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Class 235/462.1 - Means to decode a 2-D bar code


Subclass of Class 235 - Registers
Definition: Subject matter including means to read a two-dimensional
No. of patents: 277
Last issue date: 01/31/2012


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NumberTitleIssue Date
8104685Multi-function machine and method of controlling the same
A document including a two-dimensional barcode recorded therein is scanned, the two-dimensional barcode of the scan image is decoded, a text recorded in the document is extracted, the extracted text or a document produced by a document editing unit is attached to an...
01/31/2012
8016197Code reading device, code reading program storage medium and code reading method
A code reading device includes an acquisition section, a derivation section and a correction section. The acquisition section reads a two-dimensional code image and acquires image information representing the two-dimensional code image. The derivation section derive...
09/13/2011
7950581System and method of acquiring a machine-readable symbol
A system and method for acquiring a machine-readable symbol are disclosed. Briefly described, one embodiment comprises receiving at least one scan line of a codeword row, determining a number of codewords of the codeword row, and collapsing an initialization symbol ...
05/31/2011
7886978Techniques for decoding images of barcodes
Techniques for enhancing the reliable and efficient decoding of images of computer-readable symbols, which represent information encoded using a one- or two-dimensional visual symbology, are discussed. In accordance with one technique, prior to attempting to decode ...
02/15/2011
7878402Decoding distorted symbols
A method is provided for reading distorted optical symbols using known locating and decoding methods, without requiring a separate and elaborate camera calibration procedure, without excessive computational complexity, and without compromised burst noise handling. T...
02/01/2011
7857221RFID tag system
A system for applying radio frequency identification tags on which are disposed respective barcodes includes a processor and a plurality of representations of the items accessible by the processor. Each representation is associated with at least one of the barcodes ...
12/28/2010
7726572Bar code scanning decoding
A two dimensional symbol is decoded by forming a binary image that includes the symbol. The binary is used to generate symbol margins for use in digitization. By using the binary image to determine the symbol margins, margins can be located efficiently and in the pr...
06/01/2010
7690572Decoder board for an optical reader utilizing a plurality of imaging formats
The invention relates to a microprocessor-based decoder board for an optical reader having in one embodiment a plurality of imaging modules that provide frames of image data having a plurality of formats. In one method for operating the decoder board of the inventio...
04/06/2010
7658331Checkout device with hand grip
A checkout device which can be gripped for carrying, installation, and removal. The checkout device includes a generally L-shaped housing including a first housing portion suited to placement within a checkout counter, and a second housing portion mounted above the ...
02/09/2010
7591429Album providing system with function of registering/distributing contents and calendar providing system with function of registering/regenerating contents
An album providing system with a function of registering/distributing contents, having a contents registration/distribution apparatus comprising a registration unit which accepts registration of contents, and a distribution unit which distributes the registered cont...
09/22/2009
7584892Digital-imaging based code symbol reading system employing a plurality of coplanar illumination and imaging subsystems, each having a local object motion detection subsystem for automatic detecting objects within the 3D imaging volume, and a local control subsystem for transmitting object detection state data to a global control subsystem for managing the state of operation of said coplanar illumination and imaging subsystems
A digital image capturing and processing system comprising a plurality of coplanar illumination and imaging subsystem for producing a plurality of coplanar linear illumination and imaging planes which intersect within a 3D imaging volume defined relative to an imagi...
09/08/2009
7578444Methods and apparatus for dynamic signal processing
Methods and apparatus for providing dynamic signal processing with, in one exemplary embodiment, a fast swipe image scanner. Dynamic signal processing comprises determining the rate of motion of a dataform, for example a barcode, which is passed in front of the scan...
08/25/2009
7543748Method and system for creating and using redundant and high capacity barcodes
Methods and systems for creating and using redundant and very high capacity barcodes are presented. An individual barcode can include one or more finder patterns, one or more position detection patterns, one or more alignment patterns, one or more orientation detect...
06/09/2009
7455231System and method for locating a predetermined pattern within an image
Described is a method of locating a predetermined pattern. An image is divided into a predetermined number of areas. A search sequence indicative of an order in which the areas are to be analyzed for the predetermined pattern is determined. The areas in the search s...
11/25/2008
7451931Detecting barcodes on two-dimensional images using frequency domain data
A system and method of detecting a barcode involves obtaining a two-dimensional source image and converting it into a frequency domain image (FDI). Frequency trends in the FDI are then analyzed to determine whether barcode information is present in the FDI. In this ...
11/18/2008
7438231Method for detecting forged barcodes
A method of printing a two-dimensional barcode by tilting the print head, which results in tilted barcode, and methods of detecting various types of attempts to forge the tilted barcode including: (i) a low level forgery that consists of a simple scan and reprint of...
10/21/2008
7438232Two-dimensional code and information processing method
A two-dimensional code has an external shape which can be distinguished from the background by brightness or color, with an interior region, positioned a predetermined spacing away from the perimeter thereof, being divided into a plurality of smaller areas of a pred...
10/21/2008
7428996Method and system for encoding information into a bar code with different module size
Methods for generating and reading a two-dimensional barcode comprised of a number of data modules for storing a first encoded set of binary data and a second encoded set of binary data. The first set of binary data is encoded using a first data module size and the ...
09/30/2008
7428079Bar code reading device having partial frame image capture operating mode
There is described a bar code reading device capable of operating in a first image capture operating mode and a second image capture operating mode. The bar code reading device has a faster frame rate when operating in the first image capture operating mode than whe...
