|| List of recent Dipole-related patents
|Techniques for designing millimeter wave printed dipole antennas|
A printed millimeter wave dipole antenna and techniques for designing such an antenna are disclosed. In one embodiment, the dipole antenna comprises: a signal wing and at least one ground wing for propagating signals in a millimeter wave band; and an unbalanced feeding structure directly coupled to the signal wing.
|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.
|Frequency doubler and related method of generating an oscillating voltage|
A frequency doubling device suitable to generate an output terminal voltage oscillating at a differential frequency double the frequency of the input differential voltage, includes a first differential pair of p-type transistors and a second differential pair of n-type transistors controlled by the differential input voltage, as well as an lc oscillator including a lc resonant dipole through which the absorbed current is forced by two differential pairs of transistors.. .
A dipole antenna in accordance with the present invention includes a first antenna element provided in a two-dimensional surface and having a linear shape and a second antenna element provided in the two-dimensional surface and having a spiral shape that circles around the first antenna element.. .
|Circuits and methods related to power amplifier efficiency based on multi-harmonic approximation|
Circuits and methods related to power amplifier efficiency based on multi-harmonic approximation. In some embodiments, an output network circuit can be provided for multi-harmonic control of a radio-frequency (rf) power amplifier.
|Low energy, cold process formulation aid|
Provided are cold process formulation aids (cpfas), methods for their manufacture, and personal care products made using them. Cpfas include (i) a polymer having an aliphatic backbone and a plurality of pendant groups thereon that are pendant ionic or ionizable groups, or pendant groups having at least one permanent dipole that includes an acid, alcohol, thiol, ester, amine, amide, imide, imine, or nitrile moiety, and (ii) a wax selected from natural waxes and synthetic waxes, wherein if the wax is not micronized and is not self-emulsifying, the ratio, by weight, of the non-micronized wax to the polymer having an aliphatic backbone is from about 60:40 to 80:20, and if the wax is a micronized wax or a self-emulsifying wax, the ratio, by weight, of wax to polymer backbone is 70:30 to 98:2..
|Electric energy storage device|
An electric energy storage device comprises first and second conductor layers, and positive and negative electrodes. The first conductor layer has both surfaces coated with ionic or dipole material across entire surface thereof.
Wideband antennas, a wideband antenna assembly and a method are disclosed. One wideband antenna comprises at least one dipole arm base (90a) to be received by a ground plane (80) and supporting at least one dipole arm (20) fed by a dipole arm feed (40), said dipole arm base being dimensioned to provide less than a quarter wavelength separation between said ground plane and said dipole arm, said dipole arm base having apertures (100) to provide a quarter wavelength effective electrical length between said ground plane and said dipole arm feed.
|Antenna structure having orthogonal polarizations|
An antenna structure is disclosed that includes a dipole antenna and a slot antenna extending along a first axis. The dipole antenna and the slot antenna each have a radiation pattern that is omni-directional in an azimuth plane of the earth.
|Multiband whip antenna|
A multi-band whip antenna having a 30 mhz to 2 ghz bandwidth and an l-band dipole has its coverage extended up to 6 ghz by eliminating nulls and reducing vswr problems that are cured through the utilization of a sleeve over the feedpoint of the l-band antenna. Chokes in the form of sleeves are provided at either end of the l-band dipole to shorten the l-band antenna for preventing reverse polarity currents at the l-band antenna feedpoint, with the antenna further including the use of double shielded meanderlines to provide improved performance between 410-512 mhz and in which a capacitance sleeve is added at the bottom of the l-band antenna to effectively elongate the antenna below the l-band to permit operation below 700 mhz..
|Wireless energy transfer antennas and energy charging systems|
A resonant wireless energy transfer system comprises first and second antennas made up of dual parallel wire helixes wherein the wires are terminated by short wires. Voltage controlled variable capacitors are connected into the antennas to permit progressive variation between folded dipole and normal dipole operating modes such that optimum energy transfer can be achieved between the antennas over a wide range of antenna separation distances.
|Transcutaneous electrical nerve stimulation and method using same|
The present disclosure relates to an apparatus and associated methods to produce analgesia in a mammal by providing an electrical nerve stimulus utilizing a pulsed input of low level electrical current, wherein the level of current is measurable with the measurements utilized to at least adjust the strength of the current according to selected parameters. Additionally, the use of magnets to produce a magnetic field to further control chronic and acute pain.
|Small printed meander antenna performances in 315mhz frequency band including rf cable effect|
The present disclosure pertains to a compact antenna assembly adapted to be used with a remote key entry system for an associated vehicle that is configured to receive radio waves within the 200 mhz to 450 mhz frequency band or more particularly within about the 315 mhz band. The antenna assembly includes a meander line antenna trace of a desired geometry having a plurality of bends and strips that is configured to reduce the effect of electromagnetic interference.
