Issued Patents All Time
Showing 51–75 of 80 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6492981 | Calibration of a system for tracking a writing instrument with multiple sensors | Michael Angelo, Gregory J. Wolff | 2002-12-10 |
| 6457026 | System to facilitate reading a document | Jamey Graham | 2002-09-24 |
| 6212296 | Method and apparatus for transforming sensor signals into graphical images | Michael Angelo, Gregory J. Wolff | 2001-04-03 |
| 6201903 | Method and apparatus for pen-based faxing | Gregory J. Wolff, Michael Angelo | 2001-03-13 |
| 6181329 | Method and apparatus for tracking a hand-held writing instrument with multiple sensors that are calibrated by placing the writing instrument in predetermined positions with respect to the writing surface | Michael Angelo, Gregory J. Wolff | 2001-01-30 |
| 6104380 | Direct pointing apparatus for digital displays | Gregory J. Wolff | 2000-08-15 |
| 6081261 | Manual entry interactive paper and electronic document handling and processing system | Gregory J. Wolff | 2000-06-27 |
| 6073118 | Method for performing secure financial transactions using facsimile transmissions | Michael J. Gormish, Peter E. Hart, Gregory J. Wolff | 2000-06-06 |
| 5963930 | Apparatus and method for enhancing transfer function non-linearities in pulse frequency encoded neurons | Ronald C. Keesing | 1999-10-05 |
| 5818966 | Method and apparatus for encoding color information on a monochrome document | K. Venkatesh Prasad | 1998-10-06 |
| 5806036 | Speechreading using facial feature parameters from a non-direct frontal view of the speaker | — | 1998-09-08 |
| 5781914 | Converting documents, with links to other electronic information, between hardcopy and electronic formats | K. Venkatesh Prasad | 1998-07-14 |
| 5771306 | Method and apparatus for extracting speech related facial features for use in speech recognition systems | Gregory J. Wolff, Earl Levine | 1998-06-23 |
| 5710816 | Method and apparatus for ensuring receipt of voicemail messages | Nancy P. Stork | 1998-01-20 |
| 5694228 | Document image processor with defect detection | Mark Peairs, John Cullen, James D. Allen, IV | 1997-12-02 |
| 5692048 | Method and apparatus for sending secure facsimile transmissions and certified facsimile transmissions | Michael J. Gormish, Gregory J. Wolff, Peter E. Hart, Yoshio Kawajiri | 1997-11-25 |
| 5680481 | Facial feature extraction method and apparatus for a neural network acoustic and visual speech recognition system | K. Venkatesh Prasad | 1997-10-21 |
| 5671282 | Method and apparatus for document verification and tracking | Gregory J. Wolff, K. Venkatesh Prasad | 1997-09-23 |
| 5642341 | CD ROM apparatus for improved tracking and signal sensing | — | 1997-06-24 |
| 5636326 | Method for operating an optimal weight pruning apparatus for designing artificial neural networks | Babak Hassibi | 1997-06-03 |
| 5621858 | Neural network acoustic and visual speech recognition system training method and apparatus | Gregory J. Wolff | 1997-04-15 |
| 5588090 | Signal processing apparatus | Toshiyuki Furuta, Shuji Motomura, Takahiro Watanabe | 1996-12-24 |
| 5586215 | Neural network acoustic and visual speech recognition system | Gregory J. Wolff, Earl Levine | 1996-12-17 |
| 5497236 | Method and apparatus for distortion correction of scanned images | Gregory J. Wolff | 1996-03-05 |
| 5471207 | Compression of palettized images and binarization for bitwise coding of M-ary alphabets therefor | Ahmad Zandi, James D. Allen, IV | 1995-11-28 |