Follow us on Twitter
twitter icon@FreshPatents


Loop Antenna patents

      

This page is updated frequently with new Loop Antenna-related patent applications.




 Self-grounded antenna arrangement patent thumbnailSelf-grounded antenna arrangement
A self-grounded antenna arrangement includes a base or central portion in a first plane and a number of arm sections associated with the central portion that taper toward a respective end tip. Each arm section is adapted to form a transition from the central portion and being bent backward toward the central portion by more than 180 degrees so that its end tip approaches a first side of the central portion, at an opening in the central portion.
Gapwaves Ab


 Near-field gradient probe for the suppression of radio interference patent thumbnailNear-field gradient probe for the suppression of radio interference
An antenna system is provided comprising first, second, and third loop antennas, each antenna having a respective loop area and spaced apart from the other antennas. The first and third antennas are configured and driven to form a first independent balanced feed point that is substantially isolated from the second antenna, which is configured to be driven from a second balanced feed point.
Raytheon Company


 Electronic device with antenna having ring-type structure patent thumbnailElectronic device with antenna having ring-type structure
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.
Samsung Electronics Co., Ltd.


 Touch panel device, electronic apparatus and method patent thumbnailTouch panel device, electronic apparatus and method
According to one embodiment, a capacitance type touch panel device which is provided on a screen of a display device and is allowed to detect a touch of a stylus is provided. The touch panel device includes a loop antenna, a sensor and a controller.
Kabushiki Kaisha Toshiba


 Multiband antenna apparatus and methods patent thumbnailMultiband antenna apparatus and methods
The present disclosure includes multiband antenna apparatus and methods. In one embodiment, an antenna includes a loop antenna having a first corner between a first side and a second side and a second corner between the second side and a third side, a loop fed inverted f antenna comprising the loop antenna and a first arm extending from the second corner of the loop antenna, the first arm configured in parallel with the first and second sides of the loop antenna and forming a corner proximate to the first corner of the loop antenna, and a monopole antenna coupled to the first side of the loop antenna..
Qualcomm Incorporated


 Wireless electronic device with magnetic shielding layer patent thumbnailWireless electronic device with magnetic shielding layer
An electronic device may have a housing, electrical components, and other electronic device structures. A display may be mounted in the housing.
Apple Inc.


 Ferrite green sheet, sintered ferrite sheet, ferrite composite sheet comprising the same, and conductive loop antenna module patent thumbnailFerrite green sheet, sintered ferrite sheet, ferrite composite sheet comprising the same, and conductive loop antenna module
Disclosed are a ferrite green sheet comprising a pattern formed in a top surface of the ferrite green sheet, a sintered ferrite sheet, a ferrite composite sheet comprising the same, and a conductive loop antenna module. The pattern comprises a plurality of grooves, each groove has a width w and a rounded shape bottom having a radius of curvature of r, wherein a ratio of w to r (w:r) is in the range of 1:0.1 to 1:0.5..
3m Innovative Properties Company


 System,  controlling buried devices patent thumbnailSystem, controlling buried devices
A system, method and apparatus for controlling buried devices by means of a very low frequency (vlf) modulated magnetic field capable of providing through-the-earth (tte) communications. The system comprises a plurality of vlf transmission loop antennas positioned to cover a desired coverage area and configured to transmit a magneto-inductive signal to a desired operating depth.
Vital Alert Communiation Inc.


 Communication module patent thumbnailCommunication module
Various embodiments provide a communication module having a carrier, a loop antenna, a modulation circuit which is coupled to the loop antenna and is configured to modulate or demodulate signals which are received or transmitted using the loop antenna, and an impedance matching circuit for matching the impedance of the loop antenna to the input impedance of the modulation circuit. The modulation circuit and the impedance matching circuit are arranged inside the loop antenna on or in the carrier..
Infineon Technologies Ag


 Power line proximity sensing and warning system patent thumbnailPower line proximity sensing and warning system
A wireless power line sensing device can include an external antenna port that permits connection of an external loop antenna to the wireless power line sensing device. The external loop antenna can be used in place of the integral loop antenna which can be disabled when the external loop antenna is connected.
United Safety, Inc.


Electronic device with near-field antenna operating through display

An electronic device may have a display. A display cover layer and a transparent inner display member may overlap a display pixel layer.
Apple Inc.

