughness reduction Jul. 29, 2008
7391043 Self calibrating media edge sensor Jun. 24, 2008
7173269 Apparatus for processing photosensitive material and area measurement method Feb. 6, 2007
7115889 Device and method for sensing the position of an edge of a product Oct. 3, 2006
7088456 Thin film thickness measurement using multichannel infrared sensor Aug. 8, 2006
7075099 Method and system for detecting the position of an edge of a web Jul. 11, 2006
6891629 Method and apparatus for detecting a substrate feature May. 10, 2005
6635895 Edge scan sensor for web guiding apparatus Oct. 21, 2003
6459494 Width measuring apparatus Oct. 1, 2002
6429944 Process and device for determining the thickness transverse profile and thickness longitudinal profile of a running strip of material Aug. 6, 2002
5453825 Method and apparatus for controlling the transport and the positioning of sheets Sep. 26, 1995
5321273 Document size sensing having a spectroscope Jun. 14, 1994
5162873 Slab surface contour monitor Nov. 10, 1992
5083867 Slab surface contour monitor Jan. 28, 1992
5033096 Non-contact determination of the position of a rectilinear feature of an article Jul. 16, 1991
4978858 Optical web detection and measurement system especially adapted for controlling replenishment of x-ray film processing chemicals Dec. 18, 1990
4954719 Sheet thickness gauging method and system with auto calibration Sep. 4, 1990
4603956 Film-width and transmittance scanner system Aug. 5, 1986
4559452 Apparatus for detecting edge of semitransparent plane substance Dec. 17, 1985
4520270 Self-adjusting sensor controller May. 28, 1985
4506969 Film-width and transmittance scanner system Mar. 26, 1985
4499383 Edge detection apparatus Feb. 12, 1985
4490617 Optical width measuring system using two cameras Dec. 25, 1984
4429991 Method for detecting physical anomalies of U.S. currency Feb. 7, 1984
4393313 Width detector system Jul. 12, 1983
4384303 Arrangement for determining the width of rolling mill products May. 17, 1983
4319270 Surface inspection system for hot radiant material Mar. 9, 1982
4196648 Automatic sawmill apparatus Apr. 8, 1980
4067652 Method and means for the determination of a planar dimension Jan. 10, 1978
4033697 Automatic exposure control for a luminous object monitor system Jul. 5, 1977
3992107 Automatic flat width control Nov. 16, 1976

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