09/23/2008
7427028Methods and apparatus for reading bar code identifications
The invention provides methods and appartaus for analysis of images of two-dimensional (2D) bar codes in which a model that has proven successful in decoding of a prior 2D image of a 2D bar code is utilized to speed analysis of images of subsequent 2D bar codes. In ...
09/23/2008
7407104Two-dimensional code detector and program thereof, and robot control information generator and robot
A two-dimensional code detector detecting a two-dimensional code including a plurality of position identifying patterns and an information pattern and generating control information for an object provided with the two-dimensional code, the two-dimensional code detec...
08/05/2008
7398930Bar code reading device having image data in plurality of different formats
The present invention relates to a bar code reading device in which there is derived image data in a plurality of different formats. In one embodiment, first and second image data formats can be derived simultaneously from a video signal. Also, both of the first and...
07/15/2008
7383994Methods and systems for forming images of moving optical codes
Methods and systems form a decodable composite image of an optical code that experiences motion. A method according to one embodiment forms a first image of at least a first portion of the optical code at a first time and a second image of at least a second portion ...
06/10/2008
7380721Low-cost compact bar code sensor
A barcode sensor package has an optical emitter circuit and an optical detector circuit which are formed as one or more integrated optical circuits disposed in a housing which has a reading surface and one or more apertures located between the optical emitter and de...
06/03/2008
7377449Synchronous two-dimensional barcode system with all-around information, and reading method thereof
A system for a two dimension bar code for synchronous omni-directional information and its identifying method are disclosed with advantages of simple in identifying, low requirement on scanner synchronization and high in ability to identifying with anti-aberration. ...
05/27/2008
7370799System and method for printing images of machine readable symbols on a plurality of substrates
A method is provided for printing a plurality of images of a symbol that includes at least a two-dimensional machine readable symbol on a plurality of substrates or on a plurality of portions of a substrate so that the printable area of each substrate or substrate p...
05/13/2008
7370800Information processing method
Analyzing copyright information written in a predetermined position of an optically read two-dimensional code symbol (step S41). After that, performing analysis in accordance with the data type, e.g., URL non-display data (UND), text data (TXD), binary data (...
05/13/2008
7364079Tracking label
An improved tracking label may comprise a destination ZIP field (130), content identifier number (CIN) description field (115), and a barcode field (150). In addition, the improved label comprises at least one of a printer line field (105...
04/29/2008
7364081Method and apparatus for reading under sampled bar code symbols
The present invention is directed to a method for reading a bar code symbol with an optical reader. The method includes the step of scanning the bar code symbol to obtain a plurality of scan lines. Each of the plurality of scan lines includes a linear array of N-pix...
04/29/2008
7357322Optical code reading device having more than one imaging engine
A mobile computing device is provided having more than one imaging engine, and preferably, two imagining engines. Switching circuitry is provided for switching between the two imaging engines. Each imaging engine is optimized for use in specific applications and inc...
04/15/2008
7353999Graphical code reader configured for data collection and decoding
A graphical code reader includes an imager that provides image data corresponding to a two-dimensional image of a graphical code. The graphical code reader also includes a processor and memory in electronic communication with the processor. The graphical code reader...
04/08/2008
7350710Two-dimensional code extracting method
An image data is inputted by using a device such as a document scanner. The input image data is scanned in a square block unit of M×N pixels, and blocks that satisfy specific conditions is detected based on the scanning process. In one example, a ratio of white pix...
04/01/2008
7347375Reader for decoding two-dimensional optically readable information
An apparatus and method for reading optical information including a photosensitive system oriented to capture optical information. Also included is an optical system focusing optical information onto the photosensitive system, and a display oriented to display optic...
03/25/2008
7347371Aiming pattern for imaging-based bar code readers
An aiming pattern is used with an automatic focusing system for an imaging-based bar code reader. The combination of the thick horizontal line and the thin vertical line yields an aiming pattern that can be effectively used for ranging purposes while at the same tim...
03/25/2008
7347373Method and system for utilizing a digital camera for retrieving and utilizing barcode information
A method and system for utilizing an image capture device for obtaining information relating to an item having a barcode corresponding to a barcode number is described. The method and system includes capturing an image of the barcode and converting the image of the ...
03/25/2008
7343042Method and system for identifying a paper form using a digital pen
The present application describes systems and methods for composing documents using a digital pointing instrument. In further configurations, a user utilizes a pen to trace a form serial number that is utilized to identify a form template that is used to process inp...
03/11/2008
7341456Braille type device, system, and method
A Braille type device including printed or displayed matter on a medium in combination with printed or displayed Braille type code, preferably machine readable Braille type bar code. The Braille type system includes the combination of the Braille type device and a B...
03/11/2008
7337971Method and apparatus for capturing and decoding an image of a remotely located bar code
A method for remotely decoding a bar code includes capturing an image of a bar code using a camera, transmitting the image of the bar code across a network, receiving the image of the bar code at a remote location on the network, reproducing the image of the bar cod...
03/04/2008
7337970Barcode scanner decoding
A two dimensional symbol is decoded by forming a sub-sampled image that is used to generate symbol margins for use in digitization. The sub-sampled image is based on local levels of contrast in the symbol. By using a sub-sampled image derived from local levels of co...
03/04/2008
7337397Separation, transmission and display of character and non-character data
A portable terminal receives document data from a data transmission device, separates character area and non-character area from the received document data, designates a display method for data in correspondence with each area, and outputs to display the document da...
02/26/2008
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