|System and method for quantum information transfer between optical photons and superconductive qubits|
An electro-optical system for exchanging quantum information between optical qubits and including a superconductive microwave cavity; an electro-optical material: a superconductive qubit circuit formed on the electro-optical material including a superconductive qubit; a dipole antenna, formed on the electro-optical material for directly coupling the superconductive qubit to the superconductive microwave cavity; an optical input for receiving input optical photons; a microwave input for receiving input microwave photons; and an optical output for outputting modulated optical photons, wherein a frequency and a phase of the optical photon is modulated with a state of the superconducting qubit by the dipole antenna.. .
|Horizontally polarized omni-directional antenna apparatus and method|
An alford antenna array having at least three driven elements disposed on a substrate, a first portion of each driven element being disposed on one side of the substrate, and a second portion of said each driven element being disposed on a second side of the substrate. At least one of the driven elements has a bent-dipole alford loop coupled to two feed points and has an acute-angle dipole feed point and acute-angle loaded ends.
|Multi-beam smart antenna for wylan and pico cellular applications|
Multi-beam smart antenna for wlan and cellular applications preferably has a steerable antenna system with a dipole antenna element located at the center of a ground plane. A first conductor is oriented parallel and collinear with a second conductor, and the ground plane is located therebetween.
|In-body device with virtual dipole signal amplification|
Virtual dipole signal amplification for in-body devices, such as implantable and ingestible devices, is provided. Aspects of the in-body deployable antennas of the invention include antennas configured to go from a first configuration to a second configuration following placement in a living body, e.g., via ingestion or implantation.
|Fully compensated synthetic antiferromagnet for spintronics applications|
A synthetic antiferromagnet serving as a reference layer for a magnetic tunnel junction is a laminate with a plurality of “x+1” magnetic sub-layers and “x” non-magnetic spacers arranged in an alternating fashion, with a magnetic sub-layer at the top and bottom of the laminated stack. Each spacer has a top and bottom surfaces that interface with adjoining magnetic sub-layers generating antiferromagnetic coupling between the adjoining sub-layers.
|Electronic control of fluidic species|
In some cases, the droplets may each have a substantially uniform number of entities therein. For example, 95% or more of the droplets may each contain the same number of entities of a particular species.
|Annular vehicle with dipole antenna|
An annular vehicle having a body which defines a body axis and appears substantially annular when viewed along the body axis. The interior of the annulus defines a duct which is open at both ends.
|Systems and methods for detecting and identifying dentures having embedded tunable loop-dipole rfid tag antenna|
A radio frequency identification (rfid) system for detecting and identifying lost dentures in a facility, includes readers deployed in fixed locations in the facility. Each of the readers is configured to transmit a first signal and to detect from a distance a second signal, which is generated at an rfid transponder embedded in a denture in response to receiving the first signal by backscattering a part of the first signal.
|Method and apparatus for sorting carbon nanotubes|
A process of sorting metallic single wall carbon nanotubes (swnts) from semiconducting types by disposing the swnts in a dilute fluid, exposing the swnts to a dipole-inducing magnetic field which induces magnetic dipoles in the swnts so that a strength of a dipole depends on a conductivity of the swnt containing the dipole, orienting the metallic swnts, and exposing the swnts to a magnetic field with a spatial gradient so that the oriented metallic swnts drift in the magnetic field gradient and thereby becomes spatially separated from the semiconducting swnts. An apparatus for the process of sorting swnts is disclosed..
|Method for constructing a dipole antenna|
A method of fabricating a microwave antenna assembly is disclosed. The fabrication method includes providing a proximal portion having an inner conductor and an outer conductor, the inner conductor extending at least partially therein.
|Dielectric waveguide with director elements|
A system includes an electronic device coupled to a mating end of a dielectric wave guide (dwg). The electronic device has a multilayer substrate that has an interface surface configured for interfacing to the mating end of the dwg.
|Integrated circuit with dipole antenna interface for dielectric waveguide|
An electronic device has a multilayer substrate that has an interface surface configured for interfacing to a dielectric waveguide. A conductive layer on the substrate is etched to form a dipole antenna disposed adjacent the interface surface to provide coupling to the dielectric waveguide.
|Nanodevices for generating power from molecules and batteryless sensing|
A nanoconverter or nanosensor is disclosed capable of directly generating electricity through physisorption interactions with molecules that are dipole containing organic species in a molecule interaction zone. High surface-to-volume ratio semiconductor nanowires or nanotubes (such as zno, silicon, carbon, etc.) are grown either aligned or randomly-aligned on a substrate.
|Integrated antenna system for a train control system|
An antenna includes a first radiating array coupled to the mast and a second radiating array coupled to the mast. Each of the first and second radiating arrays comprises a plurality of dipoles associated with a radiation frequency, each dipole coupled to the mast by a standoff.