Loop antenna for mobile handset and other applications

There is disclosed an antenna system for mobile handsets and other devices. The antenna system comprises a dielectric substrate having first and second opposed surfaces, a conductive track on the substrate, and a separate, directly driven antenna to drive the parasitic loop antenna formed by the conductive track.
Microsoft Technology Licensing, Llc

Antennas for near-field and non-near-field communications

An electronic device may be provided with antenna structures. The antenna structures may be coupled to non-near-field communications circuitry such as cellular telephone transceiver circuitry or wireless local area network circuitry.
Apple Inc.

Multipath open loop antenna with wideband resonances for wan communications

The disclosure concerns an antenna with open loops and multipath current distribution to achieve ultra wideband characteristics and antenna miniaturization, while simultaneously keeping high performance for a more reliable wan communication, with higher data transfer, less dropping connections and improved sensitivity. To further reduce spatial requirements, the antenna may be incorporated on a flex substrate for bending with the contour of a device housing or the like..
Taoglas Group Holdings Limited

Two-part pulsed electromagnetic field applicator for application of therapeutic energy

Pulsed electromagnetic field (pemf) apparatuses and methods of making and using them. In particular, described herein are two-part pemf apparatuses that include a self-contained, lightweight, small, compact (e.g., in some variations, wearable) generator unit that is adapted to releasably and replaceably mate with an applicator unit.

Loop antenna having a parasitically coupled element

An antenna, a portable electronic device incorporating an antenna and a method of operation are provided to enable both wide and multiple frequency band response. The antenna may include a feeding arm and a parasitic element.

Antenna system using capacitively coupled compound loop antennas with antenna isolation provision

An antenna system is provided, including a first antenna, a second antenna, a ground plane, and a resonant isolator coupled to the first and second antennas. Each of the antennas is configured to be a capacitively-coupled compound loop antenna, and the resonant isolator is configured to provide isolation between the two antennas at resonance.

Antenna device and portable electronic device

An antenna device of the present invention includes, in one aspect: a patch antenna having a resonant frequency at a first frequency; and a loop antenna having a resonant frequency at a second frequency that is different from the first frequency. A loop length of the loop antenna is such that standing waves are generated in the loop antenna when the loop antenna receives radio waves of the first frequency, and the patch antenna is disposed so as to magnetically couple with the loop antenna..
Casio Computer Co., Ltd.

Communication system, information recording medium, and relay communication device

The disclosed communication system, information recording medium, and relay communication device allow communication via electromagnetic induction, allow the use of low-cost information recording media, improve communication stability when information recording media is misaligned or rotated, and provide high ic-chip tolerance to flexion in information recording media. An information recording medium (3-1) has: an ic chip (32-1) that is capable of communication via electromagnetic induction; and a pair of thin conductive sheets (21-1) connected to the ic chip (32-1).
Dai Nippon Printing Co., Ltd.

System and coupling proximity ic card/module to proximity coupling device in low mutual magnetic coupling conditions

A proximity integrated circuit card (picc) is disclosed comprising a main loop antenna to transmit data from said picc and a secondary loop antenna to receive rf transmission to said picc. The main antenna and the secondary antenna arranged to yield low mutual magnetic coupling so that the rf transmission to the picc yields bigger signal in the secondary antenna than the signal that yields in the secondary antenna from a transmission from the main antenna.
On Track Innovations Ltd.

Electronic device with shared antenna structures and balun

An electronic device may be provided with shared antenna structures that can be used to form both a near-field-communications antenna such as a loop antenna and a non-near-field communications antenna such as an inverted-f antenna. The antenna structures may include conductive structures such as metal traces on printed circuits or other dielectric substrates, internal metal housing structures, or other conductive electronic device housing structures.
Apple Inc.

Local sar behavior of mri transmission coils by use of orthogonal loop antennas

A local coil for a magnetic resonance imaging system includes at least one former antenna and at least one further antenna. The at least one former antenna is arranged orthogonally with respect to the at least one further antenna..

