Patent classifications
H04B5/77
Systems and methods for cryptographic authentication of contactless cards
Example embodiments of systems and methods for data transmission system between transmitting and receiving devices are provided. In an embodiment, each of the transmitting and receiving devices can contain a master key. The transmitting device can generate a diversified key using the master key, protect a counter value and encrypt data prior to transmitting to the receiving device, which can generate the diversified key based on the master key and can decrypt the data and validate the protected counter value using the diversified key.
PRESSURE BASED WIRELESS SENSOR AND APPLICATIONS THEREOF
A radio frequency identification (RFID) tag includes an antenna, an analog front end, a processing circuit, and memory. The analog front end includes a power circuit, a tuning circuit, a transmitter, and a receiver. The power circuit is operably coupled to convert a radio frequency (RF) signal into a power supply voltage. The tuning circuit, when enabled, adjusts an RF characteristic of the analog front end to tune power harvesting from the RF signal. The transmitter is operably coupled to transmit a response signal to the RFID reader via the antenna. The receiver is operably coupled to receive a command signal from the RFID reader, wherein the command signal is contained within a portion of the RF signal. The processing circuit is operable to interpret the command signal and generate the response signal.
ACTIVATION OF VALET MODE FOR VEHICLES
Method and apparatus are disclosed for activation of valet mode for vehicles. An example vehicle system includes a remote near-field communication (NFC) device and a vehicle. The vehicle includes an engine, a cabin, and an interior NFC reader located in the cabin. The vehicle also includes a controller configured to enter a valet mode and authenticate the remote NFC device for the valet mode when the engine is active and the interior NFC reader communicates with the remote NFC device.
Communication set-up for wireless communication and method for controlling such a communication set-up
A communication set-up having an electronic circuit; the circuit including at least one communication unit for wireless communication. The communication unit includes an antenna network connected to an antenna; and also includes an actuating unit. The circuit of the communication set-up further includes a signal processing unit, and in response to operation of the actuating unit, the actuating unit is configured to release a signal to the signal processing unit, which, on the basis of this, converts the communication set-up from a blocked state to an enabled state, or vice versa. In addition, a method for controlling such a communication set-up is described.
METHOD AND SYSTEM FOR TRACKING ANIMALS AND ALERTING ANIMAL OWNERS OF LOST ANIMALS
A computer system and method for tracking a companion animal and alerting an owner of the companion animal when the companion animal is lost may include a server generating a web page associated with a near-field-communication (NFC) portion of an electronic tag. The electronic tag may be coupled to the companion animal with a mechanical device. The server may generate a geo-fence that is associated with the electronic tag and the server may monitor the geo-fence to determine if the electronic tag has exited the geo-fence. The server may send a message to the web page if the electronic tag has exited the geo-fence. The server may then send an alert to a portable computing device if the electronic tag has exited the geo-fence. The server may send a command to the electronic tag to change from a first rate to a second rate for a device identifier reporting rate.
Wireless magnetic communication method and a wireless magnetic communication device
A method for wireless magnetic communication consisting in the processing of information encrypted by the transmitter using the magnetic field and decrypted by the receiver comprising proximity magnetic sensors is characterized according to the invention in that the transmitter is equipped with a magnetic system with a planarly shaped configuration of magnetic elements, and then the transmitter is placed against the receiver which is coupled to the first microprocessor controller, and then using the magnetic sensors of the receiver the configuration of the magnetic field generated by the magnetic elements of the transmitter by is recreated, and next, using the first microprocessor controller, one compares such configuration with the pattern implemented therein, and then, in accordance with the software implemented in the first microprocessor controller further actions corresponding with that pattern are launched. Permanent magnets or time varying magnetic field generators are used as magnetic elements with a favorable effect. The object of the invention is also the system for implementation of this method.
Multipolymer sensor array utilizing NFC
A sensor device includes a first detector circuit, a near field communication (NFC) circuit, and a sensor package. The first detector circuit configured to detect a stimulus using a resistive change polymer type detector, a capacitive shift polymer type detector, a dielectric change polymer type detector, a graphene based sensor, or a metal-oxide (MOX) type detector. The NFC circuit having an NFC powered receiver and an NFC data transceiver. The NFC power receiver configured to receive power from a mobile device using an NFC standard protocol and to provide operating power for the sensor device. The NFC data transceiver configured to transmit data to the mobile device using the NFC standard protocol, the data corresponding to the first stimulus. The sensor package configured to house the first detector circuit and the NFC circuit.
CHIP-SCALE RADIO-FREQUENCY LOCALIZATION DEVICES AND ASSOCIATED SYSTEMS AND METHODS
A device comprising: a substrate; a semiconductor die mounted on the substrate; a transmit antenna fabricated on the substrate and configured to transmit radio-frequency (RF) signals at least at a first center frequency; a receive antenna fabricated on the substrate and configured to receive RF signals at least at a second center frequency different than the first center frequency; and circuitry integrated with the semiconductor die and configured to provide RF signals to the transmit antenna and to receive RF signals from the receive antenna.
FOOTWEAR CUSHION WITH INTERNAL CONFORMAL ELECTRONICS
An article of footwear can comprise: an upper, and a sole assembly connected to the upper to form a receptacle for a human foot, the sole assembly can comprise: a cushion comprising an exterior wall that forms an enclosure; an antenna disposed within the enclosure; and a microchip connected to the antenna. A method of manufacturing an article of footwear can comprise: positioning an electronic communication device between two plies of polymer laminate; heating the two plies of polymer laminate to form a weld area and a cushion area, wherein the electronic communication device becomes encapsulated between the two plies of polymer laminate, inflating the cushion area with a gas; and sealing the cushion area.
DISPLAY APPARATUS, OPERATION ASSIST SYSTEM AND OPERATION ASSIST METHOD
A display apparatus is provided with an interface, a storage device, an antenna and a processing device. The interface connects to a given network. The storage device stores data to be used to perform a communication with an external host controller via the network. The antenna performs a near field communication with an external terminal. The processing device transmits the data to the terminal in response to a request from the terminal and stores other data received from the terminal in response to another request from the terminal in the storage device.