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Match Document Document Title
7617983 Methods and apparatus for dynamic adjustment of scanner parameters  
Systems and techniques for improved accuracy of bar code detection and decoding are described. A bar code scanner employs a rotating spinner to reflect a laser beam used to produce one or more scan...
7556201 Device for reading a barcode  
A device for scanning and/or recognizing one or more barcodes includes a laser light source for transmitting laser light; a rotatable polygonal mirror for reflecting the transmitted laser light; a...
7552874 Optical scanner  
An optical scanner includes a scanner housing including a scan window, a laser light source, reflected light detector and a mirrored polygon spinner. The spinner is arranged both to spin around an...
7472832 Scanning apparatus for a forklift and method for identifying a pallet load  
A scanning device and an identification system that enable the operator of a materials-handling vehicle to identify and track goods by scanning labels or other identifying information from a remote...
7407103 Bioptical holographic laser scanning system  
A bioptical holographic laser scanning system employing a plurality of laser scanning stations about a holographic scanning disc having scanning facets with high and low elevation angle...
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...
7380719 Barcode scanner with configurable video modes  
A barcode scanner with configurable video modes which enhances readability of a wide range of barcode types. The barcode scanner includes a video circuit, and a configuration circuit for altering...
RE40102 Electro-optical scanner having stationary, multi-surface mirror having surfaces with aplanar profiles  
An optical scanner for reading indicia having areas of different light reflectivity, such as bar code symbols includes a stationary, multi-surface, fold mirror having a first surface of a first...
7316356 Optical scanner having a balanced mirrored spinner  
An optical scanner having a balanced mirrored spinner. The optical scanner includes a laser for producing a laser beam, a mirrored spinner for directing the laser beam to produce scanning light...
7296750 Inertial drive scanning arrangement and method  
A light scanning arrangement includes a frame or a base plate directly moved by an inertial drive in order to oscillate a scan element supported by a hinge on the frame at high scan rates and with...
7222793 Arrangement and method of imaging one-dimensional and two-dimensional optical codes at a plurality of focal planes  
A non-complex imaging arrangement is aligned along an imaging axis. A mirror assembly is configured to reflect an image from an optical axis, which intersects the imaging axis, toward the optics...
7195167 Modular omnidirectional bar code symbol scanning system with at least one service port for removable installation of scan module insert  
A modular omnidirectional laser-based bar code symbol scanning system having at least one scan module insert that is removably disposed (e.g., removably installed) within a system housing (or...
7188769 Laser scanner using rotating holographic optical element  
A scanning device adapted to scan an interface surface provided on a product item, the interface surface having disposed thereon coded data indicative of an identity of the product item, the...
7178734 Barcode scanner including a multitasking pattern mirror  
Barcode scanner including a multitasking pattern mirror which allows the size of a scanner to be reduced without decreasing performance. The bar code scanner includes a laser for producing a laser...
7128268 Bar code scanner having a mirrored spinner which operates at different speeds  
A bar code scanner has a housing including a surface having a transparent scanning window. The housing contains optical components including a spinner and pattern mirrors arranged to produce sets...
7111785 Compact, omni-directional scan pattern generator and method in a reader for electro-optically reading indicia  
A compact, omni-directional scan pattern generator for generating multiple scan lines used for electro-optically reading bar code symbols includes stationary light-folding mirrors arranged at...
7073716 Barcode scanner with dual-surface polygon  
A barcode scanner with a dual-surface polygon which increases total scan line length. The polygon includes generally planar walls arranged in a ring having first mirrored facets facing generally...
7051922 Compact bioptical laser scanning system  
A bioptical holographic laser scanning system employing a plurality of laser scanning stations about a holographic scanning disc having scanning facets with high and low elevation angle...
7051940 Data reader for multi-mode operation  
A data reader and method for data reading, such as a barcode scanner, wherein the scan pattern generating optics and other features are optimized for different modes of operation. In a preferred...
7007844 Reader for electro-optically reading indicia through vertical window at which full coverage, omni-directional scan pattern is generated  
A vertical slot scanner generates a full coverage scan pattern for reading symbols presented or moved past a vertical window. Scan lines are generated in upper and lower central regions of the...
6981643 Optical scanner for reading a barcode  
A barcode scanner includes at least a laser emitter, a collimator, a light condensing lens and a linear light receiver. When the scanning light beams from the laser emitter are projected onto a...
6932274 Vibration reduction in electro-optical readers  
Vibration is minimized in an electro-optical reader for reading indicia by oscillating a counterweight and a scan component to move simultaneously toward each other, and to move simultaneously away...
6905070 Bar code scanner  
A bar code scanner has a housing including a surface having a transparent scanning window. The housing contains optical components including a spinner mounted on a rotating motor; pattern mirrors...
6854655 Two window optical scanner  
The invention relates to a scanning device for reading bar code symbols, wherein the scanning device comprises a housing having a substantially horizontal surface and a substantially vertical...
6840453 Optical scanning apparatus  
An optical scanning apparatus, such as a bar code scanner, for reading 360 degrees of, e.g., tray commodities. A first scanning pattern is emitted almost in the horizontal direction to an...
6827271 Methods and apparatus for determining a position of a rotating optical element in a bar code scanner  
Techniques for determining a position for a rotating optical element, or spinner, of a bar code scanner are described. A diffractive element is positioned so as to be struck by a laser beam...
