| 6729546 |
System for reading two-dimensional images using ambient and/or projected light |
— |
2004-05-04 |
| 6385352 |
System and method for reading and comparing two-dimensional images |
— |
2002-05-07 |
| 6347163 |
System for reading two-dimensional images using ambient and/or projected light |
— |
2002-02-12 |
| 6123261 |
Optical scanner and image reader for reading images and decoding optical information including one and two dimensional symbologies at variable depth of field |
— |
2000-09-26 |
| RE36528 |
Optical scanning head |
— |
2000-01-25 |
| 5786582 |
Optical scanner for reading and decoding one- and two-dimensional symbologies at variable depths of field |
Donald Fisher |
1998-07-28 |
| 5777314 |
Optical scanner with fixed focus optics |
— |
1998-07-07 |
| 5756981 |
Optical scanner for reading and decoding one- and-two-dimensional symbologies at variable depths of field including memory efficient high speed image processing means and high accuracy image analysis means |
Roland L. Lawrence, Ali Lebaschi, Long Xiang Bian, Donald Fisher |
1998-05-26 |
| 5627358 |
System and method for reading two-dimensional barcodes |
— |
1997-05-06 |
| 5550366 |
Optical scanner with automatic activation |
— |
1996-08-27 |
| 5484994 |
Optical scanning head with improved resolution |
— |
1996-01-16 |
| D356559 |
Housing for optical scanner |
— |
1995-03-21 |
| 5291009 |
Optical scanning head |
— |
1994-03-01 |