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This page is updated frequently with new Tuna-related patent applications. Subscribe to the Tuna RSS feed to automatically get the update: related Tuna RSS feeds. RSS updates for this page: Tuna RSS RSS


Millimeter wave phase shifters using tunable transmission lines

Millimeter wave phase shifters using tunable transmission lines

Advanced functional biocompatible polymer putty used as a hemostatic agent for treating damaged tissue and cells

Geometric coding for billion-scale partial-duplicate image search

Date/App# patent app List of recent Tuna-related patents
10/23/14
20140315501
 Systems, transceivers, receivers, and methods including cancellation circuits having multiport transformers patent thumbnailSystems, transceivers, receivers, and methods including cancellation circuits having multiport transformers
Example apparatuses and methods for cancellation of transmitter self interference leakage in a transceiver are described. An example transceiver includes a multiport transformer that may be used as a part of the impedance matching network on the receiver side of the transceiver.
10/23/14
20140315500
 Millimeter wave phase shifters using tunable transmission lines patent thumbnailMillimeter wave phase shifters using tunable transmission lines
Tunable phase shifters and methods for using the same include a signal line; one or more grounding lines; one or more crossing lines below the signal line in proximity to the signal line and substantially perpendicular to a longitudinal direction of the signal line, where the crossing lines conform to the shape of the signal line along at least three surfaces of the signal line and where the crossing lines have a tunable capacitance; and an inductance return line below the crossing lines substantially parallel to the longitudinal direction of the signal line, where the inductance return line provides a tunable inductance.. .
10/23/14
20140314706
 Advanced functional biocompatible polymer putty used as a hemostatic agent for treating damaged tissue and cells patent thumbnailAdvanced functional biocompatible polymer putty used as a hemostatic agent for treating damaged tissue and cells
A hemostatic putty for treatment of a variety of wounds topographies, including but not limited to highly three dimensional wounds, for example gunshot wounds and impalements, is disclosed. The putty is comprised of a matrix polymer weakly crosslinked or not crosslinked such that a viscoelastic matrix is formed.
10/23/14
20140314324
 Geometric coding for billion-scale partial-duplicate image search patent thumbnailGeometric coding for billion-scale partial-duplicate image search
Most of large-scale image retrieval systems are based on bag-of-visual-words model. However, traditional bag-of-visual-words model does not well capture the geometric context among local features in images, which plays an important role in image retrieval.
10/23/14
20140314108
 Wavelength tunable comb source patent thumbnailWavelength tunable comb source
The present application provides an optical comb source in which the comb is produced by seeding a gain switched fabry-pérot laser with light from a single mode laser, whilst at the same time driving the fabry-pérot laser with a dc bias and rf signal.. .
10/23/14
20140314107
 External cavity wideband tunable laser with dual laser gain media coupled by a polarization beam combiner patent thumbnailExternal cavity wideband tunable laser with dual laser gain media coupled by a polarization beam combiner
The invention relates to an external cavity wideband tunable laser with dual laser gain media coupled by a polarization beam combiner. The laser comprises a first laser gain medium, a first laser cavity end mirror arranged on the first laser gain medium, a first intracavity collimating lens, an active optical phase modulator, a tunable acousto-optic filter, an intracavity reflection mirror, an etalon and a total reflection mirror which are arranged on the opposite side of the tunable acousto-optic filter from the intracavity reflection mirror inside a laser cavity.
10/23/14
20140313947
 Wireless communication unit, radio frequency module and method therefor patent thumbnailWireless communication unit, radio frequency module and method therefor
A wireless communication unit includes at least one antenna port; a transmitter and a receiver operably coupled to the at least one antenna port via a duplexer; wherein the duplexer includes a dynamically reconfigurable phase shift network that includes: at least one tunable radio frequency (rf) component; and at least one switch operably coupled to the tunable rf component and controllable to reconfigure the dynamically reconfigurable phase shift network to selectively support both normal and reverse duplexer modes of operation for rf signals passing there through.. .
