A transaction card construction and a method for making transaction cards provides increased security for transaction card magnetic strips. The transaction card construction includes a card inlay and a clear card body. The card inlay is formed via a lamination press process with the magnetic strip attached to a back surface of the card inlay. The card body may have a window through which a data storage element may be exposed for accessing, such as by a magnetic stripe reader or EMV chip reader. The card body may be formed by adhering the card inlay to the clear card body.

A transaction card includes at least one metal layer having one or more apertures therein. A light guide is disposed beneath the metal layer. The light guide has a light output and a light input. The light output is positioned to transmit light through at least the one or more apertures of the metal layer. At least one LED is positioned to transmit light into the light guide light input

This assembly is directed to an encoded card that can be used for transactions, identifications, access controls and the like. The assembly can include a core having a first surface and a second surface (e.g., front and back), content disposed on the first surface or second surface taken from the group consisting of issuing institution, holder name, account number, expiration date, security information and other content and any combination thereof; a magnetic layer affixed to the second layer wherein the magnetic layer covers the majority of the second surface; and one or more areas defined in the magnetic area encoded with data that can be consistent with ISO standard 7813.

A tape format magnetoelastic resonator device comprises a continuous ribbon of amorphous magnetic material having a plurality of separate, hinged magnetoelastic resonator strips formed from the ribbon, linearly displaced along a longitudinal axis of the ribbon, wherein each magnetoelastic resonator strip is configured to couple to an external magnetic field at a particular frequency and convert the magnetic energy into mechanical energy, in the form of oscillations.

A mobile card reader can be configured to connect to an input module of a mobile device. The mobile card reader can scan a magnetic stripe card from a structure exposed to lightning strikes in order to output a lightning-indicator signal to the input module. The lightning-indicator signal can be analyzed to determine a magnitude of a lightning strike to which the magnetic stripe card and the structure have been exposed.

A transaction card may include a body having a first part connectable with a second part, and a magnetic stripe on a first main side of the body. A first section of the magnetic stripe is provided on the first part of the body, and a second section of the magnetic stripe is provided on the second part of the body. The transaction card may further include an engagement member extending from the first part of the body for retention within a slot of the second part of the body, the slot embedded within the body between the first main side and a second main side.

A transaction card may include a body having a first part connectable with a second part, and a magnetic stripe on a first main side of the body. A first section of the magnetic stripe is provided on the first part of the body, and a second section of the magnetic stripe is provided on the second part of the body. The transaction card may further include an engagement member extending from the first part of the body for retention within a slot of the second part of the body, the slot embedded within the body between the first main side and a second main side.

Embodiments of the present disclosure provide a device, system, methods and components related to a modular card. Example components of the modular card include a thin rectangular rear plate, a thin rectangular front plate overlying the rear plate, a first plurality of fasteners fixed to the thin rectangular front plate, a second plurality of fasteners fixed to the thin rectangular rear plate, the second plurality of fasteners being configured to be removably engaged with the first plurality of fasteners; a magnetic strip, and/or an integrated circuit. In operation a user may remove and/or replace various components to customize the modular card. Some customizations include altering the accounts to which the modular card relates. In some example, the modular card may include components which relate to different accounts.

A nanoparticle sized between 10-180 nm composed of M(III).sub.2O.sub.3, M(II)O and M(II)M(III).sub.2O.sub.4, wherein M(III) is a trivalent metal and M(II) is a divalent metal, or Fe.sub.2O.sub.3, MnO and M(II)O, wherein M is a divalent metal selected from the group consisting of Fe, Ni, Co, Cu, Pt, Au, Ag, Ba and a rare earth metal.

In accordance with aspects of the present invention, a magnetic secured transmission system is presented. A magnetic secure transmission (MST) system can include a full-bridge driver that includes four transistors configured to regulate current through a coil; and a driving controller coupled to drive the full-bridge driver at a high frequency. In some embodiments, the transistors in the full bridge regulator are driven with a high frequency pulsed-wave modulated (PWM) signal to control the current through the coil. A method of magnetic secured transmission (MST) of MST data according to some embodiments includes receiving the MST data; generating coil data in response to the MST data; driving transistors in a full bridge at a high frequency to drive current through a coil according to the coil data.