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.

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 portable electronic charging case, with a compact form-factor, such as for a smart ring or the like, includes a base; a front cover connected to the base and configured to seal an interior of the charging case; a post on the base and in the interior; an antenna disposed within the post; and circuitry connected to the antenna and to a charging port located on the base. The electronic charging case includes advanced functionality, an aesthetic design, and a compact form-factor. The compact form-factor includes an embedded battery, an environmentally sealed design, and a small NFC/Bluetooth antenna. The aesthetic design includes no user-actuated mechanisms on an exterior of the charging case and an intelligent light sensor for illuminating the charging case. The advanced functionality includes the embedded battery, intelligent light sensor, a temperature sensor for monitoring a user, and monitoring techniques working in conjunction with an associated wearable device.

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: A smart ring includes a battery, memory, processing circuitry, a plurality of sensors, a plurality of antennas, and a battery, each coupled to one another and all enclosed in a casing, wherein the processing circuitry is configured to conserve the battery by any of sending data to the cloud service when an application is open on the user device, sending data to the cloud service when a threshold is crossed, waking up processing or communicating when there is a change in motion detected by the accelerometer.

Abstract: A wearable ring includes an inner surface and an outer surface; a first antenna component and a second antenna component, each disposed between the inner surface and the outer surface; a first electrical circuit connecting a first end portion of the first antenna component with a first end portion of the second antenna component; and a second electrical circuit connecting a second end portion of the first antenna component with a second end portion of the second antenna component, and wherein, based on configuration of the first electrical circuit and the second electrical circuit, the first antenna component and second antenna component are configured to operate in a given frequency band.

Abstract: An integrated metallic component includes a metallic body and an antenna. The metallic body is adapted to at least one of act as a heat exchanger and at least partially enclose electronic components on a Printed Circuit Board (PCB. The antenna includes an antenna element, a short wall, and an antenna feed leg. The antenna element is offset from the metallic body and includes a length extending along a perimeter of the metallic body. The short wall connects the antenna element to the metallic body. The antenna feed leg is offset from the short wall in a direction of the length of the antenna element and adapted to extend from the antenna element to the PCB and to form an electrical connection with an electrical contact for a Radio Frequency (RF) signal trace on the PCB.

Abstract: A method for manufacturing a dual-band antenna includes stamping a metallic sheet to form an antenna plate having at least one antenna element with a low frequency section and a high frequency section having a slot; and folding the at least one antenna element about a portion of a perimeter of the stamped metallic sheet forming an upper surface, a side wall and a lower surface of the at least one antenna element.

Abstract: A compact electronic device for wireless communication is disclosed. The compact electronic device includes a main printed circuit board, one or more antennas, at least one conductor, and a shell. The one or more antennas are configured for wireless communication. The at least one conductor being configured to provide at least one of control signals and power to a fan. The shell mounts the fan relative to the main printed circuit board. The shell includes walls forming a cavity. The walls encapsulate the conductor in the cavity.

Abstract: An integrated metallic component includes a metallic body and an antenna. The metallic body is adapted to at least one of act as a heat exchanger and at least partially enclose electronic components on a Printed Circuit Board (PCB. The antenna includes an antenna element, a short wall, and an antenna feed leg. The antenna element is offset from the metallic body and includes a length extending along a perimeter of the metallic body. The short wall connects the antenna element to the metallic body. The antenna feed leg is offset from the short wall in a direction of the length of the antenna element and adapted to extend from the antenna element to the PCB and to form an electrical connection with an electrical contact for a Radio Frequency (RF) signal trace on the PCB.

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: A dual-band antenna or coupled resonators, related wireless device applications, and methods of manufacturing the same are provided. Embodiments of the antenna have resonant frequencies in a lower 2-3 GHz frequency band and a higher 5-6 GHz frequency band range. The antenna has a high frequency portion that may be configured to operate as an inverted F antenna. The high frequency element is also positioned adjacent to a nearby parasitic element. In operation, the high frequency element and the parasitic element couple together and form a current loop, or loop antenna which is configured to resonate at a low frequency band.

Abstract: A method for manufacturing a dual-band antenna includes stamping a metallic sheet to form an antenna plate having at least one antenna element with a low frequency section and a high frequency section having a slot; and folding the at least one antenna element about a portion of a perimeter of the stamped metallic sheet forming an upper surface, a side wall and a lower surface of the at least one antenna element.

Abstract: Disclosed are compositions and methods for the electrochemical detection of enzymes, such as enzymes that are indicative of disease, disorders, or pathogens, such as viruses, bacteria, and fungi, or other disorders. These methods can be used in point-of-care diagnostic assays for the detection of disease, disorder, or pathogen (e.g., to identify the strain of pathogen infecting a patient in a healthcare setting). The electrochemical methods described herein can also be used to assess the susceptibility of a pathogen to an antipathogen drug. Also provided are probes suitable for use in conjunction with the methods described herein.

Abstract: A wireless device with an antenna plate includes one or more components; and at least one antenna integrally formed with the antenna plate. The at least one antenna has a low frequency section and a high frequency section, wherein the high frequency section has a slot, the dimensions of the slot being formed in part by a parasitic arm formed within the high frequency section. A method for manufacturing a wireless device having an antenna plate includes stamping a metallic sheet to form the antenna plate having at least one antenna element; and folding the at least one dual-band antenna element about a portion of a perimeter of the stamped sheet forming an upper surface, a side wall and a lower surface of the at least one antenna element.

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: A compact electronic device for wireless communication is disclosed. The compact electronic device includes a main printed circuit board, one or more antennas, at least one conductor, and a shell. The one or more antennas are configured for wireless communication. The at least one conductor being configured to provide at least one of control signals and power to a fan. The shell mounts the fan relative to the main printed circuit board. The shell includes walls forming a cavity. The walls encapsulate the conductor in the cavity.

Abstract: A multi-antenna structure includes a monopole-like or loop-like antenna structure with an antenna feed configured to connect to electrical circuitry; and a slot-like antenna structure adjacent to the monopole-like or loop-like antenna structure and capacitively fed by the monopole-like or loop-like antenna structure, wherein the monopole-like or loop-like antenna structure and the slot-like antenna structure operate as a combined antenna with extended bandwidth relative to operation individually. The monopole-like or loop-like antenna structure can include a horizontal member and a plurality of vertical members connected to the horizontal member. The slot-like antenna structure can include two parallel horizontal members separated by a slot and a vertical member at one end of the slot connected to each of the two parallel horizontal members separated and another end of the slot is open.