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| Number | Title | Issue Date |
| 7347370 | Self-aligning magnetic read head incorporating lift-up detection Magnetic reading head assemblies are described that enable the alignment of a magnetic reading head to a track of magnetic information on a data card. In addition, embodiments of the present invention can enable the detection of misalignments in circumstances where ... | 03/25/2008 |
| 7090130 | Method and apparatus for generating images of magnetic fields in at least two dimensions Apparatus and Methods for imaging magnetic fields and for using images of magnetic fields in the authentication of magnetic stripe cards or documents are disclosed. The systems described provide an increased tolerance for misalignments of magnetic reading heads. One... | 08/15/2006 |
| 6899269 | Magnetic stripe authentication and verification system Magnetic stripe documents are identified and authenticated on the basis of repeatable magnetic characteristics of a stripe recorded with digital data and waveform characteristics of the sensed digital data. Stripes are sensed to provide an analog signal, only the po... | 05/31/2005 |
| D494597 | Swipe and park card reader footprint | 08/17/2004 |
| 6431445 | Magnetic stripe card verification system Magnetic stripe documents are identified and authenticated on the basis of repeatable magnetic characteristics of a stripe recorded with digital data. Stripes are sensed to provide an analog signal, only a portion of which is used, specifically, the porti... | 08/13/2002 |
| 6308886 | Terminal for issuing and processing data-bearing documents A system is disclosed for processing and/or issuing cards containing machine-readable information. The system is preferably housed in a terminal which includes an insertion port to accept a card from a user. The system further includes a hopper which stor... | 10/30/2001 |
| 6098881 | Magnetic stripe card verification system Magnetic stripe documents are identified and authenticated on the basis of repeatable magnetic characteristics of a stripe recorded with digital data. Stripes are sensed to provide an analog signal, only a portion of which is used, specifically, the porti... | 08/08/2000 |
| 5829743 | Gear-driven card transport device A data-bearing card is transported past a reading, writing or other communication head by at least one drive element connected to an electric motor through a preselected gear train. The mechanism moves the card at speeds corresponding to a preferred range... | 11/03/1998 |
| 5814796 | Terminal for issuing and processing data-bearing documents A card issuing and processing system embodied in a terminal to accomplish issuing and processing operations on cards bearing both human-readable and machine-readable data, e.g., cards bearing visual indicia, one or more magnetic stripes, and/or an integra... | 09/29/1998 |
| 5767495 | Reduced-power magnetic transducer system utilizing a magnetoresistive head A reduced-power dynamic magnetic transducer system includes a magnetoresistive read head, a low duty cycle pulse generator to supply power to the head, a signal processor, and a controller. As a data-bearing card is moved adjacent to the magnetoresistive ... | 06/16/1998 |
| 5685657 | Printer belt drive for moving a card A printing apparatus includes a transport for cards to be repeatedly scan printed with component colors. In the transport, a pair of belt rollers are fixed axially parallel in a frame, the belt rollers defining circumferential annular aligned grooves. Bel... | 11/11/1997 |
| 5569898 | Selective card entry gate with ridged profile A card entry gate has a slot defining several ridges extending longitudinally from the upper and lower surfaces of the slot. A data-bearing card, with an encoded strip and embossed portions, fits between the ridges of the slot when inserted lengthwise in ... | 10/29/1996 |
| 5396369 | Degausser for magnetic stripe card transducing system A device for degaussing magnetic transducers used with magnetic stripe cards includes a degaussing unit that drives a magnetic transducer with an electrical pulse, or a gradually increasing drive frequency, to eliminate the residual magnetism of the trans... | 03/07/1995 |
| 5010240 | Composite ticket processing unit An off-line terminal, located at an airline boarding gate processes composite tickets bearing a magnetic stripe. Processing includes: authenticating, verifying, recording, canceling, bursting into component sections and sorting. Operations are controlled,... | 04/23/1991 |
| 4949192 | Magnetic card transducing system A system for use with a mag-stripe card for transducing signals and performing predetermined transaction processing to record fresh data on the card. A closed-end slot is defined for guiding the card in manual motion. Offset record (broad path) and read (... | 08/14/1990 |
| 3962726 | Self-clocking magnetic record sensing system A system is disclosed for sensing a single moving magnetic track, to provide two distinct binary signals (clock and binary data) representative of digital information. Magnetically recorded signals in the Manchester or F/2F code format are selectively pro... | 06/08/1976 |
