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...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 8167210 | System for increasing imaging quality A method and apparatus for improving the image quality obtained by an imaging-based scanner comprising a housing supporting one or more protective windows. The apparatus further comprises at least one scanning arrangement, the scanning arrangement comprising illumin... | 05/01/2012 |
| 8113429 | Barcode reading station A barcode reading station which mounts a barcode reader for reading a barcode on a barcode carrier, such as a document or electronic device which displays the barcode. The barcode reading station includes a holster for a barcode reader, the barcode reader producing ... | 02/14/2012 |
| 7784697 | 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 ... | 08/31/2010 |
| 7780086 | Imaging reader with plural solid-state imagers for electro-optically reading indicia A plurality of solid-state imagers is mounted in a reader, such as a bi-optical, dual window, point-of-transaction workstation, for capturing images along different fields of view of diverse targets useful for customer identification, customer payment validation, op... | 08/24/2010 |
| 7743994 | Continuous virtual scan line pattern generation Disclosed are embodiments of methods, systems, and apparatus for generating a continuous virtual scan line pattern from a raster line input. In certain preferred embodiments, a continuous, omni-directional virtual scan line pattern may be generated from a continuous... | 06/29/2010 |
| 7726574 | Method, device and system for scanning optical codes Apparatuses, methods and systems used to reduce the time needed to process images of a bar code or optical code captured by a image bar code scanner. Image bar code scanners read bar codes or optical codes by capturing digital images of the codes using an image capt... | 06/01/2010 |
| 7637431 | Optical system An optical system used in a barcode scanner is disclosed to include a lens, two LEDs arranged at two sides of the lens, two condensers arranged in front of the LEDs, and two curved reflectors with multiple curvatures for reflecting a major part of light from the LED... | 12/29/2009 |
| 7628331 | Method and system for optimizing scanner performance Described is a method and system for optimizing scanner performance. The method comprises obtaining a digitized representation of a bar code, estimating a set of parameters from the digitized representation, adjusting a scan angle as a function of at least one param... | 12/08/2009 |
| 7604174 | Method and apparatus for providing omnidirectional lighting in a scanning device A system and method is provided for selectively controlling the illumination, and particularly dark field illumination, applied to a symbol to be decoded, and for determining a suitable or optimized level of lighting for decoding the symbol. A ring-shaped illuminato... | 10/20/2009 |
| 7594607 | Optical imaging system An optical imaging system includes a system of optical components for generating an image of a surface of a component which emits light which is radially symmetrical, at least in part, for an optical surface measurement thereof, the surface normal of the radially sy... | 09/29/2009 |
| 7594608 | Automatic omnidirectional bar code symbol reading system employing linear-type and area-type bar code symbol reading stations within the system housing An automatic omni-directional bar code symbol reading system for use in a POS environment. The system comprises a system housing having an light transmission window. A plurality of linear-type bar code symbol reading stations are disposed in the system housing, for ... | 09/29/2009 |
| 7588187 | Non-imaging light collector for electro-optical scanner An extended working range electro-optical scanner (10) for reading a target bar code (100). The scanner (10) includes a scan engine (20) including a beam assembly (30) for repetitively directing a beam of light (SB2) at a sc... | 09/15/2009 |
| 7537164 | System and method for reading codes on a specular background A barcode reader having a light source illuminating a barcode, a diffuser disposed between the light source and the barcode, a camera opening at least partially surrounded by the diffuser, light reflected from the barcode passing through the camera opening and a cam... | 05/26/2009 |
| 7520433 | Method for intelligently controlling the illumination and imagine of objects as they are moved through the 3D imaging volume of a digital image capturing and processing system A method for intelligently controlling the illumination and imaging of objects while being moved through a 3D imaging volume. As an object is being moved within the 3D imaging volume of a digital image capturing and processing system projecting a plurality of field ... | 04/21/2009 |
| 7420721 | Oscillation scan mirror with magnetic retaining force acting between the holder and shaft to prevent relative tilt between shaft and bearings An improved oscillation scan mirror assembly comprises a shaft, a holder having a bearing with a bearing surface supporting the holder on the shaft, a scan mirror secured to the holder. The holder and therefore the mirror are oscillatable around the shaft under an o... | 09/02/2008 |
| 7417629 | System for printing a form for interacting with computer software A system for enabling user interaction with computer software. The system includes a computer system that determines information and an identity, which are at least partially indicative of an interactive element. The computer system then determines a layout defining... | 08/26/2008 |
| 7395968 | Laser scanning based bar code symbol reading system for producing a 3-D scanning volume substantially free of spatially and temporally coincident laser 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 diodes. The holographic optical elements are arranged on the scanning ... | 07/08/2008 |
| 7395971 | Method of and system for profile equalization employing visible laser diode (VLD) displacement A method of equalizing the illumination produced by a planar laser illumination array within a planar laser illumination and (electronic) imaging system, comprising the steps of: providing an image formation and detection module having imaging optics with a field of... | 07/08/2008 |
| 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 direction; a lens positioned to receive the laser beam from the laser s... | 06/24/2008 |
