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Class Information
Number: 250/566
Name: Radiant energy > Photocells; circuits and apparatus > Optical or pre-photocell system > Including coded record
Description: Subject matter comprising data bearing means containing information in symbolic form where the symbols are arbitrarily given certain meanings and means for illuminating said data bearing means prior to the photoelectric cell; or methods of using such means.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7619819 |
Method and apparatus for drug product tracking using encoded optical identification elements |
Nov. 17, 2009 |
| 7397057 |
Optical information readout apparatus |
Jul. 8, 2008 |
| 7391546 |
Discrimination medium and discrimination method using the same |
Jun. 24, 2008 |
| 7388221 |
Viewer and method for displaying information based on viewer position |
Jun. 17, 2008 |
| 7335903 |
Detachable bill acceptor mounting arrangement |
Feb. 26, 2008 |
| 7279696 |
Optical information code reading apparatus using marker beam |
Oct. 9, 2007 |
| 7265370 |
Sensing light |
Sep. 4, 2007 |
| 7221998 |
Determining pallet case configurations for placement by a robot |
May. 22, 2007 |
| 7173235 |
Apparatus for optically reading target |
Feb. 6, 2007 |
| 7164533 |
Hybrid random bead/chip based microarray |
Jan. 16, 2007 |
| 7161134 |
Procedure for scanning identifying badges for automotive vehicle |
Jan. 9, 2007 |
| 7148499 |
Device for interacting with an interface surface |
Dec. 12, 2006 |
| 7126755 |
Method and apparatus for labeling using diffraction grating-based encoded optical identification elements |
Oct. 24, 2006 |
| 7071481 |
Automated reagentless system of product fingerprint authentication and trademark protection |
Jul. 4, 2006 |
| 7019319 |
Viewer configured to display, and method of displaying, information on a display to at least partially take into account a position of the viewer relative to a surface |
Mar. 28, 2006 |
| 6992846 |
Micro reader scan engine with prism |
Jan. 31, 2006 |
| 6946672 |
Viewer with code sensor and printer |
Sep. 20, 2005 |
| 6884993 |
Off-axis object detection system for a bar code scanner |
Apr. 26, 2005 |
| 6871116 |
Determining pallet case configurations for placement by a robot |
Mar. 22, 2005 |
| 6775077 |
Micro reader scan engine with prism |
Aug. 10, 2004 |
| 6765195 |
Method and apparatus for two-dimensional absolute optical encoding |
Jul. 20, 2004 |
| 6750479 |
Semiconductor component and a method for identifying a semiconductor component |
Jun. 15, 2004 |
| 6714351 |
Illumination apparatus with polarizing elements for beam shaping |
Mar. 30, 2004 |
| 6710364 |
Semiconductor wafer edge marking |
Mar. 23, 2004 |
| 6664535 |
Scale structures and methods usable in an absolute position transducer |
Dec. 16, 2003 |
| 6621070 |
Bar code scanning system with offset optical axes |
Sep. 16, 2003 |
| 6501087 |
Image reading apparatus having multiple wavelength light sources and control method for the same |
Dec. 31, 2002 |
| 6469294 |
Optical scanner and light source module with reduced light beam diameter |
Oct. 22, 2002 |
| 6465787 |
Covert surveillance system for tracking light sensitive tagged moving vehicles |
Oct. 15, 2002 |
| 6465770 |
Device for positioning objects |
Oct. 15, 2002 |
| 6429934 |
Optimal symbology illumination-apparatus and method |
Aug. 6, 2002 |
| 6410931 |
Electro-optical reader with hands-free and hand-held modes of operation |
Jun. 25, 2002 |
| 6376855 |
Horizontal scanning device able to scan a bar code label on an underside or on a standing side wall of an article |
Apr. 23, 2002 |
| 6365907 |
Device for recognizing diffraction optical markings |
Apr. 2, 2002 |
| 6323503 |
CCD scanner having improved specular reflection discrimination |
Nov. 27, 2001 |
| 6303927 |
Optical scan module with integral collection lens mount |
Oct. 16, 2001 |
| 6300645 |
Position sensing device having a single photosensing element |
Oct. 9, 2001 |
| 6270728 |
Test tube with optically readable coding |
Aug. 7, 2001 |
| 6265705 |
Alignment apparatus and method for an imaging system |
Jul. 24, 2001 |
| 6249008 |
Code reader having replaceable optics assemblies supporting multiple illuminators |
Jun. 19, 2001 |
| 6225641 |
Optical reader for scanning optical indicia by movement of an aperture relative to an image plane |
May. 1, 2001 |
| 6222178 |
Bar code reading apparatus having a detection sensitivity setting device |
Apr. 24, 2001 |
| 6191406 |
Data reader and reader system having visible centerless targeting |
Feb. 20, 2001 |
| 6177683 |
Portable viewer for invisible bar codes |
Jan. 23, 2001 |
| 6166375 |
Offset optical axes for bar code scanner |
Dec. 26, 2000 |
| 6147358 |
CCD scanner having improved specular reflection discrimination |
Nov. 14, 2000 |
| 6137105 |
Multiple parallel source scanning device |
Oct. 24, 2000 |
| 6133580 |
Compensating device for improving the scanning luminance in a scanner |
Oct. 17, 2000 |
| 6114712 |
One piece optical assembly for low cost optical scanner |
Sep. 5, 2000 |
| 6075240 |
Hand-held plastic optical fiber linear scanner for reading color images formed on a surface |
Jun. 13, 2000 |
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