|| List of recent Polar-related patents
| Electrical power system phase and ground protection using an adaptive quadrilateral characteristic|
A quadrilateral distance module may be used to detect faults in an electrical power system. A resistive coverage of the quadrilateral distance module may be defined by an adaptive resistance blinder.
| Electrosurgical device and methods of manufacture and use|
Embodiments of the disclosed technology relate to bipolar electrosurgical devices, as well as methods of manufacture and use of such devices. Embodiments of the device may include a set of opposing jaws comprising at least one bipolar electrode pair disposed thereon, the set of jaws configured to deliver radiofrequency energy to a target tissue.
| Electrosurgical generator and system|
An electrosurgical generator includes an electrosurgical energy output configured to deliver electrosurgical energy to a bipolar end effector assembly in a conductive fluid environment for treating tissue. A controller having a processor is configured to control a waveform of the electrosurgical energy such that the waveform oscillates between a cut phase for initiating and sustaining tissue cutting, wherein the waveform includes a cut energy greater than the energy needed to create and sustain arcing, and a hemostasis phase, for desiccating/coagulating tissue, wherein the waveform includes a hemostasis energy less than the energy needed to sustain arcing..
| Multiconductor or multipolar guidewire|
This invention is a multipolar or multi-conductor guidewire which can be navigated or steered through the vasculature from outside a patient's body to perform a medical procedure within the patient's vasculature. In one embodiment, a guidewire of this invention has at least 4, preferably at least 6, to as many as 10 or more distal-to-proximal conductive pathways, which are substantially longitudinally parallel to each other running linearly along substantially the majority if not the entire length of the guidewire body, preferably in a printed circuit format.
| Method and apparatus for the treatment of headache|
A battery-operated transcutaneous electrical nerve stimulator (tens) to treat headache pain in an abortive and/or preventive manner. The tens unit and its electrodes are built into a unitary device which facilitates a self-administered treatment.
| Apparatus and method for the detection and treatment of atrial fibrillation|
Embodiments of the invention provide methods for the detection and treatment of atrial fibrillation (af) and related conditions. One embodiment provides a method comprising measuring electrical activity of the heart using electrodes arranged on the heart surface to define an area for detecting aberrant electrical activity (aea) and then using the measured electrical activity (mea) to detect foci of aea causing af.
| Methods for simultaneous cardiac substrate mapping using spatial correlation maps between neighboring unipolar electrograms|
A base cardiac electrogram signal at a base electrode is recorded for a predetermined amount of time. A plurality of cardiac electrogram signals at a plurality of electrodes other than the base electrode are recorded for the predetermined amount of time.
| Method for single-fiber microscopy using intensity-pattern sampling and optimization-based reconstruction|
A method for imaging an object with resolution that exceeds the number of spatial modes per polarization in a multimode fiber is disclosed. In some embodiments, the object is interrogated with a plurality of non-spot-sized intensity patterns and the optical power reflected by the object is detected for each intensity pattern.
| Intermediate for manufacture of polymerizable compound and process for manufacture thereof|
The present invention pertains to a compound represented by a formula (i) and a method for producing thereof (in the formula, ax is an organic group having 2 to 30 carbon atoms that includes at least one aromatic ring selected from a group consisting of an aromatic hydrocarbon ring and an aromatic hetero ring, ay is a hydrogen atom, an alkyl group having 1 to 18 carbon atoms, a cycloalkyl group, an alkenyl group having 2 to 18 carbon atoms, an organic group having 2 to 30 carbon atoms that includes at least one aromatic ring selected from a group consisting of an aromatic hydrocarbon ring and an aromatic hetero ring, or the like. Ax and ay optionally bond to each other to form a ring, and q is a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, or the like.).
| Chemical transformation of lignocellulosic biomass into fuels and chemicals|
A method for converting a carbohydrate to a furan in a polar aprotic solvent in the presence of a chloride, bromide, or iodide salt or a mixture thereof and optionally in the presence of an acid catalyst, a metal halide catalyst and/or an ionic liquid (up to 40 wt %). The method can be employed in particular to produce furfural or 5-hydroxymethylfurfural..
