A magnetic jammer for a card reader and structured to generate a magnetic field for jamming illegal reading of magnetic data stored on a card may include a core including magnetic material; a coil wound around the core and structured to generate a jamming magnetic field; a case accommodating the core and the coil; and a resin sealant filling the inside of the case and covering the core and the coil. The core and the coil may be disposed apart from an inner face of the case such that the core and the coil do not come into contact with the inner face of the case. A portion of the resin sealant may be disposed between the core and the inner face of the case and between the coil and the inner face of the case.

A magnetic ink reader includes a conveyance mechanism for a sheet, a magnetizing mechanism configured to magnetize magnetic ink on the sheet and including a magnet having a first side of a first polarity, that is arranged to face the sheet, and a yoke that is formed of a soft magnetic material and includes a base portion attached directly to a second side of the magnet, and a partition wall of a second polarity extending towards the conveyance path, such that a side surface of the partition wall faces a third side of the magnet and an end surface of the partition wall faces the sheet, and a magnetic detection head for detecting magnetism of magnetized magnetic ink. A first distance between the conveyance path and the first side of the magnet and a second distance between the conveyance path and the end surface of the partition wall are different.

A method includes sensing magnet information at a plurality of magnet positions on a cannula and determining identification information for the cannula based on the magnet information.

A magnetic card reader module includes a magnetic sensor and an adjacent groove, a .[.micro controller.]. .Iadd.microcontroller .Iaddend.and an application. The magnetic sensor is configured to pickup an analog magnetic signal generated by swiping a magnetic stripe through the groove. The magnetic stripe is attached to a card and comprises tracks with magnetically encoded data. The microcontroller is configured to convert the analog magnetic signal into a digital signal. The application is configured to analyze the digital signal, and to perform soft-decision decode of the digital signal and to generate an output comprising the magnetically encoded data and side information providing card swipe information feedback.

Disclosed are various embodiments for improvements in point of sale terminals and payment processing at remote event spaces. The system and apparatuses disclosed herein facilitate the transaction processing of credit cards and other payment vehicles in often remote locations where network connections may be intermittent and suffer from frequent disconnects or interruptions of service. The embodiments disclosed are hardened against the elements that occur in remote environments along with adaptations to improve functionality accordingly. The system and apparatuses are further equipped to facilitate the event environment and are adapted to execute instructions to facilitate the financial transactions.

An example method may include transmitting a noise signal through a reader connection of a magnetic reader element. The control component and the magnetic reader element may be associated with a card reader device of a transaction device, and the magnetic reader element may be configured to read a magnetic strip of a transaction card. The method may include receiving, from the magnetic reader element, a reader connection signal from the reader connection. The reader connection signal may include the noise signal. The method may include extracting, from the reader connection signal, a card information signal associated with the transaction card from the magnetic strip. The card information signal may be extracted based on the noise signal. The method may include performing an action associated with the card information signal.

According to another embodiment, a system includes a driver circuit that drives a first output and a second output; a coil coupled between the first output and the second output such that the driver circuit drives current through the coil in response to control signals; and a programmable slew circuit coupled to the driver circuit. In some embodiments, a switch is coupled between the first output and the coil. In some embodiments an over-voltage protection circuit is coupled to protect the driver circuit.

The present disclosure concerns a magnetic reader (MR)sensor device for reading magnetic stripes, the MR sensor device comprising a substrate provided on a wafer, a back-end-of-line (BEOL) interconnect layer and a plurality of magneto-resistive sensor elements embedded within the BEOL interconnect layer; the MR sensor device comprising a protective layer having a Vickers hardness of at least 3 GPa. The present disclosure further concerns a method for manufacturing the MR sensor device. The MR sensor device can be brought close to the surface to the magnetic stripe so that the magnetic stripe can be read with an increased resolution.

A cannula for a surgical system may include a magnet located in a position to be sensed by the surgical system in a mounted position of the cannula to the surgical system. At least one of a presence of the magnet and a polarity of the magnet is sensed in the mounted position of the cannula to provide identification information relating to the cannula. Exemplary embodiments further encompass a patient side cart for a teleoperated surgical system, the patient side cart including a base, a main column, and an arm connected to the main column. The arm may include a mount to receive a cannula and a reader to sense a magnet of an identification device in the cannula so as to receive identification information relating to a mounted cannula.

A card reader for use with a card having a magnetic stripe may include a card insertion port; a card passage through which the card inserted from the card insertion port passes, the card passage being connected to the card insertion port; a magnetic head configured to perform at least one of: recording magnetic data to the magnetic stripe of the card and reading magnetic data from the magnetic stripe of the card; a capacitive sensor provided in contact with the card passage; and a movable structure structured such that a distance to the capacitive sensor is variable. The capacitive sensor may include a plurality of regions, each of the plurality of regions being structured to detect a capacitance, and a switch circuit configured to electrically connect and disconnect each region of the plurality of regions.