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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 |
| 8056810 | Methods and apparatus for generating and decoding scan patterns using multiple laser sources Systems and techniques for multiple laser and multiple detector bar code scanning. multiple laser sources generate multiple laser beams directed to a rotating spinner and along optical paths to emerge from a scanner as multiple scan beams. The scan beams trace out a... | 11/15/2011 |
| RE42651 | Optical scanner having enhanced item side coverage A dual aperture optical scanner which produces horizontal, vertical, and diagonal scan patterns. The optical scanner includes a housing having a substantially vertical surface containing a first aperture and a substantially horizontal surface containing a second ape... | 08/30/2011 |
| 7866558 | Laser scanner A laser scanning system and method for scanning symbology targets such as barcodes. The scanning system in one embodiment includes at least one laser source and a pair of wobbling mirrors generally disposed towards opposite ends of a centrally-positioned rotatable m... | 01/11/2011 |
| 7510119 | Apparatus for rotating a mirrored spinner An apparatus for rotating a mirrored spinner about multiple axes. The apparatus includes a first axle which rotates about a first axis of rotation, and a second axle for mounting the mirrored spinner to the first axle, wherein the second axle rotates the mirrored sp... | 03/31/2009 |
| 7380727 | Method of generating interface surface A method of generating an interface surface is provided, in which machine-readable coded data is generated in a computer system in accordance with a layout and is printed onto a surface with a printer in communication with the computer system. The layout has at leas... | 06/03/2008 |
| 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 |
| 7358857 | Global positioning systems applications A global positioning system includes a fixed base unit of known position and at least one mobile unit, the base unit and the mobile unit each including a GPS receiver. This system further includes means for comparing the simultaneous GPS identified positions of the ... | 04/15/2008 |
| 7316356 | 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 mirrored spinner including a mo... | 01/08/2008 |
| 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 |
| 7312433 | Measuring device and method for detecting objects interrupting a beam of radiation The invention relates to a measuring device 5 of the type which detects the interruption of a beam of radiation (e.g. light 20) by an object (50 FIG. 1) in the beam. The device includes a light emitter 12 and a light dete... | 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 |
| 7296750 | 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 |
| 7264173 | Orientation-indicating cyclic position codes Machine-readable coded data disposed on or in a substrate in accordance with a layout, the layout having at least order n rotational symmetry, where n is at least two, the layout encoding an orientation codeword comprising a sequence of an integer multiple m of of n... | 09/04/2007 |
| 7261612 | Methods and systems for read-aloud books The pages of a children's book are marked in a machine-readable manner (e.g., by imperceptible digital watermark technology). When such a page is shown to a camera-equipped computer device, the watermark is decoded, and the story text from that page is read aloud to... | 08/28/2007 |
| 7250976 | Layout of the optical path in an image capturing system The image-capturing system comprises a image-capturing module and a plurality of mirrors, wherein the image-capturing module has a lens and a charge-coupled device (CCD). The image-capturing module is located on about the center in the image-capturing system, and a ... | 07/31/2007 |
| 7222794 | Optical reader applicable to plurality of uses An optical reader capable of reading a bar code in a mounted state when an article carrying the bar code passes and of reading bar codes set in array on a menu sheet in a hand-held state has been disclosed. The optical reader comprises a light source, a scanner that... | 05/29/2007 |
| 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 |
| 7195169 | Mobile terminal with ergonomic housing The subject invention relates to systems and methods for employing a housing as part of a hand held scanner as to increase utility and add ruggedness. The housing comprises an upper top housing and lower bottom housing, with the top housing comprising a set of acces... | 03/27/2007 |
| 7193758 | Scanner and method for sweeping a beam across a target A scanner such as a bar-code scanner includes a scan-beam generator, a beam reflector having a first magnet, and a beam-sweep mechanism having a second magnet. The beam-sweep mechanism causes the reflector to sweep the scan beam across a target such as a bar-code sy... | 03/20/2007 |
| 7190835 | Code reader performing coded image decoding using non-dedicated decode processor A coded image capture and decoding system includes an image capture unit and a host unit which operate to capture image data, generate a plurality of coded images, and, thereafter, to decode the plurality of coded images with a non-dedicated host processing circuitr... | 03/13/2007 |
| 7154650 | Scanning apparatus Scanning apparatus operable in the microwave, mm-wave and infrared ranges and comprises a support structure, a first reflective disc or mirror (10) which is mounted in said support structure for rotation relative to the support structure about a first axis ( | 12/26/2006 |
| 7150401 | Bar code reader 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 (20A) attached to the rotatory mirror (8), serving as a sensing indicator, is... | 12/19/2006 |
| 7128268 | 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 two, substantially constant,... | 10/31/2006 |
| 7124950 | Bar code symbol reading system employing electronically-controlled raster-type laser scanner for reading bar code symbols during on hands-on and hands-free modes of operation A bar code symbol reading system is disclosed comprising a hand-supportable bar code symbol reading device which embodies an electronically-controlled bar code symbol reading engine for producing a raster-type laser scanning pattern in either a hands-free or hands-o... | 10/24/2006 |
| 7111785 | 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 rotary mirrored component having ... | 09/26/2006 |
| 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 |
| 7077326 | Generating a scan pattern over multiple surfaces of symbol-bearing objects passing through flat bed reader Scan lines are projected through a single horizontal window of a slot scanner and onto multiple surfaces of a product bearing a bar code symbol to be electro-optically read. The symbol may be in any orientation and on any vertical surface of the product, as well as ... | 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 |
| 7063261 | Electro-optical reader with improved laser intensity modulation over extended working range The combination of a rooftop optical element and a soft edge aperture stop, as well as the introduction of a negative spherical aberration in a positive focusing lens, improve working distance and depth of focus in both moving beam and imaging readers for electro-op... | 06/20/2006 |
| 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 |
| 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 |
| 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 characteristics, as well as positive, negative and zero skew angle characteristi... | 05/30/2006 |
| 7044376 | Authentication method and apparatus for use with compressed fluid printed swatches Authentication systems, apparatus, and methods authenticate an identification marking including a nanocrystalline material. One or more properties of the marking are ascertained to provide a measured profile. The measured profile is compared to at least one member o... | 05/16/2006 |
| 7038821 | Scanning apparatus A scanning apparatus comprises two rotatable bodies (1, 10 or 40) arranged to rotate in opposite directions. The first body being a polarizer (10) and the second being a mirror (1) or a second polarizer (40). The apparatus is arran... | 05/02/2006 |
| 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 render the plastic lens substantially athermalized over the range.... | 05/02/2006 |
| 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 |
| 7007844 | 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 |
| 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 |