| Highly functional graft copolymer and method for preparing the same|
This invention relates to a highly functional graft copolymer and a method of preparing the same, and more particularly, to a highly functional graft copolymer including a main chain of a highly elastic ethylene-based terpolymer including, at a predetermined molar ratio, an ethylene unit, an α-olefin unit having 6 to 12 carbon atoms, and at least one functional unit selected from the group consisting of divinylbenzene and p-methylstyrene, and a side chain of a polar polymer for imparting functionality, and to a method of preparing the highly functional graft copolymer by performing anionic polymerization after catalytic polymerization using a metallocene catalyst.. .
| Oil-in-water-type emulsion cosmetic|
Wherein the blending quantity of nonpolar oil is 30% or lower of the total amount of component (c).. .
| Methods for treating neural cell swelling|
A composition comprising a novel ca2+-activated, [atp]i-sensitive nonspecific cation (ncca-atp) channel is described. The channel is found in mammalian neural cells and exhibits a different sensitivity to block by various adenine nucleotides, and is activated by submicromolar [ca]i.
| Display device, and game console including same|
A display device includes: a first liquid crystal display device; a second liquid crystal display device which is disposed behind the first liquid crystal display device to be overlapped in a forward/rearward direction; and a light diffusion plate which is disposed between the first and second liquid crystal display devices. The first liquid crystal display device includes: a liquid crystal panel; a color filter plate which is disposed in front of the liquid crystal panel, a predetermined region of the color filter plate being removed; a polarizer plate which is disposed at a front and/or a rear of the liquid crystal panel; and a light source which is disposed behind the liquid crystal panel.
| Methods for wafer bonding and for nucleating bonding nanophases using wet and steam pressurization|
Substrates may be bonded according to a method comprising contacting a first bonding surface of a first substrate with a second bonding surface of a second substrate to form an assembly in the presence of an steam atmosphere under suitable conditions to form a bonding layer between the first and second surfaces, wherein the first bonding surface comprises a polarized surface layer; the second bonding surface comprises a hydrophilic surface layer; the first and second bonding surfaces are different.. .
| Bipolar multistate nonvolatile memory|
Embodiments generally include a method of forming a nonvolatile memory device that contains a resistive switching memory element that has an improved device switching capacity by using multiple layers of variable resistance layers. In one embodiment, the resistive switching element comprises at least three layers of variable resistance materials to increase the number of logic states.
| High voltage resistor with pin diode isolation|
Provided is a high voltage semiconductor device that includes a pin diode structure formed in a substrate. The pin diode includes an intrinsic region located between a first doped well and a second doped well.
| Metallic bipolar plate for a proton-exchange membrance fuel cell|
A metallic plate for a proton-exchange membrane fuel cell (pemfc) having, on at least one of its surfaces, a coating including: conductive material fillers; a polymer used as a binder; and a metal cation absorbing compound.. .
| Nickel iron battery employing an untreated polyolefin separator with a surfactant in the electrolyte|
Provided is a nickel-iron battery. The battery comprises a positive nickel electrode, an iron negative electrode, an electrolyte comprising a surfactant, and a non-polar separator.
| Polar solvent based device for storage and thermal capture of electrical energy|
A novel electrical energy storage system that includes one or more cells. Each cell includes a polar liquid, a negatively-charged-surface electrode, and a positively-charged surface electrode.
| Electrode assembly including electrode units having the same width and different lengths, and battery cell and device including the electrode assembly|
There are provided an electrode assembly, a battery cell including the electrode assembly, and a device including the electrode assembly. The electrode assembly includes a combination of two or more electrode units having the same width and different lengths, wherein the electrode units are stacked so that a stepped portion is formed between the electrode units, and electrodes having different polarities face each other at an interface between the electrode units..
