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| Number | Title | Issue Date |
| 8141785 | Optical delay module for lengthening the propagation path of a light beam and pulse multiplication or elongation module The invention relates to an optical delay module for lengthening the propagation path of a light beam comprises a first spherical mirror and a second spherical mirror, the first spherical mirror and the second spherical mirror having equal radii of curvature, the fi... | 03/27/2012 |
| 7419098 | Graphical code reading apparatus for reading codes on reflective surfaces A graphical code reading apparatus is disclosed. The graphical code reading apparatus is able to read graphical codes on reflective and curved reflective surfaces. The graphical code reading apparatus includes a graphical code reader having an illumination source su... | 09/02/2008 |
| 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 and one or more apertures located between the optical emitter and de... | 06/03/2008 |
| 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 operating characteristics of the video circuit during a scanning opera... | 06/03/2008 |
| 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 aplanar profile and a second surface of a second, different aplanar prof... | 02/26/2008 |
| 7309932 | Voice coil motor apparatus for positioning A voice coil motor apparatus for positioning is disclosed. The voice coil motor is used by the auto-focus lens control module of a miniature camera. The apparatus contains a voice coil motor, a position feedback sensor, and a positioning controller. The voice coil o... | 12/18/2007 |
| 7270270 | Optical scanner control method, optical scanner and laser machining apparatus A optical scanner control method and a optical scanner capable of positioning a mirror at a high speed independently of a rocking angle, and a laser machining apparatus for irradiating a printed circuit board with a laser beam by use of the optical scanner to thereb... | 09/18/2007 |
| 7267276 | Method and apparatus for optically reading target while folding reflected light In an apparatus for optically reading a target based on light reflected from the target, an imaging lens with a first optical axis is provided so that the reflected light enters into the imaging lens. A photodetector having an active area and a second optical axis d... | 09/11/2007 |
| 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 angle parallel to the axis of rotation of the rotating facet wheel. T... | 08/14/2007 |
| 7255280 | Electronically-controlled mechanically-damped off-resonant light beam scanning mechanism and code symbol readers employing the same Apparatus for deflecting a light beam, comprising: a scanning element having a base portion, a light beam deflecting portion, and a gap region disposed therebetween. The base portion is anchored with respect to an optical bench to permit the light beam deflecting po... | 08/14/2007 |
| 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 element from vibrating and to substantially return the scanning element ... | 08/07/2007 |
| 7206849 | Communication in a wireless communications network when a mobile computer terminal may be unreachable A method and apparatus for communication between a mobile computer terminal and a host computer in a system in which it is necessary for the mobile computer terminal to send a message to the host computer at a particular time. The specific time at which the mobile c... | 04/17/2007 |
| 7204420 | Scanner and method for eliminating specular reflection Described is a scanner for reading an optical code which includes a light transmission system and an image acquisition system. The light transmission system projects light on a target. The image acquisition system receives light reflected from the target to generate... | 04/17/2007 |
| 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 beam, the first optical beam being directed toward one side of a scanni... | 04/03/2007 |
| 7186970 | Resonant oscillating scanning device with multiple light sources and dual scan path An optical scanning system including a resonant oscillating device having a first magnetic field and a mirrored surface. The system includes first and second light sources for directing first and second beams of light to the mirrored surface of the resonant oscillat... | 03/06/2007 |
| 7182262 | Inertial drive scanning arrangement and method A light scanning arrangement includes a frame 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 minimal electrical power consumption. ... | 02/27/2007 |
| 7159782 | 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 element from vibrating and to substantially return the scanning element ... | 01/09/2007 |
| 7097101 | Interface for interfacing an imaging engine to an optical code reader An optical code reader having means for focusing an imaging optics assembly on a target image. The optical code reader includes a chassis and an imaging optics assembly pivotally mounted on the chassis. The imaging optics assembly is housed within an opto-mechanical... | 08/29/2006 |
| 7083102 | Bioptical laser scanner for six-sided 360° Pos-based scanning 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, ideally suited for space-constrained retail scanning environments, and g... | 08/01/2006 |
| 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 the instrument is disposed for selecting one of the modes. The image ... | 07/18/2006 |
| 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 towards a center of the ring and second mirrored facets facing generall... | 07/11/2006 |
