|| List of recent Tuna-related patents
| Tunable schottky diode with depleted conduction path|
A method of fabricating a schottky diode having an integrated junction field-effect transistor (jfet) device includes forming a conduction path region in a semiconductor substrate along a conduction path of the schottky diode. The conduction path region has a first conductivity type.
| Dynamic wavelength virtualization and/or on-demand flow provisioning in optical networks|
A network apparatus used in an optical network is disclosed. The network apparatus includes one or more first tunable and temperature controlled (ttc) lasers, one or more transmitters each of which is connected to one of said one or more ttc lasers, one or more second ttc lasers, one or more digital signal processing (dsp) transponders (tpnds) each of which is connected to one of said one or more second ttc lasers, one or more receivers, and a controller to control said one or more transmitters and said one or more dsp tpnds, wherein said one or more transmitters defragment an optical access spectrum, and said one or more dsp tpnds exploit a newly available spectrum.
| Electrostrictive resonance suppression for tunable capacitors|
A multi-layered capacitor includes three or more capacitor layers. A first layer includes a first dc-biased, tunable capacitor.
| Measurement device|
A spectrometry device includes a wavelength-tunable interference filter that is provided with a stationary reflection film, a movable reflection film and an electrostatic actuator which changes a gap dimension between the stationary reflection film and the movable reflection film; a detector that receives incident light; a filter control unit that sets the gap dimension between the stationary reflection film and the movable reflection film to be a first dimension corresponding to light having a first wavelength which is smaller than that of a measurement target wavelength region; a cutoff filter that cuts off the light having a wavelength which is smaller than that of the measurement target wavelength region; and a light quantity acquisition unit that acquires the light quantity of stray light received by the detector when the gap dimension is changed to be the first dimension.. .
| Laser based apparatus, methods and applications|
Embodied is a two-color, fiber-delivered picosecond source for coherent raman scattering (crs) imaging. A wavelength tunable picosecond pump is generated by nonlinear spectral compression of a prechirped femtosecond pulse from a mode-locked titanium:sapphire (ti:s) laser.
| Spectroscopic camera and spectroscopic image processing method|
A spectroscopic analysis apparatus includes a light source section having a first light source and second light source that radiate light fluxes, a wavelength tunable interference filter, an imaging section that captures light having passed through the wavelength tunable interference filter to acquire a first spectroscopic image when the object being imaged is irradiated with the light from the first light source and a second spectroscopic image when the object being imaged is irradiated with the light from the second light source, a pixel detector that detects an abnormal pixel in the first spectroscopic image, and a light amount corrector that replaces the amount of light at the abnormal pixel in the first spectroscopic image with the amount of light at a pixel in the second spectroscopic image that is located in the same position as the abnormal pixel.. .
| Tunable gas delivery assembly with internal diffuser and angular injection|
Embodiments of the present invention relate to an apparatus for providing processing gases to a process chamber with improved uniformity. One embodiment of the present invention provides a gas delivery assembly.
|Method and apparatus for determining tunable parameters to use in power and performance management|
Various method and apparatus embodiments for selecting tunable operating parameters in an integrated circuit (ic) are disclosed. In one embodiment, an ic includes a number of various functional blocks each having a local management circuit.
|Vehicle and method of tuning performance of same|
A method for tuning a vehicle's performance may include measuring a plurality of parameters representing the vehicle's current handling condition and the vehicle's limit handling condition, determining a margin between the vehicle's current handling condition and limit handling condition, characterizing the driver's dynamic control of the vehicle based on the margin, and altering at least one tunable vehicle performance parameter based on the characterization.. .
|Raw materials and methods of manufacturing bio-based epoxy resins|
Disclosed are methods for manufacturing bio-based epoxy resins. The raw materials of the resins include lignin, polyol, solvent, catalyst, acid anhydride, and multi-epoxy compound.
|Multi-tunable superconducting circuits|
A method of characterizing a tunable superconducting circuit, includes selecting an operating direct current (dc) flux for a first charge island from a plurality of coupled charge islands residing in the tunable superconducting circuit coupled to a first resonator and a second resonator, tuning operating dc flux values for at least two charge islands from the plurality of coupled charge islands, measuring coupling energies of the first resonator and the second resonator and measuring frequencies from each of the plurality of coupled charge islands.. .
