Inventor · disambiguated record
Charles M. Hammond, Jr.
Also filed as: HAMMOND CHARLES M · HAMMOND JR CHARLES M · HAMMOND JR CHARLES MITCHELL
12 granted patents·3,487 citations·filing 1989–2002
96Inventor score
Top patents by PatentIndex Score
12 records- 0199US6547139B1Method and apparatus for extending operating range of bar code scannerWELCH ALLYN DATA COLLECTION·Filed 2000·Granted Apr 15, 2003·348 cites·34 claims
- 0298US6969003B2Method and apparatus for extending operating range of bar code scannerWELCH ALLYN DATA COLLECTION·Filed 2002·Granted Nov 29, 2005·183 cites·56 claims
- 0398US5723868AIlluminating assembly for use with bar code readersWELCH ALLYN INC·Filed 1997·Granted Mar 3, 1998·424 cites·20 claims
- 0498US5286960AMethod of programmable digitization and bar code scanning apparatus employing sameWELCH ALLYN INC·Filed 1991·Granted Feb 15, 1994·380 cites·29 claims
- 0597US6097856AApparatus and method for reducing imaging errors in imaging systems having an extended depth of fieldWELCH ALLYN INC·Filed 1998·Granted Aug 1, 2000·275 cites·64 claims
- 0697US5319182AIntegrated solid state light emitting and detecting array and apparatus employing said arrayWELCH ALLYN INC·Filed 1992·Granted Jun 7, 1994·257 cites·29 claims
- 0797US5294783AAnalog reconstruction circuit and bar code reading apparatus employing sameWELCH ALLYN INC·Filed 1992·Granted Mar 15, 1994·335 cites·11 claims
- 0896US5308962AReduced power scanner for reading indiciaWELCH ALLYN INC·Filed 1993·Granted May 3, 1994·276 cites·26 claims
- 0995US5780834AImaging and illumination optics assemblyWELCH ALLYN INC·Filed 1996·Granted Jul 14, 1998·318 cites·17 claims
- 1095US5291008AOptical assembly and apparatus employing same using an aspherical lens and an aperture stopWELCH ALLYN INC·Filed 1992·Granted Mar 1, 1994·362 cites·33 claims
- 1194US5430286AIntimate source and detector and apparatus employing sameWELCH ALLYN INC·Filed 1994·Granted Jul 4, 1995·179 cites·14 claims
- 1294US5034619AOptical reader with dual vertically oriented photoemittersWELCH ALLYN INC·Filed 1989·Granted Jul 23, 1991·150 cites·10 claims
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