Patent | Date |
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Hand-held bar code reader with laser scanning and 2D image capture Grant 6,223,988 - Batterman , et al. May 1, 2 | 2001-05-01 |
Method and apparatus for determining position and orientation Grant 5,856,844 - Batterman , et al. January 5, 1 | 1999-01-05 |
Method and apparatus for determining degrees of freedom of a camera Grant 5,832,139 - Batterman , et al. November 3, 1 | 1998-11-03 |
Dual processor omnidirectional bar code reader with dual memory for bar code location and orientation Grant 5,512,739 - Chandler , et al. April 30, 1 | 1996-04-30 |
Omnidirectional wide range hand held bar code reader Grant 5,378,883 - Batterman , et al. January 3, 1 | 1995-01-03 |
System for locating and determining the orientation of bar codes in a two-dimensional image Grant 5,296,690 - Chandler , et al. March 22, 1 | 1994-03-22 |
Method and apparatus for distinguishing a preferred bar code or the like Grant 5,262,623 - Batterman , et al. November 16, 1 | 1993-11-16 |
System method and apparatus using multiple resolution machine readable symbols Grant 5,223,701 - Batterman , et al. June 29, 1 | 1993-06-29 |
Finder pattern for optically encoded machine readable symbols Grant 5,189,292 - Batterman , et al. February 23, 1 | 1993-02-23 |
Omnidirectional bar code reader with method and apparatus for detecting and scanning a bar code symbol Grant 5,155,343 - Chandler , et al. October 13, 1 | 1992-10-13 |
Multiple resolution machine readable symbols Grant 5,153,418 - Batterman , et al. October 6, 1 | 1992-10-06 |
Omnidirectional bar code reader using virtual scan of video raster scan memory Grant 5,124,537 - Chandler , et al. June 23, 1 | 1992-06-23 |
Polygonal information encoding article, process and system Grant 4,998,010 - Chandler , et al. March 5, 1 | 1991-03-05 |
Polygonal information encoding article, process and system Grant 4,896,029 - Chandler , et al. January 23, 1 | 1990-01-23 |
Hexagonal, information encoding article, process and system Grant 4,874,936 - Chandler , et al. October 17, 1 | 1989-10-17 |
Signal transition enhancement circuit Grant 4,553,042 - Batterman November 12, 1 | 1985-11-12 |
TV Receiver circuitry for performing chroma gain, auto-flesh control and the matrixing of I and Q signals to (R-Y), (B-Y) and (G-Y) signals Grant 4,523,221 - Chin , et al. June 11, 1 | 1985-06-11 |
Apparatus for generating scaled weighting coefficients for sampled data filters Grant 4,494,214 - Bernard , et al. January 15, 1 | 1985-01-15 |