| Patent Number |
Title Of Patent |
Date Issued |
| 8290150 |
Method and system for electronically securing an electronic device using physically unclonable f |
October 16, 2012 |
| The invention is directed to a system for securing an integrated circuit chip used in an electronic device by utilizing a circuit or other entity to produce physically unclonable functions (PUF) circuit to generate encryption keys, such as an RSA public or private key. A PUF circuit, |
| 8278946 |
Apparatus and method for detecting finger activity on a fingerprint sensor |
October 2, 2012 |
| An apparatus and method for detecting the presence of a finger on a fingerprint sensor is disclosed in one embodiment of the invention as including transmitting a probing signal, comprising a series of probing pulses, to a fingerprint sensing area. A response signal, comprising a ser |
| 8276816 |
Smart card system with ergonomic fingerprint sensor and method of using |
October 2, 2012 |
| A unitized smart card device with a partial fingerprint sensor, ergonomic guides and a processor is disclosed. The smart card contains secure memory, battery, and a processor to run the fingerprint sensor. The ergonomic guides help insure that the users finger properly swipes the fin |
| 8229184 |
Method and algorithm for accurate finger motion tracking |
July 24, 2012 |
| Enhanced accuracy finger position and motion sensors devices, algorithms, and methods are disclosed that can be used in a variety of different applications. The sensors can be used in conjunction with partial fingerprint imagers to produce improved fingerprint scanners. The finger mo |
| 8224044 |
Fingerprint sensing assemblies and methods of making |
July 17, 2012 |
| A fingerprint sensing module includes a sensor substrate having a sensing side and a circuit side, an image sensor including conductive traces on the circuit side of the sensor substrate, and a sensor circuit including at least one integrated circuit mounted on the circuit side of the se |
| 8204281 |
System and method to remove artifacts from fingerprint sensor scans |
June 19, 2012 |
| A method and device for removing common artifacts, such as stiction, from fingerprint scans created by partial fingerprint scanners. The partial fingerprint scanner data is assessed to determine if successive partial fingerprint images are overly similar to each other, which can occur |
| 8175345 |
Unitized ergonomic two-dimensional fingerprint motion tracking device and method |
May 8, 2012 |
| A sensor which uses a plurality of partial fingerprint readers (imagers), and various computational algorithms, to detect changes in fingerprint images as a function of finger movement. The sensor can provide both finger motion information and fingerprint images. The sensor uses mult |
| 8165355 |
Method and apparatus for fingerprint motion tracking using an in-line array for use in navigatio |
April 24, 2012 |
| The invention provides an independent relative motion sensor for use in navigation operations using a fingerprint that do not require the power demanded by conventional devices. The independent relative motion sensor includes a linear array of sensing elements that captures a narrow stri |
| 8131026 |
Method and apparatus for fingerprint image reconstruction |
March 6, 2012 |
| Enhanced accuracy finger position and motion sensors devices, algorithms, and methods are disclosed that can be used in a variety of different applications. The sensors can be used in conjunction with partial fingerprint imagers to produce improved fingerprint scanners. Such improved |
| 8116540 |
Apparatus and method for reducing noise in fingerprint sensing circuits |
February 14, 2012 |
| An apparatus for reducing noise in fingerprint sensing circuits is disclosed in one embodiment of the invention as including a fingerprint sensing area onto which a user can apply a fingerprint. An analog front end is coupled to the fingerprint sensing area and is configured to gener |
| 8107212 |
Apparatus and method for protecting fingerprint sensing circuitry from electrostatic discharge |
January 31, 2012 |
| A fingerprint sensor in accordance with the invention includes a non-conductive substrate providing a first surface onto which a user can apply a fingerprint to be sensed. A sensor circuit is applied to a second surface of the non-conductive substrate opposite the first surface to se |
| 8077935 |
Methods and apparatus for acquiring a swiped fingerprint image |
December 13, 2011 |
| A method for assisting a user of a fingerprint sensing system includes sensing a position of a user's finger relative to a swiped fingerprint image sensor, and providing to the user, in response to the sensed finger position, an indication of finger placement relative to the fingerprint |
| 8005276 |
Apparatus and method for reducing parasitic capacitive coupling and noise in fingerprint sensing |
August 23, 2011 |
| A fingerprint sensing circuit for reducing noise and parasitic capacitive coupling is disclosed in one embodiment of the invention as including a plurality of transmitting elements to sequentially emit a probing signal. A digital ground is provided to ground digital components in the |
| 7953258 |
Fingerprint sensing circuit having programmable sensing patterns |
May 31, 2011 |
| A fingerprint sensor with programmable sensing patterns is disclosed in one embodiment of the invention as including a fingerprint sensing circuit having multiple I/O interconnects. The I/O interconnects are configured to sequentially drive a plurality of fingerprint sensing elements |
| 7751601 |
Fingerprint sensing assemblies and methods of making |
July 6, 2010 |
| A fingerprint sensing module includes a sensor substrate having a sensing side and a circuit side, an image sensor including conductive traces on the circuit side of the sensor substrate, and a sensor circuit including at least one integrated circuit mounted on the circuit side of the se |
| 7643950 |
System and method for minimizing power consumption for an object sensor |
January 5, 2010 |
| A system and method is disclosed for minimizing power consumption of a sensor unit that is capable of detecting an object. Main circuitry operates the sensor unit in a high power mode of operation when the sensor unit detects an object. Low power control circuitry operates the sensor |
| 7463756 |
Finger position sensing methods and apparatus |
December 9, 2008 |
| A finger position sensing apparatus, typically used in a fingerprint sensing system, includes a position pickup plate disposed generally orthogonally with respect to an expected direction of movement of a finger and a plurality of position drive plates having different spacings from |
| 7460697 |
Electronic fingerprint sensor with differential noise cancellation |
December 2, 2008 |
| Image sensing apparatus includes an image pickup plate disposed generally orthogonally with respect to an expected direction of movement of an object, such as a finger, multiple image drive plates in spaced relation to the image pickup plate to define sensor gaps between respective image |
| 7146024 |
Swiped aperture capacitive fingerprint sensing systems and methods |
December 5, 2006 |
| A fingerprint sensing system includes an image sensor, a rate sensor and a sensor circuit. The image sensor includes a linear array of capacitive sensors for capacitive sensing of ridge peaks and ridge valleys of a fingerprint on a swiped finger. The rate sensor senses the speed of the |
| 7099496 |
Swiped aperture capacitive fingerprint sensing systems and methods |
August 29, 2006 |
| A fingerprint sensing system includes an image sensor, a rate sensor and a sensor circuit. The image sensor includes a linear array of capacitive sensors for capacitive sensing of ridge peaks and ridge valleys of a fingerprint on a swiped finger. The rate sensor senses the speed of the |
