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1 5.920. 384. A 7, 1999 B 7,200,250 B2 4/2007 Chou 5.920. 640 A 7, 1999 SEG 1 7.251 …

An novel impedance sensor for use together with a Switch is provided having a plurality of
substantially parallel drive lines configured to transmit a signal into a surface of a proxi mally …

5,818,956 A 10, 1998 {189% 6,963,626 B1 11/2005 Shaefferetal. 5,838,306 A 11, 1998 O 'fé
6,970,584 B2 11/2005 O'Gormanetal. 5,848,176 A 12, 1998 H onnorl 6,980,672 B2 12/2005 …

(51) Int. Cl.-0 GO2F L/335 (2006.01) This disclosure provides systems, methods and
apparatus for (52) US Cl a combined sensor device. In some implementations, a com USPG …

(57) ABSTRACT A system for securing an integrated circuit chip used for biometric sensors,
or other electronic devices, by utilizing a physically unclonable function (PUF) circuit. These …

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 …

(63) Continuation-in-part of application No. 1 1/519,383, Enhanced accuracy finger position
and mot1On SenSOrS filed on Sep. 11, 2006, and a continuation-in-part of devices …

US9600709B2 - Methods and systems for enrolling biometric data - Google Patents
US9600709B2 - Methods and systems for enrolling biometric data - Google Patents Methods …

US 2012/O242635 A1 Sep. 27, 2012(Continued) Related US Application Data (63)
Continuation-in-part of application No. 13/099.983, OTHER PUBLICATIONS filed on May 3 …

A fingerprint sensor which includes a conductive layer which is incorporatable within an
electronic display is disclosed. The fingerprint sensor also includes a controller coupled to …