Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5619504 | Telecommunication system and a main station for use in such a system | Petrus A. M. Van Grinsven | 1997-04-08 |
| 5579321 | Telecommunication system and a main station and a substation for use in such a system | Petrus, A. M. Van Grinsven | 1996-11-26 |
| 5509003 | TDM data communications network wherein each data frame is divided into respective lower rate sub-frames for respective sets of substations, and main station and substation for use therein | Petrus A. M. Van Grinsven | 1996-04-16 |
| 5307328 | Magneto-optical scanning device with small coil | Bernardus A. J. Jacobs, Petrus A. M. Van Grinsven, Johannes H. M. Spruit | 1994-04-26 |
| 4800384 | Arrangement for identifying peripheral apparatus such as work stations printers and such like, which can optionally be connected in geographically different locations to a communication network by means of local coupling units | — | 1989-01-24 |
| 4573169 | Communication system for bi-phase transmission of data and having sinusoidal low pass frequency response | Petrus J. Van Gerwen | 1986-02-25 |
| 4464746 | Arrangement for correcting pulse distortion in homochronous data transmission | Johannes J. W. Kalfs, Petrus J. Van Gerwen | 1984-08-07 |
| 4362909 | Echo canceler with high-pass filter | Nicolaas Alphonsus Maria Verhoeckx, Petrus J. Van Gerwen | 1982-12-07 |
| 4349889 | Non-recursive filter having adjustable step-size for each iteration | Hendricus C. van den Elzen, Petrus J. Van Gerwen, Nicolaas Alphonsus Maria Verhoeckx | 1982-09-14 |
| 4334128 | Echo canceler for homochronous data transmission systems | — | 1982-06-08 |
| 4317212 | Arrangement for checking the synchronization of a receiver | Petrus J. Van Gerwen | 1982-02-23 |
| 4313088 | Arrangement for generating a clock signal | Petrus J. Van Gerwen | 1982-01-26 |
| 4313203 | Transmission system for the transmission of binary data symbols | Petrus J. Van Gerwen | 1982-01-26 |