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Polar patents

      

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




 Headset management by microphone terminal characteristic detection patent thumbnailnew patent Headset management by microphone terminal characteristic detection
A headset power management system provides robust and low-power operation by detecting various connection conditions by measuring a voltage at the microphone terminal with and without injection of current from the headset. A power management circuit controls an operating state of the headset using a microphone terminal voltage detector and can determine whether a short circuit is present indicating a connection to a device that does not have a microphone input, a negative polarity voltage is present indicating that the device may be determining a connection and type of the headset using the microphone terminal, a normal connection, or whether the headset is not connected to a device at all.
Cirrus Logic International Semiconductor Ltd.


 Polar code hybrid automatic repeat request method and apparatus, and wireless communications apparatus patent thumbnailnew patent Polar code hybrid automatic repeat request method and apparatus, and wireless communications apparatus
A method includes: selecting, from m polar codes of a same code length and code rate, a polar code corresponding to an actual code rate for a first transmission, and encoding an information bit sequence by using the polar code to obtain encoded bits; and performing rate matching on the encoded bits to generate to-be-sent bits. Different from a traditional harq using one polar code, in this embodiment, a polar code corresponding to the actual code rate for the first transmission is selected from the m polar codes during the initial transmission, so that a different polar code can be selected adaptively according to the actual code rate for the first transmission..
Huawei Technologies Co., Ltd.


 Clock recovery method and clock recovery arrangement for coherent polarization multiplex receivers patent thumbnailnew patent Clock recovery method and clock recovery arrangement for coherent polarization multiplex receivers
Component signal values are derived from component signals and fed to at least one fixed equalizer which generates equalizer output signals. The signals are fed to phase error detectors generating phase error signals.
Xieon Networks S.a.r.l.


 Use of coherent signal dispersion for signal source association patent thumbnailnew patent Use of coherent signal dispersion for signal source association
A signal source association method and receiver. A receiver can be used to detect a plurality of signals transmitted from a plurality of transmission sources.
University Of Notre Dame Du Lac


 Optical component patent thumbnailnew patent Optical component
Methods and apparatus for use in coherent transmission and reception of optical data signals. An integrated optics block (100) for use in a coherent optical transmitter comprising: a beam splitter (102) configured to split an input light signal into first and second input light signals, to output the first input light signal for use in an optical transmitter chip and to output the second input light signal for use as a local oscillator signal; a polarisation combiner (104) configured to combine first and second received modulated light signals to form an output; and a polarisation rotator (106) configured to rotate the polarisation of the second modulated light signal such that it is substantially orthogonal to the polarisation of the first modulated light signal prior to combining..
Oclaro Technology Limited


 Systems and methods using a polarimeter to localize state of polarization transients on optical fibers patent thumbnailnew patent Systems and methods using a polarimeter to localize state of polarization transients on optical fibers
Systems and methods using a polarimetric measurement device to localize a source of one or more state of polarization (sop) transients affecting one or more optical fibers are disclosed. The method includes transmitting a signal into a fiber in a first direction; receiving, at the polarimetric measurement device, the signal from one of the fiber and another fiber collocated in a bundle with the fiber in a second direction; and processing data from the polarimetric measurement device to determine a location of the one or more sop transients.
Ciena Corporation


 A  for dual layer beamforming patent thumbnailnew patent A for dual layer beamforming
A method and device for dual layer beamforming are disclosed to solve the problems of bad beam directivity and poor beamforming effect in current methods for beamforming wherein the method comprises: receiving sounding reference signal (srs) sent by the terminal wherein the broadband occupied when sending the srs is divided into a plurality of sub-bands by the terminal; determining the broadband beamforming vector corresponding to the broadband and the sub-band beamforming vector corresponding to each sub-band respectively according to the srs; determining two polarized-direction beamforming vectors corresponding to each sub-band respectively according to the broadband beamforming vector corresponding to the broadband or the sub-band beamforming vector corresponding to each sub-band; and directed to each sub-band, adopting the two polarized-direction beamforming vectors corresponding to the sub-band for dual layer beamforming. The method for dual layer beamforming of the present application has stronger beam directivity and better beamforming effect..
Datang Mobile Communications Equipment Co., Ltd.


