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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


Method and apparatus for calibrating a communication device

Method and apparatus for calibrating a communication device

Elastic client interface for tunable optical transponder

Elastic client interface for tunable optical transponder

Elastic client interface for tunable optical transponder

Tunable optical frequency comb generator

Date/App# patent app List of recent Tuna-related patents
10/09/14
20140303268
 One-pot, high-performance recycling method for polymer waste achieved through renewable polymer synthesis patent thumbnailOne-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 patent thumbnailMethod 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 patent thumbnailElastic 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 patent thumbnailTunable 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 patent thumbnailNanoscale 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 patent thumbnailMonolithically 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 patent thumbnailTunable 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 patent thumbnailDirectly 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 patent thumbnailTunable 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 patent thumbnailCircuit 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.
09/18/14
20140279844
Available, scalable, and tunable document-oriented storage services
An application on a device may interact with a document service that provides access to a document service. The interaction may occur in a variety of contexts, such as a device context (e.g., the document service and the application provided on the same device), a local context (e.g., via a lan), and a remote context (e.g., over the internet).
09/18/14
20140279822
Topological quantum computation via tunable interactions
A quasiparticle interactor induces interactions between non-abelian quasiparticles. State information is teleported between non-abelian quasiparticles due to the interactions.
09/18/14
20140279122
Cloud-based media device configuration and ecosystem setup
Embodiments relate generally to electrical and electronic hardware, computer software, wired and wireless network communications, and portable and wearable media devices. Media devices may include a plurality of rf transceivers and an audio system.
09/18/14
20140278955
Tunable ad generation
A system and method of providing tunable generation of advertisements are disclosed. In some embodiments, a target advertisement goal for a website is received.
09/18/14
20140278324
Interactive tissue model for simulating the electrical activity of excitable tissues
A method of simulating electrical propagation in the heart muscle on a computing device having a processor and a memory includes providing a structural representation of a heart muscle. The structural representation includes a plurality of tissue elements.
09/18/14
20140275602
Tunable photoactive compounds
Photoactive compositions of matter, methods for their design and synthesis, and various applications of such compositions of matter are disclosed. Such photoactive compositions may, for example, include any one or more of the following: a core moiety; a primary electron donor moiety; an electron-withdrawing moiety; and an alkyl tail.
09/18/14
20140275552
Tunable photoactive compounds
Photoactive compositions of matter, methods for their design and synthesis, and various applications of such compositions of matter are disclosed. Such photoactive compositions may, for example, include any one or more of the following: a core moiety; a primary electron donor moiety; an electron-withdrawing moiety; and an alkyl tail.
09/18/14
20140275435
Bio-based block polymers derived from lignin and fatty acids
The present invention pertains to bio-based block polymers synthesized from functionalized lignin-based molecules (a-monomer) and functionalized fatty acids or fatty alcohols (b-monomer) derived from plant or animal oils, waxes or fats. The block polymers can be synthesized via numerous polymerization techniques, such as reversible addition-fragmentation chain transfer (raft).
09/18/14
20140273887
Tunable ila and dila matching for simultaneous high and low band operation
A method and system configures a wireless communication device to support simultaneous signal propagation using a single narrow band antenna. An antenna tuner controller (atc) configures a tunable low band matching circuit to provide a first antenna matching in order to support propagation of a low band signal with a first signal path.
09/18/14
20140273817
Extending beamforming capability of a coupled voltage controlled oscillator (vco) array during local oscillator (lo) signal generation through fine control of a tunable frequency of a tank circuit of a vco thereof
A method includes implementing a coupled voltage controlled oscillator (vco) array with a number of vcos, and arranging a number of switched capacitor elements in a geometric proportion in a tank circuit of each vco to provide for finesse in control of a tunable frequency of the tank circuit. The method also includes utilizing a voltage control input of a varactor element of the tank circuit solely for achieving phase separation between the each vco and another vco of the coupled vco array based on the provision of finesse in the control of the tunable frequency of the tank circuit, and mixing local oscillator (lo) signals generated through the number of vcos of the coupled vco array with signals from antenna elements of an antenna array to introduce differential phase shifts in signal paths coupled to the antenna elements during performing beamforming with the antenna array..
09/18/14
20140270764
Control plane for integrated switch wavelength division multiplexing
A method of controlling optical data flow in a network is provided. The method includes: receiving, by a switch controller, a data flow including a plurality of data packets used for network management and control, the network switch including at least one wavelength tunable optical data transmission interface to a wavelength division multiplexed optical network; transmitting a control signal indicating which wavelengths are in use and which wavelengths are not in use to the network switch over a control link; receiving a return signal generated by an optical filter in the switch, the return signal indicative of an available wavelength for transmission of the data flow to the switch; allocating a data traffic flow to the available wavelength, and communicating the allocation decision to the network switch; and transmitting the data flow to the switch via an optical carrier signal having the available wavelength indicated by the return signal..
09/18/14
20140270618
Wavelength tunable integrated optical subassembly based on polymer technology
An optical sub assembly can include a distributed feedback (dfb) tunable laser and an optical modulator. Wavelength selection and phase adjustment portions of the dfb laser, as well as an electro-optic (eo) modulator can be formed from polymer waveguides including hyperpolarizable chromophores disposed on a single substrate..
