Inventor
KNOWLES CARL H
US67 patents
⚠️ This page may combine multiple inventors who share the name “KNOWLES CARL H”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
METROLOGIC INSTR INC
47 patentsUS7077327B1Jul 18, 2006
System for reading bar code symbols using bar code readers having RF signal transmission links with base stations
METROLOGIC INSTR INC159 citations99
US6575369B1Jun 10, 2003
Automatic optical projection scanner with improved activation controlling mechanism
METROLOGIC INSTR INC160 citations99
US6499664B2Dec 31, 2002
Automatic optical scanner with improved activation controlling mechanism
METROLOGIC INSTR INC145 citations99
US6209789B1Apr 3, 2001
Optical filtering system for a laser bar code scanner having narrow band-pass characteristics employing spatially separated filtering elements including a scanner window
METROLOGIC INSTR INC294 citations99
US5992752ANov 30, 1999
Internet-based system for enabling information-related transactions over the internet using Java-enabled internet terminals provided with bar code symbol readers for reading Java-Applet encoded bar code symbols
METROLOGIC INSTR INC581 citations99
US5883375AMar 16, 1999
Bar code symbol scanner having fixed and hand-held modes
METROLOGIC INSTR INC255 citations99
US5777315AJul 7, 1998
Method and apparatus for programming system function parameters in programmable code symbol readers
METROLOGIC INSTR INC129 citations99
US5557093ASep 17, 1996
Compact projection laser scanner for producing a narrowly confined scanning volume for omni-directional scanning of code symbols therein, while preventing unintentional scanning of code symbols on nearby objects
METROLOGIC INSTR INC136 citations99
US5468951ANov 21, 1995
Automatic hand-supportable code symbol scanning device with improved laser beam pointing efficiency
METROLOGIC INSTR INC234 citations99
US5340973AAug 23, 1994
Automatic laser scanning system and method of reading bar code symbols using same
METROLOGIC INSTR INC258 citations99
US5260553ANov 9, 1993
Automatic hand-supportable laser bar code symbol scanner and method of reading bar code symbols using the same
METROLOGIC INSTR INC151 citations99
US5019714AMay 28, 1991
Scanning system with array of laser scanner modules to produce complex scan pattern
METROLOGIC INSTR INC212 citations99
US4983818AJan 8, 1991
Data acquisition system with laser scanner module
METROLOGIC INSTR INC171 citations99
US6347743B2Feb 19, 2002
Method and apparatus for programming functional system parameters in optical bar code scanners
METROLOGIC INSTR INC100 citations98
US6338434B1Jan 15, 2002
System and method for accessing internet-based information resources by scanning Java-Applet encoded bar code symbols
METROLOGIC INSTR INC80 citations98
US4930848AJun 5, 1990
Portable laser scanner with integral scanner engine
METROLOGIC INSTR INC146 citations98
US6321989B1Nov 27, 2001
Method and apparatus for programming system function parameters in programmable code symbol readers
METROLOGIC INSTR INC84 citations97
US6860427B1Mar 1, 2005
Automatic optical projection scanner for omni-directional reading of bar code symbols within a confined scanning volume
METROLOGIC INSTR INC60 citations96
US6565005B1May 20, 2003
Method and apparatus for programming functional system parameters in optical bar code scanners
METROLOGIC INSTR INC55 citations96
US6464139B1Oct 15, 2002
Wireless hand-supportable internet-enabled access terminal for enabling information-related transactions over the internet
METROLOGIC INSTR INC66 citations96
US6412700B1Jul 2, 2002
Method and apparatus for automatically reading bar code symbols
METROLOGIC INSTR INC42 citations96
US6286760B1Sep 11, 2001
Automatic hand-supportable laser projection scanner for omni-directional reading of bar code symbols within a narrowly confined scanning volume
METROLOGIC INSTR INC82 citations96
US6223987B1May 1, 2001
Body-wearable automatic laser scanner
METROLOGIC INSTR INC46 citations96
US6182898B1Feb 6, 2001
Bar code scanner with intuitive head aiming and collimated scan volume
METROLOGIC INSTR INC60 citations96
US5942743AAug 24, 1999