| Insulating adhesive film, prepreg, laminate, cured article, and composite article|
An insulating adhesive by having a plateable layer which is comprised of a plateable layer-use resin composition which contains a polar group-containing alicyclic olefin polymer (a1) and a curing agent (a2) and an adhesive layer which is comprised of an adhesive layer-use resin composition which contains a polar group-containing alicyclic olefin polymer (b1), a curing agent (b2), and an inorganic filler (b3), wherein a ratio of content of the polar group-containing alicyclic olefin polymer (a1) to the solid content as a whole which is contained in the plateable layer is 50 to 90 wt %, and a ratio of content of the polar group-containing alicyclic olefin polymer (b1) to the solid content as a whole which is contained in the adhesive layer is 1 to 30 wt % and a ratio of content of the inorganic filler (b3) is 50 to 90 wt % is provided.. .
| Magnetic graphic wall system|
The practical application of incorporating magnetic receptive printing media coupled with the use of an underlying specifically referenced magnet allows the multi layering of magnetic media while maintaining the reference of position on the surface. This is achieved by aligning the polarity lines to the benefit of the intended design while fabricating the first layer to receive the second or subsequent layers to interact with the intended design..
| Topical dermal delivery compositions using self assembling nanoparticles with cetylated components|
The invention, a transdermal delivery method, relates to penetration-enhancing pharmaceutical compositions comprising a novel, stable mixture of cetylated esters, cetyl or stearyl alcohols, polar solvents and surfactants, which, under appropriate conditions, combine into amphiphilic nanoparticles within a stabilized liquid dispersion for use in delivery of medicinal agents through the skin. The term cetosomes is used to describe these particles in order to differentiate them from other nanoparticles, such as niosomes, cerasomes, polymeric micelles, dendrimers, liposomes, lipoids, solid lipid nanoparticles and other particles.
| Emulsions containing polylysine and polar modified polymer|
The present invention generally relates to emulsions including a water-in-oil emulsion containing an oil-soluble polar modified polymer and polylysine.. .
| Foam formulations|
The present invention provides foamable pharmaceutical compositions comprising water-soluble antibiotics and anti-inflammatory steroids and methods of preparing same. Particularly, the present invention relates to oil-free pharmaceutical compositions comprising a quinolone, an anti-inflammatory steroid, a polar co-solvent, and propellant gas, administered to the ear in the form of foam for treating ear disorders..
| Recovering data from quadrature phase shift keying modulated optical signals|
Systems, devices and techniques for processing received qpsk modulated optical signals include sampling the received signal at twice the baud rate, thereby producing samples that are then processed as 9-qam symbols using a decision directed least squares optimization method. Data bits are then recovered from the resulting symbol estimates.
| Method for generating an optimized return-to-zero pulse shape against aggressive optical filtering and an optical transmitter implementing the method|
An optical transmitter comprises: first and second sets of optical in-phase and quadrature modulators; an integrable tunable laser assembly; a first polarization beam splitter that is configured to divide the continuous-waveform optical signal into a x-polarized tributary and a y-polarized tributary, each of the x-polarized tributary and the y-polarized tributary is modulated by one of the first and second sets of optical in-phase and quadrature modulators in accordance with the two respective input signals; a second polarization beam splitter that is configured to combine the modulated x-polarized tributary and the modulated y-polarized tributary into one optical signal; and an optical modulator that is configured to modulate the combined optical signal using a driving voltage, wherein the driving voltage has a bias point that is reduced by a predefined offset from a predefined reference voltage level.. .
| Optical communication based on polarization dependent coherent optical nyquist frequency division multiplexing|
An optical transmitter transmits a dual polarization optical nyquist frequency domain multiplexed signal. The signal includes a first polarization component and a second polarization component.
| Method for adding nodes to a quantum key distribution system|
An improved quantum key distribution (qkd) system and method are provided. The system and method introduce new clients at intermediate points along a quantum channel, where any two clients can establish a secret key without the need for a secret meeting between the clients.
| Bipolar spin-transfer switching|
A magnetic device includes a magnetized polarizing layer, a free magnetic layer, and a reference layer. The free magnetic layer forms a first electrode and is separated from the magnetized polarizing layer by a first non-magnetic metal layer.