10/23/14
20140313570
 Tunable optical frequency converter based on an amplitude modulator patent thumbnailTunable optical frequency converter based on an amplitude modulator
The present invention provides a tunable optical frequency converter based on an amplitude modulator, which comprises a laser, a first optical isolator, a circulating frequency conversion module. Said circulating frequency conversion module is composed of an optical coupler, an amplitude modulator, an optical amplifier, a second optical isolator, a first optical circulator, an optical fiber bragg grating, a second optical circulator, a tunable filter and a tunable attenuator.
10/23/14
20140313559
 Optomechanical oscillator network, control and synchronization methods, and applications patent thumbnailOptomechanical oscillator network, control and synchronization methods, and applications
A synchronizable optomechanical oscillator (omo) network including at least two dissimilar silicon nitride (si3n4) optomechanical resonators that can be excited to evolve into self-sustaining optomechanical oscillators (omos) coupled only through an optical radiation field. The tunability of the optical coupling between the oscillators enables one to externally control the dynamics and switch between coupled and individual oscillation states..
10/23/14
20140313469
 Reconfigurable 1xn few-mode fiber optical switch based on a spatial light modulator patent thumbnailReconfigurable 1xn few-mode fiber optical switch based on a spatial light modulator
An optical switch includes an array of parallel few-mode fibers stacked vertically; beam stretchers that modifies an aspect ratio between a height and a width of beams associated with each few-mode fiber; a spatial light modulator with a 2d array of independently programmed tunable pixels, wherein the spatial light modulator manipulates phase and/or amplitude at each position of an incident optical beam; a wavelength demultiplexer which can separate the spectral components of an incident beam in angle; and lenses for imaging the modes of the input array of fiber to the spatial light modulator.. .
10/23/14
20140313087
Tunable multiband antenna with passive and active circuitry
An electronic device may have an antenna for providing coverage in wireless communications bands of interest such as a low frequency communications band and a high frequency communications band. The antenna may have an antenna ground and an antenna resonating element.
10/23/14
20140313084
Tunable antenna and wireless communication device employing same
A tunable antenna including a dielectric substrate, a main antenna, and a resonating antenna is disclosed. The dielectric substrate is made of dielectric constant-tunable material.
10/23/14
20140312986
Tunable interconnect structures, and integrated circuit containing the same
Tunable interconnect structures, integrated circuits containing the tunable interconnect structures and methods of manufacturing the same are disclosed. The interconnect transmission line structure includes a signal conductor and a plurality of conductors in proximity to the signal conductor.
10/23/14
20140312876
Low power tunable reference voltage generator
A method and apparatus for generating an improved reference voltage for use, for example, in a system requiring accurate low power operation. In particular, our reference voltage generator is adapted to output vref as a function of the voltage difference between v1 and v2.
10/23/14
20140312206
Proximity sensor systems and methods of operating same
Techniques for using photo detectors as tunable proximity sensors for detection of target objects and ascertaining their distance from the proximity sensors are disclosed. In one embodiment, the techniques may be realized as a proximity sensor system including a photo detector having a first doped region, a gate, a second doped region and a light absorbing region, a control circuitry for generating a plurality of control signals to be applied to the photo detector, and a signal detector to detect an output signal from the photo detector..
10/23/14
20140310959
Frequency-tunable bracketless fluid manifold
A method of assembling a fluid manifold includes: providing an array of spaced-apart manifold fittings, each manifold fitting having: a generally tubular neck; a pair of spaced-apart generally tubular arms extending away from a first end of the neck; and a coupling connected to a second end of the neck; and placing each manifold fitting in a predetermined angular orientation; and providing a plurality of curved tubes, and coupling one end of each tube to one arm of each of two adjacent ones of the manifold fittings, such that the assembled manifold has a predetermined first natural frequency.. .
