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Loop Antenna

Loop Antenna-related patent applications - as published by the U.S. Patent and Trademark Office (USPTO).


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Low frequency rectenna system for wireless charging
Ami Research & Development, Llc
February 01, 2018 - N°20180034325

A human safe wireless charging system using a circularly polarized source antenna that can radiate in either a hemispherical pattern or directional cardiod-like patterns at a 40-50, 150, or 200 mhz frequencies to a receiving loop antenna which is coupled to a parasitic receive element.
Antenna with multiple resonant coupling loops
Microsoft Technology Licensing, Llc
January 25, 2018 - N°20180026372

An antenna arrangement with an active radiating element forming a plurality of inductively-coupled resonating loop antennas drives a parasitic radiating element. The active radiating element is electrically coupled to a feed contact and tuned according to one or more variable capacitors and inductors. The active radiating element drives the parasitic radiating element into a state of resonance for transmitting and ...
Wearable audio device having external antenna and related technology
New Audio Llc
January 18, 2018 - N°20180020277

A wearable audio device in accordance with a particular embodiment of the present technology includes an earpiece, a speaker, an antenna, and processing circuitry. The earpiece includes a housing within which the speaker and the processing circuitry are disposed. The antenna conformably extends along a perimeter portion of the housing. The processing circuitry is configured to receive audio content from ...
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Antenna assemblies with tapered loop antenna elements
Antennas Direct, Inc.
December 07, 2017 - N°20170352956

According to various aspects, exemplary embodiments are provided of antenna assemblies. In an exemplary embodiment, an antenna assembly generally includes at least one antenna element configured to be operable for receiving high definition television signals. The antenna assembly may also include at least one reflector spaced-apart from the antenna element that is configured to be operable for reflecting electromagnetic waves ...
Coil-type loop antenna for mobile device
Hctm Co., Ltd.
December 07, 2017 - N°20170352951

A coil-type loop antenna for a mobile device is installed in a mobile device, and includes an antenna coil which is arranged in the form of a coil wound around the outside surface of a housing of a permanent magnet structure having a permanent magnet on the inside thereof.
Multi-frequency, multi-radiation angle, multi-polarization and multi-pattern communication antenna
International Business Machines Corporation
November 30, 2017 - N°20170346196

An antenna is provided and includes a base antenna component, a loop antenna component, a first coupling by which the loop antenna component is pivotally attached to and selectively electrically communicative with the base antenna component, a whip antenna component, a second coupling by which the whip antenna component is pivotally attached to and selectively electrically communicative with the loop ...
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Non-contact power reception apparatus for non-contact charging and electronic settlement performed in a single portable ...
Hanrim Postech Co., Ltd.
November 23, 2017 - N°20170338683

A non-contact power reception apparatus is provided, in which a power reception coil for a charging system and a loop antenna for an electronic settlement system are mounted on a battery pack and a cover case of a portable terminal such that the power reception coil is arranged in the center thereof and the loop antenna is disposed outside the ...
Communication device with metal-frame half-loop antenna element
Acer Incorporated
November 23, 2017 - N°20170338546

A communication device includes a ground plane and an antenna element. The antenna element includes a radiation metal strip and a feed metal line. The feed metal line is disposed between the radiation metal strip and the ground plane. A first metal strip of the radiation metal strip has a first end electrically connected to the ground plane by a ...
Antenna device and mobile wireless device provided with the same
Tdk Corporation
November 16, 2017 - N°20170331191

Disclosed herein is an antenna device including a first metal layer having first and second areas, a coil pattern having first and second terminals, a first wiring pattern connected between the first area of the first metal layer and the first terminal of the coil pattern, and a second wiring pattern connected between the second area of the first metal ...
Controllable electrical outlet having a resonant loop antenna
Lutron Electronics Co., Inc.
October 26, 2017 - N°20170310109

A controllable electrical outlet may comprise a resonant loop antenna. The resonant loop antenna may comprise a feed loop electrically coupled to a radio-frequency (rf) communication circuit and a main loop magnetically coupled to the feed loop. The controllable electrical outlet may comprise one or more electrical receptacles configured to receive a plug of a plug-in electrical load and may ...
Electronic device with near-field antenna operating through display
Apple Inc.
October 26, 2017 - N°20170309988