|Method of forming flexible and tunable semiconductor photonic circuits|
Methods to physically transfer highly integrated silicon photonic devices from high-quality, crystalline semiconductors on to flexible plastic substrates by a transfer-and-bond fabrication method. With this method, photonic circuits including interferometers and resonators can be transferred onto flexible plastic substrates with preserved optical functionalities and performance..
|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.. .
|Passive optical network optical network terminal apparatus and configuration method|
A method of configuring an optical network terminal, ont, of a wavelength division multiplexed passive optical network, wdm pon. Sequentially setting a transmission wavelength of a tunable optical filter at the ont to one or more wavelengths of a pre-selected plurality of transmission wavelengths until a wavelength is identified for which no downstream optical signal from an optical line terminal of the wdm pon is detected.
The multi-wavelength laser is a ring laser source working at room temperature. The laser has an inner cavity disposed in an outer cavity.
|Broadband high power light source|
A tunable light includes a super continuum light source and a non-linear crystal, the super continuum light source comprising a pump source and a generator fiber, the generator fiber having an input end and an output end, and the super continuum light source and the non-linear crystal being arranged so that at least a part of output light emitted from the output end of the generator fiber is brought into interaction with the non-linear crystal under an angle of incidence φ relative to a surface of the non-linear crystal.. .
|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.
|Illumination techniques and devices|
Illumination techniques and related devices are disclosed. In some cases, a lighting device configured as described herein may include a front luminaire configured to emit white light and a back luminaire configured to emit colored light.
|System and method for detecting target materials using a vis-nir detector|
The present disclosure provides systems and methods for determining the presence of a target material in a sample. In general terms, the system and method disclosed herein provide collecting interacted photons from a sample having a target material.
|Tunable check valve|
Tunable check valves reduce valve-generated vibration to increase the reliability of tunable fluid ends. Selected improved designs described herein reflect disparate applications of identical technical principles (relating to, e.g., the vibration spectrum of an impulse).
|Devices and methods for programming fluid flow using sequenced microstructures|
A microfluidic platform is disclosed that uses obstacles placed at particular location(s) within the channel cross-section to turn and stretch fluid. The asymmetric flow behavior upstream and downstream of the obstacle(s) due to fluid inertia manifests itself as a total deformation of the topology of streamlines that effectively creates a tunable net secondary flow.
|Measuring signal to noise ratio of a wdm optical signal|
A wdm optical signal is transmitted through a tunable optical filter and is polarization-nulled to find optical signal to noise ratio of individual wdm channels. The polarization nulling can be performed using a heuristic multipoint extrema search method, such as nelder-mead method.
|Simple method to denoise ratio images in magnetic resonance imaging|
A simple method to denoise ratio images in magnetic resonance imaging, includes generating a mri sequence provided for acquiring data from an object to be imaged, wherein the mri sequence is configured for generating at least two different standard images, respectively a first standard image and a second standard image, acquiring the two different standard images, and combining the two different standard images in a ratio image. The ratio image is obtained by calculating a ratio of the first standard image and the second standard image that is tunable by a parameter γ wherein the parameter γ is automatically chosen for maximizing the negentropy of the ratio image..
|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.
|Tunable sector buffer for wide bandwidth resonant global clock distribution|
A wide bandwidth resonant clock distribution comprises a clock grid configured to distribute a clock signal to a plurality of components of an integrated circuit and a tunable sector buffer configured to receive the clock signal and provide an output to the clock grid. The tunable sector buffer is configured to set latency and slew rate of the clock signal based on an identified resonant or non-resonant mode..
|Excess air control for cracker furnace burners|
A method for control of the air/fuel ratio of the burner(s) (excess air) of a thermal cracker includes three steps. The thermal cracker has three consecutive zones or portions through which combustion gases pass, a firebox portion, a bridge wall portion and a convection portion the first step is to direct a wavelength modulated beam of near infrared light from two different tunable diode lasers located in the bridge wall portion through combustion gas from the burner to a pair of near infrared light detectors, each positioned to receive the wavelength modulated beam of near infrared light from a different one of the two tunable diode lasers to generate a detector signal.
|Wideband transmitter front-end|
One embodiment of the present invention provides a transmitter for wireless communication. The transmitter includes a wideband tunable modulator, a number of power amplifiers with a particular power amplifier associated with a particular frequency range, and a wideband power amplifier (pa) driver.
