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.

The present invention relates generally to the field of tracking systems. More specifically, the present invention relates to a radio tracking system that is primarily comprised of at least one tracking tag, further comprised of at least one transmitter, at least one color indicator, and at least one wristband, further comprised of at least one LED and at least one motor. The tracking tag is preferably of discrete shape and size and may be fixedly or removably attached to any item that may be lost or misplaced. The wristband is comprised of a flexible or semi flexible material that features at least one fastener and receives signals that are sent from the internal transmitter of the tracing tag. LED lights illuminate to the corresponding color indicated on the tracking tag. In this manner, the system allows for efficient and quick location of lost or misplaced items.

Various examples describe a livestock monitoring system and method. A sensor signal may comprise a rotational component describing a rotation of the sensor within an animal and a linear component describing a linear movement of the sensor within the animal. The rotational component may be used to identify an animal respiration signal. The animal respiration signal and the linear component may be used to generate a respiration-corrected linear component. An animal heart signal may be detected from the respiration-corrected linear component.

A low-cost, multi-function adhesive wireless communications and transducer platform with a form factor that unobtrusively integrates one or more transducers and one or more wireless communication devices in an adhesive product system. In an aspect, the adhesive product system integrates transducer and wireless communication components within a flexible adhesive structure in a way that not only provides a cost-effective platform for interconnecting, optimizing, and protecting the constituent components but also maintains the flexibility needed to function as an adhesive product that can be deployed seamlessly and unobtrusively into various applications and workflows, including sensing, notification, security, and object tracking applications, and asset management workflows such as manufacturing, storage, shipping, delivery, and other logistics associated with moving products and other physical objects.

An improved radio frequency identification (RFID) reader system includes a plurality of wireless integrated RFID readers located in different locations in an environment, one or more RFID tags, each RFID tag configured to generate a radio frequency (RF) response signal based on data stored on the RFID tag, and a wireless communication gateway. Each of the wireless integrated RFID readers includes an RFID antenna, an electronics module coupled to the RFID antenna configured to operate the RFID antenna and interpret data signals received at the RFID antenna from one or more RFID tags, and a wireless communication system of a first type configured to wirelessly communicate with wireless nodes of the RFID reader system. The wireless communication gateway includes a wireless communication system of the first type configured to wirelessly communicate with the plurality of wireless integrated RFID readers.

The positive feedback latch amplitude limiting control circuit and method of the passive radio frequency identification tag of the present disclosure can dynamically rectify and control the voltage between the first antenna terminal and the second antenna terminal. When the voltage between the antenna terminals is too high, the signal generating circuit turns on the discharge circuit, such that the charges at the antenna terminal are outputted to the ground, which reduces the rectified DC voltage. When the voltage between the antenna terminals is within the limited voltage, the signal generating circuit makes the discharge circuit in the turned-off state. The rectifier circuit rectifies all the charges at the antenna terminal into DC power for the load circuit, such that the current consumption is controlled to a certain extent. The discharge circuit in the present disclosure includes a MOS transistor whose gate voltage is indirectly controlled by a latch. An internal positive feedback latch mechanism of the latch makes the first control signal Si have a substantially strong pull-down driving force when being pulled to a low level, such that a control gate of the discharge path is fully turned off, which avoids a discharge state of the MOS transistor being in a sub-threshold region, and effectively reduces a leakage current in the discharge path, thereby improving communication performance.

A method begins by a radio frequency identification (RFID) reader transmitting a first and second radio frequency (RF) signal of a plurality of RF signals, which each include a unique carrier frequency and an instruction to an RFID tag to respond with a received power level indication. The method continues by the RFID reader receiving, in response to the first and second signals sent at a first and second carrier frequency, a first and second response from the RFID tag that includes a first and second received power level indication. The method continues by the RFID reader determining an estimated resonant frequency of the RFID tag based on the first and second received power level indications and the first and second carrier frequencies.

A user identification device according to a disclosed embodiment includes a transmitter for scattering radio-frequency (RF) signals into tissues of a body part of a user, a receiver for receiving the RF signals having passed through the tissues of the body part of the user, a memory for storing parameters of a trained classification algorithm, and a processor for identifying the user by analyzing the received RF signals based on the trained classification algorithm by using the parameters of the trained classification algorithm in response to receiving the RF signals through the receiver.

Handheld scanning devices are disclosed herein. An example handheld scanning device includes a main housing, an antenna housing, an antenna mounting bracket, and a first radio frequency identification (RFID) antenna. The main housing includes a main body portion and a grip portion operably coupled with the main body. The main housing defines a main housing cavity. The antenna housing is operably coupled with the main housing and defines an antenna housing cavity. The antenna mounting bracket is at least partially disposed within the antenna housing cavity and is operably coupled with the antenna housing and the main body portion of the main housing. The first RFID antenna is at least partially disposed within the antenna housing cavity and is operably coupled with the antenna mounting bracket.

A new type of RFID tag is provided. A gaming chip that incorporates a sticker-type RFID tag comprises: an enclosing member having a predetermined shape for enclosing the RFID tag; a body member that is injection-molded to encapsulate the enclosing member with the RFID tag; and a gaming chip for amusement. The enclosing member consists of a first part and a second part, and at least the first part or the second part has a flat surface to which a sticker-type RFID tag can adhere, and the first part and the second part are combined to form an enclosing member, in which the sticker-type RFID tag is covered by the first part and the second part.