Inventor
HAMMOND JR CHARLES M
US9 patents
Patents
9 patentsUS5723868AMar 3, 1998
Illuminating assembly for use with bar code readers
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US5430286AJul 4, 1995
Intimate source and detector and apparatus employing same
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US5319182AJun 7, 1994
Integrated solid state light emitting and detecting array and apparatus employing said array
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US5308962AMay 3, 1994
Reduced power scanner for reading indicia
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US5294783AMar 15, 1994
Analog reconstruction circuit and bar code reading apparatus employing same
WELCH ALLYN INC335 citations99
US5286960AFeb 15, 1994
Method of programmable digitization and bar code scanning apparatus employing same
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US5034619AJul 23, 1991
Optical reader with dual vertically oriented photoemitters
WELCH ALLYN INC150 citations98
US5780834AJul 14, 1998
Imaging and illumination optics assembly
WELCH ALLYN INC318 citations97
US5291008AMar 1, 1994
Optical assembly and apparatus employing same using an aspherical lens and an aperture stop
WELCH ALLYN INC362 citations96