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7369690 |
Apparatus for recognizing an image
In a fingerprint recognition apparatus, a first recognition section is formed on a center portion of a transparent substrate and a second recognition section is formed on the transparent substrate...
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7366328 |
Method and device for preventing false acceptance of latent fingerprint images
Disclosed is a method for detecting a latent fingerprint image provided to a biometric input device of a fingerprint based security system. First and second images of the fingerprint are captured...
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7248719 |
Tokenless electronic transaction system
The invention as described provides a method and system for tokenless authorization of commercial transactions between a buyer and a seller using a computer system. The method comprises the steps...
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7225986 |
Image reading system
An image reading system which reads the images of a detectable object comprising an image display device that has an image display area to display images having luminosity corresponding to the...
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7181052 |
Fingerprint image input device and living body identification method using fingerprint image
A color image sensor sequentially acquires a plurality of fingerprint images when a finger is pressed against the detector surface. A color information extraction unit detects the finger color in...
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7133792 |
Method and apparatus for calibration over time of histological and physiological biometric markers for authentication
The present invention is directed toward a method for calibrating a biometric authentication device over time. The method of the present invention involves obtaining an authenticating biometric...
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7084415 |
Fingerprint reading method using compared monochromatic images and fingerprint reading apparatus
A red LED which emits red light and a green LED which emits green light are provided as light sources to emit detection beams onto a fingerprint collation surface. With a finger tip pressed against...
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6956608 |
Fingerprint imaging device including an optical plate having microreflectors
A compact-sized fingerprint imaging device includes an optical plate for creating a fingerprint pattern at a finger field on the optical plate. The fingerprint pattern is illuminated with light...
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6917695 |
High contrast, low distortion optical acquisition system for image capturing
Disclosed is an apparatus for forming a high contrast image of a patterned object, such as a fingerprint, including a first lens having a light receiving surface and a viewing surface and a second...
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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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6724689 |
Personal identification method and apparatus using acoustic resonance analysis of body parts
An acoustic spectra personal identification system comprising acoustic signal generating means, acoustic transducer means and computer means including storage means, processor means and acoustic...
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6665427 |
Apparatus and method for electronically acquiring fingerprint image with low cost removable platen and separate imaging device
In one embodiment, a fingerprint sensing system includes a sheet prism having a sensing surface and a number of prismlets positioned opposite to the sensing surface. Each prismlet has an entrance...
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6490366 |
Information processing apparatus
When a user places his finger on a fingerprint detecting section, in the fingerprint detecting section, a shadow made by the finger placed on the fingerprint detecting section is detected by a...
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6483929 |
Method and apparatus for histological and physiological biometric operation and authentication
The present invention is directed toward a device for biometric authentication. The device comprises an infra red signal transmitter, signal receiver, memory module, and processing module. The...
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6388247 |
Fingernail sensors for measuring finger forces and finger posture
A device for detecting the posture a finger or forces applied to a finger, the finger having a fingernail illuminated by light, comprises at least one photodetector for measuring a change in light...
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6330346 |
Method and apparatus for subcutaneous identification
Apparatus for non-invasive reading of subcutaneous material, including in one package light emitters of a wavelength capable of illuminating subcutaneous material, light detecting elements...
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6327376 |
Electronic apparatus comprising fingerprint sensing devices
An electronic apparatus comprising a fingerprint sensing device (10) having an array of sensing elements (12) carried on a transparent substrate (35) for sensing capacitively the ridge pattern of a...
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6292576 |
Method and apparatus for distinguishing a human finger from a reproduction of a fingerprint
A method and apparatus for distinguishing a human finger from a reproduction of a fingerprint. A finger is placed on a transparent platen having a prism or microprism array attached. A first light...
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6236037 |
Finger touch sensors and virtual switch panels
A device for detecting contact pressure applied to a finger, the finger having a fingernail illuminated by light, comprises at least one photodetector for measuring a change in light reflected by...
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6229908 |
Driver alcohol ignition interlock
A method and an ignition interlock for preventing operation of equipment when an operator's blood-alcohol content is above a threshold value. The interlock has a blood-alcohol detector that...
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6128399 |
Fingerprint sensor device
The fingerprint sensor device comprises a thin flat transparent support (10) having an outside face for receiving the end of a finger and carrying on an inside face a two-dimensional matrix of...
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6122394 |
Compact, simple, 2D raster, image-building fingerprint scanner
A beam (38) of electromagnetic radiation deflected by a moving mirror plate (56) of a micromachined scanner (54) produces a two dimensional ("2D") raster (132) on a scanned surface (28) of a block...
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6052475 |
Fingerprint detector using ridge resistance sensing array
A fingerprint detector that uses a skin resistance sensing array for producing a sample trajectory signal when a fingertip is moved across the sensing array surface. The sample trajectory signal...
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6031942 |
Image collation method and apparatus for excluding combinations of coordinate values
A plurality of linear images are cut, the cut linear images are scanned successively on other images to detect positions where the degree of similarity is high, and these detected coordinate values...
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5974162 |
Device for forming and detecting fingerprint images with valley and ridge structure
A method and ultra-compact system has been developed for illuminating and detecting the surface topography of an object such as the finger of an individual. The system is capable of producing...
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5953441 |
Fingerprint sensor having spoof reduction features and related methods
A fingerprint sensor includes an array of impedance sensing elements for generating signals related to an object positioned adjacent thereto, and a spoof reducing circuit for determining whether or...
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5864296 |
Fingerprint detector using ridge resistance sensor
A technique for detecting and verifying a fingerprint includes a skin resistance sensing array for translating the skin resistance of a fingertip into an electrical signal. The fingertip is moved...
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5793881 |
Identification system
A system for identifying an individual by having the person grasp an object which contains a means for detecting the structure and other characteristics of the hand and comparing these unique...
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5737439 |
Anti-fraud biometric scanner that accurately detects blood flow
The invention discloses an anti-fraud biometric scanner that determines whether an object exhibits characteristics of blood flow consistent with that of a live human. The anti-fraud biometric...
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5737071 |
Method and apparatus for enhancing live-scan fingerprint reader images
A method and apparatus for improving the optical boundary between a person's fingerprint ridges and the surface platen of a live-scan-imaging apparatus includes providing an absorbent pad...
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5732148 |
Apparatus and method for electronically acquiring fingerprint images with low cost removable platen and separate imaging device
A thin, inexpensive, removable platen for a direct fingerprint reader without a permanently attached platen. A removable platen is formed as a transparent area on a credit card, passport or...
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5621516 |
Optical device for forming an image of an uneven surface
An optical device for forming an image of an uneven surface, including a plane-parallel plate with a pair of parallel plane surfaces which is made of a transparent material having a refractive...
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5619586 |
Method and apparatus for producing a directly viewable image of a fingerprint
A directly viewable fingerprint image is formed by illuminating a transparent planar substrate from one surface with collimated light, the substrate having pressed against the other surface a...
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5596454 |
Uneven surface image transfer apparatus
Enhanced performance of an uneven surface image transfer apparatus is provided by using a well-defined convergent field of illumination that is nominally focussed at the stop of an imaging lens. An...
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5426296 |
Irregular pattern input device comprising an optical fiber bundle
An irregular pattern input device includes an optical fiber bundle in which an entrance surface and an exit surface are respectively formed at both ends thereof. Lighting means emits irradiation...
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