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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
5984192 Supplementary coding on inductive debit cards and reading process Nov. 16, 1999
5984193 Printer media with bar code identification system Nov. 16, 1999
5971283 Stereo code Oct. 26, 1999
5969322 Apparatus having a film condition judging device Oct. 19, 1999
5969326 Method and apparatus of autodiscriminating in symbol reader employing prioritized and updated table of symbologies Oct. 19, 1999
5959280 Multi-standard optical disk reading apparatus and method of reading using same Sep. 28, 1999
5959281 Interactive card reading system Sep. 28, 1999
5959285 Two-dimensional bar code symbology using gray code encodation scheme Sep. 28, 1999
5949050 Magnetic cards having a layer being permanently magnetized in a fixed configuration Sep. 7, 1999
5949055 Automatic geometric image transformations using embedded signals Sep. 7, 1999
5949060 High security capacitive card system Sep. 7, 1999
5946103 Halftone patterns for trusted printing Aug. 31, 1999
5939703 Distributed dimensional labeling for dimensional characterization of embedded data blocks Aug. 17, 1999
5937110 Parallel propagating embedded binary sequences for characterizing objects in N-dimensional address space Aug. 10, 1999
5936228 Dot-code recording method and dot-code recording and reproducing apparatus Aug. 10, 1999
5932867 Article identification apparatus and method including an identification element with laser thread Aug. 3, 1999
5932870 Documents containing a magnetic strip with a bar code affixed thereto Aug. 3, 1999
5929420 Method for reading distorted bar codes Jul. 27, 1999
5929429 Distributed dimensional labeling for dimensional characterization of border-type embedded data blocks Jul. 27, 1999
5920062 Combined linear and two-dimensional bar code structure Jul. 6, 1999
5902982 Changeable machine readable assaying indicia May. 11, 1999
5897669 Information recording medium for recording multimedia information as optical readable code data thereon and information recording/reproducing system using the same Apr. 27, 1999
5898166 Information reproduction system which utilizes physical information on an optically-readable code and which optically reads the code to reproduce multimedia information Apr. 27, 1999
5874718 Information recording medium Feb. 23, 1999
5870510 Parallel propagating embedded binary sequences for parameterizing two dimensional image domain code patterns in N-dimensional address space Feb. 9, 1999
5866895 Information recording medium and information reproduction system Feb. 2, 1999
5861616 Method and device for recognizing a waveform of an analog signal Jan. 19, 1999
5862255 Broad bandwidth image domain communication channel with symbol interference suppression Jan. 19, 1999
5862271 Parallel propagating embedded binary sequences for characterizing and parameterizing two dimensional image domain code patterns in N-dimensional address space Jan. 19, 1999
5859414 Interactive customer information terminal Jan. 12, 1999
5854148 Optically readable mark recorded cloth and a production process thereof Dec. 29, 1998
5850080 Verification of barcodes Dec. 15, 1998
5835615 Bar code printability gauge Nov. 10, 1998
5825015 Machine readable binary codes Oct. 20, 1998
5825475 System and method for determining which of a plurality of visually indistinguishable objects have been marked with a covert indicator Oct. 20, 1998
5825947 Optical reproducing system for multimedia information recorded with code data having function for correcting image reading distortion Oct. 20, 1998
5818026 Hand-marked lottery selection slip scanning system and method Oct. 6, 1998
5818031 Bar code encoding system using four-state codes Oct. 6, 1998
5818032 Encoded color halftone micro-dots for high density digital information storage Oct. 6, 1998
5814801 Maxicode data extraction using spatial domain features exclusive of fourier type domain transfer processing Sep. 29, 1998
5814806 Code sheet representing multiple code information and method for producing the same Sep. 29, 1998
5811775 Optical data element including a diffraction zone with a multiplicity of diffraction gratings Sep. 22, 1998
5811781 Bar code symbology capable of encoding 16-bit characters, and method and apparatus for printing and reading same Sep. 22, 1998
5811787 Two-dimensional bar code symbology using implicit version information encoding Sep. 22, 1998
5808284 System and method for use of a circular bar code Sep. 15, 1998
5801848 Process for transmitting and/or storing information Sep. 1, 1998
5798514 Circular bar code Aug. 25, 1998
5790703 Digital watermarking using conjugate halftone screens Aug. 4, 1998
5786583 Method and apparatus for locating and decoding machine-readable symbols Jul. 28, 1998
5777307 Optical information recording with preformatted synchronization signals and information recording and reproducing method Jul. 7, 1998

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