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7389929 |
Long range optical reader
An indicia decoding device can have an image sensor and a laser diode assembly configured to project laser light onto a substrate. When a trigger signal is received by the indicia decoding device,...
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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...
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7364085 |
Identification document with printing that creates moving and three dimensional image effects with pulsed illumination
Identification documents have a three dimensional or moving image effect to enable human verification of their authenticity. These effects are created by printing image layers of invisible inks,...
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7360705 |
Apparatus and method for reading machine-readable symbols
A reader for optically reading machine-readable symbols such as barcodes. The reader includes at least one light source for producing light and a number of light emitters for emitting the light...
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7296743 |
Laser power control arrangements in electro-optical readers
Laser power control arrangements interrupt power to a laser used in electro-optical readers upon detection of operating conditions not conforming to preestablished standards, and adjust power to...
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7290711 |
System and method for reducing motion sensitivity in an imager based optical code reader
A system and method for reading an optical code is provided. The method comprises the steps of sensing incident light reflected from a target optical code to be imaged; generating an image signal...
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7281662 |
Methods and apparatus for information capture illumination
Methods and apparatus for illuminating objects comprising asymmetrically illuminating an object using an illumination medium on one side of an optical module of an information capturing module,...
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7273176 |
Electro-optic reader for retro-reflective bar codes
A system for identification comprising: a surface ( 14 ) comprising retro-reflective indicta; a source of light that illuminates the indicta ( 18 ) along an illumination direction; and a detector (...
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7264165 |
Method for reading a graphic pattern and acquiring its image
A method for reading a graphic pattern by illuminating the graphic pattern with at least two groups of light sources, each of the at least two groups of light sources having at least one light...
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7210631 |
Color bar code system
A color bar code system includes a camera reader to read at least one color bar code having a subset of N bar code colors, a color association unit and an identifier. The color association unit...
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7201321 |
Electro-optically reading direct part markings on workpieces by image capture
Performance of an imaging reader for electro-optically reading direct part markings on workpieces is enhanced by ensuring that such markings are read in the vicinity of an ideal, focused, target...
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7200466 |
Parts assembly management system
A parts assembly management system includes a parts assembly management apparatus to be installed in an assembly line, and a plurality of storage vessel identifying apparatuses to be installed in a...
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7152797 |
Apparatus and method for reading embedded indicia
An apparatus and method for reading embedded indicia. A light energy sensing system for an embedded indicia interpretation apparatus. The system includes a first light sensor and a second light...
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7147161 |
Digitizing bar code symbol data
Processing an analog electrical signal containing information representative of reflected light from indicia including regions of different light reflectivity, wherein the analog electrical signal...
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7070107 |
Led-based planar light illumination and imaging (PLIIM) systems
A planar light illumination and imaging system for illuminating an object and forming an image thereof. The planar light illumination and imaging system which comprises an image formation and...
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7063260 |
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...
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7028901 |
System and method for reading and decoding optical codes using multiple color illumination
An optical code reading system and method are provided for reading and decoding an optical code. The system includes a plurality of light sources, a color image sensor, a processor and a decoder....
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7025270 |
Automatic adjustment of illumination for reading barcodes and similar items
A barcode or similar scanning device is adjusted and calibrated by utilizing test pulses and measuring the peaks and calculating average of reflected light. The duty cycle of the pulses is adjusted...
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7023626 |
Optical device, lens and optical element for focusing a laser beam and apparatus and method for assembling the optical device
The invention relates to an optical device for focusing a laser beam, comprising a source of emission of a laser beam, for example a substantially elliptic and astigmatic laser beam, a focusing...
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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...
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6945462 |
Optical information reading apparatus
An optical information reading apparatus applies light to an object to be read such as a bar code symbol, photoelectrically converts by a photodetector element a light image formed by the...
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6915955 |
Apparatus for determining multi-bit data via light received by a light receiver and coupled to spectral sensors that measure light in spectral bands
Optical characteristic measuring systems and methods such as for determining the color or other optical characteristics of teeth are disclosed. Perimeter receiver fiber optics preferably are spaced...
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6883711 |
Missing link/part detector employing scanning engine
A bar code reader missing link detection system for detection of missing, defective or misaligned chain links in assembled or in-process chains includes a light source for illuminating one or more...
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6854650 |
Mirrored surface optical symbol scanner
An optical symbol scanner assembly has an illumination attachment to facilitate detection and decoding bar code symbols that are printed or formed on mirror-finish surfaces. A hand-held scanner has...
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6805449 |
Presentation imaging system
A presentation imaging system used for imaging machine readable information on an object is provided. The system includes an imaging device coupled to a processor. The imaging device senses the...
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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...
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6698659 |
Optical data form reading apparatus
A radius of curvature of a projection lens for projecting illumination light on bar codes varies in the arranging direction of the line sensor to collimate the illumination light at each point...