 Massive mimo array emulation patent thumbnailnew patent Massive mimo array emulation
The disclosed technology relates to systems and methods for emulating a massive mimo beamforming antenna array of arbitrary size—a channel model between a transmitter and a receiver, with one or more signal paths having respective amplitudes, angles of arrival, angle spreads, and delays. The disclosed technology includes defining a complete channel model h, calculating the correlation matrix for the channel, grouping the base antenna elements of the antenna array by combinations of signal and polarization, and calculating observed beamforming power of each group of the base elements, by applying a cross-correlation matrix to determine observed power signals and delay of each signal at each remote antenna element of the user equipment.
Spirent Communications, Inc.


 Power amplification module patent thumbnailnew patent Power amplification module
A power amplification module includes: a first bipolar transistor in which a radio frequency signal is input to a base and an amplified signal is output from a collector; a second bipolar transistor that is thermally coupled with the first bipolar transistor and that imitates operation of the first bipolar transistor; a third bipolar transistor in which a first control voltage is supplied to a base and a first bias current is output from an emitter; a first resistor that generates a third control voltage corresponding to a collector current of the second bipolar transistor at a second terminal; and a fourth bipolar transistor in which a power supply voltage is supplied to a collector, the third control voltage is supplied to a base, and a second bias current is output from an emitter.. .
Murata Manufacturing Co., Ltd.


 Vibrating actuator patent thumbnailnew patent Vibrating actuator
A vibrating actuator is disclosed, comprising: a magnetic part including at least two magnets (1) arranged with same polarities facing each other; a receiving part including a hollow member (4) with a cavity (5) for receiving the magnetic part and at least one coil (2) wrapped around the hollow member (4) and fixed thereto; elastic elements (6) interconnecting the magnetic part and the hollow member (4); and a chassis (7). In one aspect, the magnetic part is fixed to the chassis (7) via attachment elements (8, 10) such that the magnetic part, the attachment elements (8, 10) and the chassis are stationary, and the receiving part performs a linear movement with changing direction causing the vibration when an alternating current passes through the coil(s) (2).
Rescued Ideas Gmbh


new patent

A forging a magnet wheel for a motor vehicle alternator, cold forging die, and magnet wheel obtained by means of this method

The method according to the invention involves a hot-forging step and a cold-forging step that occurs after the hot-forging step. A polar wheel (10, 11) incorporating a plurality of finite chamfers (102) formed on exterior parts of the polar teeth (10g, 11g) is produced during the hot-forging step.
Valeo Equipements Electriques Moteur

new patent

Dual polarized electronically steerable parasitic antenna radiator (espar)

An electronically steerable antenna with dual polarization is provided, as well as a method for steering such an antenna. An example antenna may include a driven patch element having dual polarity for radiating or receiving a first beam with a first polarization and radiating or receiving a second beam with a second polarization.
Huawei Technologies Co., Ltd.

new patent

Antenna structure

An antenna structure includes a central grounding line and a spiral antenna. The central grounding line is linear and has two end portions provided with a grounding point and a first open point, respectively.
Getac Technology Corporation

new patent

Self-supporting thin-film battery and manufacturing such a battery

A self-supporting thin-film battery is manufacture by forming on the upper surface of a support substrate a vertical active stack having as a lower layer a metal layer having formed therein a first contact terminal of a first polarity of the battery and having formed therein as an upper layer a metal layer having a second contact terminal of a second polarity of the battery. A support film is then bonded to an upper surface of the upper layer.
Stmicroelectronics (tours) Sas

new patent

Battery assembly with linear bus bar configuration

A battery assembly utilizing a compact and robust bus bar configuration is provided. The batteries within the assembly are divided into groups, where the batteries within each battery group are connected in parallel and the groups are connected in series.
Atieva, Inc.

new patent

Magnetic tunnel junctions

Some embodiments include a magnetic tunnel junction comprising magnetic reference material having an iridium-containing region between a multi-layer stack and a polarizer region. Some embodiments include a magnetic tunnel junction having a conductive first magnetic electrode which contains magnetic recording material, a conductive second magnetic electrode spaced from the first electrode and which contains magnetic reference material, and a non-magnetic insulator material between the first and second electrodes.
Micron Technology, Inc.

