1213results about "Loop antennas" patented technology

A disclosed leaky coaxial resonant sensor system and methods. In use, the system includes at least one split-ring resonator (SRR) embedded within a material of the component. The at least one SRR is formed from a composite material. Additionally, the at least one SRR is configured to resonate at a first frequency in response to an interrogation signal from a leaky coaxial cable antenna. In some aspects, each SRR may resonate at a first frequency in response to an electromagnetic ping when the composite material is in a first state, and may resonate at a second frequency in response to the electromagnetic ping when the composite material is in a second state. A resonant frequency of the composite material may be based on physical characteristics of the composite material.

An antenna structure includes a feeding radiation element, a first grounding radiation element, a second grounding radiation element, a connection radiation element, an extension radiation element, and a dielectric substrate. The feeding radiation element has a feeding point. The first grounding radiation element has a first grounding point. The first grounding radiation element is adjacent to the feeding radiation element. The second grounding radiation element has a second grounding point. The connection radiation element is coupled between the first grounding radiation element and the second grounding radiation element. The extension radiation element is coupled to the connection radiation element. A closed slot is surrounded by the connection radiation element and the extension radiation element. The feeding radiation element, the first grounding radiation element, the second grounding radiation element, the connection radiation element, and the extension radiation element are all disposed on the dielectric substrate.

A low-band radiator comprises: a radiation substrate; a first dipole radiation portion formed from a conductor line on one surface of the radiation substrate and comprising two first loop arms each having the length extending in a predetermined first direction and formed in a loop shape having one end open; a second dipole radiation portion formed from a conductor line on one surface of the radiation surface, comprising two second loop arms each having the length extending in a predetermined second direction and formed in a loop shape having one end open, and disposed so as to intersect the first dipole radiation portion; and a balun portion coupled to the other surface of the radiation substrate and applying power feeding signals, respectively corresponding to the first and second loop arms, to two open ends of the loops.A low-band radiator comprises: a radiation substrate; a first dipole radiation portion formed from a conductor line on one surface of the radiation substrate and comprising two first loop arms each having the length extending in a predetermined first direction and formed in a loop shape having one end open; a second dipole radiation portion formed from a conductor line on one surface of the radiation surface, comprising two second loop arms each having the length extending in a predetermined second direction and formed in a loop shape having one end open, and disposed so as to intersect the first dipole radiation portion; and a balun portion coupled to the other surface of the radiation substrate and applying power feeding signals, respectively corresponding to the first and second loop arms, to two open ends of the loops.

Embodiments of this application relate to the field of antenna technologies, and disclose a terminal antenna and an electronic device, which can provide good radiation performance in a poor environment. The terminal antenna includes a first radiator, the first radiator is provided with a first feed and a first ground point, and the first ground point is arranged at an end of the first radiator. The first ground point is connected to the first radiator through a first inductor, and a value of the first inductor is included within a range of [5 nH, 47 nH].

Disclosed is an electronic device. The electronic device may include a housing forming a first space configured to seat an external electronic device and a second space, a battery storing power, a support part disposed within the first space and configured to support the external electronic device when the external electronic device is seated in the electronic device, a first antenna and a second antenna disposed in the support part, a third antenna disposed in the second space and configured to receive a first magnetic field from the outside of the housing and to supply power to the battery. The battery may be disposed in the second space. The battery may radiate a second magnetic field to at least some area of the first space by supplying power to at least one of the first antenna and the second antenna.

A method for manufacturing a nozzle cap, the method including attaching an antenna printed circuit board (“PCB”) strip to an inner cover surface of an antenna cover; and inserting the antenna cover into a scallop defined by a circumferential wall of a cap body to position the antenna PCB strip between the antenna cover and the circumferential wall, the circumferential wall defining an outer wall surface, the antenna cover covering the scallop, the scallop extending radially inward into the circumferential wall relative to a first portion and a second portion of the outer wall surface, the scallop circumferentially positioned between the first portion and the second portion of the outer wall surface.

A method for making a textile part, comprising a step of forming a stitched seam. The stitched seam step also aims to secure an electronic tag to the textile part. The electronic tag is formed from a strip comprising a wired electronic device comprising a chip associated with at least one antenna wire, the chip and the antenna wire being arranged inside the stitched seam. The invention also relates to the textile part provided with the tag.

