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| Application No. | Application Title | Issue Date |
| 20110200237 | 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 separation-and-extraction unit 102 that separ... | 08/18/2011 |
| 20100183200 | 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 planar light source is disposed between the prism sheet and the image-capt... | 07/22/2010 |
| 20080298650 | 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 apparatus using the prism includes a pentagon prism including an input face ... | 12/04/2008 |
| 20080273771 | 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 parallel to the imaging plane and a reflective plane intercepting the imaging pl... | 11/06/2008 |
| 20070196003 | Optical finger print input device An optical fingerprint input device by where a mark identification is attached to one surface of a prism and reflected by light beams coming from an external light source to be incident on a lens such that erroneous recognition caused by a fingerprint afterimage of wate... | 08/23/2007 |
| 20070189588 | Optical finger print input device for mobile apparatus An optical fingerprint image input device for a mobile apparatus includes: a plate-shaped fingerprint contact member; a distortion correcting member for correcting distortions; light sources disposed at both sides of the fingerprint contact member, other than an incline... | 08/16/2007 |
| 20070116331 | System and method for robust fingerprint acquisition Combined multispectral and total-internal-reflectance biometric imaging systems are disclosed. A platen has multiple facets, at least one of which has a surface adapted for placement of a purported skin site by an individual and another facet may include an optical abso... | 05/24/2007 |
| 20060291704 | 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 maximize contrast, is provided in an optical path between an optical sensor and ... | 12/28/2006 |
| 20060159317 | Optical engine for fingerprint reader An optical engine for fingerprint reader with a one-piece optical prism has double functions of prism and lens for replacing optical engines of traditional fingerprint readers that consists of a right-angle prism and a lens. Thus the volume of the device is minimized fo... | 07/20/2006 |
| 20060050938 | 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 brightness values, wherein the image has regions with essentially two diffe... | 03/09/2006 |
| 20050249390 | 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 green light, and an optical imaging path of the reader includes a green ban... | 11/10/2005 |
| 20050226480 | 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 optoelectric sensor. Such optical devices are particularly suited for taking... | 10/13/2005 |
| 20050175558 | 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 stencil to the nail surface. The method and process utilizes a coating composi... | 08/11/2005 |
| 20050169506 | Low power fingerprint capture system, apparatus, and method The present invention provides a large format fingerprint capture apparatus, system and method that is low power, compact, and lightweight and has a platen area greater than 3.0 square inches. The present system is typically powered, controlled, and exchanges data over ... | 08/04/2005 |
| 20050157914 | 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 and a switch interconnected to the light detection transistor and responsive... | 07/21/2005 |
| 20050089204 | 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 illuminate the concave platen surface. A camera system includes a camera that d... | 04/28/2005 |