09/18/14
20140269808
Rapidly tunable laser source assembly with long stroke grating mover
A laser assembly (10) that generates a beam (12) includes (i) a gain medium (22) that generates the beam (12) when electrical power is directed to the gain medium (22); (ii) a grating (32) positioned in a path of the beam (12); (iii) a grating arm (34) that retains the grating (32); and (iv) a mover assembly (36) that moves the grating arm (34) about a pivot axis (38). The mover assembly (36) includes a coarse mover (344) that makes large scale movements to the grating arm (34), and a fine mover (352) that makes fine movements to the grating arm (34).
09/18/14
20140269790
System and method for increasing coherence length in lidar systems
Various implementations of the invention compensate for “phase wandering” in tunable laser sources. Phase wandering may negatively impact a performance of a lidar system that employ such laser sources, typically by reducing a coherence length/range of the lidar system, an effective bandwidth of the lidar system, a sensitivity of the lidar system, etc.
09/18/14
20140269789
Distributed feedback (dfb) brillouin fiber lasers
A brillouin fiber laser uses a distributed feedback (dfb) fiber bragg grating with a discrete π-phase shift, which is offset from the physical center of the grating as a resonator. Lasing is achieved by using the sbs gain in the dfb from narrow-linewidth laser pump radiation with an optical frequency that is higher than the central pass band of the grating by an amount nominally equal to the stokes's frequency shift, νb.
09/18/14
20140269787
Wavelength versatile vecsel raman laser
A tunable lasing device including a vertical external cavity surface emitting laser, adapted to generate a fundamental laser beam in response to pumping from a pump source, said fundamental laser beam having a fundamental wavelength and a fundamental linewidth; a fundamental resonator cavity adapted to resonate the fundamental beam therein; a first optical element located within the fundamental resonator cavity for control of the fundamental linewidth of the fundamental beam; a raman resonator located at least partially in said fundamental resonator adapted to receive the fundamental beam and comprising therein, a solid state raman active medium located therein for generating at least a first stokes beam from the fundamental beam wherein said raman resonator cavity is adapted to resonate said stokes beam therein and further adapted to emit an output beam; and further comprising a nonlinear medium located within the raman resonator cavity for nonlinear frequency conversion of at least one of the beams present in the fundamental or the raman resonator cavity; said tunable lasing device further comprising an output coupler adapted to emit an output beam, said output beam comprising at least a portion of said frequency converted beam being derived from at least one of the resonating beams in said fundamental or said raman resonator cavities.. .
09/18/14
20140269651
Media device configuration and ecosystem setup
Embodiments relate generally to electrical and electronic hardware, computer software, wired and wireless network communications, and portable and wearable media devices. Media devices may include a plurality of rf transceivers and an audio system.
09/18/14
20140268345
Interference filter, optical filter device, optical module, and electronic apparatus
A wavelength tunable interference filter includes a fixed substrate, a fixed reflection film that is provided on the fixed substrate, reflects part of incident light, and transmits at least part of the incident light, a movable reflection film that faces the fixed reflection film, reflects part of incident light, and transmits at least part of the incident light, and a fixed electrode that surrounds the fixed reflection film and has a light absorbing layer and a metal layer, and the light absorbing layer is disposed closer to the fixed substrate than the metal layer.. .
09/18/14
20140268344
Interference filter, interference filter manufacturing method, optical module, electronic apparatus, and bonded substrate
A wavelength tunable interference filter includes a fixed substrate, a movable substrate, a fixed reflective film provided on the fixed substrate, a movable reflective film provided on the movable substrate so as to face the fixed reflective film, and a first bonding portion that bonds the fixed substrate and the movable substrate to each other. The first bonding portion includes a resin layer provided on the fixed substrate, a metal layer that is provided on the fixed substrate so as to cover the resin layer and that has smaller plasticity than the resin layer, and another metal layer that is provided on the movable substrate and that is bonded to the metal layer..
09/18/14
20140268290
System and method for increasing coherence length in lidar systems
Various implementations of the invention compensate for “phase wandering” in tunable laser sources. Phase wandering may negatively impact a performance of a lidar system that employ such laser sources, typically by reducing a coherence length/range of the lidar system, an effective bandwidth of the lidar system, a sensitivity of the lidar system, etc.
09/18/14
20140268169
Widely tunable swept source
A high-speed, single-mode, high power, reliable and manufacturable wavelength-tunable light source operative to emit wavelength tunable radiation over a wavelength range contained in a wavelength span between about 950 nm and about 1150 nm, including a vertical cavity laser (vcl), the vcl having a gain region with at least one compressively strained quantum well containing indium, gallium, and arsenic.. .
09/18/14
20140268050
Tunable laser array system
A system for swept source optical coherence tomography, the system including a light source emitting multiplexed wavelength-swept radiation over a total wavelength range, the light source including n wavelength-swept vertical cavity lasers (vcl) emitting n tunable vcl outputs having n wavelength trajectories, a combiner for combining the n tunable vcl optical outputs into a common optical path to create the multiplexed wavelength-swept radiation, a splitter for splitting the multiplexed wavelength-swept radiation to a sample and a reference path, an optical detector for detecting an interference signal created by an optical interference between a reflection from the sample and light traversing the reference path, and a signal processing system which uses the interference signal to construct an image of the sample, wherein at least one of the n wavelength trajectories differs from another of the n wavelength trajectories with respect to at least one parameter.. .
09/18/14
20140267684
System and method for detecting contamination in food using hyperspectral imaging
The present disclosure provides systems and methods for determining the presence of a contaminate in a food sample. Interacted photons from a food sample having a contaminate of interest are collected.


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

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