Abstract: A disclosed indirect antenna testing apparatus may include (1) a Near Field Communication (NFC) interface that includes an NFC coil, the NFC interface dimensioned to receive a test NFC device while positioning the test NFC device within an effective range of the NFC coil, and (2) a Vector Network Analyzer (VNA) electrically coupled to the NFC coil and configured to (A) emit a signal via the NFC coil, and (B) monitor for a resonance from the test NFC device within at least one predetermined electromagnetic band. Various additional control devices, apparatuses, systems, and methods are also disclosed.

Abstract: A device may include a body defining an opening including a first module including a receiver/transmitter, the device being configured to perform operations including transmitting a first electromagnetic waves into a digit, receiving a first scattering waves reflected back to the first module, estimating a permittivity based on the first electromagnetic waves and the first scattering waves, and estimating a blood glucose concentration based on the estimated permittivity and a reference dataset and providing the blood glucose concentration as output, the device being configured to be positioned around the digit. The body may also include a second module for receiving and/or transmitting waves, the estimated permittivity being determined based on the waves measured by the second module. The device may also perform a calibration of the device during a first time period to enable the device to estimate the blood glucose concentration of the user during the second time period.

Abstract: Systems and methods for operating a radio system include configuring a first antenna of a plurality of antennas in a wireless device to operate in a configured mode of a plurality of modes, wherein the plurality of modes include a first mode of operating as a quarter wave for operation in a 2.4 GHz band, a second mode of operating as a half wave for operation in a 5 GHz band, and a third mode of operating simultaneous as a half wave and a quarter wave for operation in both the 2.4 GHz band and the 5 GHz band; and operating a first radio of a plurality of radios connected to the first antenna in the configured mode of the first antenna.

Abstract: Disclosed is a system and/or apparatus for a specifically configured and/or adapted electronic device that can provide interference shielding. The disclosed system and apparatus can be embodied with various combinations of components to effectuate improved thermal resistance while reducing noise within the device and/or among components of the device. The specifically configured components of the device can have specifically configured constitutions which can effectuate the thermal and noise limiters enabled by the disclosed system/apparatus.

Abstract: Disclosed are systems and methods that provide a computerized framework that provides functionality for an expanded node-based network that can dynamically adapt to the location/position of a location tracker, while enabling the tracker to automatically trigger security and/or safety features for its associated user/item. The disclosed framework can dynamically and automatically compile connectivity nodes of disparate networks to provide (both low-cost and high-end) trackers continuous network coverage. Effectively, the disclosed framework can provide trackers with an adaptive Internet of Things (IoT)-type network that leverages connectivity nodes of specific networks to provide and maintain connectivity the tracker as the tracker traverses the real-world.

Abstract: Disclosed are systems and methods that provide a novel framework for centralized management of a location based on detected, analyzed and monitored behaviors that can be compared against real-world activities to determine whether to toggle the operational modes of a components operating at/around the location. The disclosed framework can operate via an integrated, personalized configuration that enables the collective management of a location based on the sensors available from each device operating therein. The framework can operate as a centralized station or hub that can collect sensor data from smart devices/appliances in/around the location. This data can be utilized to generate and/or determine patterns of activity of a user, which can be leveraged to automatically and dynamically toggle a status of entry-points and associated smart devices associated therewith based on the real-time activity occurring in/around the location.

Abstract: System and methods are provided for selecting reference units for calibration of OTA testing stations. Various embodiments include selecting a reference unit for over-the-air (OTA) testing, the selecting including responsive to conducting one or more tests for a plurality of test items on a plurality of units via an OTA testing station, collecting test result values for each of the plurality of test items; calculating a sum of all errors for each of the units, wherein the errors represent a deviation from an average result for each of the test items; determining a unit which exhibits a lowest sum value of all of the errors, wherein the unit is determined as a reference unit for calibrating the OTA testing station; and testing a wireless device with the reference unit.

Abstract: Disclosed is a charger for a smart ring that includes a charger island disposed to the charger and configured to receive the smart ring. The charger island has a plurality of transmit antennas located in or on the charger island. When activated, a transmit antenna is configured to couple, via a Near Field Communication (NFC) chip/circuit, with a receive antenna on the smart ring for charging thereof. The active transmit antenna is based on an orientation of the smart ring on the charger island where the charging is performed regardless of alignment between the ring and the charger island. A conductive sheet can be included between the plurality of transmit antennas and an interior of the charger island in order to isolate the plurality of transmit antennas from one another.

Abstract: An antenna for an electronic device comprising of a metal-sheet antenna and an antenna feed connecting the metal-sheet antenna to a radio frequency (RF) printed circuit board (PCB). A screw configured to operate as a ground feed for the metal-sheet antenna and to provide mechanical support in the electronic device wherein the screw is further configured to provide radiation for additional bands for the antenna. The metal-sheet antenna supports a first band, and the screw supports a second band, based on dimensions of a screw boss, and a third band, based on a gap between the screw boss and the metal-sheet antenna.

