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7387251 |
Bar code recognition method and system for paper handling equipment
A method and system for reading various codes, such as codes imprinted on an item, includes a first and a second code reader that each scan the code on the item to read the code. The data obtained...
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7380721 |
Low-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...
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7354000 |
Method and system for sensing a barcode
A method and system used in the barcode sensing process are disclosed, in which at least two instances of an optical signal are obtained from the same barcode in different time periods, and...
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7344080 |
Imaging-based bar code reader utilizing stitching method and swipe guide
An imaging-based bar code reader that includes an item guide to guide movement of an item including a target bar code such that target bar code passes through a field of view of the reader in a...
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7337970 |
Barcode 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...
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7314175 |
Methods and apparatus for improved use of partial bar code information to decode a complete bar code
Systems and techniques for stitching together partial bar code segments to construct and decode information for a complete bar code. As a scanner operates to generate a scan pattern, information is...
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7303130 |
Method and device for recording of data
The invention relates to a method for recording a bar code comprising a plurality of base elements. A reading device generates a sequence of partially overlapping images which together reproduce...
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7212682 |
Method and system for enhancing measurement
A method and system for enhancing measurement of a bar code or other object includes storing a pixel image containing a bar code; determining bar code orientation relative to the stored pixel...
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7017818 |
Bar code scanner and method with magnetic and optical readers
An improved card scanner for imaging and decoding indica such as bar codes on a side surface of an inserted card. The device is electrically powered and features a double scanning method using an...
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7007846 |
Omnidirectional reading of two-dimensional symbols
A method and apparatus for aligning a scan pattern to a two dimensional bar code having parallel rows of codewords. The two dimensional bar code is scanned with a scanning pattern oriented such...
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7000838 |
Method for assembling fragments of scanned data
A method for processing scanned code data, including a plurality of strings, to determine whether the scanned code data is part of a valid code begins by examining a first string of a first scanned...
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6880757 |
Device and process for reading out identification information on reticles
A device for reading and identifying a plate, with a camera means ( 100 ) with an optical device ( 110; 112, 114 )) for digital image recording and an image processing device for the analysis of...
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6857567 |
System and method for training and monitoring data reader operators
A scanner or other data reader is equipped with means for determining characteristics of an operator's scanning technique. In a preferred configuration, the scanner is integrated with a weigh scale...
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6820807 |
Variable formatting of digital data into a pattern
A method of formatting digital data and a method of decoding the formatted digital data. User selectable format parameters vary the dimensions and other attributes of spots and the cells containing...
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6814289 |
Self-registering spread-spectrum barcode method
A novel spread spectrum barcode methodology is disclosed that allows a barcode to be read in its entirety even when a significant fraction or majority of the barcode is obscured. The barcode...
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6802452 |
Bar code scanner and method
An improved card scanner for imaging and decoding indica such as bar codes on a side surface of an inserted card. The device is electrically powered and features a double scanning method using an...
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6802450 |
Guiding a scanning device to decode 2D symbols
To facilitate the decoding of a 2D symbol (e.g., PDF417), a plurality of positioning lines are attached to the 2D symbol. Depending on implementation, these substantially parallel positioning lines...
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6764011 |
Graphics code system
A bar code system is composed of a bar code display device 100 and a bar code reader 110 . The bar code display device 100 has a operation unit 101 which divides transfer information to be...
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6758400 |
Dual bar code reading system for a data storage system
A bar code reading system comprises a first bar code label and a second bar code label. The first bar code label is positioned on an object at a first location and in a first orientation. The...
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6742710 |
Method of reconstructing successive scans of a bar code
A method of reconstructing successive scans of bar codes having a plurality of dark elements separated from light elements, comprising the steps of: performing a first scan of the bar code thereby...
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6715686 |
Device for recording information in different modes
A device for recording information has at least one light-sensitive sensor ( 8 ) with a two-dimensional sensor surface. The device is adjustable between a first mode and a second mode. In the first...
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6698656 |
Scanning and decoding control for an optical reader
An optical reading system comprising an optical reader and a host processor. In one aspect of the invention, the host processor may be configured to transmit a component control instruction in...
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6695210 |
Bar code reader and bar code reading method
A bar code data detecting section of a bar code reader scans a bar code twice or more and detects multiple pieces of bar code data, and a decoder decodes the bar code data, Then, a first judging...
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6688524 |
Method for reconstructing a bar code through consecutive scans
The method for reconstructing a bar code through consecutive scans comprises the following steps: a) carrying out at least one scan of the bar code; b) determining a reconstructed wave form...
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6669091 |
Scanner for and method of repetitively scanning a coded symbology
A scanner can read machine-readable code on an object. A scanner has a scanning device, a data device, and a registration device. The scanning device can repetitively scan the code and provide a...
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6597465 |
Automatic mode detection and conversion system for printers and tag interrogators
An apparatus, such as a printer or reader receives a data stream from a memory, such as from an RF or photonic memory, and compares portions of the data stream to a table of data. If a portion of...
