Wirtz; Brigitte

Patent Applications and Registrations

Patent applications and USPTO patent grants for Wirtz; Brigitte.The latest application filed is for "method for forgery recognition in fingerprint recognition by using a texture classification of gray scale differential images".

Company Profile

0.7.4

Wirtz; Brigitte - Holzkirchen DE
Wirtz; Brigitte - Munchen DE

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Method for forgery recognition in fingerprint recognition by using a texture classification of gray scale differential images Grant 7,215,798 - Engels , et al. May 8, 2	2007-05-08
Method for analyzing fingerprint images Grant 7,133,541 - Haselsteiner , et al. November 7, 2	2006-11-07
Method for disturbance-component-free image acquisition by an electronic sensor Grant 6,990,218 - Wirtz January 24, 2	2006-01-24
Method for forgery recognition in fingerprint recognition by using a texture classification of gray scale differential images App 20040125994 - Engels, Angela ; et al.	2004-07-01
Smart card App 20030138103 - Dirscherl, Gerd ; et al.	2003-07-24
Method for disturbance-component-free image acquisition by an electronic sensor App 20030068073 - Wirtz, Brigitte	2003-04-10
Method for analyzing fingerprint images App 20030035571 - Haselsteiner, Ernst ; et al.	2003-02-20
Method for determining a reference autograph character string on the basis of a set of sample autograph character strings from the same writer Grant 5,802,200 - Wirtz September 1, 1	1998-09-01
Method for detecting the spatial position and rotational position of suitably marked objects in digital image sequences Grant 5,751,843 - Maggioni , et al. May 12, 1	1998-05-12
Method for the dynamic verification of an autograph character string on the basis of a reference autograph character string Grant 5,730,468 - Wirtz March 24, 1	1998-03-24
Method for detecting and estimating the spatial position of objects from a two-dimensional image Grant 5,533,177 - Wirtz , et al. July 2, 1	1996-07-02

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