| 7073715 | Interface for interfacing an imaging engine to an optical code reader An interface assembly is provided for interfacing an imaging engine having an adjustable lens assembly to a circuitry assembly of an optical code reader system, the interface assembly includes a first coupling circuitry assembly for transmission of at least one inpu... | 07/11/2006 |
| 7059529 | 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 number of fixedly disposed flat mirrors for reflecting laser light; a... | 06/13/2006 |
| 7059528 | Synchronous and resonant drives for producing multiple scan line pattern for electro-optically reading indicia A raster pattern for reading bar code symbols is created by successively reflecting a light beam off scan mirrors oscillated respectively by a resonant motor drive and by another motor drive driven synchronously with the resonant drive. ... | 06/13/2006 |
| 7048192 | Wireless bar code symbol reading system employing a base station with a cradle having a hinged support hooks for enabling vertical and horizontal installations Disclosed is an automatically-activated wireless code symbol reading system comprising a bar code symbol reading mechanism contained within a hand-supportable housing having a manually-activatable data transmission switch. During symbol reading operations, the bar c... | 05/23/2006 |
| 7046415 | Micro-mirrors with flexure springs A micro-mirror device includes a micro-mirror and a flexure spring supporting the micro-mirror. The flexure spring is configured to store potential energy during movement of the micro-mirror that is released as kinetic energy to drive movement of the micro-mirror wh... | 05/16/2006 |
| 7040538 | Bar code reader including linear sensor array and hybrid camera and bar code reader A semiconductor detector device for detecting optical code symbols includes no more than 512 pixels. Each of the pixels has an aspect ratio that is greater than 2 to 1 with a short dimension not greater than 8 microns. In a bar code reader, a sensor for detecting th... | 05/09/2006 |
| 7025273 | Miniature auto focus voice coil actuator system Actuator systems are provided for automatically focusing an optical image reader. Techniques are also provided which are applicable to the design of imaging engines and imaging lens systems associated with image readers of various types. More specifically, the prese... | 04/11/2006 |
| 7021542 | Imaging and illumination engine for an optical code reader An imaging and an illuminating engine is provided for an optical code reader to image and illuminate remote target indicia. The engine includes an image sensor for receiving reflected illumination from the remote indicia and at least two illumination assemblies for ... | 04/04/2006 |
| 7015886 | Scanning line driver circuits, electrooptic apparatuses, electronic apparatuses and semiconductor devices A scanning line driver circuit is provided that can narrow intervals of its scanning lines to values exceeding the limitation value of its output pitch without harming the versatility of a data line driver circuit. A first scanning control signal generation circuit ... | 03/21/2006 |
| 7007850 | Bar code reading apparatus, moving mirror for bar code reading apparatus, and manufacturing thereof A bar code reading apparatus comprises: a laser module (1) having a light-emitting device (13) and a light-receiving device (14) arranged in a substantially orthogonal state; a moving mirror having a mirror mounted on a stand, swing shafts provi... | 03/07/2006 |
| 7007843 | Light beam shaping arrangement and method in electro-optical readers A micro-electro-mechanical system component is deformed to control a shape and size and orientation of a laser beam spot that is scanned across a symbol to be read by an electro-optical reader. ... | 03/07/2006 |
| 6994256 | Barcode reader The present invention provides a barcode reader, which irradiates a scanned laser beam onto a barcode symbol and reads the information written in the symbol, wherein a laser beam scanning unit is made by insertion molding as one body with a movable support member, a... | 02/07/2006 |
| 6994255 | 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 angle parallel to the axis of rotation of the rotating facet wheel. T... | 02/07/2006 |
| 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 barcode through the collimator, a barcode signal is produced from the re... | 01/03/2006 |
| 6974084 | Multiple plane scanning system for data reading applications An optical system and method for data reading. The 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 beam, the first optical beam being directed toward one side of a scan... | 12/13/2005 |
| 6948662 | Two-dimensional optical code scanner with scanning pattern having region of greater apparent brightness for assisting alignment of scanning pattern An alignment indication is provided in an optical scanner for reading a two-dimensional optical code by varying the scanning beam to provide a region of apparent greater brightness. In the case of a PDF417 bar code symbol, an elongated brighter region may be oriente... | 09/27/2005 |
| 6929184 | Monitoring bi-directional motor drive failure in electro-optical reader Malfunction of a bi-directional resonant motor drive in an electro-optical reader is detected without new hardware by monitoring the frequency of a start-of-scan signal, and by determining whether the monitored frequency lies within a predetermined frequency range. | 08/16/2005 |
| 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 and a collector for collecting light reflected from a bar code during ... | 06/14/2005 |
| 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 for directing light from a bar code in a reading area between the wi... | 05/31/2005 |