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6572017 |
Optical device employing a mirror array for increasing the apparent resolution of a photosensor
The present invention relates to a dataform reading module. At least one photosensor provides a plurality of different zones for image capture. A lens focuses a respective image representing a...
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6550682 |
Bar code reading method, bar code reading apparatus, and program thereof
A designated code has been set at a predetermined digit position of a main portion of a bar code that contains a supplemental portion. A main portion analyzer analyzes the main portion. A...
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6540143 |
System and method for recovering bar code errors
A system and method that facilitates the recovery of bar code scanning errors due to irregularities in the bar code. When a bar code scanning error occurs, the system displays the erroneously...
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6523748 |
Substrate for exposure, readout method and apparatus for the substrate, exposure apparatus, and method for producing semiconductor devices using the exposure apparatus
An exposure substrate of the invention is characterized in that at least one mark representing information related to the exposure substrate is provided on a part of the exposure substrate, and at...
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6513715 |
System and methods for collaborative bar code error detection and correction
A system for collaborative bar code error detection and correction comprises a network of individual scanning entities for scanning bar-coded labels. Each individual scanning entity includes a...
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6494376 |
Compensation for scan line variations in a bar code scanner system
In a bar code scanning system, information at the leading and trailing ends of a label is corrected to adjust for distortion due to mechanical aspects of the scan line mechanism that might...
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6454168 |
Correlation and stitching techniques in a bar code scanning system
In a bar code scanning system, correlation and stitching techniques, both at the character and element level are utilized to assemble complete label information from partially scanned label...
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6450405 |
Optical code reader using binarization circuit and binarization circuit
A differentiation signal DF differentiated by a differentiation unit is inputted to a slice level generation unit and to comparators. A first peak-hold circuit and a voltage division circuit...
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6394349 |
Optical information reader and recording medium
An optical information reader which can promptly eliminate mirror reflection regions with high accuracy without the need for a plurality of expensive CCDS. When it is discriminated that mirror...
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6332574 |
Method of reading bar code
A method of reading a bar code having guard bars at both sides thereof without fail even if the bar code image is highly distorted. An image region taken in by a CCD camera is scanned in horizontal...
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6328213 |
Method of processing an analog electrical signal containing information representative of reflected light from coded indicia, wherein the electrical signal contains edge transitions
Processing an analog electrical signal containing information representative of reflected light from indicia including regions of different light reflectivity, wherein the analog electrical signal...
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6325288 |
Self-contained scanning and verifying apparatus with movably mounted scanning unit
A print quality verifying apparatus, and methods of operation, for producing a plurality of substantially parallel and preferably equally spaced scans taken along a height of a data carrying...
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6321988 |
Optical device employing a piezoelectric reflector array for increasing the resolution of a photosensor
The present invention relates to a dataform reading module. At least one photosensor provides a plurality of different zones for image capture. A lens focuses a respective image representing a...
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6290135 |
Multiple source/dense pattern optical scanner
A method of and a system for generating a dense pattern of scan lines. In a preferred configuration, multiple laser beams are formed and directed along offset outgoing paths onto a scanning...
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6267293 |
Bar code scanning system and method
A bar code scanning system and method for scanning a bar code containing a key including successively scanning the bar code and providing, for each scan, a plurality of data elements forming a scan...
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6234392 |
Apparatus for issuing and/or reading recording medium and recording medium recorded with digitally coded signal
An apparatus for issuing a recording medium recorded with digitally coded signals, is provided with a data processor for dividing digital data into a plurality of blocks, multiplexing the blocks...
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6206289 |
Scanner
A scanner can read machine-readable code on an object. A scanner has a scanning device, a data device, and a registration device. The scanning device can repetitively scan the code and provide a...
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6189792 |
System and methods for exemplar based bar code error detection and correction
The present invention provides a system for correcting improperly printed or otherwise defective bar codes. The system scans a bar code and determines whether the scanned bar code data is correct....
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6129280 |
Optical code reading method and device
The reading method includes the step of successively performing a first and at least a second scan of an optical code along a first and, respectively, second scanning line parallel to each other....
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6098892 |
Device for conversion from a pharmaceutical identification number to a standardized number and method for doing the same
A device and method is provided for converting product-specific identification numbers associated with bar code indicia on pharmaceutical products to an industry standard identification number. The...
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5998752 |
Sorting system
There is disclosed a sorting system, relying on the identification of items to be sorted by means of codes applied thereto, in which it is possible to infer the identity of items whose codes have...
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5979768 |
Enhanced bar code resolution through relative movement of sensor and object
An improved method and apparatus for enhancing the resolution of an image of an object by a sensor is described by operating the sensor to capture a two-dimensional image of the object. In...
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5942741 |
Apparatus for optimizing throughput in decoded-output scanners and method of using same
A method and apparatus for optimizing the data throughput of decoded-output scanners by maintaining a tracking relationship between the scanning and decoding operations thereof. Data is scanned...
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5936224 |
Method and apparatus for reading machine-readable symbols by employing a combination of multiple operators and/or processors
A method and apparatus for reading data collection symbols initially samples and preferably stores an image of light reflected from the symbol. An initial portion of the symbol in the stored image...
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