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6867850 |
Light wedge for illuminating a platen in a print scanner
Light wedges that reflect light internally and produce diffuse light for uniformly illuminating a platen in a print scanner are presented. In one example, a light wedge has a first surface that...
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6858323 |
Valuable document
The invention relates to a document of value, such as a paper of value, ID card or the like, having at least one authenticity feature in the form of a luminescent substance. The luminescent...
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6856383 |
Relief object image generator
A device for imaging a relief object without illuminating a platen is disclosed. The device includes a single electrode electroluminescent device, which may be inorganic or organic, and a current...
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6853444 |
Non-contact optical imaging system for biometric identification
An optical system for imaging the features, ridges, and height variations of an object by exploiting the properties of specular reflection of light to maximize the contrast of the features, ridges,...
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6826000 |
Optical fingerprint acquisition apparatus
Disclosed is an optical fingerprint acquisition apparatus capable of reducing an image distortion and a size of an optical system by deforming the shape of a prism. The prism according to the...
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6819781 |
Method and apparatus for optical sensor system and optical interface circuit
An optical sensor system for validating documents transports a document under test between a light source and an optical interface circuit. A photodetector within the optical interface circuit...
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6819409 |
System for reading an information strip containing optically coded information
A reading arrangement includes at least one linear detector arrangement which is arranged in parallel relationship above a reading plane and behind an optical imaging element and is oriented on to...
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6819410 |
Process for identifying an embossed image of a coin in an automatic coin tester
A process for identifying an embossed image of a coin in an automatic coin tester, in which a coin is moved to an image receiver and a light source, the image receiver picks up at least one image...
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6815657 |
Reading apparatus
A reading apparatus has a sensor unit which is arranged on a substrate to read an object to be detected, a driver circuit unit which is arranged on the substrate to supply a drive signal for...
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6816605 |
Methods and systems for biometric identification of individuals using linear optical spectroscopy
Methods and systems are provided for identifying an individual. Electromagnetic radiation is propagated into tissue of the individual. A measured spectral variation is received in the form of...
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6798900 |
Paper sheet identification method and apparatus
An identification method and apparatus for paper sheet statistically process information representing characteristics of a bank note, condense these to a smaller number of characteristics, and...
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6795173 |
Counterfeit detection viewer apparatus for paper currency
The present invention provides a counterfeit detector viewer having a detection opening for receiving documents such as paper currency to be inspected. The device uses a UV light fixture mounted in...
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6795570 |
Process and apparatus for the electronic recording of an image
A process is disclosed for the electronic recording of an image of the surface of an object, which image can be displayed as a function G(x, y), wherein x and y are the coordinates of a respective...
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6784413 |
Reading apparatus for reading fingerprint
A reading apparatus for reading a target object includes a photosensor module having a plurality of photosensors arranged at least one plane, and a transparent conductive layer provided between the...
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6784982 |
Direct mapping of DNA chips to detector arrays
A device for detecting the pattern of polynucleic acid hybridization to a surface, the device includes (a) a positioning device for receiving a nucleic acid chip and keeping the chip in a sampling...
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6774986 |
Apparatus and method for correlating a suspect note deposited in an automated banking machine with the depositor
An automated banking machine is able to receive currency bills therein during a deposit transaction. A sensing assembly can sense radiation that is at least one of reflected from and transmitted...
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6771357 |
False note detecting device and an electric bulb for use in detecting a false note
The false note detecting device 1 has a case 2 in which there are provided an ultraviolet irradiating LED 3 , a light receiving element 5 , an on-off switch 9 , and a signal processing...
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6766040 |
System and method for capturing, enrolling and verifying a fingerprint
A low-power, fully self-contained fingerprint capture, enrollment and verification method and device ( 100 ). The device includes a logic unit ( 110 ), a memory ( 120 ), a fingerprint sensor ( 130...
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6753952 |
Specialised surface
A multilayer surface comprising at least two layers, said layers having different refractive indexes such that selective wavelengths/colours are transmitted and or reflected. The layers are...
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6753989 |
Recording surface relief microstructure
A method of recording a surface relief microstructure in a record medium includes: i) causing a coherent reconstruction or replay beam to impinge on a holographic optical element assembly, the...
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6750955 |
Compact optical fingerprint sensor and method
For use in capturing a fingerprint image, an optical fingerprint sensor. In one embodiment of the present invention, the optical fingerprint sensor includes: ( 1 ) a light source on a PCB assembly,...
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6748102 |
Document alteration indicating system and method
A system and method for detecting alteration of a document. The invention evaluates markings in half-tone fields by ascertaining a first dot count of dots isolated from the marking in the half-tone...
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6741727 |
Apparatus for determining the soil degree of printed matter
An IR image input section inputs an IR image of printed matter P 1 , using IR light having a near-infrared wavelength. An edge emphasizing section executes edge emphasizing processing on the IR...
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6740431 |
Medium for identifying matter to be identified and method for production thereof
In an identification medium for identifying an authenticity of an object either visually or optically by using an identification device, high polymer cholesteric liquid crystal is applied onto the...
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6741336 |
Sensor for authenticity identification of signets on documents
A sensor is proposed for authenticity identification of luminescent identification features on documents, in which the identification feature is illuminated with an excitation wavelength and may...
