Assignee
AMERICAN MAGNETICS CORP
US25 patents
Top patents by PatentIndex Score
US5331138AJul 19, 1994
Hybrid card reader
AMERICAN MAGNETICS CORP165 citations96
US5091961AFeb 25, 1992
Magnetic ink character decoder
AMERICAN MAGNETICS CORP157 citations96
US4028734AJun 7, 1977
Plural magnetic head assembly with independently supporting structure
AMERICAN MAGNETICS CORP49 citations92
US4628195ADec 9, 1986
Credit card security system
AMERICAN MAGNETICS CORP57 citations91
US5554840ASep 10, 1996
Hybrid card reader
AMERICAN MAGNETICS CORP21 citations90
US5491327AFeb 13, 1996
Universal magnetic medium encoder with tilt-compensating apparatus
AMERICAN MAGNETICS CORP29 citations90
US5311003AMay 10, 1994
Hand-operated magnetic stripe card reader
AMERICAN MAGNETICS CORP34 citations90
US4864717ASep 12, 1989
Method of making a digital magnetic head structure
AMERICAN MAGNETICS CORP35 citations90
US4797767AJan 10, 1989
Digital magnetic head structure
AMERICAN MAGNETICS CORP35 citations90
US4843220AJun 27, 1989
Automatic data capture for multiple form point of sale slip packs
AMERICAN MAGNETICS CORP47 citations88
US5101097AMar 31, 1992
Hand swipe magnetic stripe encoder
AMERICAN MAGNETICS CORP41 citations87
US5049871ASep 17, 1991
Loop communication system
AMERICAN MAGNETICS CORP44 citations86
US5204513AApr 20, 1993
Decoder for magnetic stripe recording
AMERICAN MAGNETICS CORP51 citations81
US4514623AApr 30, 1985
Automatic teller machine with entrance adapted to prevent access by foreign objects
AMERICAN MAGNETICS CORP24 citations78
US3940796AFeb 24, 1976
Card readout apparatus
AMERICAN MAGNETICS CORP29 citations78
US3976858AAug 24, 1976
Card reader assembly with manual transducer
AMERICAN MAGNETICS CORP21 citations77
US4593328AJun 3, 1986
Timing wheel for card encoder
AMERICAN MAGNETICS CORP17 citations71
US4742213AMay 3, 1988
Credit card reading apparatus with reliable optical path interrupt means
AMERICAN MAGNETICS CORP15 citations68
US4692602ASep 8, 1987
Apparatus for sensing and/or writing information on cards, passports and checks and the like
AMERICAN MAGNETICS CORP8 citations68
US4777540AOct 11, 1988
Magnetic card reader with head stop arrangement
AMERICAN MAGNETICS CORP17 citations60
US4598479AJul 8, 1986
Timing wheel for card encoder
AMERICAN MAGNETICS CORP6 citations58
US4490439ADec 25, 1984
Superconductor with improved persistence characteristics
AMERICAN MAGNETICS CORP4 citations56
US5091807AFeb 25, 1992
Recorder system with demand actuation
AMERICAN MAGNETICS CORP2 citations52
US4344057AAug 10, 1982
Transverse magnetic load containment structure for use in MHD magnets
AMERICAN MAGNETICS CORP3 citations51
US4464687AAug 7, 1984
Jitter-free gear arrangement for equipment requiring precision mechanical movement
AMERICAN MAGNETICS CORP0 citations47