Matches 1 - 50 out of 115 1 2 3 >
Match Document Document Title
7422155 Image printing method and apparatus which can detect edge of printing medium while reading barcode on printing medium using one sensor  
An image printing method and apparatus which can detect the edge of a printing medium on which a barcode is written while reading the barcode using one sensor unit. The apparatus for printing an...
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...
7380725 Enterprise-wide networked system and method for managing and displaying price and product information  
A digital display unit (DDU), which may be integrated into an enterprise-wide networked system for managing and displaying price and product-related information, is adapted to wirelessly receive...
7108187 Method of reading a plurality of bar codes during a scanning motion  
A method of reading a plurality of bar codes during a scanning motion across a bar code scanner which enhances scanner operation. The method includes the steps of obtaining data from a detector in...
7104453 Unitary package identification and dimensioning system employing ladar-based scanning methods  
A fully automated package identification and measuring system ( 300 ), in which an onmidirectional holographic scanning tunnel ( 100 ) is used to read bar codes on packages entering the tunnel,...
7077322 Bar-code reader  
An extractor extracts a part that is apparently a bar-code signal from a signal that is subjected to opto-electric conversion. A narrow-band differential processor forms a waveform of an edge by...
7000839 Automated method of and system for identifying and measuring packages transported through a laser scanning tunnel  
A fully automated package identification and measuring system, in which an omni-directional holographic scanning tunnel is used to read bar codes on packages entering the tunnel, while a package...
6964375 Method of and apparatus for reading  
The apparatus has an optical unit for optically reading the article barcode provided to the article. The controller sets operation standard as the reference for occurrence of barcode reading...
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...
6722568 Methods and apparatus for detection and processing of supplemental bar code labels  
A system for improved detection and decoding of a supplemental bar code label accompanying a primary bar code label is described. A supplemental label is affixed to a product in the vicinity of a...
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...
6527179 Bar-code reader and controlling method therefor  
In a bar-code reader in a POS system, bar-code data is compared with the just previously read bar-code data to detect whether they are identical or not, and if the bar-code data is not identical to...
6520414 Laser beam scan type barcode reader and program recording mediums  
A laser beam scan type barcode reader which reads a pair of spaced marks which adjusts or specify corrects start and stop positions of the laser beam irradiation. The distance between the pair of...
6508404 Symbology scanning system for efficiently locating coded symbologies  
A scanner for optically scanning coded symbologies including a signal processing unit for pre-processing the scanned symbology information and a hardware symbology locating unit. An analog signal...
6499662 Fast edge detection system tolerant of high degree of intersymbol interference  
A system and method for improving the accuracy of edge detection under high Inter-Symbol Interference, or ISI, conditions is disclosed. The amplified and filtered first derivative signal is offset...
6484944 Optoelectronic device for acquiring images of planes, such as bar code symbols  
An optoelectronic device for acquiring images of planes, such as bar codes, includes a deflector for deflecting an incident beam emitted by a light source such as an oscillating or rotating cyclic...
6478224 Symbology-independent method and apparatus for identifying potential bar code data  
Systems (apparatus and methods) for reading bar code data detect light reflected and/or refracted from a target. The detected light is converted into an electrical signal containing width values...
6386452 Image reading device with improved controller  
An image reading device is provided in which a number of degrees of freedom in control at a time of reading is increased. A plurality of light emitting elements, which emit light of different...
6382511 Methods and apparatus for digitizing and processing of analog barcode signals  
A system for digital barcode processing. A light reflected from a barcode is captured by a photodetector to produce a photocurrent. The photocurrent is converted to a voltage, amplified and...
6354503 Bar code online scanner/verifier  
A bar code scanner/verifier rapidly analyzes reflections of a scanning laser beam to determine whether or not a scanned line portion contains a bar code, so analysis of a bar code begins only when...
6126075 Optical code reader including circuitry for processing the read symbology  
An amplifier has an input responsive to an optical detector. An analog-to-digital converter is responsive to an output of the amplifier. A processor activates an optical emitter, and reads a first...
6059187 Apparatus for and method of detecting bar code  
Bar with count values indicating widths of white and black bars, which are reciprocally obtained, are input to buffers connected in series at 16 stages. The bar width count values written to those...
5988507 Bar code reader  
A fragmentary pulse width data train extractor scans a bar code label on a moving article with a scan beam projected onto the bar code label. The extractor receives the reflection of the scan beam,...
5866893 Method and device for reading a bar code  
A method and an apparatus are set forth for the reading of a bar code consisting of a predetermined number of code elements in which a bar code reader which scans the code elements generates a...
5821520 Bar code scanning system with the pre-decoding signal processing and method for bar code candidate selection for decoding  
A system for processing output signals of an electro-optical scanner adapted for reading a bar code indicia having parts of different light reflectivity and non bar code indicia adjacent the bar...
5708261 Bar code decoding with speed compensation  
A method for dynamically establishing a plurality of threshold values for use in decoding a bar code symbol having a plurality of characters where each character includes a plurality of wide and...
