Patents in subclass Registers/Pattern Mirror Detail For Rotating Mirror

Parent class: Registers


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Number Patent title Issue Date
07407103 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 characteristics, as well as positive, negative and...
08/05/2008
07380719 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...
06/03/2008
07380721 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...
06/03/2008
07316356 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 beams, and an apparatus for rotating the...
01/08/2008
07296750 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 minimal electrical power consumption.
11/20/2007
07222793 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 assembly. The imaging arrangement includes...
05/29/2007
07195167 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 portion thereof) through a service port (e.g.,...
03/27/2007
07188769 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 product item being provided in a sensing...
03/13/2007
07178734 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 beam, a mirrored spinner for reflecting...
02/20/2007
07175092 Analog-to-digital converter with automatic range and sensitivity adjustment

The invention is a system and method for providing optimized accuracy and precision in analog-to-digital conversions of data. In an embodiment of the invention, an A/D converter is configured by setting two separately definable reference...
02/13/2007
07128268 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 of scan lines. The spinner is operable at...
10/31/2006
07111785 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 different elevations on a support, and a...
09/26/2006
07073716 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...
07/11/2006
07059529 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...
06/13/2006
07051940 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 embodiment, different patterns are...
05/30/2006
07051922 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 characteristics, as well as positive, negative and...
05/30/2006
07007844 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 window to improve scanner productivity.
03/07/2006
06994255 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...
02/07/2006
06981643 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...
01/03/2006
06932274 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 from each other. A magnet is mounted for...
08/23/2005
06905070 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...
06/14/2005
06883712 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 and pattern mirrors arranged to produce sets of densely packed scan lines. The housing...
04/26/2005
06874690 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 portion thereof) through a service port (e.g.,...
04/05/2005
06854655 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 surface. A motor rotates a polygon mirror,...
02/15/2005
06840453 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 installation surface of the apparatus, and a...
01/11/2005
06827271 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 produced by a laser source and reflected from...
12/07/2004
06820811 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 a spinner located within the housing. The...
11/23/2004
06786413 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 code symbols in a multiple scan line mode...
09/07/2004
06783074 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 beam, a rotating optical spinner to reflect...
08/31/2004
06722566 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.
04/20/2004
06708888 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, the reflection cowl is divided by the...
03/23/2004
06651889 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 produced by a laser source and reflected from...
11/25/2003
06631844 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.degree. bar code reading. The scanning device includes a bottom part, a side part which is nearly vertical to the...
10/14/2003
06631845 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 surface. A motor rotates a polygon mirror,...
10/14/2003
06588669 Optoelectronic device

The invention relates to an optoelectronic device (1) for detecting markings affixed to objects by using a transmitter (6) that emits light rays (8), a receiver (11) that receives light rays (10), an evaluation unit (5) and a deflection...
07/08/2003
06585161 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...
07/01/2003
06547144 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 construction; a plurality of laser beam...
04/15/2003
06543694 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 for reflecting a laser beam in...
04/08/2003
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 contains a laser source and deflecting...
01/07/2003
06502753 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 contains a laser source and deflecting...
01/07/2003
06491224 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 installation surface of the apparatus, and a...
12/10/2002
06454169 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 produced by a laser source and reflected from...
09/24/2002
06427916 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 reflection surfaces, a first base part...
08/06/2002
06412696 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 outside of the approximately columnar...
07/02/2002
06390369 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 therearound for aerodynamically...
05/21/2002
06318634 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 mirror facet(s). In one configuration,...
11/20/2001
06230976 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 scanning components, such as flexures, from...
05/15/2001
06220514 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...
04/24/2001
06216950 Optical scanning apparatus

An optical scanning apparatus which reduces operator workload at a checkout counter and configured to be inexpensive to manufacture. In particular this optical scanning apparatus is designed so that an operator can scan merchandise...
04/17/2001
06213397 Multiple window scanner and method for adjusting optical parameters

A multiple window data reading device and method for reading symbols such as bar codes through each window, including sensing conditions from each window and adjusting optical parameters for controlling data reading control through each...
04/10/2001

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