10/16/14
20140308213
Color tunable multifunctional nanophosphor, synthesis method thereof, and polymer composite including the nanophosphor
A nanophosphor in accordance with one exemplary embodiment of the present disclosure includes a fluoride-based nanoparticle co-doped with ce3+ and one selected from a group consisting of tb3+, eu3+ and a combination thereof. The nanophosphor may be excited by a single wavelength of ultraviolet rays to emit various colors of green, yellow, orange, red and the like, and exhibit high photostability without photoblinking.
10/16/14
20140307836
Tunable filter for lte bands
A tunable filter reduces the total number of filters used in tdd (time-division duplex) communication circuitry. The communication circuitry may include a tunable filter and a first switch associated with the tunable filter.
10/16/14
20140307592
Split band filtering with two saw filters and single tunable filter
The disclosure includes communication circuitry with a tunable filter configured to tunably filter in a split band. In a first embodiment, communication circuitry includes a tunable filter and a first additional filter.
10/16/14
20140306859
Active antenna adapted for impedance matching and band switching using a shared component
An active antenna and associated circuit topology is adapted to provide active impedance matching and band switching of the antenna using a shared tunable component. Using a shared tunable component, such as a tunable capacitor or other tunable component, the antenna provides a low cost and effective active antenna solution.
10/16/14
20140306855
Tunable multiband antenna
A tunable multiband antenna includes a first radiation conductor spaced apart from a grounding conductor, a second radiation conductor spaced apart from the grounding conductor and connected to the first radiation conductor, a first tuning unit electrically connected between a signal source and the first radiation conductor and operable to provide different impedances and a second tuning unit electrically connected between the grounding conductor and the second radiation conductor and operable to provide different impedances.. .
10/16/14
20140306620
Tunable led lamp for producing biologically-adjusted light and associated methods
An led lamp comprising a housing, a drive circuit, led dies driven by the drive circuit, and an output-select controller to program the drive circuit to drive the led dies in one of a pre-sleep configuration and a general lighting configuration. The led dies comprise led dies of a first spectral output having a peak wavelength between 500 nm and 600 nm and of a second spectral output having a peak wavelength greater than 600 nm, first blue led dies having a peak wavelength between 420 nm and 480 nm, and second blue led dies having a peak wavelength below 420 nm.
10/16/14
20140306545
Inductively coupled power transfer receiver
An inductively coupled power transfer receiver including a tunable circuit and a power supply circuit. The tunable circuit includes a power receiving coil in series with a first capacitance and a first variable impedance connected in parallel with the power receiving coil.
10/16/14
20140306326
Tunable semiconductor component provided with a current barrier
Semiconductor component or device is provided which includes a current barrier element and for which the impedance may be tuned (i.e. Modified, changed, etc.) using a focused heating source..
10/09/14
20140303268
One-pot, high-performance recycling method for polymer waste achieved through renewable polymer synthesis
Compositions and processes for development of sustainable materials based upon a method of thermoplastic polymer recycling with a solvent that is also a monomer for renewable polymer synthesis. By combining petroleum-derived polymers with bio-based monomer feedstocks, biphasic, blended polymer products are produced and are shown to exhibit facile tunability of physical and material properties.
10/09/14
20140302800
Method and apparatus for calibrating a communication device
A system that incorporates teachings of the present disclosure may include, for example, a computer-readable storage medium having computer instructions to perform actual measurements of one or more performance parameters of a communication device according to a subset of tuning states of a tunable matching network operable in a communication device, determine estimated measurements of the one or more performance parameters of the communication device for a portion of the tuning states not included in the subset of tuning states according to the actual measurements, identify a data set for each of the one or more performance parameters from at least portions of the tuning states and the actual and estimated measurements, and determine from at least a portion of the date sets one or more tuning states that achieve at least one desirable performance characteristic of the communication device. Additional embodiments are disclosed..