new patent

Method for producing solar cells having simultaneously etched-back doped regions

A method for producing a solar cell is described, in which a plurality of doped regions are to be etched-back selectively or over their entire surface. Once a semiconductor substrate (1) has been provided, various doped regions (3, 5) are formed in partial regions of a surface of the semiconductor substrate, the various doped regions (3, 5) differing as regards their doping concentration and/or their doping polarity.
UniversitÄt Konstanz

new patent

3c-sic igbt

We disclose herein a method of manufacturing a silicon carbide (sic) based insulated gate bipolar transistor (igbt), the igbt comprising: a monocrystalline silicon substrate; a collector region of a first conductivity type disposed over the silicon substrate, wherein the collector region comprises a material comprising 3-step cubic silicon carbide (3c-sic); a semiconductor drift region of a second conductivity type, opposite the first conductivity type, disposed on the collector region; a body region of the first conductivity type located within the semiconductor drift region; an emitter region of the second conductivity type located within the body region; a gate region placed above and in contact to the emitter region. The method comprising: providing the silicon substrate having a principal surface, wherein the silicon substrate is of the second conductivity type; doping the principal surface of the silicon substrate using an aluminium ion implant; and driving the aluminium ion implant into the silicon substrate to a predetermined depth under a predetermined temperature so that a heavily doped silicon region of the first conductivity type is formed near the principal surface within the silicon substrate..
Anvil Semiconductors Limited

new patent

Bipolar transistor with carbon alloyed contacts

A method for forming a bipolar junction transistor includes forming a collector intrinsic region, an emitter intrinsic region and an intrinsic base region between the collector intrinsic region and the emitter intrinsic region. A collector extrinsic contact region is formed in direct contact with the collector intrinsic region; an emitter extrinsic contact region is formed on the emitter intrinsic region and a base extrinsic contact region is formed in direct contact with the intrinsic base region.
International Business Machines Corporation

new patent

Electronic circuit

A semiconductor device includes a mosfet including a pn junction diode. A unipolar device is connected in parallel to the mosfet and has two terminals.
Rohm Co., Ltd.

new patent

Display panel, display apparatus having the same and driving the same

A display panel includes a gate line, first and second data lines, first and second gate control lines, and first and second pixels. The first pixel includes a double-gate switching element including a gate electrode connected to the gate line, a source electrode connected to the first data line, and another gate electrode connected to the first gate control line.
Samsung Display Co., Ltd.

new patent

Quarter wave light splitting

The present disclosure provides a method for producing an image on a substrate. The method includes providing a single beam of light to a multiple dmd assembly, splitting the single beam of light into an s-polarization beam and a p-polarization beam, and reflecting the s-polarization beam and the p-polarization beam through the multiple dmd assembly such that the multiple dmd assembly produces a plurality of superimposed images on the substrate..
Applied Materials, Inc.

new patent

Photoluminescent display device

A photoluminescent display device includes a backlight unit, an optical sheet provided on the backlight unit, and a display panel provided on the optical sheet where the display panel includes a first substrate, a first polarizing plate provided on the first substrate, and a color conversion layer provided on the first polarizing plate and including a photoexcitation member, the optical sheet includes a plurality of first optical parts and a plurality of second optical parts, each of the first optical parts has a first refractive index, and the second optical parts are provided alternately with the first optical parts in a plan view and each of the second optical parts has a second refractive index greater than the first refractive index.. .
Samsung Display Co., Ltd.

new patent

Liquid crystal panel, liquid crystal display device, polarizing plate, and polarizing plate protective film

One embodiment of the present invention relates to a liquid crystal panel including a liquid crystal panel member including a visible side polarizer, a liquid crystal cell, and a backlight side polarizer; and an optical conversion member including an optical conversion layer containing a quantum dot emitting fluorescent light which is excited by incident excitation light, in which the optical conversion member is integrally laminated on a backlight side surface of the liquid crystal panel member, a liquid crystal display device, a polarizing plate, and a polarizing plate protective film.. .
Fujifilm Corporation

new patent

Reflective polarizing film for liquid crystal display polarizer, polarizer for liquid crystal display comprising same, optical member for liquid crystal display, and liquid crystal display

A reflective polarizing film for a liquid crystal display polarizer that has a high polarization performance and eliminates a hue shift at an oblique azimuth of 45°, a polarizer for a liquid crystal display composed of the same, an optical member for a liquid crystal display, and a liquid crystal display are provided. In a reflective polarizing film for a liquid crystal display polarizer composed of a uniaxially stretched multi-layer laminate film in which a first layer and a second layer are alternately laminated, the reflective polarizing film has a polarization degree of 99.5% or more and an amplitude of a transmittance waveform of 2.0% or less in a wavelength range of 450 to 650 nm measured with respect to the polarized light incident at an incident angle of 60° on an incident plane including an azimuth angle of 45°, among polarized light components parallel to the transmission axis..
Teijin Limited

new patent

Substrates having polarizer and color filter functions, and methods for their preparations