|Modular polymer hydrogel nanoparticles and methods of their manufacture|
In certain embodiments, a nano-sized vehicle (e.g., a nanogel comprising nanoparticles) is provided herein for drug delivery with tunable biodistribution, low toxicity, and degradability, and with demonstrated targeting to bone. The composition is useful, for example, in the treatment of bone disease, particularly bone metastases from cancers such as breast, prostate, or lung cancer..
|Flexible 3-d photonic device|
Three-dimensional flexible photonic integrated circuits on silicon are fabricated in semiconductor wafer form and then transferred to silicon-on-polymer (sop) substrates. Sop provides flexibility for conformal mounting with devices capable of maintaining performance when dynamically deformed to allow routing of light in x, y and z directions.
|Broadband solar control film|
Traditional solar control applications rely on thin metal films to reflect em radiation with wavelengths longer than that of the visible spectrum. Unfortunately such films also block radiation in cellular, gps, and radio frequency bands.
|Acousto-optical tunable filter element|
An acousto-optical filter element (114) is provided which has an acousto-optical crystal (118) having an acoustic signal transmitter (120) for generating acoustic signals in the acousto-optical crystal (118). The acousto-optical crystal (118) is designed to selectively spatially deflect light of a target wavelength from an input light beam (116) entering into the acousto-optical crystal (118), as a function of a high frequency applied to the acoustic signal transmitter (120), and to thereby produce a target light beam (126) having the target wavelength.
|Wavelength tunable light source|
Provided is a wavelength tunable light source including a super luminescent diode (sld) generating lights in a predetermined wavelength band, a voltage generating unit generating first and second voltages, a first filter receiving the first voltage from the voltage generating unit, receiving the lights from the sld, and transmitting, as second lights, lights corresponding to wavelengths separated by a free spectral range (fsr) from each other among the received lights, a second filter receiving the second voltage from the voltage generating unit, receiving the second lights from the first filter, and transmitting, as a third light, a light corresponding to one wavelength among the separated wavelengths among the received second light, and a reflective mirror disposed at an output end of the second filter and reflects the third light transmitted from the second filter.. .
|Wavelength scanning interferometer and method for aspheric surface measurement|
The present invention discloses a wavelength scanning interferometer and a method for an aspheric surface measurement. The wavelength scanning interferometer comprises a set of tunable lasers (7) used as a light source, a twyman-green interferometer used for generating interference fringes, a translation platform (1) used for scanning an optical path difference along an optical axis, an image card (11) used for converting interference data to a digital signal and transmitting the digital signal to a computer (12), and a data card (13) used for synchronizing the actions of a ccd camera (9) and the translation platform (1).
|Wavelength-tunable light source apparatus, driving method thereof, optical tomographic image acquisition apparatus including wavelength-tunable light source apparatus, and optical tomographic image acquisition method|
A control unit configured to control the plurality of the variable-wavelength light generation units to emit the light with different wavelength simultaneously in at least part of time, and control optical intensity such that wavelength dependence of the optical intensity generated from the plurality of variable-wavelength light generation units becomes unimodal.. .
|Optical coherence tomography control systems and methods|
In part, the invention relates to methods, devices, and systems suitable for controlling a light source. The light source is configured for use in a data collection system such as an optical coherence tomography system.
|Colorimetry method and colorimetry apparatus|
An imaging section that detects the amount of light separated by a wavelength tunable interference filter to acquire a spectroscopic image (imaging device and light amount acquisition section) detects the amount of light successively separated for three wavelengths to acquire spectroscopic images for producing a combined image. A display controller causes a display section to display a combined image based on the spectroscopic images for producing the combined image.
|Flexible pifa antenna with tunable coupling element|
A modified pifa antenna is designed for wireless local area network (wlan) applications. The modified pifa antenna is configured to resist detuning effects caused by use of various cable lengths and is adapted for use in the 2.4 ghz operation band.
|Communication device with tunable ground plane antenna element|
A communication device including a ground element and an antenna element is provided. The ground element has a first edge and a second edge, wherein the first edge is substantially perpendicular to the second edge.
|Wide bandwidth resonant global clock distribution|
A wide bandwidth resonant clock distribution comprises a clock grid configured to distribute a clock signal to a plurality of components of an integrated circuit, a tunable sector buffer configured to receive the clock signal and provide an output to the clock grid, at least one inductor, at least one tunable resistance switch, and a capacitor network. The tunable sector buffer is programmable to set latency and slew rate of the clock signal.