Multi-band plasma loop antenna

Disclosed is a multi-band plasma loop antenna that may reduce radio interference and provide multiple bands. First, the multi-band plasma loop antenna includes an antenna element including a plurality of plasma loop patterns; a plasma activation controller configured to activate a specific plasma loop pattern among the plurality of plasma loop patterns based on an input signal; and at least one rf feed configured to apply an rf signal to the antenna element.
Electronics & Telecommunications Research Institute

Antenna device and increasing loop antenna communication range

A device includes a first loop antenna and a second loop antenna. The first loop antenna includes at least three sides, wherein at least two of the sides form an acute interior angle.
Sony Corporation

Decoupled contactless bi-directional systems and methods

A contactless bi-directional device including first and second generally mutually electromagnetically decoupled contactless loop antennas which are arranged in at least partially mutually overlapping orientation, first and second contactless communication chips, each of the first and second communications chips being connected to a corresponding one of the generally mutually electromagnetically decoupled contactless loop antennas, thereby providing bi-directional communication.. .
On Track Innovations Ltd.

Co-located antennas and an electronic device including the same

Provided is an antenna system. The antenna system, in this aspect, includes a loop antenna element, the loop antenna element having a positive loop antenna terminal end and a negative loop antenna terminal end.
Nvidia Corporation

Wideband loop antenna and an electronic device including the same

Provided is an antenna. In one aspect, the antenna includes a feed element having a first feed element end and a second feed element end, the first feed element end configured to electrically connect to a positive terminal of a transmission line.
Nvidia Corporation

Conductive loop antennas

A antenna for a wireless device is provided. The antenna may include a dielectric substrate, a counterpoise disposed on the dielectric substrate, a first conductive element electrically connected to the counterpoise, and a second conductive element electrically connected to a feed point.

Systems and methods for hearing assistance device antenna

Disclosed herein, among other things, are systems and methods for modular circuit component for a hearing assistance device flex antenna. One aspect of the present subject matter includes a universal apparatus for use with multiple hearing assistance devices.
Starkey Laboratories, Inc.

Broadband antenna

A broadband antenna for a wireless communication device includes a grounding unit for grounding; a first radiating element; a second radiating element electrically connected to the grounding unit; a signal feed-in element for transmitting a radio signal to the first radiating element in order to emit the radio signal via the first radiating element; and a passive component comprising an inductor, where the passive component is electrically connected between the first and the second radiating elements to work in conjunction with the first radiating element, the second radiating element and the grounding unit to form a loop antenna effect.. .
Wistron Neweb Corporation

Antenna structure and wireless communication device using the antenna structure

An antenna structure includes an antenna holder, a radiating body, a feed portion, and a grounding portion. The antenna holder includes a plurality of surfaces.
Chiun Mai Communication Systems, Inc.

Nerve stimulation device with a wearable loop antenna

A wearable medical device system having an external, necklace-shaped antenna that is sized and configured for placement about the neck of a subject, and having an implantable device with an implanted antenna that communicates with the external antenna to permit the transfer of energy and data between external and implantable components. The wearable medical device includes a control module that communicates with the implanted device via the external antenna.
Cyberonics, Inc.

Antenna device and electronic apparatus

A square bracket-shaped radiation element is in a non-ground region of a board. A first reactance element that equivalently enters a short-circuited state in a second frequency band is connected between a second end of the radiation element and a ground conductor.
Murata Manufacturing Co., Ltd.

Antenna structure and wireless communication device using the antenna structure

An antenna structure includes an antenna holder, a feed portion, a grounding portion, and a radiating body. The antenna holder includes a plurality of surfaces.
Chiun Mai Communication Systems, Inc.

Three-dimensional compound loop antenna

A three-dimensional compound loop antenna is provided, including a ground plane, a pair of horizontal conductive portions substantially horizontal relative to the ground plane, a feed line substantially vertical relative to the ground plane, and a vertical conductive portion coupling the pair of horizontal conductive portions to the ground plane.. .
Dockon Ag

Loop antenna

A loop antenna is provided, which includes a first loop section, a second loop section and a third loop section. The first loop section surrounds and defines an empty area.
Wistron Neweb Corp.