10/09/14
20140301733
Elastic client interface for tunable optical transponder
There are provided an optical transponder having a first end and a second end, as well as an electric switch having the transponder. The transponder includes an optical interface, at the first end, having a variable rate optical transmitter and a variable rate optical receiver to respectively transmit and receive signals using at least one of different bandwidths and different bit rates.
10/09/14
20140301695
Tunable optical frequency comb generator
An optical device comprising a tunable optical frequency comb generator. The comb generator includes an interferometer, and an optical feed-back loop waveguide..
10/09/14
20140301694
Nanoscale plasmonic field-effect modulator
A plasmonic device having a transparent conducting oxide (tco) waveguide and a tunable voltage applied across the tco and a metal layer for modulating an input optical signal.. .
10/09/14
20140301416
Monolithically integrated tunable semiconductor laser
A monolithically integrated, tunable semiconductor laser with an optical waveguide, comprising epitaxial layers on a substrate and having first and second reflectors bounding an optical gain section and a non-driven region, wherein at least one of the reflectors is a distributed bragg reflector section configured to have a tunable reflection spectrum, wherein control electrodes are provided to at least the optical gain section, and the distributed bragg reflector section, and wherein the non-driven region has a length of at least 100 μm, is without an electrical contact directly contacting onto the epitaxially grown side of the non-driven region, and the non-driven region is without a reflective bragg grating within the epitaxial layers of the non-driven region.. .
10/09/14
20140300953
Tunable multi-mode laser
A widely tunable multi-mode semiconductor laser containing only two electrically active sections, being an optical gain section and a tunable distributed bragg reflector section adapted to reflect at a plurality of wavelengths, wherein the gain section is bounded by the tunable distributed bragg reflector section and a broadband facet reflector, and wherein the tunable distributed bragg reflector section comprises a plurality of discrete segments capable of being selectively tuned, wherein the reflection spectra of one or more segments of the tunable distributed bragg reflector section can be tuned lower in wavelength to reflect with the reflection spectrum of a further segment of the tunable distributed bragg reflector section to provide a wavelength range of enhanced reflectivity. An optical transmitter comprising a light source that is such a widely tunable multi-mode semiconductor laser..
10/09/14
20140300951
Directly driven source of multi-gigahertz, sub-picosecond optical pulses
A robust, compact optical pulse train source is described, with the capability of generating sub-picosecond micro-pulse sequences, which can be periodic as well as non-periodic, and at repetition rates tunable over decades of baseline frequencies, from mhz to multi-ghz regimes. The micro-pulses can be precisely controlled and formatted to be in the range of many ps in duration to as short as several fs in duration.
10/09/14
20140300948
Tunable optical frequency converter based on a phase modulator
The present invention provides a tunable optical frequency converter based on a phase modulator, which comprises a laser, a first optical isolator and a circulating frequency shift module. Said circulating frequency shift module is composed of an optical coupler, a phase modulator, an optical amplifier, a second optical isolator, a first optical circulator, an optical fiber bragg grating, a second optical circulator, a tunable filter and a tunable attenuator.
10/09/14
20140300335
Circuit with current-controlled frequency
A circuit with current-controlled frequency implements a node (2) with an electrical charge which alternatively increases and decreases between two thresholds. The slew rate of the node can be adjusted using a tunable current source (1), thereby enabling tuning of a switching delay.
10/09/14
20140300284
Color tunable light source module with brightness and dimming control
Led-based light source modules can incorporate color tunability and brightness control, allowing a user to select a desired color temperature and/or brightness and to change either or both dynamically. An emitter can include multiple independently addressable groups of leds, each emitting light of a different color.
10/09/14
20140300283
Color tunable light source module with brightness control
Led-based light source modules can incorporate color tunability and brightness control, allowing a user to select a desired color temperature and/or brightness and to change either or both dynamically. An emitter can include multiple independently addressable groups of leds, each emitting light of a different color.
