Matches 1 - 16 out of 16


Match Document Document Title
US20050089204 Rolled print prism and system  
A live print scanner includes a prism having a concave platen surface to receive a digit (e.g., a finger). The prism has light input and output faces. An illumination system is configured to...
US20050226480 Compact device for anamorphically imaging the surface of objects using a reflecting prism  
The invention concerns a device for the graphical reproduction of the surface of objects, in which additional prisms are placed in the path of the detection beam between a scanning prism and an...
US20080298650 Optical finger print acquisition apparatus using a prism  
An optical fingerprint acquisition apparatus using a prism, which can improve the quality of a fingerprint image acquired by an image sensor, is provided. The optical fingerprint acquisition...
US20140023249 AUTHENTICATION APPARATUS AND AUTHENTICATION METHOD  
The present invention is an authentication apparatus comprising: a prism of an approximately quadrangle-frustum shape, the prism of the approximately quadrangle-frustum shape is arranged so that a...
US20080273771 APPARATUS FOR CAPTURING A HIGH QUALITY IMAGE OF A MOIST FINGER  
An apparatus for capturing the image of a wet/moist fingerprint. The apparatus includes: a prism having an imaging plane on which a finger having valleys and ridges is place, a bottom plane...
US20050157914 TFT sensor having improved imaging surface  
Disclosed is an image capture sensor including a light detection transistor having a light sensitive layer which conducts electricity in response to detection of a predetermined amount of light...
US20140286548 METHOD AND APPARATUS FOR IDENTIFYING FAKE FINGERPRINT  
An apparatus for identifying a fake fingerprint, the apparatus comprising: a prism having a fingerprint contact surface with which a fingerprint comes in contacted; an internal light source...
US20100183200 Fingerprint Input Module  
A fingerprint input module includes at least one prism sheet, an image-capturing unit, and a planar light source. The prism sheet has a micro-prism array. The image-capturing unit has a lens. The...
US20050175558 Method and process for detecting a nail surface  
The invention is a method and process of facilitating detection of a nail surface by digitizing devices. The detection method and process is facilitated by applying a coating composition or a...
US20050249390 Method and apparatus for discriminating ambient light in a fingerprint scanner  
A surface pattern imaging device applicable to fingerprint and other surface imaging applications operates with an illumination source. In an embodiment, the illumination source is a narrow band...
US20060291704 Apparatus and method for obtaining images using a prism  
An improved apparatus and method for obtaining images through a prism are provided. In an embodiment, a thin fingerprint prism wedge, with a geometry designed to minimize foreshortening and...
US20060050938 Method and device for improving the representation of CT recordings  
A method and a device are disclosed for improving visual recognition in medical images with a large brightness range. This can be done, for example, by electronic manipulation of the represented...
US20110200237 PATTERN MATCHING DEVICE AND PATTERN MATCHING METHOD  
A pattern matching device 1 includes an image obtaining unit 101 that obtains an image of a subject containing plural types of biometric patterns. Further, the pattern matching device 1 includes a...
US20120087555 IMAGING DEVICE HAVING A PRISMATIC ELEMENT  
An imaging device includes a transparent prismatic element having two contiguous inlet surfaces separated by a ridge. A lens and an image sensor make it possible to acquire images, each including...
US20160224820 SYSTEM AND METHOD OF CAPTURING AND PRODUCING BIOMETRIC-MATCHING QUALITY FINGERPRINTS AND OTHER TYPES OF DACTYLOGRAPHIC IMAGES WITH A MOBILE DEVICE  
An optical module includes a housing with a lighting mechanism, an aperture formed therein, and a window that frames a transparent surface adapted to contact a skin surface of a person, for...
US20140369575 SYSTEM AND METHOD OF CAPTURING AND PRODUCING BIOMETRIC-MATCHING QUALITY FINGERPRINTS AND OTHER TYPES OF DACTYLOGRAPHIC IMAGES WITH A MOBILE DEVICE  
An optical module includes a housing with a lighting mechanism, an aperture formed therein, and a window that frames a transparent surface adapted to contact a skin surface of a person, for...

Matches 1 - 16 out of 16