|Low power tunable reference current generator|
An improved reference current generator for use in an integrated circuit. A voltage difference generator generates two voltages that are separated by a relatively small electrical potential.
|Tunable led lamp for producing biologically-adjusted light|
A tunable light-emitting diode (led) lamp for producing an adjustable light output is provided. In one embodiment, the led lamp includes a drive circuit for driving led dies in one of a plurality of light output configurations (e.g., a pre-sleep configuration, a phase-shift configuration, and a general lighting configuration).
|System and method for dfa-nfa splitting|
Cost factors are utilized and may be estimated to determine split points in a dfa-nfa hybrid. The cost factors may comprise nfa start states, dfa backup factor, dfa-nfa token frequency, dfa steps to match, and nfa states to match.
|Fast response nanofiber articles with tunable wettability and bulk properties|
A fibrous properties-switching article comprises a mat consisting of fibers having a fiber diameter of 2 microns or less. The fibers comprise a polymer, copolymer, polymer blend, or polymer network, wherein the fibers have a diameter of 2 gm or less.
|Athermal optical filter with active tuning and simplified control|
Embodiments of the invention describe systems, apparatuses and methods for providing athermicity and a tunable spectral response for optical filters. Finite impulse response (fir) filters are commonly implemented in photonic integrated circuits (pics) to make devices such as wavelength division multiplexing (wdm) devices, asymmetric mach-zehnder interferometers (amzis) and array waveguide gratings (awgs).
|Voltage divider control circuit|
One or more techniques or systems for controlling a voltage divider are provided herein. In some embodiments, a control circuit is configured to bias a pull up unit of a voltage divider using an analog signal, thus enabling the voltage divider to be level tunable.
|Micro-electro-mechanical system (mems) variable capacitor apparatuses and related methods|
Systems, devices, and methods for micro-electro-mechanical system (mems) tunable capacitors can include a fixed actuation electrode attached to a substrate, a fixed capacitive electrode attached to the substrate, and a movable component positioned above the substrate and movable with respect to the fixed actuation electrode and the fixed capacitive electrode. The movable component can include a movable actuation electrode positioned above the fixed actuation electrode and a movable capacitive electrode positioned above the fixed capacitive electrode.
|Tunable acoustic gradient index of refraction lens and system|
A tunable acoustic gradient index of refraction (tag) lens and system are provided that permit, in one aspect, dynamic selection of the lens output, including dynamic focusing and imaging. The system may include a tag lens and at least one of a source and a detector of electromagnetic radiation.
|Tunable optical metamaterial|
A tunable metamaterial has a two dimensional array of resonant annular ring elements; and a plurality of voltage controllable electrical tuning elements disposed in or adjacent openings in each of said ring elements, each of said voltage controllable electrical tuning element ohmically contacting portions of only one of said ring elements. The voltage controllable electrical tuning elements may comprise highly doped semiconductor tunnel diodes, or the charge accumulation layer at the semiconductor/insulator interface of a metal-insulator-semiconductor structure, or nanoelectromechanical (nems) capacitors.
|Diagnostic method for high sensitivity detection of component concentrations in human gas emissions|
A method for detecting component concentrations in human gas emissions such as breath and gas emitted from skin. A gas sample containing a specified component is collected into a gas cell using a pump and a series of valves to draw the gas sample into the cell and control the gas pressure within the cell.
|Roller for paper stack separation|
A roller includes an outer cylindrical portion and an inner cylindrical portion arranged concentrically with the outer cylindrical portion. A plurality of connection spokes are provided for connecting the outer cylindrical portion and the inner cylindrical portion to each other, wherein each of the connection spokes are connected along a non-linear connection path with respect to an axis extending between the outer cylindrical portion and the inner cylindrical portion of the roller to provide a tunable spring constant in the roller..
|Dynamic real-time calibration for antenna matching in a radio frequency receiver system|
Real-time calibration of a tunable matching network that matches the dynamic impedance of an antenna in a radio frequency receiver system. The radio frequency receiver system includes two non-linear equations that may be solved to determine the reflection coefficient of the antenna.
|High resolution fast tunable filter using a tunable comb filter|
High resolution fast tunable optical filters are described such that each filter includes a tunable single-peak narrow-bandwidth (spnb) filter and a tunable etalon in tandem with the tunable spnb filter, where the bandwidth of the tunable spnb filter is less than the free spectral range (fsr) of the tunable etalon.. .