| 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 |
| 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 target as a scan line, and an electro-optical feedback assembly operative... | 05/06/2008 |
| 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 portion has a plurality of spaced apart light sources that are adapted t... | 04/22/2008 |
| 7341192 | Method of generating a complex laser scanning pattern from a bioptical laser scanning system for providing 360° of omnidirectional bar code symbol scanning coverage at a point of sale station A method of generating a complex laser scanning pattern from a bioptical laser scanning system for providing 360° of omnidirectional bar code symbol scanning coverage at a point of sale station that employs a plurality of laser scanning stations about a two indepen... | 03/11/2008 |
| 7337960 | Systems and methods for merchandise automatic checkout Systems and methods for automatically checking out items located on a moving conveyor belt for the purpose of increasing the efficiency of a checkout process and revenue at a point-of-sale. The system includes a conveyor subsystem for moving the items, a housing tha... | 03/04/2008 |
| 7334729 | Apparatus, system, and method for optical verification of product information An apparatus, system, and method are disclosed for verifying product information. The apparatus includes an identification module configured to obtain a first set of data associated with a product. A database, in communication with the identification module, is conf... | 02/26/2008 |
| 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 cost. The feature can diffuse light from an existing indicator light wit... | 02/19/2008 |
| 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 deflecting mirror located on the optical axis between the projection opti... | 01/15/2008 |
| 7314176 | Method of generating a complex laser scanning pattern from a bioptical laser scanning system for providing 360° of omnidirectional bar code symbol scanning coverage at a point of sale station A method of generating a complex laser scanning pattern from a bioptical laser scanning system for providing 360° of omnidirectional bar code symbol scanning coverage at a point of sale station that employs a plurality of laser scanning stations about two independe... | 01/01/2008 |
| 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 maintained that can be used to identify a scan line being generated ... | 01/01/2008 |
| 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 positioned at a focus distance from the base, wherein the projections of... | 12/25/2007 |
| 7303132 | X-radiation scanning system having an automatic object identification and attribute information acquisition and linking mechanism integrated therein An x-ray object scanning-tunnel system for automatically acquiring and linking object identity and attribute information about each object transported therethrough while bearing a bar code symbol and/or graphical indicia on the exterior surface thereof. The system c... | 12/04/2007 |
| 7299985 | Transmitting enhanced scanner signals on a single channel A system and method for encoding scanner signal strength and timing information provided, possibly on multiple signal lines, from a digitizer circuit into a signal that can be transmitted on a single line to a modified decoder. A multiplexing device multiplexes the ... | 11/27/2007 |
| 7299973 | Semiconductor device and an information management system therefor According to the present invention, individual two-dimensional barcodes 30, 91 and 173 are provided for individual chips 31 arrayed on a wafer 50, individual lead frames 93 to each of which chips 92 are bonded and individual... | 11/27/2007 |
| 7295314 | Metrology/inspection positioning system A metrology/inspection system moves the imaging and/or measuring equipment of the system relative to a wafer. Accordingly, measurement or inspection of the wafer does not require that the wafer be mounted on a precision stage. This allows the wafer to be at rest on ... | 11/13/2007 |
| 7289215 | Image control in a metrology/inspection positioning system A metrology system includes a positioning system that produces linear and rotational motion between an imaging system and the wafer. The imaging system produces signals representing the image of the wafer in the field of view of the imaging system. A control system ... | 10/30/2007 |
| 7281658 | Scan module A mirror module, comprising a collection mirror comprising an opening and a first reflective surface lying in a first plane, and a fold mirror coupled to said collection mirror, said fold mirror comprising a second reflective surface lying in a second plane, the sec... | 10/16/2007 |
| 7279696 | Optical information code reading apparatus using marker beam In an optical information reading apparatus, a marker beam irradiating unit has a light beam source for emitting a light beam, a diffusing lens for diffusing the light beam emitted from the light beam source, and a collective lens for collecting the light beam diffu... | 10/09/2007 |
| 7279814 | Moving coil actuator for reciprocating motion with controlled force distribution A moving coil actuator that moves in a rapid back-and-forth motion is constructed with a magnet assembly that concentrates the magnetic flux in a region of limited length and with a coiled electric conductor that includes two separated regions of densely wound coil,... | 10/09/2007 |
| 7273180 | Hand-supportable imaging-based bar code symbol reader having a multi-mode bar code symbol image processor dynamically reconfigurable in response to real-time image processing operations carried out on captured images A hand-supportable Digital Imaging-Based Bar Code Symbol Reading Device comprises: an IR-based Object Presence and Range Detection Subsystem; a Multi-Mode Area-type Image Formation and Detection Subsystem having narrow-area and wide area image capture modes of opera... | 09/25/2007 |
| 7264166 | Barcode imaging and laser scanning systems having improved visual decoding indication Barcode imaging and laser scanning systems are disclosed having at least one processor storing barcode decoding algorithms each corresponding to a respective symbology. The at least one processor causes at least one LED and/or a projected laser beam of the barcode i... | 09/04/2007 |