An electronic device may have a display. A display cover layer and a transparent inner display member may overlap a display pixel layer. The display pixel layer may have an array of display pixels for displaying images for a user. A touch sensor layer may be interposed between the display pixel layer and the transparent display member. A ferromagnetic shielding ...
Rfid tag and high frequency circuit
October 19, 2017 - N°20170300801

An rfid tag includes: a base portion in a plate shape made of dielectric material; a loop antenna formed by etching and including a first antenna element and a second antenna element disposed in a loop shape along an outer periphery of the base portion; and an ic chip inserted to the loop antenna in series and including a first ...
Near field, full duplex data link for use in static and dynamic resonant induction wireless ...
Momentum Dynamics Corporation
October 12, 2017 - N°20170294941

A full duplex, low latency, near field data link controls a static and/or dynamic resonant induction, wireless power transfer system used for recharging electric vehicles and other electrically powered devices. A coherent transponder configuration enables low complexity synchronous detection and positive rejection of signals originating from nearby and adjacent vehicles. A reference crystal oscillator in the ground side apparatus ...
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Antenna arrangement
Microsoft Technology Licensing, Llc
September 07, 2017 - N°20170256856

An antenna arrangement comprises a casing comprising a flange and a collar extending upwards from the flange. A magnetic loop antenna coil covers an outer surface of at least one of the flange and the collar at least partly. A magnetic material layer is arranged between the magnetic loop antenna coil and the outer surface of the flange and the ...
Electronic device having loop antenna
Samsung Electronics Co., Ltd.
August 17, 2017 - N°20170237149

An electronic device is provided that includes a housing having a first surface facing a first direction, and a second surface facing a second direction opposite to the first direction. The electronic device also includes a conductive pattern having a first conductive coil with an axis that is substantially perpendicular to the first direction or the second direction. The electronic ...
Phase controlled array for wirelessly powering implantable devices
Verily Life Sciences Llc
August 10, 2017 - N°20170230084

A reader device includes an array of antenna coils configured to electromagnetically couple with devices implanted beneath or within skin of a human body. An implanted device can include a loop antenna or other means configured to couple with at least one antenna coil of the reader device to receive radio frequency energy from the reader device. The antenna coil ...
A supply cable, a driver arrangement with wireless control function and a control method
Philips Lighting Holding B.v.
August 10, 2017 - N°20170229770

The invention provides a connection head (40) for using with a supply cable for supplying power to a device, which device is within a housing. A first end (41) of the connection head is for mounting outside the housing of the device. A second end (43) of the connection head is for mounting inside the housing of the device. A closed loop antenna ...
Watch-type mobile terminal including antenna
Lg Electronics Inc.
July 27, 2017 - N°20170214422

A watch-type mobile terminal including an antenna is provided. The watch-type mobile terminal may include a body configuring an external appearance of a watch and operating as a loop antenna, a plurality of feeding units applying each of a plurality of communication signals to the loop antenna, and a ground part connected to a ground of the watch. In this ...
Rfid system with an eddy current trap
Deka Products Limited Partnership
July 20, 2017 - N°20170207536

An rfid antenna assembly configured to be energized with a carrier signal is disclosed. The rfid antenna assembly includes an inductive component including a loop antenna assembly, at least one capacitive component coupled to the inductive component, and an eddy current trap positioned a predetermined distance from the loop antenna assembly.
Loop antenna and communication control device
Renesas Electronics Corporation
July 20, 2017 - N°20170207535

A loop antenna 1 includes: a first electrode terminal 2c; a second electrode terminal 2d arranged to make a pair with the first electrode terminal 2c; and a loop-shaped member 2 which has one end connected to the first electrode terminal 2c and the other end connected to the second electrode terminal 2d, is wound a plurality of times, and is made ...
Electronic device with antenna having ring-type structure
Samsung Electronics Co., Ltd.
July 20, 2017 - N°20170207518

Various exemplary embodiments of the present disclosure may provide an electronic device including an antenna with a ring-type structure. The electronic device includes a metal bracket and the antenna. The antenna includes a first metal ring surrounding the metal bracket, where the first metal ring has at least two sections separated by at least one gap. At least one section ...
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