|Metal-organic framework extrudates with high packing density and tunable pore volume|
The present invention relates to extruded shaped bodies containing at least one metal-organic framework (mof), methods for their preparation and their use.. .
|Performance evaluation system and method therefor|
An exemplary energy auditing system and a method for obtaining a validated performance solution for a plant are provided. An exemplary system and method includes at least one processor that obtains plant data for calculating one or more performance metrics.
|Transceiver with asymmetric matching network|
A system on a chip (soc) includes a transceiver comprising a transmitter and a receiver, wherein at least one of the transmitter and receiver has a configurable portion that can be configured to operate in a single ended mode and in a differential mode. Two interface pins are provided for coupling the transceiver to an antenna via a matching network, wherein the two interface pins are shareably coupled to the transmitter and to the receiver.
|Apparatus and method for monitoring wavelength tunable optical filter|
A monitoring apparatus, that monitors a wavelength tunable optical filter for filtering an optical signal to which a frequency modulation component is added, includes: an optical filter configured to filter the optical signal output from the wavelength tunable optical filter; a detector configured to detect amplitude of the frequency modulation component included in the optical signal output from the optical filter; a generator configured to generate an output-side amplitude distribution representing a distribution of the amplitude of the frequency modulation component detected by the detector, by sweeping a transmission wavelength of the optical filter; and a monitoring unit configured to monitor arrangement of a transmission wavelength band of the wavelength tunable optical filter with respect to a spectrum of the optical signal based on the output-side amplitude distribution generated by the generator.. .
|Tunable optical filter and method of manufacture thereof|
A tunable optical filter is formed in the structure of an etalon. A thin electro-optic ceramic substrate is fixed between two end substrates.
|Miniature tunable laser spectrometer for detection of a trace gas|
An open-path laser spectrometer (opls) for measuring a concentration of a trace gas, the opls including an open-path multi-pass analysis region including a first mirror, a second mirror at a distance and orientation from the first mirror, and a support structure for locating the mirrors, a laser coupled to the analysis region and configured to emit light of a wavelength range and to enable a plurality of reflections of the emitted light between the mirrors, a detector coupled to the analysis region and configured to detect a portion of the emitted light impinging on the detector and to generate a corresponding signal, and an electronic system coupled to the laser and the detector, and configured to adjust the wavelength range of the emitted light from the laser based on the generated signal, and to measure the concentration of the trace gas based on the generated signal.. .
|Light tunable device|
The present invention discloses a light tunable device includes two substrates, a light tunable layer sealed between the two substrates, two electrodes formed on the two substrates, a tuning device coupled to the two electrodes to control bias for the two electrodes to control the status of the light tunable layer to have at least three statues.. .
|Mixed organosiloxane networks for tunable surface properties for blanket substrates for indirect printing methods|
A crosslinked siloxane composition contains the polymerization product of a mixture containing from about 2 to about 12 alkoxysilane precursor materials, where at least one of the alkoxysilane precursor materials is a hydrophilic alkoxysilane precursor material, and at least one of the alkoxysilane precursor materials is a hydrophobic alkoxysilane precursor material. A method of printing an image to a substrate involves applying an inkjet ink to an intermediate transfer member using an inkjet printhead, spreading the ink onto the transfer member, inducing a property change of the ink, and transferring the ink to a substrate, where the intermediate transfer member comprises a crosslinked siloxane composition containing the polymerization product of a mixture comprising from about 2 to about 12 alkoxysilane precursor materials, where at least one of the precursor materials is hydrophilic and at least one is hydrophobic..
|Tunable cavity resonator including a plurality of mems beams|
A tunable cavity resonator includes a substrate, a cap structure, and a tuning assembly. The cap structure extends from the substrate, and at least one of the substrate and the cap structure defines a resonator cavity.
One embodiment of the invention includes a quantum processor system. The quantum processor system includes a first resonator having a first characteristic frequency and a second resonator having a second characteristic frequency greater than the first characteristic frequency.
|Implantable transient nerve stimulation device|
The invention generally relates to an implantable, tunable, and bioresorbable medical device for nerve stimulation within a body of a patient for pain management. The medical device includes a substrate, a circuit configured to provide stimulation to a target tissue, and a material surrounding the substrate and the circuit.