A vehicle is provided that comprises two or more radio frequency (RF) antennas and two or more RF transceivers to communicate wirelessly sensitive information associated with a user of the vehicle (the two or more RF antennas being at different physical locations on an exterior of the vehicle). The vehicle determines which one of the two or more RF antennas is receiving a strongest signal from a common signal source, selects a first RF transceiver associated with the RF antenna with the strongest signal to send the sensitive information associated with the user to the common signal source, and sends the sensitive information associated with the user to the first RF transceiver for transmission to the common signal source.

In accordance with a first aspect of the present disclosure, a storage device is provided, comprising: a capacitor configured to be charged; a charge circuit configured to charge said capacitor; a pass device coupled between the charge circuit and the capacitor; a control circuit configured to control said pass device; a photosensitive diode coupled between the control circuit and the pass device, such that an input voltage provided by the control circuit to the pass device is reduced if the storage device is exposed to light. In accordance with a second aspect of the present disclosure, a corresponding method of producing a storage device is conceived.

Embodiments of the present disclosure generally relate to systems and methods for detecting misplaced items in an establishment. In one implementation, the system may include at least one processor configured to receive from at least one reader in the establishment, identification signals of tags read by the reader; determine current locations of the tags; and record the current locations of the tags. The processor may also be configured to access a designated location in the establishment for each of the tags; and determine, by comparing the current locations with the designated locations, a particular tag with a current location that differs from the designated location of the particular tag. The processor may also be configured to generate a notification signal when the current location of the particular tag does not match the designated location of the particular tag.

A system and method for detecting a pick-up of an item and determining analytics based on the detected pick-up. The method includes receiving data packets from a plurality of Internet of Things (IoT) tags, wherein each of the IoT tags is attached to a product, extracting a frequency word from each of the plurality of IoT tags, analyzing each of the extracted frequency words to detect a pick-up event associated with each IoT tag, and determining analytics related to an interest in the product based on the detected pick-up events.

A non-contact communication medium according to one disclosed embodiment includes a memory unit, a power generation unit, a power monitoring unit, and a capacitance control unit. The power generation unit includes a resonant circuit and a rectification circuit, and generates electric power to be supplied to the memory unit. The resonant circuit includes an antenna coil and resonant capacitance unit having a variable capacitance value, and the rectification circuit rectifies a resonant output of the resonant circuit. The power monitoring unit includes a current adjustment element, a reference voltage generation source, and an operational amplifier. The operational amplifier controls the current adjustment element such that an output voltage of the rectification circuit is equal to a reference voltage from the reference voltage generation source. The capacitance control unit is configured to control the resonant capacitance unit on the basis of an output of the operational amplifier.

A wireless transmit/receive unit, WTRU, can select a constellation from a set of constellations corresponding to a symbol configuration for indirect carrier modulation, ICM, based on at least one constellation performance efficacy indicator, each constellation performance efficacy indicator respectively corresponding to a constellation of the set of constellations, and use the selected constellation and symbol configuration to simultaneously harvest energy and transmit data.

A wireless tag for sensor control is connected to a sensor and configured to control execution of measurements using the sensor. The wireless tag for sensor control includes: an antenna for receiving a radio wave or a magnetic field transmitted from an external wireless device; a power generation unit configured to generate electric power based on the radio wave or the magnetic field received by the antenna; and a control unit configured to control the sensor using generated power, which is the electric power supplied from the power generation unit, wherein the control unit includes: a power supply control unit configured to use a portion of the generated power to execute power supply to the sensor; an acquisition unit configured to receive a detection result from the sensor operated by the execution of the power supply; and a transmission processing unit configured to transmit communication information including the detection result to the outside.

An inventory system configured for detecting and counting potentially retained surgical items within a body of a patient includes a tag configured to transmit a return signal including an electrical characteristic when energized, a signal generator configured to generate an energizing signal for the tag, an antenna operably coupled to the signal generator and configured to receive at least the return signal transmitted by the tag, a processor, and a memory. The memory includes instructions stored thereon, which, when executed by the processor, cause the inventory system to energize the tag by the energizing signal, receive the return signal from the tag by the antenna, and determine a presence of the beacon tag based on the electrical characteristic.

A Internet of Things (IoT) tag for measuring transmitted force applied on the IoT tag, including a substrate, a force sensor integrated on the substrate, and a sensing circuit integrated on the substrate and configured to output a digital word measurement in response to an applied force on the force sensor.

A contactless card with power harvesting unit is described. The power harvesting unit is configured to harvest power from near field communication radio wave fields and supply power to a memory, processor, and communication circuit of the contactless card. In some embodiments, the contactless card may also include a capacitor for smoothing out power deliver or a rechargeable battery. The contactless card is configured to establish two-way communication with a secondary device and to store and execute applets. In some embodiments, the contactless card is a payment card which contains information associated with a primary profile and a secondary profile. The secondary profile may be activated using two-way communication if the primary profile is deactivated due to fraudulent activity.