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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:
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Patent Number Title Of Patent Date Issued
6394358 Device for authenticating a security document May. 28, 2002
6390368 Coding systems May. 21, 2002
6390377 Hidden information on a mail piece for authentication May. 21, 2002
6389182 Image processing apparatus, image processing method and storage medium May. 14, 2002
6372293 Test tube with data matrix code markings Apr. 16, 2002
6364209 Data reading apparatus Apr. 2, 2002
6354501 Composite authentication mark and system and method for reading the same Mar. 12, 2002
6354507 Paper sheet discriminating apparatus and method Mar. 12, 2002
6343745 Security device Feb. 5, 2002
6341730 Method of encoding embedded data blocks containing occlusions Jan. 29, 2002
6340118 Exclusive or cross-coupled framing codes for self-clocking glyphs Jan. 22, 2002
6340119 Techniques for reading two dimensional code, including MaxiCode Jan. 22, 2002
RE37491 Information storage medium and method for detecting forgeries Jan. 1, 2002
6330976 Marking medium area with encoded identifier for producing action through network Dec. 18, 2001
6331901 Coded data output apparatus Dec. 18, 2001
6327395 Glyph address carpet methods and apparatus for providing location information in a multidimensional address space Dec. 4, 2001
6321986 Robust machine-readable symbology and method and apparatus for printing and reading same Nov. 27, 2001
6318631 Scanning communicator Nov. 20, 2001
6302329 Method and apparatus for recording digital information in two-dimensional pattern, carrier of digital information recorded thereby, and a method and apparatus for decoding such digital informa Oct. 16, 2001
6302330 Material strip with arranged groups of dark and light areas Oct. 16, 2001
6296192 Machine-readable record with a two-dimensional lattice of synchronization code interleaved with data code Oct. 2, 2001
6297890 Coded data output apparatus Oct. 2, 2001
6298171 System for reading data glyphs Oct. 2, 2001
6279828 One dimensional bar coding for multibyte character Aug. 28, 2001
6279830 Two-dimensional code, reading and producing method and recording medium storing related software Aug. 28, 2001
6273340 Coding method, coding equipment and resulting coded product Aug. 14, 2001
6267291 Coded and electronically tagged welding wire Jul. 31, 2001
6267296 Two-dimensional code and method of optically reading the same Jul. 31, 2001
6254007 Security image element tiling scheme Jul. 3, 2001
6234392 Apparatus for issuing and/or reading recording medium and recording medium recorded with digitally coded signal May. 22, 2001
6234397 Techniques for reading two dimensional code, including maxicode May. 22, 2001
6214250 Multilayer, temperature resistant, composite label Apr. 10, 2001
6208771 Methods and apparatus for robust decoding of glyph address carpets Mar. 27, 2001
6202926 Magnetic recording medium and method of making the same Mar. 20, 2001
6202929 Capacitive method and apparatus for accessing information encoded by a differentially conductive pattern Mar. 20, 2001
6199765 Printer media with bar code identification system Mar. 13, 2001
6196466 Data compression method using multiple base number systems Mar. 6, 2001
6193156 Method and apparatus for patterning cards, instruments and documents Feb. 27, 2001
6186405 Dot code and code reading apparatus Feb. 13, 2001
6186406 Bar code symbology capable of encoding bytes, words, 16-bit characters, etc. and method and apparatus for printing and reading same Feb. 13, 2001
6182901 Orientational disambiguation for self-clocking glyph codes Feb. 6, 2001
6181839 Two-dimensional code reader Jan. 30, 2001
6176427 Variable formatting of digital data into a pattern Jan. 23, 2001
6176434 Method and structure for identifying solid objects having a dynamic surface Jan. 23, 2001
6177858 Method for remotely interrogating tags, and station and tag implementing said method Jan. 23, 2001
6164552 Formation method of two-dimensional code Dec. 26, 2000
6152370 Method and apparatus for decoding unresolved profiles produced from relief formed symbols Nov. 28, 2000
6152374 Method for renting fabric articles and data code-printed sheet Nov. 28, 2000
6145744 Method of reading bar code Nov. 14, 2000
6141441 Decoding data from patterned color modulated image regions in a color image Oct. 31, 2000

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