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Class Information
Number: 235/494
Name: Registers > Records > Particular code pattern
Description: Subject matter wherein different items of information are represented by particular shaped patterns or arrangements of such patterns.

Patents under this class:

Patent Number Title Of Patent Date Issued
5410620 Digital data reader of digital data recording sheet Apr. 25, 1995
5408543 Digital data reader of digital data recording sheet Apr. 18, 1995
5404003 Method and apparatus for decoding bar code symbols using byte-based searching Apr. 4, 1995
5393967 Method and apparatus for non-contact reading of a relief pattern Feb. 28, 1995
5386298 Automated form handing and generating system and a form sheet associated to said system Jan. 31, 1995
5384451 Method and apparatus for decoding bar code symbols using composite signals Jan. 24, 1995
5382779 Shelf price label verification apparatus and method Jan. 17, 1995
5380998 Single width bar code with end code providing bidirectionality Jan. 10, 1995
5373147 Apparatus and method for detecting line segment direction Dec. 13, 1994
5367319 Security protection for important documents and papers Nov. 22, 1994
5362948 Facsimile-use automatic order and sales management system Nov. 8, 1994
5359184 Optical encoding utilizing selectively refracted light Oct. 25, 1994
5357094 Two-channel XOR bar code and optical reader Oct. 18, 1994
5357095 Reagent bottle identification and reagent monitoring system for a chemical analyzer Oct. 18, 1994
5355001 Method for recording data, and printed body printed by the method, and data recording medium, and method for reading data from data recording the medium Oct. 11, 1994
5352880 Optical card having a mirror section with a pair of auxiliary guide tracks Oct. 4, 1994
5343031 Method of decoding a two-dimensional code symbol mark Aug. 30, 1994
5340966 Automatic facsimile-receiving-sheet recognizing apparatus Aug. 23, 1994
5329107 Dynamically variable machine readable binary code and method for reading and producing thereof Jul. 12, 1994
5329108 Map with indexes for a geographical information system and system for applying same Jul. 12, 1994
5327510 Method of recording/reproducing data of mesh pattern, and apparatus therefor Jul. 5, 1994
5324923 Apparatus for producing a dynamically variable machine readable binary code and method for reading and producing thereof Jun. 28, 1994
5324926 Optical card having alternative information record region Jun. 28, 1994
5324927 Return mail piece and method of marking the same Jun. 28, 1994
5325167 Record document authentication by microscopic grain structure and method Jun. 28, 1994
5315098 Methods and means for embedding machine readable digital data in halftone images May. 24, 1994
5304787 Locating 2-D bar codes Apr. 19, 1994
5304789 Multilayer card-shaped data carrier and method for producing same Apr. 19, 1994
5298731 Method for printing and reading for orthogonal bar code patterns Mar. 29, 1994
5296693 Ink intrusion resistant digital code Mar. 22, 1994
5293031 Magnetic bar code reading system employing phase-shift type sensor having plural sensing sections Mar. 8, 1994
5293568 Track-address judging method Mar. 8, 1994
5288976 Bar code use in information, transactional and other system and service applications Feb. 22, 1994
5288986 Binary code matrix having data and parity bits Feb. 22, 1994
5285433 Apparatus with position detecting means for recording and/or reproducing data on and/or from optical card Feb. 8, 1994
5278400 Multiple threshold encoding of machine readable code Jan. 11, 1994
5276315 Method and apparatus for processing low resolution images of degraded bar code symbols Jan. 4, 1994
5270522 Dynamic barcode label system Dec. 14, 1993
5264683 Method of collating photographic prints with photographic film Nov. 23, 1993
5262623 Method and apparatus for distinguishing a preferred bar code or the like Nov. 16, 1993
5260556 Optically readable coded target Nov. 9, 1993
5245165 Self-clocking glyph code for encoding dual bit digital values robustly Sep. 14, 1993
5241166 Low resolution target acquisition Aug. 31, 1993
5237164 Card having retroreflective bar codes and a magnetic stripe Aug. 17, 1993
5235172 Method of reading a data carrier including multiple rows of bar code Aug. 10, 1993
5233598 Information recording medium having a plurality of information tracks arranged in a predetermined rectilinear direction Aug. 3, 1993
5223701 System method and apparatus using multiple resolution machine readable symbols Jun. 29, 1993
5221833 Methods and means for reducing bit error rates in reading self-clocking glyph codes Jun. 22, 1993
5218192 Bar code printing medium Jun. 8, 1993
5216234 Tokens having minted identification codes Jun. 1, 1993

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