The present disclosure provides an antenna, an antenna system and an automobile, belonging to the field of wireless communication technologies. The antenna includes a main antenna, a parasitic antenna and a main board; the main antenna and the parasitic antenna are both located on the surface of the main board, and the plane where the main antenna is located is parallel to the plane where the parasitic antenna is located and the positions are opposite; the feeding point of the main antenna is connected to the feeding transmission line of the main board, and the parasitic antenna is connected to the second grounding end of the main board; wherein, the difference between the resonant frequency point of the main antenna and the resonant frequency point of the parasitic antenna is less than a target threshold. When this antenna is applied in an automobile as a communication antenna of the automobile, such as a 4G communication antenna or a 5G communication antenna, it can achieve 4G or 5G wide-bandwidth coverage, such as full-bandwidth coverage. In addition, this antenna can also improve the out-of-band suppression ratio and enhance the anti-foreign frequency interference characteristics.

A wireless power system may include an accessory configured to transfer or relay wireless power to a portable electronic device. The portable electronic device may include wireless charging circuitry and sensors configured to detect compatible accessories currently coupled with the portable electronic device. The portable electronic device performs wireless charging or related functions in accordance with the coupled accessories.

A wirelessly locatable tag may include a first housing member defining a first exterior surface of the tag, a second housing member removably coupled to the first housing member and defining a second exterior surface of the tag, and an antenna assembly. The antenna assembly may include an antenna frame defining a top surface and a peripheral side surface, a first antenna on the antenna frame along the peripheral side surface and configured to communicate with the electronic device using a first wireless protocol, a second antenna on the antenna frame along the peripheral side surface and configured to send a localization signal to the electronic device using a second wireless protocol different than the first protocol, and a third antenna on the antenna frame along the top surface and configured to communicate with the electronic device via a third wireless protocol different than the first and second protocols.

An electronic device includes a metal side wall, a first radiator, and a second radiator. The metal side wall has a first slot including an opening end and a closed end. The closed end is disposed on the metal side wall. The opening end extends to an upper edge of the metal side wall to disconnect the upper edge. The first radiator is apart from the metal side wall, and includes a first end and a second end. The first end is a feeding end. The second end is connected to the upper edge of the metal side wall. The second radiator is apart from the metal side wall, and includes a third end and a fourth end. The third end is connected to the upper edge of the metal side wall. The opening end of the first slot is located between the second end and the third end.

A device for detecting the movement of part of a user's body and / or the approach of a portable user device. The device placed on board a motor vehicle. The device includes: a near field communication antenna having a resonance frequency between 3 and 30 MHz, including at least one continuous winding in the form of at least two sets of strips, each having different variable capacitance and different sensitivity, connected in parallel with the antenna. The antenna generating a different variation of impedance on the approach of part of a user's body towards the first or second set; a device measures a variation of impedance of the antenna. The device has a high series resonance frequency and detects the approach of a portable user device or movement of the body part taking place consecutively in front of the first and then in front of the second set of strips.

A guest engagement system and associated methods provide seamless engagement with guests of facilities through the use of wireless sensing technologies. The system makes use of individual guest devices which are carried by guests and used to automatically identify and authenticate the guests throughout the facility. Services can thereby be seamlessly provided to the guests throughout the facility. The services include automatic unlocking of doors, including hotel or state room doors, based on the guests' immediate proximity to their assigned room's door. The services also include automated payment services provided at checkout or vending terminals, and automated log-on to interactive displays and portals, among others, based on secure wireless authentication of the guest devices. Antenna devices and methods for making and using the same are disclosed. An exemplary antenna device can include first and second wireless communication antennas configured to operate using first and second communication standards, respectively.

The embodiment of the invention provides wearable electronic equipment, and belongs to the technical field of electronic equipment. The wearable electronic equipment comprises a shell and an antenna device. Wherein the shell comprises a contact surface, and the contact surface is used for being in contact with a wearer. The antenna device is arranged in the shell, the antenna device comprises a first antenna structure and a second antenna structure, and the first antenna structure and the second antenna structure are used for generating resonance at the same time. The first antenna structure, the second antenna structure and the contact surface are sequentially arranged along the thickness direction of the shell, and the first antenna structure and the second antenna structure are arranged at an interval. The projection of the second antenna structure and the projection of the first antenna structure are at least partially overlapped in the thickness direction of the shell. Therefore, the absorption of electromagnetic energy by a human body can be reduced, and the antenna efficiency is improved.