6820811 Dual focal length bar code scanner  
A bar code scanner and method of operation thereof is disclosed. The bar code scanner comprises a housing including a surface having a transparent scanning window; and optical components including...
6786413 Production of aiming spot with enhanced visibility in electro-optical readers for reading indicia  
Curved reflecting surfaces on a rotary scan component produce an aiming spot of enhanced visibility during a single scan line mode of operation for an electro-optical reader capable of reading bar...
6783074 Methods and apparatus for efficient use of space in arranging and configuring optical components of bar code scanners  
Techniques for arrangement of components in a bar code scanner so as to make efficient use of space are described. A scanner includes a single scan window, a laser source for producing a laser...
6722566 Electro-optical scan module using selectable mirrors  
Mirrors having different optical properties are selected to change the cross-section of a beam electro-optical reader for reading bar code symbols.
6708888 Reflection cowl for a bar-code scanner  
A reflection cowl for a bar-code scanner features that the light source wherein is a mono luminous element of light-emitting diode (LED) with a reflection cowl disposed in the rear aspect thereof,...
6651889 Methods and apparatus for obtaining and maintaining position information for a rotating optical element in a bar code scanner  
Techniques for determining a position for a rotating optical element, or spinner, of a bar code scanner are described. A diffractive element is positioned so as to be struck by a laser beam...
6631844 Optical scanner, code reader and bar code reader having increased degree of freedom in placement of optical parts  
A multi-head optical scanning device used for a bar code reader having a reduced thickness and realizing more complete 360° bar code reading. The scanning device includes a bottom part, a side...
6547144 Holographic laser scanning system for carrying out light collection operations with improved light collection efficiency  
A holographic laser scanning system for carrying out laser beam scanning operations with improved light collection efficiency. The holographic laser scanning system comprises: a housing of compact...
6543694 Extended coverage barcode scanner  
A spinner for a barcode scanner includes a plurality of mirror facets arranged oppositely in pairs in a polygon, with adjoining facets having different angles of inclination and different lengths...
6502753 Compact dual aperture scanner  
A compact dual aperture scanner is disclosed. The scanner includes a horizontal cabinet including a horizontal aperture and a vertical cabinet including a vertical aperture. The vertical cabinet...
6427916 Polygonal mirror unit, optical scanning apparatus and bar code reader  
A polygonal mirror unit having a base with a plurality of reflection surfaces. The polygonal mirror unit further includes a plurality of mirrors which have upper ends and lower ends and forms the...
6412696 Countertop projection laser scanning system for omnidirectional scanning of code symbols within a narrowly-confined scanning volume projected above a countertop surface  
A projection laser scanner produces an approximately columnar scanning volume for scanning code symbols therein, while preventing unintentional scanning of code symbols on nearby objects located...
6390369 Streamlined scanner spinner  
A spinner for a barcode scanner includes mirror facets arranged in a polygon about a rotary axis. A fairing extends radially outwardly from adjacent the facets, and is circumferentially truncated...
6318634 Speed variable angle facet wheel for scanner  
A scan mechanism and method of scanning in which the sides of the scanning mirror have variable facet angles movable between at least two positions for providing multiple reflection angles for the...
6230976 Pinless dithering assembly for data reading  
A scanning system and method of data reading in which the scanning system is provided with a dithering assembly that is compact, easy to assemble, and configured to protect the more delicate...
6188500 Method for generating multiple scan lines in a thin scanner  
A method of and system for generating multiple parallel scan lines, for a thin, narrow height scanner by generating a reading beam, using a suitable scanning mechanism to scan or dither the reading...
6076735 Bar code scanning apparatus having a plurality of fixed mirrors which reflect scanning beams in orthogonal planes  
A bar code scanning apparatus having a laser beam source 1, a scanner 7 for scanning a laser beam 2 emitted from the laser beam source 1 in an scan angle range of -θ 1 to +(θ 1 +θ 2 ) relative...
5988508 Laser scanning system and scanning method for reading 1-D and 2-D barcode symbols  
A reader for electro-optical reading bar code symbols of reduced height, comprises a light source for generating a light beam along an optical path; a pair of oscillatable reflectors in the optical...
5975418 Bar code scanner with increased number of scanning beams having different directions  
A bar code scanner has an increased number of outgoing beams and number of directions of the beams effective for reading of a bar code. The bar code scanner includes a light source for generating a...
5929424 Method and apparatus for reading a code provided on a code carrier  
A method and also an apparatus for reading a code provided on a code carrier and consisting of bright and dark fields is described, in which the code (14) is sensed by a laser beam, and the light...
5869827 Multiple window scanner and method for multiple focal distance reading  
A multiple window data reading device and method for reading symbols such as bar codes through each window, data reading being focused to different focal distances in the scan volume with sensors...
5723852 Checkout counter scanner having multiple scanning surfaces  
A bar code scanning system such as for use in retail checkout having a scanner housing; a plurality of surfaces facing a scan volume from different directions; and sets of pattern mirrors...
5665954 Electro-optical scanner module having dual electro-magnetic coils  
A scanner module for directing a light beam to scan an optically encoded symbol includes a scanner component and a permanent magnet mounted for joint oscillatory motion on a support to scan the...
5610385 Optical bar code scanner which produces substantially perpendicular scan lines  
An optical bar code scanner which produces substantially perpendicular scan lines having an optical power sufficient to read bar code labels substantially perpendicular to the scanner. The scanner...
Matches 1 - 50 out of 75 1 2 >