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7389931 |
Beam-forming aperture for barcode applications
In one embodiment, a system is provided that includes: a laser source is provided that producing a laser beam that diverges in a first direction and in a second direction orthogonal to the first...
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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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7367510 |
Monitoring light beam position in electro-optical readers and image projectors
An arrangement for determining light beam position in an electro-optical reader, image projector and like devices includes a drive for moving a scanning light beam at a scan frequency across a...
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7360704 |
Scan engine with guiding light beams
A method for reading symbols having data identifying characteristics is provided. The method includes the steps of: providing a nose portion that forms part of a symbol capture device. The nose...
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7318552 |
Apparatus for reading codes
Apparatus for reading codes for capturing one- and/or two-dimensional codes located at varying distances. A light receiver is arranged in a housing that also includes a projection optics and a...
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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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7311260 |
Camera positioning and confirmation feedback system
An apparatus is disclosed comprising a base capable of receiving a camera including a lens, and a projector coupled to the base and adapted to project a plurality of beams of light onto a plane...
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7252236 |
Methods of driving a scanning beam device to achieve high frame rates
The present invention provides methods and systems for scanning an illumination spot over a target area. The present invention removes stored energy from a scanning element to stop the scanning...
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7219842 |
Scanning unit suitable for applications with a high-speed scanning requirement
A scanning unit includes a lamp-mounting body having a top surface formed with an elongate opening that is disposed between a pair of parallel first and second grooves. First and second reflective...
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7209271 |
Multiple beam scanning imager
A display apparatus includes a scanning assembly that scans about two or more axes, typically in a raster pattern. A plurality of light sources emit light from spaced apart locations toward the...
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7204424 |
Retro-reflective scanner having exit window with positive optical power
A portable electo-optical scanner for reading a target bar code having a plurality of bar code elements. The portable scanner includes: a housing supporting a scanning module and an exit window....
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7204422 |
System, circuit, and method for edge detection in a binary optical code
Systems process an input signal, derived from a binary optical code, having a series of multiple successive local peaks of the same given polarity. The circuit comprises a peak detector, a node in...
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7198195 |
Multiple plane scanning system for data reading applications
An optical system and method for data reading. A preferred system is directed to a scanner which includes a laser diode and a beam splitter for generating first optical beam and a second optical...
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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...
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7170414 |
Systems and methods for optical reading and EAS tag sensing and deactivating at retail checkout
Methods of operation of a data reader and security tag deactivation system whereby a data reader such as a barcode scanner is equipped with EAS deactivation coils or modules disposed in the...
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7159781 |
Scanning unit for a position measuring device
A scanning unit for a position measuring device for scanning a measuring graduation thereof, includes a scanning structure provided on a carrier and formed such that, by interaction of...
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7159764 |
Versatile window system for information gathering systems
A method and apparatus for permitting a base housing to support a plurality of different product configurations. Some of the configurations include different types of optical indicia readers. The...
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7152796 |
Bar code symbol scanning system having multiple scanning stations for producing a 3-D scanning volume free of substantially and temporally coincident scanning planes
A holographic laser scanner of ultra-compact design capable of reading bar and other types of graphical indicia within a large scanning volume using holographic optical elements and visible laser...
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7143949 |
Internet-linking scanner
A scanner is programmed to extract a machine-readable identifier (e.g., encoded in watermark or barcode form) from an object, and transmit same to a remote computer (e.g., over the Internet). The...
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7132947 |
Systems and methods for data reading and EAS tag sensing and deactivating at retail checkout
Methods of operation of a data reader and security tag deactivation system whereby a data reader such as a barcode scanner is equipped with EAS deactivation coils or modules disposed in the...
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7131586 |
Method of and apparatus for reducing speckle-pattern noise in a planar laser illumination and imaging (PLIIM) based system
Methods of and systems for illuminating objects using planar laser illumination beams having substantially-planar spatial distribution characteristics that extend through the field of view (FOV) of...
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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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7118042 |
Method and apparatus for rapid image capture in an image system
Embodiments of a method, apparatus, and article of manufacture for rapidly capturing images in an automated identification system to effectively extend one dimension of a field of view of an image...
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7104455 |
Planar light illumination and imaging (PLIIM) system employing LED-based planar light illumination arrays (PLIAS) and an area-type image detection array
Methods of and systems for illuminating objects using planar light illumination beams having substantially-planar spatial distribution characteristics that extend through the field of view (FOV) of...
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7077324 |
Multi-line barcode scanner with no moving parts
The multi-line barcode scanner with no moving parts includes a light source, a light condensing lens and a linear light receiver. When scanning light beams (maybe linear or strip-shaped light...