Loop antenna and switching the same

The loop antenna includes a loop coil connected to an rf signal source of a reader through a feed cable, and a switch that is turned on and off depending on a dc voltage that is proportional to the magnitude of an rf signal supplied from the rf signal source of the reader and opens the loop coil when turned off and closes the loop coil when turned on.. .
Electronics And Telecommunications Research Institute

Circular dipole and surface coil loop structures and methods for using the same

A circular dipole antenna (e.g., for a magnetic imaging system) according to exemplary embodiments of the present disclosure can comprise a circular conductor with a feed point on one side and a gap on the other. A surface coil loop antenna (e.g., for magnetic imaging system) is provided with a capacitor arrangement selected for non-uniform or unbalanced current distribution, with corresponding magnetic and electric dipole fields provided in a single structure referred to as a loopole..
New York University

First responder and mine emergency communication

An underground mine communications upgrade comprises an independent vhf-uhf band to mf band repeater-transceiver translator (rtt) and loop antenna added to a conventional miner's cap-lamp and helmet. Vhf/uhf band communications with nearby conventional handsets are translated to medium frequency (mf band) communications that couple mine-wide to copper-core life-lines in all the entries.
Stolar, Inc.

Antenna and communication device comprising same

Disclosed are an antenna and a communication device including the same. The antenna includes a feeder, a first loop antenna that has an end connected to the feeder and the other end connected to a ground, and a second loop antenna that has an end connected to the feeder and the other end connected to the ground, and has an electrical length different from that of the first loop antenna, wherein an impedance matching line having a discontinuously different line width is formed in a partial area of the first loop antenna..
Emw Co., Ltd.

Antenna device and electronic apparatus

A square bracket-shaped radiation element is in a non-ground region of a board. A first reactance element that equivalently enters a short-circuited state in a second frequency band is connected between a second end of the radiation element and a ground conductor.
Murata Manufacturing Co., Ltd.

Antenna structure and wireless communication device employing same

An antenna structure includes a feeding portion, a first grounding portion, a second grounding portion, a first loop antenna and a second loop antenna. The feeding portion has a first side and a second side parallel to the first side.
Chiun Mai Communication Systems, Inc.

Wearable electronic device

A wearable electronic device includes a body and a wearing element. The body includes a conductive frame.
Asustek Computer Inc.

Adjustable magnetic probe for efficient near field scanning

A method and apparatus for testing near field magnetic fields of electronic devices. The method comprises measuring a magnetic field using a loop antenna that is oriented in a first direction.
Qualcomm Incorporated

Antenna structure and wireless communication device employing same

An antenna structure includes a feeding portion, a grounding portion, a first radiating body, a second radiating body, a first coupling portion and a second coupling portion. The first radiating body is electronically coupled to the grounding portion and the feeding portion.
Chiun Mai Communication Systems, Inc.

Microwave sensor having function of range gates

A microwave sensor is disclosed. The microwave sensor includes an active antenna module, a first low pass filter, a second demodulator, a modulation module, and a discrimination control module.
U&u Engineering Inc

Position detection method, position detection apparatus, antenna apparatus, and display apparatus

Provided are a position detection method that selects one antenna at a time from a plurality of loop antennas, transmits, through the selected loop antenna, an electromagnetic signal to a pointer that indicates a screen unit, receives, from the pointer, a resonance signal corresponding to the electromagnetic signal transmitted through the selected loop antenna, and extracts polar coordinates including a distance value and an angle value of a point on a screen unit indicated by the pointer, based on a distribution of a signal strength of a resonance signal received through each of the plurality of loop antennas, a position detection apparatus, a display apparatus, and an antenna apparatus appropriate for extracting polar coordinates.. .
Lg Display Co., Ltd.

Multi-feed loop antenna

A multi-feed antenna in provided, including multiple feed elements associated with multiple frequency regions, respectively, and a folded loop element for radiating energy. Each of the multiple feed elements is capacitively coupled to the folded loop element..
Ethertronics, Inc.

Folded near field communication antenna

Provided is an antenna structure which is capable of having sufficient antenna performance even in an antenna having a small cross-sectional area. The antenna of the present invention comprises: a ferrite sheet; and an antenna sheet (flexible printed circuit board) which has a spiral loop antenna pattern.
Aq Corporation

Mobile terminal having antenna

A mobile terminal that can prevent radiation performance deterioration of an antenna is provided. The mobile terminal includes a circuit board in which an antenna and one or more key buttons are mounted, a housing mounted on the antenna and the circuit board, and a case for enclosing a periphery of the one or more key buttons and having a plurality of openings according to the quantity of the key buttons, wherein an antenna adjacent opening among the plurality of openings is extended through a slot toward an edge of the case to embody a loop antenna.
Samsung Electronics Co., Ltd.

