Assignee
WELCH ALLYN DATA COLLECTION
US·22 granted patents·8 pending applications·5,023 citations·filing 1997–2003
Top patents by PatentIndex Score
30 records- 0199US6722569B2Optical reader having a color imagerWELCH ALLYN DATA COLLECTION·Filed 2001·Granted Apr 20, 2004·459 cites·83 claims
- 0299US6547139B1Method and apparatus for extending operating range of bar code scannerWELCH ALLYN DATA COLLECTION·Filed 2000·Granted Apr 15, 2003·348 cites·34 claims
- 0399US6371374B1Adjustable illumination system for a barcode scannerWELCH ALLYN DATA COLLECTION·Filed 2000·Granted Apr 16, 2002·355 cites·40 claims
- 0498US6969003B2Method and apparatus for extending operating range of bar code scannerWELCH ALLYN DATA COLLECTION·Filed 2002·Granted Nov 29, 2005·183 cites·56 claims
- 0598US6601768B2Imaging module for optical reader comprising refractive diffuserWELCH ALLYN DATA COLLECTION·Filed 2001·Granted Aug 5, 2003·241 cites·41 claims
- 0698US6578766B1Data structure for an optical readerWELCH ALLYN DATA COLLECTION·Filed 2000·Granted Jun 17, 2003·183 cites·23 claims
- 0798US6575367B1Image data binarization methods enabling optical reader to read fine print indiciaWELCH ALLYN DATA COLLECTION·Filed 2000·Granted Jun 10, 2003·247 cites·15 claims
- 0897US6942151B2Optical reader having decoding and image capturing functionalityWELCH ALLYN DATA COLLECTION·Filed 2002·Granted Sep 13, 2005·184 cites·24 claims
- 0997US6585159B1Indicia sensor system for optical readerWELCH ALLYN DATA COLLECTION·Filed 1999·Granted Jul 1, 2003·250 cites·71 claims
- 1096US6264105B1Bar code reader configured to read fine print barcode symbolsWELCH ALLYN DATA COLLECTION·Filed 1998·Granted Jul 24, 2001·213 cites·19 claims
- 1196US6254003B1Optical reader exposure control apparatus comprising illumination level detection circuitryWELCH ALLYN DATA COLLECTION·Filed 1998·Granted Jul 3, 2001·304 cites·31 claims
- 1296US6164544AAdjustable illumination system for a barcode scannerWELCH ALLYN DATA COLLECTION·Filed 1998·Granted Dec 26, 2000·254 cites·9 claims
- 1395US6607128B1Optical assembly for barcode scannerWELCH ALLYN DATA COLLECTION·Filed 2000·Granted Aug 19, 2003·230 cites·33 claims
- 1495US6298176B2Symbol-controlled image data reading systemWELCH ALLYN DATA COLLECTION·Filed 1997·Granted Oct 2, 2001·402 cites·31 claims
- 1595US6275388B1Image sensor mounting systemWELCH ALLYN DATA COLLECTION·Filed 1998·Granted Aug 14, 2001·194 cites·45 claims
- 1693US6155491ALottery game ticket processing apparatusWELCH ALLYN DATA COLLECTION·Filed 1998·Granted Dec 5, 2000·198 cites·43 claims
- 1792US6298175B1Object sensor system comprising controlled light sourceWELCH ALLYN DATA COLLECTION·Filed 1997·Granted Oct 2, 2001·223 cites·17 claims
- 1892US6161760AMultiple application multiterminal data collection networkWELCH ALLYN DATA COLLECTION·Filed 1998·Granted Dec 19, 2000·247 cites·66 claims
- 1991US6186404B1Security document voiding systemWELCH ALLYN DATA COLLECTION·Filed 1998·Granted Feb 13, 2001·170 cites·16 claims
- 2086USD456808SOptical readerWELCH ALLYN DATA COLLECTION·Filed 2001·Granted May 7, 2002·32 cites·1 claims
- 2183US6304660B1Apparatuses for processing security documentsWELCH ALLYN DATA COLLECTION·Filed 1998·Granted Oct 16, 2001·81 cites·44 claims
- 2281US6572012B1Transaction terminal having a protective cover assemblyWELCH ALLYN DATA COLLECTION·Filed 2000·Granted Jun 3, 2003·25 cites·8 claims
- 2349US2002084327A1Scratch-off material sensor system for lottery game ticketsWELCH ALLYN DATA COLLECTION·Filed 2001·Application pending·0 cites
- 2444US2003218069A1Indicia sensor system for optical readerWELCH ALLYN DATA COLLECTION·Filed 2003·Application pending·0 cites
- 2542US2002179713A1Exposure control method for use with optical readersWELCH ALLYN DATA COLLECTION·Filed 2002·Application pending·0 cites
- 2641US2003213847A1Imaging module for optical reader comprising refractive diffuserWELCH ALLYN DATA COLLECTION·Filed 2003·Application pending·0 cites
- 2740US2002125323A1Optical scanner data collection network employing multi-packet transmission of decoded dataWELCH ALLYN DATA COLLECTION·Filed 2001·Application pending·0 cites
- 2839US2003209603A1Optical assembly for barcode scannerWELCH ALLYN DATA COLLECTION·Filed 2003·Application pending·0 cites
- 2937US2003089775A1Display-equipped optical reader having decode failure image display feedback modeWELCH ALLYN DATA COLLECTION·Filed 2001·Application pending·0 cites
- 3036US2002191830A1Indicia reading deviceWELCH ALLYN DATA COLLECTION·Filed 2002·Application pending·0 cites
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