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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...
7383209 System and method for automatic access of a remote computer over a network  
A system and method for using identification codes found on ordinary articles of commerce to access remote computers on a network. In accordance with one embodiment of the invention, a computer is...
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...
7341189 Spectrally-encoded labeling and reading  
A spectrally-encoded label comprises a spectrally-selective optical element having a label spectral signature. The label spectral signature is determined according to a spectral-encoding scheme so...
7331524 Feedback mechanism for scanner devices  
A bar code reader indicator feature gives visible indication that a bar code function has been performed. The feature is integrally molded with the exit window to simplify the design and reduce...
7325739 Electro-optical scanner having exit window with light collecting optics  
A portable electro-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 optic system....
7255278 Dense pattern optical scanner  
A method of and a system for generating a dense pattern of scan lines. In a preferred configuration, a laser beam is directed into an inline beam dithering mechanism which dithers the beam over an...
7252237 Code reader  
A scanner, especially one for the detection of one- and/or two-dimensional codes with a reception optics, projects the image of a reading line onto a linear arrangement of photoreceivers. An...
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,...
7077325 Portable instrument for electro-optically reading indicia and for projecting a bit-mapped image  
A portable instrument incorporates an electro-optical assembly for reading indicia during a reading mode, and for projecting a bit-mapped image during a display mode. A manually operable switch on...
7038853 Athermalized plastic lens  
A plastic lens includes refractive and diffractive optical apparatus configured to produce optothermal changes substantially canceling each other over a predetermined working temperature range to...
7011248 Encoder arrangement  
An encoder arrangement is described, consisting of a motor with a motor shaft, on which a timing disk is secured, a signal source for producing an optical signal as well as a beam mask for shaping...
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...
6988663 Movable scanning array in electro-optical readers  
Scanning in an electro-optical reader for reading indicia is obtained by moving one array of microlenses relative to another microlens array. An outgoing laser beam directed to indicia for...
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...
6981642 Non-parallax optical auto-focusing system and method  
A non-parallax optical auto-focusing system focuses an image and determines a distance to an optical target without being prone to errors due to parallax. The system includes a first beam splitter,...
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...
6866405 Variable intensity illuminator lens  
A variable intensity illuminator lens may comprise a generally elongate transparent body having a first converging power at a first position on the generally elongate transparent body and a second...
6789737 Light source mechanism of barcode scanner  
A light source mechanism of a barcode scanner includes a laser diode as the point type light source, a collimating lens and a standing cylindrical lens in front of the laser diode. A mirror or a...
6773142 Apparatus for projecting a line of light from a diode-laser array  
Apparatus for projecting a line of light includes a linear array of diode-lasers arranged in a diode-laser bar. An optical system focuses fast axis diverging rays from diode-lasers in the array...
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...
6752315 Detector assembly for use in a bar code scanner and methods for fabricating the same  
An improved detector assembly restricting light striking a detector within the assembly to a relatively narrow bandwidth and techniques for fabricating the same. A pliable material is impregnated...
6652379 Method, apparatus and article for verifying card games, such as blackjack  
A system reads an identifier from a hand of cards to identify the cards. For example, the system can read an identifier from a pair of cards forming the initial hand in blackjack, where the one...
6651886 Optical code readers with holographic optical elements  
Holographic optical elements are configured and deployed in optical imagers and scanners to produce optical modification of output laser beams and light received and detected by the system. In some...
6595421 Integrated antenna scanner window  
A barcode scanner window includes a transparent window pane having an electrically connecting loop laminated to the back side thereof. The loop extends around the perimeter of the pane and includes...
6575370 Electro-optical scanning assembly with one-piece, oscillatable, focusing/scan element  
A compact assembly for electro-optically scanning indicia includes an oscillatable component operative for focusing, and for sweeping, a light beam across the indicia and, optionally, for...
6543693 Bar code readers using surface emitting laser diode  
A scanning device incorporates a vertical cavity surface emitting laser (VCSEL). The laser diode may be mounted directly on an Si substrate which is adapted for movement to produce a scan pattern....
6520415 Barcode reading device with photodetector assembly including a lenticular array  
A code scanner includes a laser beam generating a flying spot across a read axis of a code. The flying spot generates modulated reflected illumination that is detected by a photodetector assembly....