Capacitively coupled loop antenna and an electronic device including the same

Provided is an antenna. The antenna, in one embodiment, includes a feed element electrically connectable to a positive terminal of a transmission line, and a ground element electrically connectable to a negative terminal of the transmission line.
Nvidia Corporation

Active antenna module

An active antenna module is disclosed. The active antenna module comprises a loop antenna, a rf transistor, a lr series circuit, a first bypass capacitor and a second bypass capacitor.
U&u Engineering Inc.

Tablet having a flexible and transparent sensing area

The present invention relates to a tablet having a flexible and transparent sensing area, comprising: an insulating transparent base material having a first loop antenna and a plurality of comb-shaped first line antennas; and a control substrate having, mounted thereon, a first multiplexer (mux) for selecting one of the ends of the plurality of first line antennas, an amplifier for outputting a potential difference between an output of the first multiplexer and the first loop antenna, and an mcu (micro controller unit) for generating a first selection signal and, on the basis of the potential difference from the amplifier, sensing the position of an electronic pen from one line antenna. The first loop antenna formed on the transparent base material is combined with a first conductive pattern formed on the control substrate, thereby forming a closed loop.
The Han Inc.

Diplexing and triplexing of loop antennas

An antenna system comprising a plurality of loop antenna sets with each of the plurality of loop antenna sets disposed in one of a plurality of different parallel planes with each of the planes being spaced apart from another adjacent plane and wherein loop antenna set in the plurality of loop antenna sets comprises a plurality of loop antennas and wherein the plurality of loop antennas are configured such that the near field inductive coupling between the plurality of loop antenna sets is zero. The absence of inductive coupling between the loop elements provides a frequency-independent means for multiplexing signals for transmission and reception by the multiple loop antenna system..
Raytheon Company

Multi-band antenna

Methods and systems for extending a bandwidth of a multi-band antenna of a user device are described. A multi-band antenna includes a single radio frequency (rf) input coupled to a first loop antenna, the first loop antenna configured to provide a first resonant mode.
Amazon Technologies, Inc.

High frequency magnetic field antenna

An antenna system including a loop antenna including a conductor; and a magnetic gain element positioned in an aperture defined by the loop antenna, the magnetic gain element including a magnetic material that has a relative permeability greater than one for an operating frequency range, the magnetic gain element configured to increase a magnetic flux density associated with a received magnetic-field component of an incident electromagnetic wave wherein a loop output voltage induced in the loop antenna is based, at least in part, on the increased magnetic flux density.. .
University Of New Hampshire

Headset loop antenna for audio devices

The present invention relates to a headset device, an audio device and methods of receiving a radio signal via the headset device, wherein the headset device comprises at least one first conductor for supplying an audio signal to a respective earpiece, a second conductor arranged in a loop configuration for providing a magnetic antenna, and a connector (50) having at least one respective first connecting portion (3, 4) for providing a connection to the at least one first conductor (140), a second connecting portion (1) for providing a connection to a first end of the second conductor (70), and a third connecting portion (2) for providing a connection to a second end of the second conductor (70), wherein an output of the magnetic antenna is provided between the second and third connecting portions (1, 2). At the audio device, an impedance transformer (10) is coupled to the second and third connecting portions at its primary side and to an amplifier (20) at its secondary side..
Nxp B.v.

Electromagnetic open loop antenna with self-coupling element

An antenna is provided for the new combined gps and glonass technologies in single port for tracking and navigation applications in wireless devices. The resonant mechanism is excited by an open loop structure at 1.575 ghz and 1.610 ghz, forcing the current distribution to remain at that particular portion of the antenna resulting as the primary resonator..
Taoglas Group Holdings Limited

Method for determining incline angle of electromagnetic pointer

A method for determining an incline angle of an electromagnetic pointer is provided. The electromagnetic pointer is positioned on or above a digitizer which has a plurality of loop antennas.
Waltop International Corp.

Practical electromagnetic gradiometer

An electromagnetic gradiometer (emg) survey kit includes a lightweight man-carry boom about ten feet long. Matched magnetic dipole antennas are attached at each end and connected to a differential emg receiver able to make measurements in the picotelsa range.
Stolar Research Corporation

Multiple polarization loop antenna and associated methods

The multiple polarization loop antenna includes a circularly polarized loop antenna, which may utilize a loop electrical conductor and two signal feedpoints along the loop electrical conductor separated by one quarter of the length of the loop circumference for a signal feedpoint phase angle input difference of 90 degrees. Each of the signal feedpoints may include a loop discontinuity, so that at least one signal source coupled thereto provides circular polarization from the loop electrical conductor.

