Inventor
RUDOLPH VOLKER
DE17 patents
⚠️ This page may combine multiple inventors who share the name “RUDOLPH VOLKER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IBM
13 patentsUS5995953ANov 30, 1999
Method for verification of signatures and handwriting based on comparison of extracted features
IBM56 citations95
US6246793B1Jun 12, 2001
Method and apparatus for transforming an image for classification or pattern recognition
IBM28 citations92
US5657396AAug 12, 1997
Method and apparatus for pattern recognition and validation, especially for hand-written signatures
IBM51 citations92
US5251265AOct 5, 1993
Automatic signature verification
IBM72 citations92
US4553862ANov 19, 1985
Apparatus for the bounce-free landing of a print head
IBM7 citations67
US4566019AJan 21, 1986
Method of driving electrodes in an electroerosion printer
IBM3 citations62
US4313177AJan 26, 1982
Storage cell simulation for generating a reference voltage for semiconductor stores in mtl technology
IBM3 citations62
US4259730AMar 31, 1981
IIL With partially spaced collars
IBM2 citations62
US4170017AOct 2, 1979
Highly integrated semiconductor structure providing a diode-resistor circuit configuration
IBM6 citations61
US4542393ASep 17, 1985
Print head for an electroerosion printer
IBM6 citations56
US4575740AMar 11, 1986
Transistor circuit for reducing current after ignition in a metal paper printer
IBM0 citations51
US4536769AAug 20, 1985
Method of recording information on an electrosensitive record carrier
IBM1 citations49
US4502797AMar 5, 1985
Arrangement for pressing a print head against a record carrier
IBM1 citations43