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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
4982074 Method of recording position information of last track recorded with data in directory area Jan. 1, 1991
4982075 Information recording medium with track group indicators Jan. 1, 1991
4982077 Recording format for optical recording medium Jan. 1, 1991
4980544 Optical code reader and format Dec. 25, 1990
4979159 Method of recording data onto an optical card having a plurality of tracks containing at least one ID section, error correcting code or directory pointer area and method of reproducing data th Dec. 18, 1990
4970531 Thermal transfer printer Nov. 13, 1990
4970712 Method for recording data onto optical data recording cards using pits for indicating the center line positions of data arrays provided on said cards Nov. 13, 1990
4957580 Method for making an optical data card Sep. 18, 1990
4958066 Financial instrument verification and method of production Sep. 18, 1990
4947383 Machine readable markers for cartesian information storage media Aug. 7, 1990
4939354 Dynamically variable machine readable binary code and method for reading and producing thereof Jul. 3, 1990
4937436 Magnetically encoded cards Jun. 26, 1990
4937439 Method and system for creating and scanning a customized survey form Jun. 26, 1990
4937810 Optical recording tape with continuous prerecorded tracks Jun. 26, 1990
4935611 Technique for operating electrically-powered equipment in time dependent manner Jun. 19, 1990
4926035 Optically readable code and method for communication May. 15, 1990
4924078 Identification symbol, system and method May. 8, 1990
4924199 Optical card for data storage for use in a data recording and retrieving apparatus May. 8, 1990
4917292 Book on a pocket card Apr. 17, 1990
4912311 Information recording carrier Mar. 27, 1990
4910725 Optical recording method for data cards Mar. 20, 1990
4904853 Dual-function information-carrying sheet device Feb. 27, 1990
4902244 Connector Feb. 20, 1990
4902880 Card reader system and method with printing and verification capability Feb. 20, 1990
4901359 Method and apparatus for automatically cutting material in standard patterns Feb. 13, 1990
4897535 Random number game result checking aid Jan. 30, 1990
4896029 Polygonal information encoding article, process and system Jan. 23, 1990
4889982 Encoded label having redundant and scrambled indicia for identifying a magnetic tape cartridge Dec. 26, 1989
4885459 Device and system for encoding a substrate with an ink Dec. 5, 1989
4885736 Optical recording medium with track and track number guides Dec. 5, 1989
4883949 Data reader Nov. 28, 1989
4882675 Paperless system for distributing, redeeming and clearing merchandise coupons Nov. 21, 1989
4880964 Scannable fraud preventing coupon Nov. 14, 1989
4874936 Hexagonal, information encoding article, process and system Oct. 17, 1989
4870260 Method and apparatus for validating valuable documents Sep. 26, 1989
4868806 An information recording apparatus for recording a directory information unit on a single recording track of a recording medium based on the number of directory information units previously re Sep. 19, 1989
4864111 Promissory note Sep. 5, 1989
4864112 Bar code label Sep. 5, 1989
4857715 Overprint registration system for printing a customized survey form and scannable form therefor Aug. 15, 1989
4853920 Information recording medium and reproducing method therefor Aug. 1, 1989
4837427 Manually codeable cards for card readers Jun. 6, 1989
4835544 Printing and packaging system and identifying an item of printed matter May. 30, 1989
4827114 Process and device designed to scramble the data of a bar code by means of a transparent wrapping May. 2, 1989
4822984 Process for electronic payment using a memory Apr. 18, 1989
4821195 Method and apparatus for sequentially numbering mail pieces Apr. 11, 1989
4818850 Method and apparatus for attaching bar code indicia on items Apr. 4, 1989
4813330 Coded card for use in a melody playing apparatus Mar. 21, 1989
4814589 Information transfer and use, particularly with respect to objects such as gambling chips Mar. 21, 1989
4810867 Bar code marking the surface of an object Mar. 7, 1989
4797543 Selectable data readout IC card Jan. 10, 1989

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