Decoupled contactless bi-directional systems and methods

A contactless bi-directional device including first and second generally mutually electromagnetically decoupled contactless loop antennas which are arranged in at least partially mutually overlapping orientation, first and second contactless communication chips, each of the first and second communications chips being connected to a corresponding one of the generally mutually electromagnetically decoupled contactless loop antennas, thereby providing bi-directional communication.. .

Loop antenna

A loop antenna in accordance with the present invention has an antenna element having a shape that traces a closed curve, the antenna element including (i) a first projection section which projects from one of two end sections of the antenna element toward an inside of the closed curve and (ii) a second projection section which projects from the other of the two end sections of the antenna element toward the inside of the closed curve, each of the first projection section and the second projection section including a feed point.. .

Rfid tag and automatic recognition system

An rfid tag having a resin substrate, an ic chip positioned in the center section on the substrate, a single-layer antenna for forming an electric closed circuit by connecting with the ic chip and positioned in the peripheral section of the ic chip, and a sealing material for sealing the ic chip and the antenna, wherein the antenna is a coil antenna or a loop antenna, the resonant frequency (f0) of the antenna is the operating frequency of the ic chip or thereabouts, the operating frequency of the ic chip is 13.56 mhz-2.45 ghz, or 0.86-0.96 ghz, and the size of the rfid tag is 13 mm or less in length, 13 mm or less in width, and 1.0 mm or less in height; and an automatic recognition system using the same.. .

Antenna with tunable high band parasitic element

Electronic devices may be provided that include radio-frequency transceiver circuitry and antennas. An antenna may be formed from an antenna resonating element and an antenna ground.

Rfid tag, producing rfid tag, and die

An rfid tag is provided which does not give a user a feeling of strangeness even when contacting his/her body and is firmly attachable to a fabric such as clothes. The rfid tag is for wireless communications and includes a main antenna 30 formed by a conductive fiber, a loop antenna 12 electrically coupled to the main antenna 30 without direct conductive connection, a semiconductor device 20 electrically connected to a terminal 16 of the loop antenna 12, and a resin 28 collectively sealing the main antenna 30, the loop antenna 12, and the semiconductor device 20..

Small loop antenna with shorting conductors for hearing assistance devices

Disclosed herein, among other things, are methods and apparatus for mitigating antenna interference for hearing assistance devices. One aspect of the present subject matter includes a hearing aid for a wearer including hearing aid electronics and an antenna including a loop segment.

Touch type organic light emitting diode display device

An organic light emitting diode display device includes a display portion including a substrate, and an organic light emitting diode on the substrate; and an electromagnetic induction sensor portion attached to a bottom of the display portion, wherein the electromagnetic induction sensor portion includes: a back plate; a protection layer covering a bottom of the back plate; and a loop antenna pattern on at least one of top and bottom surfaces of the back plate.. .

Vlf transmit antenna system, method and apparatus

There is provided a very low frequency (vlf) transmit antenna system, method, and apparatus for creating a magnetic field at low frequencies suitable for communications through the earth or other thick, solid barriers. At least two loop antennas are arranged such that a magnetic field of each one of the at least two loop antennas passes through each remaining one of the at least two loop antennas, thereby closely coupling the at least two loop antennas.



Loop Antenna topics:
  • Loop Antenna
  • Communications
  • Antenna Loop
  • Power Harvesting
  • Circuit Board
  • Dipole Antenna
  • Communication System
  • Transceiver
  • Planar Antenna
  • Planar Antennas
  • Signal Processing
  • Magnetic Resonance Imaging
  • Imaging System
  • Interventional
  • Disconnect


  • Follow us on Twitter
    twitter icon@FreshPatents

    ###

    This listing is a sample listing of patent applications related to Loop Antenna for is only meant as a recent sample of applications filed, not a comprehensive history. There may be associated servicemarks and trademarks related to these patents. Please check with patent attorney if you need further assistance or plan to use for business purposes. This patent data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Loop Antenna with additional patents listed. Browse our RSS directory or Search for other possible listings.


    2.0784

    file did exist - 3309

    0 - 1 - 69