5670771 Apparatus for reading a bar code  
A DMA controller DMA-transfers a bar width data set generated by a bar width counter to an external RAM. The DMA controller simultaneously DMA-transfers the bar width data set written in the...
5504320 Bar-code information reading apparatus  
The intensity of light reflected from a bar code constructed by bars and spaces is time-sequentially detected by use of a line sensor, sample-and-hold circuit and binary-coding circuit. Data...
5473148 Barcode symbol reading system capable of shortening time for reading and decoding  
In a barcode symbol reading apparatus which can execute high-speed processing even when a one-dimensional image pickup device is used, a pulse width count circuit counts the number of widths of...
5442164 Bar code reader for reading two-dimensional bar codes by using length information derived from a sensed signal  
The image of a bar code on a bar code label is picked up by a linear sensor while scanning in the X and Y directions is performed by a stage. An analog video signal from this linear sensor is...
5440111 Optical system for scanning and reading barcodes with manually controlled scan beam length  
A unitary hand-held bar code scanner and reader produces an elliptical beam, oriented with its major axis along the direction of the bars, utilizing optics employing far field diffraction effects...
5420943 Universal computer input device  
The invention is a universal input device for a computer which can be either used as a point-and-click bar code reader, a bar code scanner, mouse, handwriting input, or text scanner, all from an...
5369260 Bar code scanning with correction for spot speed variation  
Bar code scan data is corrected for spot-speed variation by processing the data to determine a spot-speed profile having non-zero acceleration within at least some of the characters of the bar code...
5331142 Scan velocity detector and code reader using the same  
A scan velocity detector for detecting scan velocity when a surface of an object is scanned with a beam of light generated by a light-projecting element; the scan velocity detector comprising...
5331141 Bar code reader and game set using the same  
Bar code data read from a bar code card (4) by a bar code reader (1) is inputted to a data processor (3). In this data processor (3), noise included in the bar code data is extracted or detected....
5302814 Bar code reading apparatus  
A bar code reading apparatus includes a light source for illuminating a bar code, a light receiving part for receiving reflected light from the bar code and for subjecting the received reflected...
5262625 Multiple bar code decoding system and method  
There are disclosed a system and method for decoding data read from a plurality of different types of bar code labels which includes circuit means for detecting the occurrence of two equal...
5247161 Bar code scanning system with converter means and microprocessor means contained in a single integrated circuit  
A system for scanning bar code labels and for providing data related thereto includes scanning means for optically scanning bar code labels and providing an electrical, binary scan signal in...
5245167 Bar-code reading apparatus  
A bar-code reading apparatus in which a bar-code is scanned and processed for recognition of the bar-code on the basis of the scanning comprises scanning signal storage means for storing scanning...
5210411 Detection mark and method and apparatus for detecting mark  
A detection mark comprising a pattern formed from a thin phosphor layer which emits a light having a different wavelength from that of an excitation light irradiated on a surface side of the...
5179269 Bar code reader having an automatically actuated visible light laser beam  
A wand type bar code reader has a semiconductor laser which emits a visible laser beam in order to read bar code information of an object based on scanning of the visible laser beam and a control...
5144118 Bar code scanning system with multiple decoding microprocessors  
A system for scanning bar code labels and for providing data related thereto includes scanning means for optically scanning bar code labels and providing an electrical, binary scan signal in...
5038023 System for storing and monitoring bar coded articles such as keys in a drawer  
A secure storage system for keys or similar articles has an locked storage module with a drawer. A horizontal drawer shelf holds a plurality of cards in numbered slots. Each card has a...
4900941 Method and apparatus for verifying indicia correctly provided on an object  
A technique for verifying that indicia, such as print indicia, are provided at the correct location(s) on an object. Relative movement between the object and a sensor is provided. If sensed indicia...
4859840 Code reading apparatus  
A code reading apparatus of a bar code reader which has detecting means for outputting a reading signal responsive to the code displayed on a medium, edge detecting means for detecting the edge of...
4855581 Decoding of barcodes by preprocessing scan data  
Scanned barcodes represented by an electrical signal are preprocessed in a PLA and delivered to a microprocessor in a form that permits efficient final processing of the data. High speed edge...
4782220 Method and apparatus for bar code data autodiscrimination  
An improved method and apparatus for the autodiscrimination of barcodes is described. First, an interrupt driven technique for timing the duration of space and bar barcode data is described which...
4761544 Means and method of scaling time interval measurements from an optical bar code scanner to improve decoder efficiency  
A bar code decoder transforms the output from a wand scanner so that it has the same characteristics as the output from a laser scanner. Once this transformation is accomplished, decoding is done...
4746789 Reading device for bar codes  
The code is scanned along at least four non-coincident parallel lines in a bar code reading device. The actual processing is started when a margin of sufficient width is detected. The width of the...
4713785 Method of inhibiting processing of duplicative coded label signals  
A system is disclosed for preventing processing of duplicative coded label signals generated by a scanner lacking item detectors. The system establishes a variable lockout time as a function of...
Matches 1 - 50 out of 115 1 2 3 >