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6731785 |
Currency handling system employing an infrared authenticating system
A document handling system is configured for detecting counterfeit bills using infrared light. The document handling system comprises an infrared light source, a sensor that is adapted to produce...
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6719200 |
Checking of right to access
A system for checking the right to access to sensitive information is described, said checking being based on current biometric data of a person whose right to access to the sensitive information...
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6714288 |
Counterfeit detection apparatus
A counterfeit detection device that is useful for optically examining the security features of currency to determine its authenticity. The apparatus places the currency at the object plane of a...
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6707934 |
Apparatus and method for collating image
An image collation apparatus has stored therein first image (registered fingerprint) beforehand. Regarding second image (fingerprint to be collated) that is input when collation is performed, the...
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6707539 |
Portable product authentication device
A portable product authentication device and method for analyzing key ingredients and the relative amounts of key ingredients in products which in turn enables authentication and monitoring...
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6704107 |
Method and apparatus for automated, in situ material detection using filtered fluoresced, reflected, or absorbed light
A method and apparatus for detection of a particular material, such as photoresist material, on a sample surface. A narrow beam of light is projected onto the sample surface and the fluoresced...
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6683680 |
Method, system and device providing a musical representation of a transparent or translucent structure
A method and system are provided for representing a structure of a kind characterized by a specific radiation response to a predetermined incident radiation. The incident radiation is applied to...
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6667797 |
Phase retardation anti-counterfeit method
The anti-counterfeit method of the invention conceals an authentication pattern in a retarder by means of specific treatments that achieve different phase retardation on the retarder. To...
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6657185 |
Pattern detector for capturing images with reduced distortion
An irregular pattern detector includes a first optical system, a transparent light guide body and a second optical system. The first optical system has a light source. The transparent light guide...
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6658140 |
Method and arrangement for obtaining image information relating to surface structures
A method for obtaining image information, for example, about the surface structure of the inside surface of a hand, the edge of a hand, the extended four fingers or an extended thumb with high...
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6650397 |
Media width detecting system for an imaging apparatus
A media width detecting system is adapted to measure an absolute width of media without the need for human intervention or without the need for media to be referenced against a known location. The...
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6646280 |
Device and method for inspecting and cutting strips of security documents
A device and a method for processing valuable documents, such as securities, involves the separating of sheets of such documents into strips of documents. These strips are inspected and are...
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6643389 |
Narrow array capacitive fingerprint imager
A narrow array capacitive semiconductor fingerprint detection system includes an array of capacitive sensing elements. The array has a first dimension about the width of a fingerprint and second...
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6643390 |
Compact fingerprint identification device
A compact, low-cost finger imager, to be used for enrolling and recognizing individuals based upon their finger ridge patterns. The optical system employs viewing beyond the critical angle and...
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6642502 |
Light-transmitting object identifying apparatus and method
In order to provide an apparatus which has a simple arrangement, can be easily adjusted, and can authenticate a bill, negotiable instrument, and the like with high reliability, adjustment is...
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6635405 |
Print quality test structure for lithographic device manufacturing
Disclosed is a print quality test structure for devices manufactured by lithography. The test structure allows for visual inspection of the print quality of the device. The test structure decouples...
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6634482 |
Bill and coin checker
Improved currency scanners for coins and bills which are connected to computers having memories which contain information concerning coinage or printing errors and scarce coins or bills and which...
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6633052 |
Discriminating paper sensor
A paper sensor uses two sample and hold circuits which are fired by the phase and antiphase of an oscillator that also drives an infrared light emitting diode (LED). These circuits sample the...
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6633370 |
Quantum dots, semiconductor nanocrystals and semiconductor particles used as fluorescent coding elements
A method is disclosed for obtaining information about an object, as is a system operating in accordance with the method. The method includes steps of (a) placing a plurality of regions onto the...
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6631199 |
Automated identification through analysis of optical birefringence within nail beds
A system for encoding, comparing, and recognizing individuals by analysis of their fingernails employs collimated light having finite bandwidth ( 810 ). The light ( 810 ) is divided into polarized...
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6628813 |
Individualized fingerprint scanner
A method and apparatus whereby a fingerprint verifier has a mechanism to slide a prism over an imaged area of a camera. The position of the prism being determined by a binary absolute linear code...
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6628377 |
Scanning optical semiconductor fingerprint detector
A narrow array optical fingerprint detector that substantially eliminates over-sampling of the array measures the speed of a finger moving over the array and scans the array at a rate determined by...
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6628439 |
Genuineness detecting system and method for using genuineness detecting film
An authenticity identifying film ( 10 ) has a reflective film ( 11 ) having a circularly polarized light selectivity to reflect at least only either of right-handed circularly polarized light and...
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6608670 |
Laser verification and authentication raman spectrometer (LVARS) detecting the stokes and/or anti-stokes emission
The LVARS is a fully instrumental, non-destructive spectroscopic device for the analysis and verification and authentication of the optical and electromagnetic properties (OEMP) of the inks, dyes,...
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6603871 |
First-order authentication system
A system ( 10 ) is provided for performing first order authentication of articles marked with indicia ( 30 ) discernible in visible, ultraviolet, or infrared light or tagged with UV- or...
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