| Graphene ferroelectric device and opto-electronic control of graphene ferroelectric memory device|
In accordance with an embodiment of the invention, there is provided a graphene ferroelectric device. The device comprises a graphene transistor channel and a ferroelectric gate of the graphene transistor channel, the ferroelectric gate comprising a linear polarization at a first applied gate voltage less than a threshold voltage, and a hysteretic polarization at a second applied gate voltage greater than the threshold voltage.
| Ferroelectric memory device and method for manufacturing same|
The present application relates to a ferroelectric memory device having a multilevel polarization (mlp) state generated due to adjustment of a displacement current and to a method for manufacturing the ferroelectric memory device.. .
| Voltage conversion and charging from low bipolar input voltage|
A circuit includes a transformer configured with a primary winding and a secondary winding that are driven from a voltage supplied by a thermoelectric generator (teg). The circuit includes a bipolar startup stage (bss) coupled to the transformer to generate an intermediate voltage.
| Electric circuit device, electric circuit module, and power converter|
The present invention provides an electric circuit device in which it is possible to achieve simultaneously the improvement of cooling performance and reduction in operating loss due to line inductance. The above object can be attained by constructing multiple plate-like conductors so that each of these conductors electrically connected to multiple semiconductor chips is also thermally connected to both chip surfaces of each such semiconductor chip to release heat from the chip surfaces of each semiconductor chip, and so that among the above conductors, a dc positive-polarity plate-like conductor and a dc negative-polarity plate-like conductor are opposed to each other at the respective conductor surfaces..
| Pulsed laser sources|
Modelocked fiber laser resonators may be coupled with optical amplifiers. An isolator optionally may separate the resonator from the amplifier.
| Method and apparatus for angular-resolved spectroscopic lithography characterization|
An apparatus and method to determine a property of a substrate by measuring, in the pupil plane of a high numerical aperture lens, an angle-resolved spectrum as a result of radiation being reflected off the substrate. The property may be angle and wavelength dependent and may include the intensity of tm- and te-polarized radiation and their relative phase difference..
| Optical fiber mechanical bend stress test system with optical time-domain reflectometer|
Methods and devices provide for storing historical data that includes interference values mapped to at least one of bend radii values, lifetime values, or failure rate values of optical fibers; transmitting an optical signal, via a test system, toward the optical fiber under test; setting a polarization state of the optical signal before the optical signal propagates through the optical fiber under test; setting a polarization state of a reflected optical signal that has propagated through the optical fiber under test in a manner that causes a minimum interference or a maximum interference; measuring instances of power of the reflected optical signal; and outputting a result that includes at least one of a bend radius value, a lifetime value, or a failure rate that applies to the optical fiber under test based on the measured instances of power and the historical data.. .
| Illumination optical system, exposure apparatus, device production method, and light polarization unit|
An illumination optical system which illuminates an illumination objective surface with a light from a light source. The illumination optical system includes a spatial light modulator which includes a plurality of optical elements arranged within a predetermined plane and controlled individually, and which forms a light intensity distribution in an illumination pupil of the illumination optical system; and a polarization unit which is arranged in a position optically conjugate with the predetermined plane, and which polarizes an incident light beam having a first and second partial light beams, coming into the polarization unit such that the first and second partial light beams have polarization states different from each other, and emits the polarized incident light beam as an outgoing light beam, wherein the polarization unit changes, in a cross section of the outgoing light beam, a ratio between a cross sectional areas of the first and second partial light beams..
| Polarized mirrored glasses lens|
Provided is a spherical or aspherical polarized mirrored glasses lens that substantially prevents the appearance of reflections caused by reflection from the mirrored surface, has a high transmittance, and with the use of a colored absorption-polarization film layer, allows arbitrary selection of the color of the field of view of the sunglasses user and the color of the lens as seen by others. A polarized mirrored glasses lens is fabricated, said lens being characterized by having, in order from the light-incidence side, at least a reflection-polarization film layer and an absorption-polarization film layer, and further characterized in that: the transmission axes of said layers are aligned; and the light-incidence side is a convex spherical or aspherical surface..