A liquid crystal display glass substrate can include a plurality of red, green and blue polarizing regions configured to polarize red, green and blue light, respectively. A red, green or blue color pixel can be disposed on a respective polarizing region.
Empire Technology Development Llc

new patent

Liquid crystal display device

A display device may include a lighting unit, a transparent substrate, a liquid crystal layer, a polarizer, and a plurality of fillers. The liquid crystal layer may be positioned between the lighting unit and the transparent substrate.
Samsung Display Co. Ltd.

new patent

Achromatic phase modulator and optical device

An achromatic phase modulator (300) arranged to modulate the phase of linearly polarized light and to output the linearly polarized light having undergone phase modulation, comprising: means to establish a predefined light path; a linear input polarizer (301); at least two liquid crystal elements (1, 2) disposed in series downstream the linear input polarizer (301) on and orthogonally to the predefined light path, the liquid crystal elements (1, 2) being each constituted with a respective liquid crystal material and the refractive index wavelength dependence characteristics of the respective liquid crystal materials are different from each other; and a control unit (15) arranged to apply drive electric signals individually to the liquid crystal elements (1, 2) so as to achieve achromatic phase modulation for linearly polarized light exiting the linear input polarizer (301) and orthogonally passing through the liquid crystal elements (1, 2) along the predefined light path, wherein in each liquid crystal element (1, 2), the alignment direction of the liquid crystal molecules therein can be altered between a first alignment direction substantially parallel to the light path direction, and a second alignment direction substantially parallel to the polarization direction of the linearly polarized light, in the plane including the first alignment direction and the second alignment direction, in correspondence to the drive electric signals applied to the liquid crystal elements (1, 2), and the polarization direction of linearly polarized light entering the liquid crystal element (1) facing the linear input polarizer (301) coincides with the polarization direction of the linearly polarized light exiting the liquid crystal element (2) farthest from the linear input polarizer (301).. .
Nikon Corporation

new patent

Display apparatus and display system

A display apparatus includes: a display panel comprising a plurality of first sub-pixels for a first field of view and a plurality of second sub-pixels for a second field of view; and a first polarization filter having blank regions corresponding to the first sub-pixels or the second sub-pixels. The blank regions have no light polarization property..
Boe Technology Group Co., Ltd.

new patent

Short-distance optical amplification module and near-eye display optical module using the same

A short-distance optical amplification module and a near-eye display optical module using the same in the present invention relates to an optical amplification module applicable for short distance and an optical module using the same for near-eye display. The purpose of the present invention is to provide an optical amplification module for large-multiple amplification within a short distance (less than 5 cm) and a near-eye display optical module using the same to achieve super large field of view within a short distance (less than 3 cm).
Shenzhen Dlodlo Technologies Co., Ltd.

new patent

Short-distance optical amplification module and near-eye display optical module using the same

A short-distance optical amplification module and a near-eye display optical module using the same in the present invention relates to an optical amplification module applicable for short distance and an optical module using the same for near-eye display. The purpose of the present invention is to provide an optical amplification module for large-multiple amplification within a short distance (less than 5 cm) and a near-eye display optical module using the same to achieve super large field of view within a short distance (less than 3 cm).
Shenzhen Dlodlo Technologies Co., Ltd.

new patent

Lens driving device and camera module comprising same

A lens driving device according to an embodiment comprises: a movable unit on which at least one lens is mounted; a first coil and a driving magnet which face and interact with each other such that the movable unit is moved in the optical axis direction of the lens; a position sensor for sensing the position of the movable unit in the optical axis direction or a driver comprising the position sensor; and a positively magnetized magnet arranged to face the position sensor or the driver, wherein the positively magnetized magnet comprises a first side surface, which faces the position sensor and has a first polarity, and a second side surface, which faces the position sensor, which is arranged to be spaced from the first side surface in a direction parallel with the optical axis direction or arranged to abut the first side surface, and which has a second polarity that is the opposite of the first polarity of the first side surface, and the length of the first side surface in the optical axis direction may be equal to or larger than the length of the second side surface in the optical axis direction.. .
Lg Innotek Co., Ltd.