10/09/14
20140299944
Graphene devices and methods of fabricating the same
A graphene device includes: a semiconductor substrate having a first region and a second region; a graphene layer on the first region, but not on the second region of the semiconductor substrate; a first electrode on a first portion of the graphene layer; a second electrode on a second portion of the graphene layer; an insulating layer between the graphene layer and the second electrode; and a third electrode on the second region of the semiconductor substrate. The semiconductor substrate has a tunable schottky barrier formed by junction of the first electrode, the graphene layer, and the semiconductor substrate..
10/09/14
20140299271
Tunable polish rates by varying dissolved oxygen content
A system for tunable removal rates and selectivity of materials during chemical-mechanical polishing using a chemical slurry or solution with increased dissolved oxygen content. The slurry can optionally include additives to improve removal rate and/or selectivity.
10/02/14
20140297833
Systems and methods for self-adaptive distributed systems
Systems and methods for run-time monitoring, tuning and optimization of distributed systems are provided. In various aspects, a system or method may include measuring run-time values for one or more performance metrics of the distributed system, such as, for example, task-latencies, process-throughputs, and the degree of utilization of various physical resources of the system.
10/02/14
20140296951
Neural interface system
The neural interface system of the preferred embodiments includes an electrode array having a plurality of electrode sites and a carrier that supports the electrode array. The electrode array is coupled to the carrier such that the electrode sites are arranged both circumferentially around the carrier and axially along the carrier.
10/02/14
20140296476
Prodrugs and drug-macromolecule conjugates having controlled drug release rates
The present invention provides methods and compositions that permit controlled and prolonged drug release in vivo. The compounds are either prodrugs with tunable rates of release, or conjugates of the drug with macromolecules which exhibit tunable controlled rates of release..
10/02/14
20140294338
Actively tunable polar-dielectric optical devices
Optical devices that include one or more structures fabricated from polar-dielectric materials that exhibit surface phonon polaritons (sphps), where the sphps alter the optical properties of the structure. The optical properties lent to these structures by the sphps are altered by introducing charge carriers directly into the structures.
10/02/14
20140294024
Tunable device, method of manufacture, and method of tuning an electrical device
This description relates to an apparatus, a method of manufacturing, and a method of tuning optical and/or electrical parameters of semiconductor devices and materials, thin film materials, or other devices. In one example, a laser is tuned to produce an adjustable output wavelength by coupling the laser to a tuning material or base such as, for example, a piezoelectric base using a suitable attachment method.
10/02/14
20140293393
Flat-top tunable filter
A tunable plc optical filter having sequentially connected thermally tunable mach-zehnder (mz) interferometers is described. The cascade of mz interferometers, each having a free spectral ranges matching itu frequency grid spacing, are tuned so as to have a common passband centered on the frequency of the signal being selected, while having at least one of the stopbands centered on any other itu frequency.
10/02/14
20140293290
Method and system for compact optical coherence tomography
The tunable filter placed in front of the detector to make the interferometer more sensitive and accurate for reading various samples for diagnosis. Optical coherence tomography (oct) system and apparatus of this instant application is very useful for diagnosis and management of ophthalmic diseases such as retinal diseases and glaucoma etc.
10/02/14
20140292598
Antenna system with tuning from coupled antenna
Electronic devices may include radio-frequency transceiver circuitry and antenna structures. The antenna structures may form a dual arm inverted-f antenna and an additional antenna such as a monopole antenna sharing a common antenna ground.
10/02/14
20140292487
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.
10/02/14
20140292376
Fractional-n synthesizer
One embodiment of the present invention provides a synthesizer. The synthesizer includes one or more tunable oscillators, a frequency-dividing circuit coupled to the tunable oscillators, and a multiplexer coupled to the frequency-dividing circuit.
10/02/14
20140291953
Steering attenuator assembly for motor vehicle
A steering attenuator assembly including a first and second sleeves defining axial passages, the second sleeve engaged within the first sleeve and movable relative thereto in an axial direction, and first and second spring members fitted internal to the attenuator, the first spring member arranged to compress under compressive loading of the steering attenuator and the second spring member arranged to compress under tensile loading of the steering attenuator, wherein the attenuator is tunable.. .
