Matches 51 - 73 out of 73 < 1 2
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6606396 Method and apparatus for detecting forgery  
A two-dimensional code and a predetermined figure pattern are printed on a medium. An error in the two-dimensional code is correctable during decoding of the two-dimensional code. A cell position...
6550685 Methods and apparatus utilizing visually distinctive barcodes  
Methods and apparatus utilizing visually distinctive bar code symbols are described. An article is provided with a bar code symbol including a bar code. The bar code comprises a sequence of first...
6540141 Methods and systems for providing human/computer interfaces  
The present invention teaches a variety of methods and systems for providing computer/human interfaces. According to one method, the user interfaces with an electronic device such as a computer...
6533181 Direct marking of parts with encoded symbology method, apparatus and symbolody  
The present invention describes an automated method for creating impressions of machine-readable encoded symbology using thermojet type solid object printing technology. This is accomplished by...
EP1287483A1 MACHINE READABLE CODE AND METHOD AND DEVICE OF ENCODING AND DECODING THE SAME  
Abstract not available for EP1287483
6518950 Methods and systems for providing human/computer interfaces  
The present invention teaches a variety of methods and systems for providing computer/human interfaces. According to one method, the user interfaces with an electronic device such as a computer...
6439459 Methods and systems for providing human/computer interfaces  
The present invention teaches a variety of methods and systems for providing computer/human interfaces. According to one method, the user interfaces with an electronic device such as a computer...
6360948 Method of reading two-dimensional code and storage medium thereof  
A method of reading information out of a two-dimensional code made up of a matrix of cells having a given optical pattern is provided. The two-dimensional code has location symbols used to locate...
6338433 Method for laser writing multiple updatable miniature 2-D barcode data bases for electronic commerce  
A method and system for recording and storing digital data on optical memory cards and labels in the form of miniature bar codes using laser recording of optical storage media to create multiple...
6318633 Method and system for laser writing on smart/optical cards data pixels usable in e-commerce transactions  
A method and system for recording and storing digital data on optical memory stripes of smart/optical cards using laser recording of optical storage media to create updatable, high resolution,...
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 information  
A digital information recording carrier has a planar recording surface having an information recording area in which meshes corresponding to bits are virtually set in a matrix form, each mesh being...
6293466 Bar code image processing apparatus  
An image input section enters a document image including a bar code, and converts the document image into a binary image. A small pattern removing section removes small patterns from a binary image...
6279830 Two-dimensional code, reading and producing method and recording medium storing related software  
A two-dimensional code includes a plurality of cells arranged in a predetermined two-dimensional pattern. The code comprises an information recording region constituted by a plurality of blocks....
6267296 Two-dimensional code and method of optically reading the same  
A two-dimensional code made up of a matrix of cells formed with dark and light squares arranged in a pattern carrying an optically readable binary-coded data, and a method of reading such a...
6181839 Two-dimensional code reader  
A two-dimensional code reader for accurate and fast reading of a two-dimensional code image containing luminance unevenness caused by variations in illumination. To binarize cells, first the gray...
6164541 Methods and systems for providing human/computer interfaces  
The present invention teaches a variety of methods and systems for providing computer/human interfaces. According to one method, the user interfaces with an electronic device such as a computer...
6116510 Code reading and recording apparatus  
A code pattern image printed/recorded on a recording medium and adapted to be picked up and read is electronically taken up and read and then processed by a decoder to restore the original data,...
6081627 Two-dimensional code reader  
A two-dimensional code reader for precisely and fast reading a two-dimensional code image containing luminance unevenness caused by variations in illumination, etc. To binarize cells, first the...
6000614 Two-dimensional code reading apparatus  
A two-dimensional code reading apparatus uses the image of a reference pattern of a known shape in the two-dimensional code to compute areas, shapes and positions of cells in the image of the...
5992748 Two-dimensional color code, preparing and restoring method for the code and apparatus therefor  
An apparatus for preparing a two-dimensional color code includes a reading section for reading an original image object to output to processing device; processing means having a code conversion...
5988506 System and method for reading and decoding two dimensional codes of high density  
A system for reading two dimensional codes as well as regular bar codes. A laser scanner generates a narrow horizontal beam which scans a code by means of a scanning mirror in the vertical...
5920062 Combined linear and two-dimensional bar code structure  
A combined linear and two-dimensional bar code structure containing encoding information therein. There is a linear bar code structure portion including a series of bars and spaces each bar and...
5818032 Encoded color halftone micro-dots for high density digital information storage  
Apparatus and method for storing large amount of digital data into the color halftone micro-dots generated by high resolution color laser or ink jet printers or lithography on a substrate, such as...
Matches 51 - 73 out of 73 < 1 2