Issued Patents 2002
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6499661 | MULTI-FOCAL LASER SCANNING BAR CODE SYMBOL READING SYSTEM EMPLOYING A SCAN DATA SIGNAL PROCESSOR HAVING A VARIABLE PASS-BAND FILTER STRUCTURE WITH FREQUENCY CHARACTERISTICS CONTROLLED BY DETECTING THE FOCAL DISTANCE OF THE LASER SCANNING BEAM PRODUCING THE ANALOG SCAN DATA SIGNAL BEING PROCESSED BY SAID DATA SIGNAL PROCESSOR | Mark Lucera, Frank Check, C. Harry Knowles, Xiaoxun Zhu | 2002-12-31 |
| 6481625 | Laser scanning bar code symbol reader employing variable pass-band filter structures having frequency response characteristics controlled by time-measurement of laser-scanned bar code symbol | Mark Lucera, Frank Check, C. Harry Knowles, Xiaoxun Zhu | 2002-11-19 |
| 6474556 | Laser scanning system mounted over a conveyor belt along which packages bearing bar code symbols are transported and scanned | John Groot, Carl Harry Knowles, Thomas Amundsen | 2002-11-05 |
| 6464141 | BAR CODE SYMBOL SCANNING SYSTEM FOR AUTOMATICALLY LASER SCANNING BAR CODE SYMBOLS WITHIN A 3-D SCANNING VOLUME AND PRODUCING INFORMATION SPECIFYING THE POSITION OF EACH BAR CODE SYMBOL DETECTED WITHIN SAID 3-D SCANNING VOLUME | John Groot, Carl Harry Knowles, Thomas Amundsen | 2002-10-15 |
| 6457642 | Automated system and method for identifying and measuring packages transported through a laser scanning tunnel | Timothy Good, Xiaoxun Zhu, David M. Wilz, Sr., George B. Rockstein, Stephen J. Colavito +9 more | 2002-10-01 |
| 6457646 | Laser code symbol scanning system with high-resolution 2-D scanning field steerable with 3-D scanning volume | John Groot, Carl Harry Knowles, Thomas Amundsen | 2002-10-01 |
| 6439462 | Conveyor-belt mounted bar code symbol reading system employing a steerable bar code symbol scanner to automatically scan bar code symbols detected by a holographic-based bar code position detector | John Groot, Carl Harry Knowles, Thomas Amundsen | 2002-08-27 |
| 6422467 | Reading system a variable pass-band | Mark Lucera, Frank Check, C. Harry Knowles, Xiaoxun Zhu | 2002-07-23 |
| 6422466 | Method of and system for automatically identifying packages during package transport operations carried out by a human operator walking through the doorway of a storage container | John Groot, Carl Harry Knowles, Thomas Amundsen | 2002-07-23 |
| 6415980 | Holographic laser scanning system for laser scanning of bar code symbols within 3-D scanning volume having a large depth field | John Groot, Carl Harry Knowles, Thomas Amundsen | 2002-07-09 |
| 6382515 | Automated system and method for identifying and measuring packages transported through a laser scanning tunnel | Timothy Good, Xiaoxun Zhu, David M. Wilz, Sr., George B. Rockstein, Stephen J. Colavito +8 more | 2002-05-07 |
| 6375074 | Holographic laser scanner for producing a highly-defined three-dimensional scanning volume having multiple focal regions within which the laser scanlines are spatially confined | John Groot, Carl Harry Knowles, Thomas Amundsen | 2002-04-23 |
| 6360947 | AUTOMATED HOLOGRAPHIC-BASED TUNNEL-TYPE LASER SCANNING SYSTEM FOR OMNI-DIRECTIONAL SCANNING OF BAR CODE SYMBOLS ON PACKAGE SURFACES FACING ANY DIRECTION OR ORIENTATION WITHIN A THREE-DIMENSIONAL SCANNING VOLUME DISPOSED ABOVE A CONVEYOR BELT | C. Harry Knowles, Timothy Good, Thomas Amundsen, Charles A. Naylor, David M. Wilz, Sr. +1 more | 2002-03-26 |