new patent

Optical transmitter assembly for vertical coupling

The invention relates to an optical transmitter assembly (ota) for vertical coupling of light into a chip, and to a method for manufacturing the ota. The ota includes a laser diode, a microlens and a turning mirror mounted at a top face of a supporting substrate within a sealed enclosure, and an optical component, such as an optical isolator, a polarizer, or a microlens disposed in a substrate cavity that opens to the back face of the substrate.
Lumentum Operations Llc

new patent

Planar optical waveguide device, dp-qpsk modulator, coherent receiver, and polarization diversity

A planar optical waveguide device includes: a substrate; a core that forms a first waveguide and a second waveguide that are arranged in parallel on the substrate; and a cladding that covers the core and has a refractive index smaller than that of the core. The core includes a first rib portion that forms the first waveguide, a second rib portion that forms the second waveguide, and a slab portion that is provided only on one side of the first rib portion and the second rib portion in a width direction to have a thickness smaller than the thicknesses of the first rib portion and the second rib portion and is shared between the first rib portion and the second rib portion..
Fujikura Ltd.

new patent

Grid polarizer and photo-alignment device

A stripe-shaped grid provided on a transparent substrate is made from dielectrics or semiconductors. For each linear segment of the grid, a gap (t) on one side of the linear segment, and an opposite gap (t) on an opposite side of the linear segment materially satisfy the relation t<t in a periodic fashion.
Ushio Denki Kabushiki Kaisha

new patent

Polarizing plate, image display device, and liquid crystal display device

T≧(2.8×p−1.2×q)+50  equation (a). .

new patent

An antenna system for polarization diversity

An antenna system (100) comprising a single antenna element having first (111) and second (112) antenna ports arranged to pass a respective first and second antenna signal. The first and second antenna signals being derived from a first common antenna signal (j1) and arranged to be essentially equal in envelope.
Saab Ab

new patent

System and magnetic characterization of induction heating wires

A system for magnetic characterization of an induction heating wire including a conductor having a first end and a second end longitudinally opposed from the first end, wherein the induction heating wire extends along a portion of the conductor and is electrically isolated from the conductor, an alternating current power source electrically coupled with the conductor to pass an electric current between the first end and the second end, a current sensor positioned to sense the electric current, a sensing wire including a first lead and an opposed second lead, wherein the sensing wire defines a first loop having a first polarity and a second loop having a second, opposite polarity, the second loop being connected to the first loop at a crossover, and wherein the induction heating wire extends through the first loop, and a voltage sensor positioned to sense a voltage across the first lead and the second lead.. .
The Boeing Company

new patent

A power detector

A power detector (100, 200, 300, 400) comprising a first (110) and a second (115) bipolar junction/fet transistor. The first transistor (110) is arranged as a common base/gate transistor with its base/gate being biased by a bias voltage (vb1) and the second transistor (115) is arranged as a common emitter/source transistor with its emitter/source being grounded.
Telefonaktiebolaget Lm Ericsson (publ)

new patent

Polarization enhanced interferometric imaging

An imaging system uses polarized light to illuminate the target and then uses a polarization filter to remove the light that is reflected from the target without modification. The target can include one or more anisotropic objects that scatter the light and alter the polarization state of the reflected light and causing it to be selectively transmitted to the imaging device which can record the transmitted light through the filter.
Trustees Of Boston University

new patent

Passive magnetic bearing elements and configurations utilizing alternative polarization and amperian current direction

A ferromagnetic shield in contact with a magnet bar at the opposite end from the working surfaces of the bar eliminates the field canceling effects that arise from the amperian currents at that end. The optimum polarization direction for such bars is one that is parallel to the azimuthal coordinate of the bar.
Lawrence Livermore National Security, Llc

new patent

Electrolysis stack device with adjustable operating capacity

A configuration for an electrolysis stack device with adjustable operating capacity, including a specially shaped polar panel, an electricity connector and a pressing connector. A connection part of the polar panel and a pressing connector ensure that the electrical current can flow smoothly from a power source, via the electricity connector, to the electrolysis stack and back to the power source.





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This listing is a sample listing of patent applications related to Polar 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 Polar with additional patents listed. Browse our RSS directory or Search for other possible listings.


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