10/02/14
20140291068
Tunable acoustical absorbing composite batt
A composite batt structure that forms an effective low frequency sound absorber for use in buildings, appliances, automotive vehicles, and the like. The composite structure uses a facer covering a batt comprised of carded and crosslapped mixture of fibers.
09/25/14
20140288862
Magnetic compensation circuit and method for compensating the output of a magnetic sensor, responding to changes in a first magnetic field
A solution for compensating a magnetic field sensor to permit detection of a small magnetic field in the presence of a large magnetic field is disclosed. A magnetic field sensor detects the magnetic field which produces an analogue signal then encoded by an analogue to digital converter (adc) into a digital stream.
09/25/14
20140287904
Negative dielectric constant material based on ion conducting materials
Metamaterials or artificial negative index materials (nims) have generated great attention due to their unique and exotic electromagnetic properties. One exemplary negative dielectric constant material, which is an essential key for creating the nims, was developed by doping ions into a polymer, a protonated poly (benzimidazole) (fbi).
09/25/14
20140287698
Perturbation-based dynamic measurement of antenna impedance in real-time
Devices and methods are disclosed for real-time calibration of a tunable matching network that matches the dynamic impedance of an antenna in a receiver. Processing logic is operable to solve multiple non-linear equations to determine the reflection coefficient of the antenna.
09/25/14
20140287534
Highly sensitive magnetic tunable heterojunction device for resistive switching
The present invention discloses highly sensitive magnetic heterojunction device consisting of a composite comprising ferromagnetic (la0.66sr0.34mno3) lsmo layer with ultra-thin ferrimagnetic cofe2o4 (cfo) layer capable of giant resistive switching (rs) which can be tuned at micro tesla magnetic field at room temperature.. .
09/25/14
20140285945
Tunable capacitor
A tunable capacitor includes a first electrode and a second electrode, each being formed of a conductive material. The tunable capacitor further includes a third electrode between the first electrode and the second electrode, and a dielectric material interposed between the first electrode and the third electrode, and between the second electrode and the third electrode.
09/25/14
20140285799
Spectroscopic camera and alignment adjustment method
A spectroscopic camera includes a light incident section provided with an incident angle limiter and first alignment marks, a wavelength tunable interference filter provided with second alignment marks, and a circuit substrate provided with an imaging device and third alignment marks. The amount of deviation of a mechanical central axis of each of the components from an ideal central axis thereof and the angle of rotation indicating the direction of the deviation are measured, and the positions of the first alignment marks and the second alignment marks relative to each other and the positions of the second alignment marks and the third alignment marks relative to each other are so adjusted that the ideal central axes coincide with one another..
09/25/14
20140285298
Tunable inductor
A tunable inductor includes a first wire coil having a first terminal lead, and a second wire coil having a second terminal lead that is arranged and oriented in the same direction as the first terminal lead. The tunable inductor further includes a connecting bridge connecting the first wire coil with the second wire coil opposite the first and second terminal leads, such that the first wire coil and second wire coil are arranged in series and spaced side-by-side separated by a space.
09/25/14
20140285286
Tunable filter systems, devices, and methods
Systems, devices, and methods for tunable filters that are configured to support multiple frequency bands, such as within the field of cellular radio communication, can include a first resonator and a second resonator configured to block signals within one or more frequency ranges, and one or more coupling element connected to both the first resonator and the second resonator. The one or more coupling element can be configured to provide low insertion loss within a pass band..
09/25/14
20140285285
Tunable resonator
A tunable resonator includes at least one tunable capacitor coupled with at least one tunable inductor. The tunable resonator includes a mechanical tuning mechanism coupled with a connecting bridge and with first and second electrodes of the tunable inductor.


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Tuna topics: Dielectric Constant, Magnetic Field, Transistors, State Machine, Finite State Machine, Tunable Capacitor, Frequency Band

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