|Method, system and apparatus for remote neural modulation brain stimulation and feedback control|
A method, system and apparatus is presented for a wireless neural modulation feedback control system as it relates to an implantable medical device comprised of a radio frequency (rf) receiver circuit, one or more dipole or patch antenna(s), one or more electrode leads connected to at least one dipole or patch antenna(s), and at least one microelectronic neural modulation circuit, and an external or internally implanted rf device to neurally modulate brain tissue in order to treat medical conditions that can be mediated by neuronal activation or inhibition, such as parkinson's, alzheimer's, epilepsy, other motor or mood based disorders, and/or pain. The implantable receiver captures energy radiated by the rf transmitter unit and converts this energy to an electrical waveform by the implanted neural modulation circuit to deliver energy that can be utilized by the attached electrode pads in order to activate targeted neurons in the brain..
|Method and apparatus for detecting a dipole position marker|
An apparatus, method and system for detecting a position within a body are provided. A dipole that is free to rotate or oscillate within a capsule is inserted at a target location within the body.
|Compact proton therapy system with energy selection onboard a rotatable gantry|
Systems and apparatuses for providing particle beams for radiation therapy with a compact design and suitable to a single treatment room. The radiation system comprises a stationary cyclotron coupled to a rotating gantry assembly through a beam line assembly.
|Near-field equivalent source representation for sar estimation|
Efficient techniques for estimating specific absorption rate (sar) for wireless devices. In an aspect, electric and/or magnetic field measurements are made over a two-dimensional (2d) surface in the proximity of a wireless device.
The invention generally relates to acoustic transducers. In certain aspects, the acoustic transducer includes a curved diaphragm and an actuator coupled to the curved diaphragm to cause movement of the curved diaphragm.
|Use of hydrocarbon nanorings for data storage|
Hydro-carbon nanorings may be used in storage. Sufficiently cooled, an externally hydrogen doped carbon nanoring may be used to create a radial dipole field to contain streams of electrons.
|Unitary antenna dipoles and related methods|
Unitary antenna dipole radiating elements are formed. Such elements include a base portion and a plurality of shaped arm portions unitarily formed on a side of the base portion.
|Subsurface antenna for radio frequency heating|
A subsurface antenna is designed for use below the surface of the earth. In some configurations the antenna is a dipole antenna, which can be used for radio frequency heating of an oil-bearing formation..
|Closely spaced antennas isolated through different modes|
Multi-antenna systems, including mobile devices having multiple antennas, are provided herein. A first antenna and a second antenna are operable at two or more of the same non-overlapping communication frequency bands.
|Electromagnetic vector sensors (emvs) apparatus method and system|
An electromagnetic vector sensor (emvs) system, having a plurality of emvs devices consisting of a plurality of loop antenna elements spatiatally orthogonally integrated with and electrically isolated from a plurality of dipole antenna elements, mounted on a rotatably adjustable platform having a true north orientation, including active circuitry residing in antenna housings, and external executing software programs causing the active circuitry in cooperation with the emvs device and receivers to determine angle of arrival and resolution of incoming wave vectors and polarization of incoming signals and to perform accurate high frequency geolocation signal processing; the programs which perform calibration and antenna element placement determination operations, also cause the system to collect data of known transmitted high frequency skywave signals, and estimate direction of arrival of unknown signals by detecting, resolving and measuring components of an electric field and a magnetic field at a single point.. .
|Rf antenna assembly with feed structure having dielectric tube and related methods|
An rf antenna assembly may be positioned within a wellbore in a subterranean formation for hydrocarbon resource recovery. The rf antenna assembly includes first and second tubular conductors and a feed structure therebetween defining a dipole antenna to be positioned within the wellbore, and an rf transmission line extending within one of the tubular conductors.
|Rf antenna assembly with series dipole antennas and coupling structure and related methods|
An rf antenna assembly is to be positioned within a wellbore in a subterranean formation for hydrocarbon resource recovery. The rf antenna assembly includes a series of tubular dipole antennas to be positioned within the wellbore, each tubular dipole antenna having a pair of dipole elements, and an rf transmission line extending within the series of tubular dipole antennas.
|Dipole triboelectric injector nozzle|
The present invention relates to a fuel injector configuration that treats a dielectric fluid such as gasoline fuel with strong electric and, optionally, magnetic fields to form a homogeneous charged fuel or fuel/air mixture for combustion in an internal combustion engine. The electric field is supplied by a triboelectric dipole and the magnetic field is supplied by permanent magnets.
|Oriented photocatalytic semiconductor surfaces|
The present disclosure relates to oriented photocatalytic semiconductor surfaces which may include photocatalytic capped colloidal nanocrystals (pccns) positioned all in the same orientation. The photoactive material may be employed in a plurality of photocatalytic energy conversion applications such as the photocatalytic reduction of carbon dioxide and water splitting, among others.
|Apparatus and method for directional resistivity measurement while drilling using slot antenna|
An apparatus for making directional resistivity measurements of a subterranean formation includes a resistivity tool with a longitudinal axis and an outer surface, multiple slots formed on the outer surface of the resistivity tool and oriented substantially parallel to the longitude axis of the resistivity tool, and multiple wires posited in the slots and electrically connecting end walls of the slots to form magnetic dipole antennas. The mantic dipole antennas form at least one transmitter-receiver antenna group to perform transmission and reception of electromagnetic signals.