| Liquid crystal display device|
According to one embodiment, a liquid crystal display device includes a first substrate including a transmissive pixel electrode disposed in a transmissive display area, and a reflective pixel electrode with a planar plate shape which is disposed in a reflective display area, a second substrate including a common electrode, a liquid crystal layer being configured to have a less thickness in the reflective display area than in the transmissive display area, to impart a phase difference of ¼ wavelength to light passing at an off time in the reflective display area, and to impart no phase difference to light passing at an on time in the reflective display area, and a retardation plate disposed between a second polarizer and the second substrate in the reflective display area.. .
| Field-of-view compensated polarization switch for short-throw 3d projection|
Generally, this disclosure concerns the angle sensitivity of polarization switch elements and the resulting impact of the ray direction on performance. More specifically, apparatus and techniques for compensating the angular sensitivity of liquid crystal (lc) polarization switches are described that enhance the performance of polarization switches.
| Inspection method and inspection apparatus|
An inspection method and apparatus comprising, a step of reflecting linearly-polarized light having a predetermined wavelength using an non-polarizing beam splitter after transmitting the linearly-polarized light through a half-wave plate, irradiating a sample with the linearly-polarized light having a polarization plane of a predetermined angle, causing the light reflected by the sample to be incident to an image capturing sensor through a lens, the non-polarizing beam splitter, and an analyzer, and acquiring an optical image of a pattern formed on the sample; acquiring a plurality of optical images by changing an angle of the analyzer or the half-wave plate, and obtaining an angle of the analyzer or the half-wave plate such that a value of (σ/√a) becomes a minimum; and a step of inspecting whether a defect of the pattern exists, wherein the pattern is a repetitive pattern having a period at a resolution limit or less.. .
| Liquid-ejecting head and liquid-ejecting apparatus|
A liquid-ejecting head includes a pressure-generating chamber communicating with a nozzle opening and includes a piezoelectric element including a piezoelectric layer and electrodes. The piezoelectric layer contains bismuth sodium potassium titanate and satisfies the inequality 0≦pr/pm≦0.25 at 25° c., where pm and pr are the saturation polarization and remanent polarization, respectively, of the piezoelectric layer..
| Display apparatus incorporating reflective and absorptive polarizers|
This disclosure provides systems, methods and apparatus for reducing ambient light reflections from a surface of a display device in a power efficient manner. The display device includes a reflecting circular polarizer (rcp) and an absorbing circular polarizer (acp) having the same polarity.
| Display device|
A display device includes a display panel including gate lines which extends in a first direction, data lines which extends in a second direction, and sub-pixels connected to corresponding gate and data lines, a gate driver configured to drive the gate lines, a data driver configured to apply a gray-scale voltage to the data lines, and a timing controller configured to generate and apply control signals to the gate and data drivers, where a unit pixel of the display panel is defined by an even number of adjacent sub-pixels among the sub-pixels, each of the data lines is connected to corresponding sub-pixels of the sub-pixels, the data driver inverts a polarity of the gray-scale voltage every two data lines, and two adjacent sub-pixels in the unit pixel are applied with the gray-scale voltages having different polarities.. .
| Broadband circularly polarized bent-dipole based antennas|
Technologies are presented for providing circularly polarized antenna topologies based on multiple bent-dipole elements over a ground plane configuration. In some examples, moxon based cross radiating elements may be fed through a hybrid 90° quadrature coupler.
| Electronic timepiece with internal antenna|
An electronic timepiece has a tubular outside case of which at least part is a conductive material, a transparent crystal, a dial housed in the outside case, an annular antenna body disposed around the dial, a feed part that feeds the antenna body, and a dial ring made of a non-conductive material covering the antenna body. The antenna body includes an annular dielectric base, and an arc-shaped fed element feed by the feed part, an annular parasitic element disposed between the dial ring and crystal, and receives circularly polarized waves..
