Inventor
LIESS MARTIN DIETER
NL10 patents
Patents
10 patentsUS6872931B2Mar 29, 2005
Optical input device for measuring finger movement
KONINKL PHILIPS ELECTRONICS NV95 citations97
US6707027B2Mar 16, 2004
Method of measuring the movement of an input device
KONINKL PHILIPS ELECTRONICS NV294 citations96
US7619744B2Nov 17, 2009
Movement sensor
KONINKL PHILIPS ELECTRONICS NV32 citations92
US7573463B2Aug 11, 2009
Apparatus equipped with an optical keyboard and optical input device
KONINKL PHILIPS ELECTRONICS NV22 citations92
US6816537B2Nov 9, 2004
Device having touch sensitivity functionality
KONINKL PHILIPS ELECTRONICS NV50 citations92
US7589709B2Sep 15, 2009
Method of measuring the movement of an input device
KONINKL PHILIPS ELECTRONICS NV29 citations89
US6759671B2Jul 6, 2004
Method of measuring the movement of a material sheet and optical sensor for performing the method
KONINKL PHILIPS ELECTRONICS NV18 citations89
US7339683B2Mar 4, 2008
Method of measuring the movement of an input device
KONINKL PHILIPS ELECTRONICS NV15 citations80
US7439484B2Oct 21, 2008
Laser measurement apparatus using self-mixing effect
KONINKL PHILIPS ELECTRONICS NV7 citations73
US7221236B2May 22, 2007
Waveguide communication system
KONINKL PHILIPS ELECTRONICS NV2 citations56