A wireless power system may include an accessory configured to transfer or relay wireless power to a portable electronic device. The portable electronic device may include wireless charging circuitry and sensors configured to detect compatible accessories currently coupled with the portable electronic device. The portable electronic device performs wireless charging or related functions in accordance with the coupled accessories.

An infusion pump assembly is disclosed. The infusion pump assembly includes a reservoir for receiving an infusible fluid, a pump assembly for pumping a quantity of infusible fluid from the reservoir to an exit, a first valve assembly configured to selectively isolate the pump assembly from the reservoir, a second valve assembly configured to selectively isolate the exit from the pumping assembly, and a split ring resonator antenna having a resonant frequency comprising a plurality of planar metallic layers.

A foldable electronic device according to an exemplary embodiment of the present disclosure may comprise a foldable housing, a flexible display module, a first flexible printed circuit board, and a first non-conductive member. The foldable housing can include a first housing, a second housing and a hinge unit for connecting the first housing and the second housing. The flexible display module can include a first display area arranged in the first housing, a second display area arranged in the second housing, and a third display area positioned, in correspondence to the hinge unit, between the first display area and the second display area. The first flexible printed circuit board can include a first surface, which is accommodated in the first housing and is oriented toward the first display area, and a second surface oriented in the direction opposite to the first surface.

A wireless power system may include an accessory configured to transfer or relay wireless power to a portable electronic device. The portable electronic device may include wireless charging circuitry and sensors configured to detect compatible accessories currently coupled with the portable electronic device. The portable electronic device performs wireless charging or related functions in accordance with the coupled accessories.

Exemplary embodiments may provide an adhesive pad that is designed to be used with an on-body medical device. The adhesive pad may partially or fully surround a perimeter of the on-body medical device. The adhesive pad may be the primary mechanism or may provide an additional mechanism for helping to secure the on-body medical device to the user. In addition, the adhesive pad may include a metallic coil, such as a metal loop, that is woven into the adhesive pad or otherwise inserted into or secured to the adhesive pad. The metallic coil may play multiple roles. First, the metallic coil may act as an antenna to facilitate wireless communications with the on-body medical device, such as NFC communications. In addition, the metallic coil may serve as a power source for electric components positioned on the adhesive pad.

Described are a NFC apparatus, an electronic device and a signal processing method. The NFC apparatus includes a NFC controller, a NFC antenna, and a balanced to unbalanced converter. The balanced-to-unbalanced converter comprises a primary coil and a secondary coil. The primary coil is connected to the NFC controller. Coupled to the primary coil, the secondary coil is connected to the NFC antenna. The balanced-to-unbalanced converter is configured to convert a first current signal in the form of a pair of differential signals generated by the NFC controller to a second current signal in the form of a single-ended signal received by the NFC antenna, and amplify a magnitude of the first current signal to a magnitude of the second current signal through a coupling relationship with a ratio between a first impedance of the primary coil and a second impedance of the secondary coil as N:1.

Various embodiments of a wireless connector system are described. The system has a transmitter module and a receiver module that are configured to wirelessly transmit electrical energy and / or data via near field magnetic coupling. The wireless connector system is designed to increase the amount of wirelessly transmitted electrical power over a greater separation distance. The system is configured with various sensing circuits that alert the system to the presence of the receiver module to begin transfer of electrical power as well as undesirable objects and increased temperature that could interfere with the operation of the system. The wireless connector system is a relatively small footprint that is designed to be surface mounted.

Provided are a mounting member with an RFID tag comprising an RFID tag, the RFID communication sensitivity of which is improved, and a manufacturing method of the mounting member with an RFID tag. The mounting member with an RFID tag comprises a shaft shape unit 1-1, an RFID tag 1-3, a boost antenna 1-4, and a head unit 1-2. The shaft shape unit 1-1includes a shaft shape insert unit 1-11, and a base unit 1-12 formed by protruding one end part of the insert unit 1-11 in a width direction. The RFID tag 1-3 transmits and receives radio waves. The boost antenna 1-4 boosts the radio waves transmitted and received by the RFID tag 1-3. The head unit 1-2 molds at least a surface side of the base unit 1-12 in order to encapsulate the RFID tag 1-3 and the boost antenna 1-4.