| Electromagnetic relay|
An electromagnetic relay includes a contact that includes a fixed contact and a movable contact, a permanent magnet provided on the peripheral side of the contact, and a non-magnetic body. The movable contact is displaceable in a first direction to move toward the fixed contact and in a second direction to move away from the fixed contact.
| Polar-type low pass filter and demultiplexer equipped therewith|
A polar-type low pass filter includes a low pass filter portion and first, second and third ground conductors, in a laminated body. The low pass filter portion includes parallel resonant circuits including first, second, third and fourth capacitors and inductors, in a series arm, and at least capacitors in a parallel arm thereof.
| Power amplifier using differential structure|
Provided is a power amplifier which includes: a first transistor and a second transistor each having a first end connected to a first power source supplying a first voltage and to which signals having a same size but opposite polarities are input; a third transistor and a fourth transistor having first ends respectively connected to the first ends of the first transistor and the second transistor; and a fifth transistor having a first end connected to second ends of the third and fourth transistors and controlling oscillation of the third or fourth transistor.. .
| Three terminal semiconductor device with variable capacitance|
Methods and apparatus for implementing variable, e.g., tunable, 3 terminal capacitance devices are described. In various embodiments vertical control pillars spaced apart from one another extend in a well having an opposite polarity than the polarity of the control pillars.
| Object discrimination method using ultra-low magnetic field nuclear magnetic resonance and an object discrimination apparatus of the same|
Provided are an object discrimination method and an object discrimination apparatus using an ultra-low magnetic field nuclear magnetic resonance (nmr). The method includes measuring the respective spin-lattice relaxation times at a plurality of strengths of prepolarization magnetic fields with respect to a measurement target and classifying the measurement target using the spin-lattice relaxation times..
| Piezo sensor|
A piezo sensor having an inner conductor having an inner conductor segment, where the inner conductor segment forms a tubular sidewall having a break, and also having an interior surface and an exterior surface; a plurality of individually polarized piezoelectric members, each having an inner face and an outer face, and each inner face contacting the first conductor exterior surface, each piezoelectric member being adjacent to another on the exterior face of the inner conductor, forming sets of adjacent faces; an outer conductor having an outer conductor segment forming a tubular sidewall having a break, the outer conductor having an interior surface and an exterior surface, where the interior surface contacts the outer face of the piezoelectric members; and where the break of the outer conductor segment is alignable with adjacent faces of two of the plurality of piezoelectric members, and further being alignable with the break of the inner conductor segment.. .
| Led device with voltage-limiting unit and voltage-equalizing and current limiting resistances|
The present invention provides a led device with voltage-limiting unit and voltage-equalizing and current-limiting resistances, in which a led is connected in parallel with a voltage-limiting unit, and a current-limiting resistance is connected in series between the led and the voltage-limiting unit, and two ends of each led are connected in parallel with an voltage-equalizing resistance for forming a light-emitting unit, so that a light-emitting unit set can be structured through connecting two or more than two of the mentioned light-emitting units in series or in series-parallel in the same polarity; with the two ends of each led being connected in parallel with the voltage-equalizing resistance, the end voltage of each light-emitting unit can be evenly stabilized; and the current-limiting resistance is connected in series between the connection joints of the led and the voltage-limiting unit for limiting the shunt current passing through the voltage-limiting unit.. .
| Rotor of interior permanent magnet motor, compressor, and refrigerating air-conditioning apparatus|
A rotor of an interior permanent magnet motor includes a rotor core; permanent magnet insertion holes formed in an outer circumferential portion of the rotor core along a circumferential direction; a permanent-magnet end-portion air gap formed in each of both end portions of each permanent magnet insertion hole; a permanent magnet inserted in each permanent magnet insertion hole; and slits formed in an outer circumferential core portion on an outer side in a radial direction with respect to each permanent magnet insertion hole, wherein a width of a core present between the permanent-magnet end-portion air gap and the slit and a width of a core present between the slits are such that a width of a core gradually increases as the core is closer to a magnet pole center from the interpolar line.. .