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7070109 |
Optical reader having inclinable stage which mounts optical unit thereon
An optical reader which is compatible with every environment irrespective of installation and usage environments, thereby enabling uniform manufacturing, satisfactory reading reliance, and...
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7061450 |
Electronically scanned beam display
A scanning control circuit generates a clock signal corresponding to an expected scan timing of a resonant scanner. In one approach, the control circuit uses a pair of direct digital synthesis...
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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...
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6992846 |
Micro reader scan engine with prism
A scan engine is disclosed for use in a data collection device, as well as a method for producing a scan engine and an image sensor assembly. The scan engine includes a housing with an opening for...
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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...
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6966494 |
Code reader
An identification device, especially one for detecting unidimensional and/or two-dimensional codes, which has a position-resolving photoreceiver arranged in a housing and a reception optics...
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6951304 |
Polygon-based bioptical pos scanning system employing dual independent optics platforms disposed beneath horizontal and vertical scanning windows
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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6932271 |
Optical scan module, optical scanner, optical scan method, image generator and image reader
An optical scanning apparatus scans a surface to be scanned in a main scanning direction by simultaneously using a plurality of optical spots formed of a plurality of optical beans emitted from an...
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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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6905068 |
Focusing arrangement and method in electro-optical readers
Focusing in an electro-optical reader for reading indicia is obtained by moving one prism relative to another prism. An outgoing laser beam directed to indicia for reflection therefrom and/or...
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6899272 |
Bioptics bar code reader
A bioptics bar code reader has first and second windows disposed at an angle to each other, a first imager for the first window and a second imager for the second window and first and second optics...
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6892948 |
Method of measuring dose of local radiation
A method of measuring an absorbed dose of ionizing radiation using a measuring device that bears an integral identification mark, comprising the steps of: providing a support; disposing on the...
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6860427 |
Automatic optical projection scanner for omni-directional reading of bar code symbols within a confined scanning volume
An automatic scanner which can be used at a point-of-sale (POS) station. The scanner provides a confined scanning volume, so as to avoid unintentional scanning of nearby objects that are located...
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6832727 |
Integrated display scanner
A display scanner includes an optical panel having a plurality of stacked optical waveguides. The waveguides define an inlet face at one end and a screen at an opposite end, with each waveguide...
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6827270 |
Bar code reader having a rotatory optical deflector and a rotation position detector
A bar code reader provided with a laser diode ( 2 ) and a rotatory mirror ( 8 ) for deflecting a laser beam emitted by the laser diode for scanning, wherein a strip ( 20 A) attached to the rotatory...
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6827269 |
Scanner
A scanner for the detection of one-dimensional and/or two-dimensional codes has a light receiver arranged in a housing and an optical receiving system associated therewith and also accommodated in...
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6814291 |
Robust barcode reader
A method and system for reading a two-dimensional barcode symbol on a mailpiece. The barcode symbol may be distorted during the printing process or the image acquiring process, rendering it...
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6805295 |
High speed laser scan module with folded beam path
A scan module in an electro-optical reader includes a first beam-folding mirror on a raised support wall at a rear of a support, and a second beam-folding mirror at a front of the support and...
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6766957 |
Optical device for bar-code reading, method for manufacturing an optical device, and light projection/receiving package
An optical device for bar-code reading capable of improving the degree of freedom in design of component lenses so as to allow free positional adjustment of the lenses while ensuring downsizing and...
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6766954 |
Omnidirectional linear sensor-based code reading engines
An omnidirectional optical code reader employs two or more line photo sensor arrays orientated at an angle to one another. Electrical signals from the photo sensor arrays may be converted to...
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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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6732929 |
Led-based planar light illumination beam generation module employing a focal lens for reducing the image size of the light emmiting surface of the led prior to beam collimation and planarization
Methods of and systems for illuminating objects using planar laser illumination beams having substantially-planar spatial distribution characteristics that extend through the field of view (FOV) of...
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6719204 |
Mathieu-Gaussian beam for optical scanners
A laser beam having a Mathieu-Gaussian intensity profile is provided, which may be used for various optical scanning applications at various scanning distances. The Mathieu-Gaussian beam exhibits a...
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6715685 |
Optical path design for scanning assembly in compact bar code readers
A compact retro-reflective module for use in electro-optical bar code readers includes components arranged to fold outgoing and incoming light along crossed optical paths. The module is convertible...
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6715681 |
Scanning module for single line and raster scanning using dual lasers
A retroreflective optical scan module, including first and second selectable light sources having different beam characteristics for directing a selected light beam to a symbol to be read, an...
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