Abstract: An antenna system includes a plurality of PIFA/IFA type wherein each of the plurality of antennas have either a same short pin or different short pins located together to minimize antenna separation between the plurality of antennas. The antennas share the same short pin with the width between at least two antennas of the plurality of antennas designed to minimize coupling when the at least two antennas operate at a same frequency. The short pin width is at least ?/8 where ? is based on a lowest frequency of operation of the antenna system, the lowest frequency of operation is about 2.4 GHz. The common short pin also includes a minimum distance to the associated antenna feed. Where the different short pins are located together the antenna includes a first short pin as a cylinder and a second short pin located within the cylinder without contact therebetween.

Abstract: An antenna for an electronic device comprising of a metal-sheet antenna and an antenna feed connecting the metal-sheet antenna to a radio frequency (RF) printed circuit board (PCB). A screw configured to operate as a ground feed for the metal-sheet antenna and to provide mechanical support in the electronic device wherein the screw is further configured to provide radiation for additional bands for the antenna. The metal-sheet antenna supports a first band, and the screw supports a second band, based on dimensions of a screw boss, and a third band, based on a gap between the screw boss and the metal-sheet antenna.

Abstract: A wireless device with a slot antenna includes one or more heat spreaders, a PCB with vias to allow current to flow through the PCB, various components disposed on the PCB, and a slot antenna compliment. By layering the components, e.g., heat spreaders, PCB, slot antenna compliment, etc. one or more slot antennas are formed from these components as to integrate the slot antennas into the existing structure. The formed slot antenna is a spiraled shape as to reduce the overall footprint of the slot antenna while keeping the required quarter-wavelength total effective length of an open-slot antenna. The formed slot antenna is wide enough to allow the antenna to accommodate a wide bandwidth and may include a plurality of steps to further allow for tuning of the length of the slot antenna. The wireless device can further include a housing enclosing the internal components.

Abstract: A near-field communication (NFC) antenna system comprising an antenna, a plurality of chips, and an antenna matching network connected on one side to the plurality of chips and on another side to the antenna. Wherein only one of the plurality of chips is active at a time with inactive chips have an impedance set combined with the antenna matching network to provide antenna matching with the active chip. The NFC antenna inactive chips are set to open having a corresponding impedance and the impedance is set based on any of transmission line length, width, and gap between. The plurality of chips includes a charging chip and a payment chip.

Abstract: A wireless device with a slot antenna includes one or more heat spreaders, a PCB with vias to allow current to flow through the PCB, various components disposed on the PCB, and a slot antenna compliment. By layering the components, e.g., heat spreaders, PCB, slot antenna compliment, etc. one or more slot antennas are formed from these components as to integrate the slot antennas into the existing structure. The formed slot antenna is a spiraled shape as to reduce the overall footprint of the slot antenna while keeping the required quarter-wavelength total effective length of an open-slot antenna. The formed slot antenna is wide enough to allow the antenna to accommodate a wide bandwidth and may include a plurality of steps to further allow for tuning of the length of the slot antenna. The wireless device can further include a housing enclosing the internal components.

Abstract: Two antennas based on quarter wave elements angled relative to each other and connected to two ground planes that are also angled relative to one another, having a shorting connection to cancel the extra capacitance and the antennas form a structure similar to IFA or PIFA. The two antennas fed from alternate ends and spaced closely together in which the connection of each antenna to ground causes the ground plane connections to be electrically far apart. A method of manufacturing an antenna system comprising antenna feeds which are connected via a spring pin and a ground pin that is formed partially by a screw connection, spring clip, or spring pin. The antenna elements are stamped and printed on a single non-conducting surface and the antenna carrier is connected to a circuit board that contains the active electronics.

Abstract: Tracker tags, smart tags, locator tags, and the like are provided. A portable tracker device, according to one implementation, includes a housing having a front cover and a back cover. The portable tracker device also includes Radio Frequency (RF) circuitry configured to operate within at least one of a Bluetooth (BT) frequency range and an Ultra-Wideband (UWB) frequency range. Also, the portable tracker device includes a piezoelectric device having a first conductive plate and a second conductive plate. The RF circuitry utilizes at least one of the front cover, the back cover, the first conductive plate, and the second conductive plate as one or more antennas.

Abstract: An antenna element includes an outer conductor and an inner conductor. The outer conductor forms a perimeter of the antenna element. The inner conductor is physically and electrically connected to the outer conductor only at an intermediate connection at an inner portion of the outer conductor. The outer conductor and the inner conductor are arranged to form a slot therebetween. The slot extends around the inner conductor such that each end of the slot is adjacent to the intermediate connection.

Abstract: Systems and methods for operating a radio system include configuring a first antenna of a plurality of antennas in a wireless device to operate in a configured mode of a plurality of modes, wherein the plurality of modes include a first mode of operating as a quarter wave for operation in a 2.4 GHz band, a second mode of operating as a half wave for operation in a 5 GHz band, and a third mode of operating simultaneous as a half wave and a quarter wave for operation in both the 2.4 GHz band and the 5 GHz band; and operating a first radio of a plurality of radios connected to the first antenna in the configured mode of the first antenna.