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6634553 |
Method and apparatus for even illumination of a target for image capture
A method and apparatus use light sources, such as LEDs, to illuminate target areas. At least one embodiment of the invention provides a system for illuminating target areas using multiple light...
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6612494 |
Product authentication system
Authenticating an object includes marking the object with a mark containing at least two markers wherein each marker fluoresces when illuminated with one of UV and IR, but does not fluoresce when...
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6601767 |
Ambient light sensing apparatus and method for a produce data collector
An ambient light sensing apparatus and method for a produce data collector which minimize false triggering of produce data collection. The apparatus includes an image capture device which has a...
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6599074 |
Binder strip having encoded surface and method
An encoded binder strip having an adhesive matrix and an encoded pattern formed on a surface of the matrix to identify the type of binder strip. The encoded pattern includes relatively high...
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6588668 |
Bar code scanner
A laser diode control board ( 9 ), a scanning deflection member control board ( 12 ), and an electric signal processing board ( 11 ) composing a bar code scanner are formed of individual boards,...
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6557764 |
Method and apparatus for illumination control to increase the manufacturing yield for a bar code and position reference reader in a mass storage auto-changer
A method and apparatus that allows the adjustment of the intensity of the illumination source in a barcode reader, using the barcode reader as the measuring device, to give a predetermined amount...
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6501547 |
Hand-held produce recognition system and produce data collector
A hand-held produce data collector which captures wavelength information from a produce item. The produce data collector includes a light emitter for illuminating a produce item, collecting optics...
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6446869 |
Ambient light blocking apparatus for a produce recognition system
An ambient light blocking apparatus which minimizes contamination of produce data collector readings by ambient light. The apparatus preferably includes a tunnel member which may be located around...
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6394349 |
Optical information reader and recording medium
An optical information reader which can promptly eliminate mirror reflection regions with high accuracy without the need for a plurality of expensive CCDS. When it is discriminated that mirror...
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6386452 |
Image reading device with improved controller
An image reading device is provided in which a number of degrees of freedom in control at a time of reading is increased. A plurality of light emitting elements, which emit light of different...
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6332573 |
Produce data collector and produce recognition system
A produce data collector and produce recognition system which illuminates a produce item with substantially uniform light to enhance the accuracy of collected produce data and subsequent...
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6330974 |
High resolution laser imager for low contrast symbology
An apparatus that permits high resolution imaging of low contrast one and two-dimensional symbols includes a housing having a window and an electro-optical element disposed within the housing...
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6254003 |
Optical reader exposure control apparatus comprising illumination level detection circuitry
An exposure control apparatus for use with optical readers, such as bar code readers, which utilize photosensitive image sensors. An illumination signal generating circuit generates an illumination...
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6230975 |
Optical reader with adaptive exposure control
An optical or symbol reader including CMOS circuitry preferably integrated on a single chip. A CMOS optical reader chip comprises a CMOS imaging array having a plurality of pixels each with a...
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6142378 |
Replaceable emission-condensing unit for a bar code reader
A bar-code reader is easy to use and has an optical system that is easy to position and replace. The bar-code reader is used for a POS system. The bar code reader has a laser source for emitting a...
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6062475 |
Portable data collection device including color imaging dataform reader assembly
A portable data collection device providing for dataform decoding and color imaging. An imaging assembly is provided that includes a board camera having black and white circuitry and generates a...
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6053409 |
Dynamic focusing apparatus for an optical imaging system using a deformable mirror
A focus changing apparatus for an optical scanner which increases the depth of the field of the optical scanner. The focus changing apparatus is optically located between a laser source and a scan...
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6045044 |
Method and apparatus for reducing bandwidth limited noise in bar code scanner
A bar code scanner system includes a laser light source that periodically produces a light beam that is swept across a bar code label. The laser light source is periodically turned "on" and "off"...
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6006991 |
Method and apparatus for reading both of standard and fluorescent bar codes
A bar code label scanning system comprises a light source for producing a light beam at a first wavelength which is swept across a bar code. Light from the bar code is passed through a filter for...
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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...
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5949054 |
Bar code reader for reading high to low contrast bar code symbols
A bar code reader is provided which can read bar code symbols of varying contrast, from high to medium to low contrast. The bar code reader includes a digitizing circuit which digitizes an analog...
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5942742 |
Device and method for reading bar code
By a user setting process, the set values of a number of scans and the LED lighting-on pulse-width are written, in advance, into a set value table stored in an EEPROM. Before a measurement starts,...
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5932861 |
Ambient light detector, light source lighting controlling device, and reader
The present invention relates to an ambient light detector that detects a change in light amount of ambient light. The ambient light detector consists of ambient light detecting means for detecting...
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