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Class Information
Number: 382/120
Name: Image analysis > Applications > Personnel identification (e.g., biometrics) > Using a signature > Sensing pressure together with speed or acceleration
Description: Subject matter wherein the pressure characteristics of the writing sample are used in combination with either speed (velocity, that is, the first derivative of the values of the pen movement) or acceleration (change in velocity, that is, the second derivative of the values of the pen movement) characteristic to identify the person doing the writing.

Patents under this class:

Patent Number Title Of Patent Date Issued
8644878 Apparatus and method for operation according to squeezing in portable terminal Feb. 4, 2014
8638994 Electronic device for collecting finger data and displaying a finger movement trace and related methods Jan. 28, 2014
8503740 Methods and apparatus for digit swipe sensor data streaming Aug. 6, 2013
8391590 System and method for three-dimensional biometric data feature detection and recognition Mar. 5, 2013
8317609 Method, apparatus and system for determining the presence of a user at a device such as a gaming machine Nov. 27, 2012
8320709 Information processing method and apparatus for calculating information regarding measurement target on the basis of captured images Nov. 27, 2012
8264716 Ringtone, voice, and sound notification of printer status Sep. 11, 2012
8047914 Player verification system Nov. 1, 2011
8031909 Method and apparatus for producing 3D model of an underground environment Oct. 4, 2011
8005273 Systems and methods for identifying a document with forged information in non-signature information fields Aug. 23, 2011
7983455 System and methods of acquisition, analysis and authentication of the handwritten signature Jul. 19, 2011
7965876 Systems and methods for image segmentation with a multi-stage classifier Jun. 21, 2011
7865018 Personalized implicit and explicit character shape adaptation and recognition Jan. 4, 2011
7706580 Systems and methods for identifying a document with forged information Apr. 27, 2010
7706581 Fingerprint detection using sweep-type imager with optoelectronic speed sensor Apr. 27, 2010
7693312 Method for authenticating an electronic signature Apr. 6, 2010
7694145 Indicating status for digital signatures Apr. 6, 2010
7668349 Three-dimensional segmentation using deformable surfaces Feb. 23, 2010
7646893 Biometric information apparatus narrowing biometric information of registered users used when authorizing a candidate based on features extracted from the biometric information of the candidat Jan. 12, 2010
7613334 Method and arrangement for electronic recording of rolled fingerprints Nov. 3, 2009
7570787 X-ray inspection apparatus and method for creating an image processing procedure for the X-ray inspection apparatus Aug. 4, 2009
7515316 Image reading device Apr. 7, 2009
7486807 Image retrieving device, method for adding keywords in image retrieving device, and computer program therefor Feb. 3, 2009
7474771 Handwriting trajectory recognition system and method Jan. 6, 2009
7426288 Information processing apparatus and signature data input programs Sep. 16, 2008
7406599 Indicating status for digital signatures Jul. 29, 2008
7337577 Attachable fishing pole strike indicator Mar. 4, 2008
7197167 Registration apparatus and method, as for voting Mar. 27, 2007
6763126 Unauthorized user prevention device and method Jul. 13, 2004
6633282 Ballpoint pen type input device for computer Oct. 14, 2003
6625314 Electronic pen device and character recognition method employing the same Sep. 23, 2003
6563940 Unauthorized user prevention device and method May. 13, 2003
6546134 System for assessment of fine motor control in humans Apr. 8, 2003
6334003 Data input system for enabling data input by writing without using tablet or the like Dec. 25, 2001
6160914 Handwritten character verification method and apparatus therefor Dec. 12, 2000
5802200 Method for determining a reference autograph character string on the basis of a set of sample autograph character strings from the same writer Sep. 1, 1998
5730602 Computerized method and apparatus for teaching handwriting Mar. 24, 1998
5705993 Authentication system and method Jan. 6, 1998
5604817 Tooth measurement without calbration bodies Feb. 18, 1997
5568565 Handwriting input method and apparatus Oct. 22, 1996
5054088 Signature verification data compression for storage on an identification card Oct. 1, 1991
4789934 Signature verification algorithm Dec. 6, 1988
4736445 Measure of distinguishability for signature verification Apr. 5, 1988
4562592 Shifting technique for signature verification Dec. 31, 1985
4553259 Semi-independent shifting technique for signature verification Nov. 12, 1985
4553258 Segmentation algorithm for signature vertification Nov. 12, 1985
4513437 Data input pen for Signature Verification Apr. 23, 1985
4128829 Signature verification method and apparatus utilizing both acceleration and pressure characteristics Dec. 5, 1978

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