Assignee
PERIPHERAL DYNAMICS
US16 patents
Top patents by PatentIndex Score
US5772505AJun 30, 1998
Dual card scanner apparatus and method
PERIPHERAL DYNAMICS318 citations97
US5669816ASep 23, 1997
Blackjack scanner apparatus and method
PERIPHERAL DYNAMICS419 citations97
US4969648ANov 13, 1990
Apparatus and method for automatically shuffling cards
PERIPHERAL DYNAMICS312 citations96
US5632483AMay 27, 1997
Blackjack scanner apparatus and method
PERIPHERAL DYNAMICS165 citations95
US4088265AMay 9, 1978
Adaptable mark/hole sensing arrangement for card reader apparatus
PERIPHERAL DYNAMICS121 citations95
US4902880AFeb 20, 1990
Card reader system and method with printing and verification capability
PERIPHERAL DYNAMICS206 citations94
US6357658B1Mar 19, 2002
Apparatus and methods for scanning documents including OMR, bar-code, and image data
PERIPHERAL DYNAMICS72 citations91
US3975010AAug 17, 1976
Card reader with improved picking and transport arrangement
PERIPHERAL DYNAMICS26 citations76
US4492855AJan 8, 1985
Badge reader with improved slide arrangement
PERIPHERAL DYNAMICS19 citations70
US4287409ASep 1, 1981
Reader with special means for transporting cards and badges of variable thicknesses
PERIPHERAL DYNAMICS18 citations69
US4098458AJul 4, 1978
Adjustable width document reader
PERIPHERAL DYNAMICS17 citations69
US4145606AMar 20, 1979
One-at-a-time card reader
PERIPHERAL DYNAMICS7 citations67
US4065662ADec 27, 1977
Card reader system with improved interface
PERIPHERAL DYNAMICS16 citations66
US4284883AAug 18, 1981
Card reader with improved data processing timing control
PERIPHERAL DYNAMICS2 citations60
US4117314ASep 26, 1978
Card reader with means for unloading output hopper on the fly
PERIPHERAL DYNAMICS6 citations60
US4187980AFeb 12, 1980
Badge reader with reliable data clocking means
PERIPHERAL DYNAMICS4 citations56