A vehicle comprises: a transparent dielectric substrate; a first area including an antenna on one side of the transparent dielectric substrate; and a second area including a ground conductive pattern and a feed pattern. The antenna comprises: a first conductive pattern including a closed loop trace; a second conductive pattern electrically connected to a second portion of the ground conductive pattern; and a slot which is surrounded by the first conductive pattern and includes a first slot area and a second slot area. The closed loop trace may include a first part, a second part, a third part, a fourth part, and a fifth part. The second part and the fourth part may be disposed on opposite sides. The first part and the third part may be disposed on opposite sides. The first part and the fifth part may be disposed on the same side.

This application provides an electronic device. The electronic device includes a back cover, a camera bracket, and an NFC antenna. The camera bracket is disposed on the back cover and includes a first surface and a second surface disposed opposite to each other. The first surface of the camera bracket faces outwards from the electronic device. The camera bracket has a first light-transmitting hole for facing a first flash or a first camera. The NFC antenna is disposed on the first surface of the camera bracket. The first orthographic projection of the NFC antenna onto the first surface of the camera bracket falls within the first surface of the camera bracket and does not overlap with the first light-transmitting hole, so that the NFC antenna avoids the first light-transmitting hole. This application provides a solution that enables the NFC antenna to maintain good radiation performance even in scenarios where the number of cameras is increasing and the camera bracket is becoming larger.

This RFID module comprises: a substrate having a first main surface and a second main surface that face each other; an RFIC chip disposed on the first main surface of the substrate; a coil conductor having a plurality of annular electrodes; and a first pattern disposed on the substrate and electrically connecting the RFIC chip and the coil conductor. Each of the plurality of annular electrodes has a first end and a second end, and there is a gap between the first end and the second end. The gaps of the plurality of annular electrodes are respectively disposed on a straight line, and the distance of the gap from the first end to the second end is smaller than the opening diameter of the annular electrode. The plurality of annular electrodes include a first annular electrode and a second annular electrode, and the coil conductor has a second pattern that electrically connects the second end of the first annular electrode and the first end of the second annular electrode. At least a part of the first pattern is disposed inside the annular electrode.

A circularly polarized antenna is provided, including a main board; an annular radiator provided with an access portion; a feeding terminal, one end of the feeding terminal is electrically connected to the radiator at a feeding point, and the other end of the feeding terminal is electrically connected to the main board; a frequency tunning component which is configured to adjust a frequency of the communication frequency band of the circularly polarized antenna, and is electrically connected to the radiator at the access portion. A first connecting line is a line connecting the feeding point and a center point of the annular radiator, a second connecting line is a line connecting the access portion and the center point of the radiator, and the first connecting line and a second connecting line form a first included angle α along a counterclockwise circumferential direction of the radiator, where, α∈(80°, 100°)∪(170°, 190°)∪(260°, 280°).

The invention relates to a lower frequency band radiating element with reduced scattering of higher frequency band radiation. A radiating element includes: a feed stem printed circuit board including a first RF transmission line and a second RF transmission line; a first dipole radiator coupled to the first RF transmission line; and a second dipole radiator coupled to the second RF transmission line. The first dipole radiator comprises a first dipole arm and a second dipole arm, and the second dipole radiator comprises a third dipole arm and a fourth dipole arm. A first amount of coupling between the first dipole arm and the third dipole arm exceeds a second amount of coupling between the first dipole arm and the fourth dipole arm.

According to an aspect, there is provided a method (100) of manufacturing a communications component for an attachment assembly of an oral care device, the method comprising: creating (102) an antenna assembly; and fitting (110) the antenna assembly to a cold-formed metal ring. Creating (102) the antenna assembly comprises forming (104) a base of the antenna assembly using an injection moulding process; positioning (106) an antenna on the base; and forming (108) a cover over the base and the antenna using an injection moulding process.

A vehicle antenna includes: a glass antenna provided on a rear glass of a vehicle to transmit and receive a wireless signal; a roof antenna provided at an end portion of a roof panel of the vehicle to transmit and receive a wireless signal; and a transparent conductive film attached to the roof panel opposite to the roof antenna and including a pattern formed thereon to improve coupling between the glass antenna and the roof antenna.

The invention relates to a hearing aid (2) with a radio communication device (20) having an antenna (24) with two feed points (26) connected to a control unit (22). The antenna (24) has a first loop (28) extending between the two feed points (26) and a second loop (30) extending between the two feed points (26).