Portable automatic hand-supportable omnidirectional laser projection scanner with power conserving control system
METROLOGIC INSTR INC60 citations96
US5844227ADec 1, 1998
Automatic hand-supportable omnidirectional laser projection scanner with scan-head directed projection axis for intuitive hand-supported omnidirectional scanning of bar code symbols within a narrowly confined scanning volume extending thereabout
METROLOGIC INSTR INC62 citations96
US5828048AOct 27, 1998
Countertop bar code symbol reading system having automatic hand-supportable bar code symbol reading device and stand for supporting projected scan field thereof
METROLOGIC INSTR INC40 citations96
US5796091AAug 18, 1998
Automatic hand-supportable omnidirectional laser projection scanner with handle-controllable projection axis
METROLOGIC INSTR INC89 citations96
US5789731AAug 4, 1998
Laser code symbol scanner employing optical filtering system having narrow pass-band characteristics and spatially-separated optical filter elements with laser light collection optics arranged along laser light return path disposed therebetween
METROLOGIC INSTR INC49 citations96
US5767501AJun 16, 1998
Mass-balanced automatic hand-supportable laser projection scanner for fatigue-free omnidirectional scanning of bar code symbols
METROLOGIC INSTR INC66 citations96
US5661292AAug 26, 1997
Automatic laser projection scanner with improved laser beam scanning efficiency
METROLOGIC INSTR INC53 citations96
US5637852AJun 10, 1997
Counter-top projection laser scanner for omni-directional scanning of code symbols within a narrowly confined scanning volume, while preventing unintentional scanning of code symbols of nearby objects
METROLOGIC INSTR INC39 citations96
US5627359AMay 6, 1997
Laser code symbol scanner employing optical filtering system having narrow band-pass characteristics and spatially separated optical filter elements with laser light collection optics arranged along laser light return path disposed therebetween
METROLOGIC INSTR INC56 citations96
US5616908AApr 1, 1997
Automatic countertop laser scanner with flickering laser scanner beam for improved visibility thereof during bar code symbol reading
METROLOGIC INSTR INC53 citations96
US5591953AJan 7, 1997
Countertop bar code symbol reading system having automatic hand-supportable bar code symbol reading device and stand for supporting projected scan field thereof
METROLOGIC INSTR INC76 citations96
US5484992AJan 16, 1996
Automatic hand-supportable laser scanner with flickering laser scanning beam to improve visibility thereof and beam-symbol alignment during bar code symbol presence detection
METROLOGIC INSTR INC79 citations96
US5424525AJun 13, 1995
Portable bar code symbol reading device with bar code symbol detection circuit for activating microprocessor implemented bar code symbol decoder
METROLOGIC INSTR INC73 citations96
US5216232AJun 1, 1993
Projection laser scanner producing a narrow scan volume
METROLOGIC INSTR INC62 citations96
US4962980AOct 16, 1990
Laser scanner engine with folded beam path
METROLOGIC INSTR INC109 citations96
US4960985AOct 2, 1990
Compact omnidirectional laser scanner
METROLOGIC INSTR INC75 citations96
US4713532ADec 15, 1987
Compact omnidirectional laser scanner
METROLOGIC INSTR INC80 citations96
US6761317B1Jul 13, 2004
Reading bar code symbols using readers having one-way RF signal transmission links with base stations
METROLOGIC INSTR INC28 citations93
US6604684B1Aug 12, 2003
Automatic optical projection scanner for omni-directional reading of bar code symbols within a confined scanning volume
METROLOGIC INSTR INC37 citations93
US6189793B1Feb 20, 2001
Automatic laser projection scanner with improved activation controlling mechanism
METROLOGIC INSTR INC16 citations93
US5663828ASep 2, 1997
Accessory device for modulating the laser output of a pen-clip actuatable laser pointer
METROLOGIC INSTR INC37 citations93
US5343027AAug 30, 1994
Multi-port digital signal decoder
METROLOGIC INSTR INC29 citations93
USD315901SApr 2, 1991
Portable laser scanner
METROLOGIC INSTR INC38 citations93
KNOWLES CARL H
1 patentMETROLOGIC INSTRUMETNS INC
1 patent(unassigned)
1 patentShowing the top 50 of 67 patents by PatentIndex Score.