Issued Patents All Time
Showing 26–47 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6457646 | Laser code symbol scanning system with high-resolution 2-D scanning field steerable with 3-D scanning volume | LeRoy Dickson, 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 | LeRoy Dickson, Carl Harry Knowles, Thomas Amundsen | 2002-08-27 |
| 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 | LeRoy Dickson, 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 | LeRoy Dickson, Carl Harry Knowles, Thomas Amundsen | 2002-07-09 |
| 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 | LeRoy Dickson, Carl Harry Knowles, Thomas Amundsen | 2002-04-23 |
| 6328215 | Method and system for automatically identifying packages during package sortation operations manually carried out by a human operator | LeRoy Dickson, Carl Harry Knowles, Thomas Amundsen | 2001-12-11 |
| 6290132 | Holographic-based bar code symbol position detection system for producing bar code symbol position data specifying the position of a detected bar code symbol within a 3-D scanning volume above a conveyor belt structure | LeRoy Dickson, Carl Harry Knowles, Thomas Amundsen | 2001-09-18 |
| 6199759 | Bar code symbol scanning system having a holographic laser scanning disc utilizing maximum light collection surface area thereof and having scanning facets with optimized light collection efficiency | LeRoy Dickson, Carl Harry Knowles, Thomas Amundsen | 2001-03-13 |
| 6158659 | Holographic laser scanning system having multiple laser scanning stations for producing a 3-D scanning volume substantially free of spatially and temporally coincident scanning planes | LeRoy Dickson, Frank Check, C. Harry Knowles | 2000-12-12 |
| 6112990 | Compact holographic laser scanning system having a high scanning-volume-to-housing-volume ratio | LeRoy Dickson, Carl Harry Knowles, Thomas Amundsen | 2000-09-05 |
| 6085978 | Holographic laser scanners of modular construction and method and apparatus for designing and manufacturing the same | C. Harry Knowles, LeRoy Dickson, Thomas Amundsen, Thomas Carullo | 2000-07-11 |
| 6085980 | Holographic laser scanning system for producing an omni-directional scanning pattern within a 3-D scanning volume | LeRoy Dickson, Carl Harry Knowles, Thomas Amundsen | 2000-07-11 |
| 6076736 | Holographic laser scanning system employing light focusing optics below the holographic scanning disc | LeRoy Dickson, Carl Harry Knowles, Thomas Amundsen | 2000-06-20 |
| 6073846 | Holographic laser scanning system and process and apparatus and method | LeRoy Dickson, Carl Harry Knowles, Thomas Amundsen | 2000-06-13 |
| 6062479 | Holographic laser scanning system and process and apparatus and methods for designing and constructing the same | LeRoy Dickson, Carl Harry Knowles, Thomas Amundsen | 2000-05-16 |
| 6024282 | Holographic laser scanning system for omni-directional laser scanning of bar code symbols with 3-D scanning volume having a large depth of field | LeRoy Dickson, Carl Harry Knowles, Thomas Amundsen | 2000-02-15 |
| 6006993 | Holographic laser scanning system for carrying out laser beam scanning operations with improved scan angle multiplication efficiency and carrying out light collection operations with improved light collection efficiency | LeRoy Dickson, Carl Harry Knowles, Thomas Amundsen | 1999-12-28 |
| 6003772 | Holographic laser scanning system employing holographic scanning disc having dual-fringe contrast regions for optimized laser beam scanning and light collection operations | LeRoy Dickson, Carl Harry Knowles, Thomas Amundsen | 1999-12-21 |
| 5984185 | Laser scanning system employing parabolic light collection surfaces having optical axes disposed off the Bragg angle of the holographic optical elements of the holographic scanning disc thereof | LeRoy Dickson, Carl Harry Knowles, Thomas Amundsen | 1999-11-16 |
| 5975419 | Holographic laser scanner generating a high-resolution 2-D raster scanning pattern using a holographic scanning disc | LeRoy Dickson, Carl Harry Knowles, Thomas Amundsen | 1999-11-02 |
| 5955721 | Holographic scanning system with high-resolution 2-D a scanning field steerable within 3-D scanning volume | LeRoy Dickson, Carl Harry Knowles, Thomas Amundsen | 1999-09-21 |
| 5247167 | Multiple beam power monitoring system and method with radiation detection and focusing means of overlapping beams | Richard A. Bargerhuff, LeRoy Dickson, Melbourne E. Rabedeau, James M. Zavislan | 1993-09-21 |