6415980 Holographic laser scanning system for laser scanning of bar code symbols within 3-D scanning volume having a large depth field  
A holographic laser scanning system for producing a highly defined 3-D scanning volume for omni-directional laser scanning of bar code symbols therein having a minimum element width on the order of...
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...
6375075 Method and apparatus for reading machine-readable symbols including color symbol elements  
A symbol reader employs an optical element having first and second optical axes positioned to image a same portion of a color coded symbol onto two different portions of an image sensor. The reader...
6347742 Variable focal length lenses  
A bar code reader for an automated storage library has a lens assembly with a pair of polarized liquid crystal lenses. Each lens has pair of parallel glass plates that are separated by upper and...
6344893 Super-resolving imaging system  
A super-resolving imaging apparatus employs diffractive optical elements placed on the imaging lens. This element, and the use of a modified Scheimpflug arrangement allow the conversion of degrees...
6273336 Collection system for range enhancement  
A data reading system and method which renders the return signal strength of light reaching the detector more uniform over greater distances and/or positions relative to the collection system and...
6260763 Integral illumination source/collection lens assembly for data reading system  
A barcode scan module having an optical lens system with a central bore, an outer collection lens section, an inner beam focusing lens section, and an illumination source mounted within the central...
6209789 Optical filtering system for a laser bar code scanner having narrow band-pass characteristics employing spatially separated filtering elements including a scanner window  
A novel optical filtering system for a laser bar code scanner having narrow band-pass characteristics is disclosed. The optical filtering system has two different optical filtering elements which...
6092728 Miniature laser diode focusing module using micro-optics  
A miniature module emits and focuses a divergent light beam. The focusing module consists of a small-sized light emitter, such as a laser diode, and a micro-optical element seated in a lens holder....
6056198 Optical scanning system and method including a collection system for range enhancement  
A data reading system and method which renders the return signal strength of light reaching the detector more uniform over greater distances and/or positions relative to the collection system and...
6045045 Offset barcode scanner  
A barcode scanner includes a laser for projecting a laser beam in an outbound path at a barcode, and effecting back scattered light therefrom in an opposite inbound path. A focusing lens is...
6039255 Data symbol reading apparatus  
A data symbol reading apparatus, for reading an encoded data symbol, includes: an image pickup element; an image forming optical system for forming an image of the encoded data symbol located...
6021946 Self-focusing bar code reader and optical receiving system  
The invention relates to an optoelectronic sensor, in particular a bar code reader, with an optical receiving system positioned in front of a light receiver for the deflection of a light beam...
6006995 System for reading bar code symbol on containers having arbitrary surface geometry  
A bar code symbol reading system for reading bar code symbols disposed on rotating containers, such as cans and bottles, which have various capacities and arbitrary surfaces upon which the bar code...
6005255 Timing synchronization for image scanning  
A scanner has a window in its housing through which the scanning beam emerges to impinge upon an indicia to be read. The window is elongate, and adjacent each end, on the inside of the housing,...
5992749 Data symbol reader  
A data symbol reader includes a reading head which is positionable on a data symbol to be read, in which the reading head is provided with an opening for surrounding the data symbol when the...
5979767 Portable multi-directional bar code scanner  
An apparatus for scanning bar code on an article comprises a housing with a window; a laser light source for transmitting a laser beam which is disposed in the housing; a first mirror fixedly...
5969323 Noise-reduced electro-optical readers with optical bandpass filter  
An optical reader for reading indicia such as bar codes comprises a first and second light source for generating first and second light beams of mutually orthogonal polarization orientations, and a...
5912451 Moving beam and field of view readers with dichroic filter  
An optical reader for reading indicia such as bar codes comprises a first and second light source for generating first and second laser beams. The respective laser sources generate light at...
5900615 Bar-code reader having advanced emission-condensing unit  
A bar-code reader includes a laser source for emitting a laser beam, and a scan device having reflecting surfaces for scanning a bar code with the laser beam according to a predetermined scanning...
5900612 Bar code reading optical apparatus  
In a bar code reading optical apparatus including a semiconductor laser and a prism both mounted on a photodiode IC so that emitted light from a semiconductor laser is reflected by a reflective...
5866894 Electro-optical scanner module having oscillating lens  
An optical scanner module for directing a light beam to scan an optically encoded symbol includes an optical element mounted for oscillatory motion to scan the light beam in one direction by a flex...
Matches 1 - 50 out of 121 1 2 3 >