Resources Contact Us Home
Browse by Category: Main > Electrical & Energy
Class Information
Number: 250/559.07
Name: Radiant energy > Photocells; circuits and apparatus > With circuit for evaluating a web, strand, strip, or sheet > With imaging
Description: Subject matter wherein photocells detect an optical image of the material and a circuit produces a resulting signal used to determine some characteristic of the mate­rial.

Sub-classes under this class:

Class Number Class Name Patents
250/559.08 With camera 140

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8593709 Color profile selection Nov. 26, 2013
8575581 Image reading apparatus Nov. 5, 2013
8489237 High throughput method of in transit wafer position correction in a system using multiple robots Jul. 16, 2013
8461562 Web carrier, web carrying method, and web carriage control program Jun. 11, 2013
8431917 System and method for rotary machine online monitoring Apr. 30, 2013
8415648 Method of determination of glass surface shapes and optical distortion by reflected optical imaging Apr. 9, 2013
8399838 Terahertz investigative system and method Mar. 19, 2013
8253948 Wafer center finding with charge-coupled devices Aug. 28, 2012
8237138 Systems and method for optical scatter imaging of latent image plates Aug. 7, 2012
8125652 Wafer center finding with charge-coupled devices Feb. 28, 2012
8009871 Method and system to segment depth images and to detect shapes in three-dimensionally acquired data Aug. 30, 2011
7920751 Adaptive gradient weighting technique for detector bad cell correction Apr. 5, 2011
7800089 Optical sensor for a printer Sep. 21, 2010
7795604 Device for measuring wear of trolley wire by image processing Sep. 14, 2010
7750329 Optical tweezers Jul. 6, 2010
7692137 Reflected light detecting apparatus, reflection characteristic determining apparatus, and object detecting apparatus Apr. 6, 2010
7614716 Apparatus discriminating type of recording medium and method of discriminating type of recording medium Nov. 10, 2009
7601978 Fabric wrinkle evaluation Oct. 13, 2009
7560718 Method for sensing a marking on a running web of material Jul. 14, 2009
7547884 Pattern defect inspection method and apparatus thereof Jun. 16, 2009
7538334 Devices and methods for targeting printing plates and measuring dot coverage thereon May. 26, 2009
7516628 On-line thickness gauge and method for measuring the thickness of a moving glass substrate Apr. 14, 2009
7505619 System and method for conducting adaptive fourier filtering to detect defects in dense logic areas of an inspection surface Mar. 17, 2009
7427767 Apparatus for identifying the condition of a conveyor belt Sep. 23, 2008
7321108 Dynamic focusing method and apparatus Jan. 22, 2008
7196300 Dynamic focusing method and apparatus Mar. 27, 2007
7189984 Object data input apparatus and object reconstruction apparatus Mar. 13, 2007
7176433 Resolution enhancement for macro wafer inspection Feb. 13, 2007
7166856 Apparatus and method to inspect display panels Jan. 23, 2007
7164476 Apparatus and method for detecting pipeline defects Jan. 16, 2007
7164145 Measuring fiber orientation by detecting dispersion of polarized light Jan. 16, 2007
7145160 Method and apparatus to discriminate the class of medium to form image Dec. 5, 2006
6838687 Identification of recording media Jan. 4, 2005
6815701 Method and device for measuring wear on internal barrel surfaces Nov. 9, 2004
6747697 Method and apparatus for digital image defect correction and noise filtering Jun. 8, 2004
6614533 Spectroscopic image input system Sep. 2, 2003
6590221 On-line measuring system for measuring substrate thickness and the method thereof Jul. 8, 2003
6509575 Method and apparatus for polarization filtered x-ray film scanning recording Jan. 21, 2003
6437358 Apparatus and methods for capturing defect data Aug. 20, 2002
6335978 Variable printing system and method with optical feedback Jan. 1, 2002
6291829 Identification of recording medium in a printer Sep. 18, 2001
6259109 Web inspection system for analysis of moving webs Jul. 10, 2001
6216432 Method for inspecting spinning bobbins and system for implementing such method Apr. 17, 2001
6211532 Microprobe chip for detecting evanescent waves probe provided with the microprobe chip and evanescent wave detector, nearfield scanning optical microscope, and information regenerator provided Apr. 3, 2001
6121599 Device for use in the optical investigation of surfaces Sep. 19, 2000
6091834 Method of illuminating a digital representation of an image Jul. 18, 2000
6075234 Non-contact method and apparatus to obtain a timing signal from internal integrated circuit nodes Jun. 13, 2000
6058201 Dynamic reflective density measuring and control system for a web printing press May. 2, 2000
5974160 Measuring method and apparatus of gloss irregularity and printing unevenness Oct. 26, 1999
5696588 Automatic plate scanner Dec. 9, 1997

1 2 3

  Recently Added Patents
Analysis, secure access to, and transmission of array images
Motion-compensated prediction of inter-layer residuals
High damage threshold frequency conversion system
Method for assembling a camera module, and camera module
Methods and systems for automatically identifying a logical circuit failure in a data network
Optical packet signal transmission device and WDM optical communication network
Self-service administration of a database
  Randomly Featured Patents
Methods and apparatus for creation and transport of multimedia content flows
Device for detecting the focal value for the focusing of optical apparatus
Processes and intermediates for the preparation of piperazine derivatives
Prioritizing search results by client search satisfaction
Postage meter setting device
Arrangement in a belt conveyor
High power solid state laser modulator
Aerodynamic deflector for a rear view mirror with an integral side marker light
Magnetically coupled and self-lubricated pump with bearing burnout protection
Multi-board electrical control device