1634results about "Loop antennas" patented technology

A disclosed airborne vehicle includes split-ring resonators (split ring resonators), which may be embedded within a material. Each split ring resonator may be formed from a three-dimensional (3D) monolithic carbonaceous growth and may detect an electromagnetic ping emitted from a user device. Each split ring resonator may generate an electromagnetic return signal in response to the electromagnetic ping. The electromagnetic return signal may indicate a state of the material in a position proximate to a respective split ring resonator. In some aspects, each may resonate at a first frequency in response to the electromagnetic ping when the material is in a first state, and may resonate at a second frequency in response to the electromagnetic ping when the material is in a second state. A resonant frequency of the 3D monolithic carbonaceous growth may be based on physical characteristics of the material.

A disclosed water droplet sensing system and methods using split-ring resonators, which may be embedded within a material. In use, a component includes at least one split-ring resonator (SRR) which may be embedded within a material of the component. The at least one SRR may be formed from a composite material. Additionally, the at least one SRR may be configured to form a signal that is correlated with a concentration of water proximate to the at least one SRR. In some aspects, each SRR may resonate at a first frequency in response to an electromagnetic ping when the material is in a first state, and may resonate at a second frequency in response to the electromagnetic ping when the material is in a second state. A resonant frequency of the material may be based on physical characteristics of the material (including fluid accumulation on the material).

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.

A disclosed airborne vehicle includes split-ring resonators (split ring resonators), which may be embedded within a material. Each split ring resonator may be formed from a three-dimensional (3D) monolithic carbonaceous growth and may detect an electromagnetic ping emitted from a user device. Each split ring resonator may generate an electromagnetic return signal in response to the electromagnetic ping. The electromagnetic return signal may indicate a state of the material in a position proximate to a respective split ring resonator. In some aspects, each may resonate at a first frequency in response to the electromagnetic ping when the material is in a first state, and may resonate at a second frequency in response to the electromagnetic ping when the material is in a second state. A resonant frequency of the 3D monolithic carbonaceous growth may be based on physical characteristics of the material.

A disclosed apparatus includes sensors incorporated into adhesive material. In use, an apparatus may comprise an adhesive material and at least one split-ring resonator (SRR) disposed on or in the adhesive material. Additionally, the at least one SRR is formed from a carbon-containing material, and the adhesive material is a non-elastomeric material or a semi-rigid material. In some aspects, each SRR may resonate at a first frequency in response to an electromagnetic ping when the adhesive material is in a first state, and may resonate at a second frequency in response to the electromagnetic ping when the adhesive material is in a second state. A resonant frequency of the adhesive material may be based on physical characteristics of the adhesive material.

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 connection radiation element, a first radiation element, a second radiation element, a first shorting radiation element, a second shorting radiation element, and a carrier element. The feeding radiation element has a feeding point. The connection radiation element is coupled to the feeding radiation element. The first radiation element is coupled to the connection radiation element. The second radiation element is coupled to the connection radiation element. The second radiation element and the first radiation element substantially extend in opposite directions. The feeding radiation element and the connection radiation element are coupled through the first shorting radiation element to a first grounding point. The second shorting radiation element is adjacent to the second radiation element. The connection radiation element and the first radiation element are coupled through the second shorting radiation element to a second grounding point.

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 radio frequency identification (RFID) antenna is provided. The RFID antenna includes, but not limited to, a printed circuit board (PCB). The PCB includes, but not limited to: a substrate; an etched metal layer on the substrate, where the etched metal layer comprises: a radiating element positioned on the substrate having a loop structure, where the loop structure comprises two first chamfered edges, and the first chamfered edges are position in opposing corners of the loop structure; and a ground element positioned on the substrate having comprising a slotted structure that is concentric with the loop structure and is positioned in an inner region of the loop structure.

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].

A tunable or dual-band antenna includes a ground plane, top plane, a cage structure, first and second half-loops, and a hybrid phase shifter. The cage structure is attached to the ground plane and the top plane that includes four leg structures in electrically-conductive contact with the top plane. The top plane is one of a cross-element with four equilateral elements, a cross-element with eight equilateral elements, or a disc element. The first and second half-loops are independent from each other, located diagonally to each other within the cage structure, and support transmitting and receiving an electromagnetic field orthogonal to each other. The hybrid phase shifter shifts a frequency of the first and second half-loops to 90° from each other. The ground plane has an inner ground plane with two or more capacitors embedded therein.

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.

An integrated circuit providing hardware security. The integrated circuit comprising a wire grid, wherein the wire grid comprises: (i) a wire grid spanning two metal layers comprising horizontal wires and vertical wires, (ii) a switch at each intersection of the horizontal wires and the vertical wires, wherein each switch comprises a transmission gate, (iii) one or more loop areas, wherein, for each intersection, the transmission gate is programmable to control connectivity at the intersection forming the one or more loop areas, and (iv) one or more amplifiers configured with the loop areas to provide one or more functions including (a) detecting trojans, (b) defending against fault injections by partially canceling injected magnetic fields with induced currents, (c) cancel fault injections by canceling injected magnetic fields, or (d) masking side-channel leakage by generate noising magnetic fields.

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 antenna system comprises a combination of a loop antenna and a non-loop antenna. The loop antenna and the non-loop antenna is connected in common to a transceiver mechanism or signal feed mechanism. The non-loop antenna is in some embodiments provided by a dipole conductor. An eyewear device incorporates the antenna system, a loop conductor and a dipole conductor of the antenna system being integrated in a body of the eyewear device. The loop conductor may be provided by a lens ring that extends around a lens held by the body. The lens ring may serve both as loop conductor and as a lens retention mechanism.

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.

A smart contact lens includes a lens body including a first lens surface in contact with an eye and a second lens surface positioned opposite the first lens surface, and an antenna disposed between the first lens surface and the second lens surface and configured to form a closed loop. The antenna may include an antenna ring forming a shape of a ring as a whole; and an antenna buffer bent and extended from the antenna ring in a diameter direction of the antenna ring.

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 MIMO antenna comprises: a substrate; a first feed line and a second feed line formed on the front side of the substrate and spaced apart from each other; a first radiator receiving a feed signal from the first feed line; a second radiator spaced apart from the first radiator by a predetermined distance and receiving a feed signal from the second feed line; a first ground pattern surrounding the first feed line, electrically connected to the ground, and extending in the longitudinal direction of the substrate; a second ground pattern spaced apart from the first ground pattern by a predetermined distance, surrounding the second feed line, electrically connected to the ground, and extending in the longitudinal direction of the substrate; a first connection line connecting the first ground pattern and the second ground pattern in an area adjacent to the first longitudinal ends of the first ground pattern and the second ground pattern.

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.

According to an embodiment of the present invention, an electronic device may comprise: a first printed circuit board which includes a first surface facing a first direction and a second surface facing a second direction opposite to the first direction; a second printed circuit board which includes a third surface facing the first direction and a fourth surface facing the second direction and includes at least one first antenna; a first wireless communication circuit which is electrically connected to at least one connection terminal formed on the first printed circuit board and transmits and receives a signal of a first frequency band through the at least one first antenna; and a conductive bonding member which is disposed between the first surface and the fourth surface and electrically connects the at least one first antenna and the first wireless communication circuit. Various other embodiments may be included.