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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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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...
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7331525 |
Cradle/polygon scanner
A dual mode cradle, base station having a re-charging mode and a transmitting mode for wireless communication with a remote device and recharging a handheld scanning device is provided. The dual...
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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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7232071 |
Scanned beam imager
A scanned beam image capture apparatus is adaptable to use in medical imaging applications.
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7137560 |
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 to spin around both a...
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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...
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7128267 |
Device for optical scanning of objects, especially markings
A device for optical scanning of markings, such as barcodes, has at least two transmitters ( 10, 20 ) that send light beams ( 12, 22 ) at different angles toward a rotating polygonal mirror ( 30 ),...
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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...
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7100832 |
Bioptical laser scanning system providing 360° of omnidirectional bar code symbol scanning coverage at point of sale station
A bioptical laser scanning system employing a plurality of laser scanning stations about a two independently controlled rotating polygonal mirrors. The system has an ultra-compact construction,...
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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...
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7051939 |
Bar code scanner with laser beam oscillator
A bar code scanner with laser beam oscillator which rasters a laser beam to produce more scan line coverage. The bar code scanner includes a laser for producing a laser beam, a mirrored spinner,...
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7051938 |
System and method for a multi-directional imaging system
An electronic device ( 100 ) and a method for use thereof having an integral camera ( 102 ) for taking pictures from multiple sides of the electronic device. The electronic device ( 100 ) has a...
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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...
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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...
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6866197 |
Optical scanner having enhanced item side coverage
An optical scanner having enhanced item side coverage which scans all six sides of an item and an intermediate side. The optical scanner includes a scanner housing, a first optics assembly within...
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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...
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6854649 |
Optoelectronic device
An optoelectronic device for detecting marks having defined contrast patterns includes a transmitter for emitting transmitted light beams having a wavelength λ in a range of 350 nm ≦λ≦450 nm....
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6822774 |
Optoelectronic device
An optoelectronic device for detecting labels with defined contrast patterns includes a transmitter for emitting light rays, a receiver for receiving light rays, as well as a deflection unit with a...
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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...
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6809847 |
Scanner with synchronously switched optics
A method of and system a system for generating scan lines having different beam characteristics. In one embodiment, the beam is focused at different distances depending upon the scan line. A system...
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6808115 |
Quasi-coaxial optical bar code reader
The present invention provides an inexpensive scanner that can scan at near to medium focal lengths. A light beam is generated to illuminate a target area on the scanned object. A mirrored surface...
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6728015 |
Bar code reader
A bar code reader having two reading windows, i.e., a bottom window and a side window. An increased number of scanning lines are used for constituting scanning patterns for scanning bar codes, and...
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6687033 |
Optical scanning device
An optical scanning device has a light transmitter and a light receiver which are arranged in spatial proximity to one another and which each comprise a deflecting device with which a scanning...
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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...
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6581835 |
METHOD OF AND SYSTEM FOR SCANNING BAR CODE SYMBOLS USING A LASER SCANNING PATTERN HAVING MULTIPLE FOCAL ZONES, WHEREIN THE MINIMUM BEAM DIMENSION/MINIMUM BAR WIDTH (MBD/MBW) RATIO IS GREATER THAN OR EQUAL TO 2.0
A multi-focal zone laser scanning system for scanning bar code symbols having a minimum bar element width (MBW). The multi-focal zone laser scanning system comprises a laser beam producing device...
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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...
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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...
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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...
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6422467 |
Reading system a variable pass-band
The effects of papers/substrate noise are significantly reduced in multi-focal zone laser scanning systems by processing analog scan data signals with a scan data signal processor having a...
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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...
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6357661 |
Device for scanning bar codes
A scanning device for recognizing and reading bar codes is configured to have a housing that can be mounted on a scanning surface or beneath the scanning surface. The housing contains an internal...
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6332577 |
System and method for converting multiple beam optical scanner
A system for and a method of optical scanning which provide for converting between a multiple beam and a single beam optical scanner. In a preferred configuration, the scanner can be adapted to...
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6290132 |
Holographic-based bar code symbol position detection system for producing bar code symbol position data specifying the position of a detected bar code symbol within a 3-D scanning volume above a conveyor belt structure
A laser scanning system capable of producing information specifying the subregion of space within a 3-D scanning volume within which a bar code symbol is detected by a laser scanning pattern. The...
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6237851 |
Dual mode barcode scanner
A barcode scanner includes a laser for emitting a laser beam toward a rotary spinner. The spinner includes a plurality of mirror facets for reflecting the beam in turn therefrom towards a plurality...
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6189795 |
Multiple plane bar code reader for reading optically encoded data
A bar code reader having two reading windows, i.e., a bottom window and a side window. An increased number of scanning lines are used for constituting scanning patterns for scanning bar codes, and...
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6045046 |
Full coverage barcode scanner
A barcode scanner includes a laser for emitting a laser beam toward a rotary spinner. The spinner includes a plurality of mirror facets for reflecting the beam in turn therefrom towards a plurality...
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5932861 |
Ambient light detector, light source lighting controlling device, and reader
The present invention relates to an ambient light detector that detects a change in light amount of ambient light. The ambient light detector consists of ambient light detecting means for detecting...
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5859417 |
Optical scanners having dual surface optical elements for dual working ranges
An optical scanner such as a bar code scanner includes a segmented fold mirror, the individual sections of which have different profiles. By directing the scanning laser beam across the fold...
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5663550 |
Multiple-directional laser scanners
An optical scanner for a bar code reader has a rotary driving motor which drives a carrier to rotate about a principal axis, the carrier carries mirror means which is pivoted about a scan axis at...
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5600120 |
Helical scanning pattern generator
Scanning apparatus to scan an object by means of a light beam, including at least one mirror (2), which, during operation, is driven by a drive to make a combined movement of a continuous rotation...
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5559320 |
Mounting and balancing system for rotating polygon mirror in a bar code scanner
Apparatus and method for detachably mounting and balancing a polygon mirror body onto a rotating motor hub to reflect a scanning beam of light used in reading bar codes. A bowed retaining ring...
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5555125 |
Optical scanner
Optical scanner having a laser source for generating a laser beam, a first deflector for deflecting the laser beam towards an array of reflectors, the first deflector and the array of reflectors...
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5498862 |
Side scanning bar code reader with vertical and horizontal scan patterns
An optical bar code scanner has a laser for generating a coherent light beam, and a multifaceted rotatable mirror for scanning the beam. The scanned beam is reflected from at least three fixed...
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5484990 |
Multiple depth of field laser optical scanner
A multiple depth of field optical scanner which produces a plurality of scan beams having different focal distances. The optical scanner includes a laser beam having a centerline, a mirrored...
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5446267 |
Laer-beam bar code reader
Bar code reader including two sources which are enabled to emit respective laser beams with a cyclic alternation; the laser beams are focused by optical elements on two different regions of a read...
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5426288 |
Bar code reader and reading method using single laser light source for both reading information and measuring distance
An optical information reading method and device which prevents the generation of erroneous reading by specifying a reliable reading range for a bar code or like information. A microcomputer...
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5393968 |
Method and device for reading bar code
The present invention relates to a bar code reading method and a bar code reader applied preferably to POS systems used in the distribution industry. The object of the invention is to achieve an...
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5371361 |
Optical processing system
A method and apparatus for holding an otherwise variable parameter in a scanner approximately constant over a desired scan volume to improve the ability to compensate for unwanted variations in the...
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5365049 |
Focusing means for a symbol code reader
Focusing system for a bar code reader, comprising a lens system, wherein for varying the focal length the focusing system is provided with a reflector rotatable around a rotational axis, the...
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