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Tuna-related patent applications - as published by the U.S. Patent and Trademark Office (USPTO).

NEW Iris imaging
Intel Corporation
June 22, 2017 - N°20170180614

Techniques for imaging an iris are described. An example of an electronic device includes a camera and a light emitting diode (led) assembly to provide light for an iris image. The led assembly comprises an led and a tunable filter disposed over the led. The tunable filter tunes the wavelength of the light emitted by the led assembly.
NEW Leakage cancellation circuits
Intel Corporation
June 22, 2017 - N°20170180166

Technologies for rfid positioning and tracking apparatus and methods are disclosed herein. The apparatus and methods disclose a radio-frequency identification positioning system that includes a radio-frequency identification reader and a phased-array antenna coupled to the radio-frequency identification reader. Techniques are applied to reduce in-reader and in-antenna signal leakages. Techniques are applied to position and track rfid tags. Circuits with leakage ...
NEW Protection circuits for tunable resistor at continuous-time adc input
Analog Devices Global
June 22, 2017 - N°20170179968

Continuous-time analog-to-digital converters (adcs) such as continuous-time delta-sigma adcs and continuous-time pipeline adcs, has input resistor structure at the input. The input resistor structure is typically tunable, and the tunability is usually provided by metal-oxide semiconductor field effect transistor (mosfet) switches. Core mosfets, which has a terminal-to-terminal voltage <1. 0v, is used for the switches for performance reasons. However, ...
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NEW Widely and rapidly tunable multi-wavelength laser
Lgs Innovations Llc
June 22, 2017 - N°20170179673

The present application describes a multi wavelength apparatus. The apparatus includes a pump laser, a first seed laser and a second seed laser. Each of the first and second seed lasers had wavelengths longer than the pump laser. The apparatus also includes a first multiplexer. The apparatus also includes first and second controllers configured to respectively control outputs of the ...
NEW Method for automatically adjusting tunable passive antennas, and automatically tunable antenna array using this method
June 22, 2017 - N°20170179601

The invention relates to a method for automatically adjusting a plurality of tunable passive antennas, for instance a plurality of tunable passive antennas of a radio transceiver using several antennas simultaneously. The invention also relates to an automatically tunable antenna array using this method. An automatically tunable antenna array of the invention has 4 user ports, and comprises: 4 tunable passive antennas, ...
NEW Tunable resonance in a resonating gas seismic source
Geospectrum Technologies Inc.
June 22, 2017 - N°20170178613

A system may include a conduit coupled between a marine seismic source and a gas reservoir external to the seismic source. The conduit may have at least one adjustable dimension for changing a resonance frequency of the system. The system may be utilized in a method of marine seismic surveying.
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NEW Methods and systems for detecting gas flow by photoacoustic signal generation
General Electric Company
June 22, 2017 - N°20170176489

A method for the detection of a gas flowing from a location in a structure is described. A hollow-core optical fiber is placed in a position adjacent the structure. The fiber includes a sound-conductive cladding layer; and further includes at least one aperture extending into its cross-sectional diameter. A beam of pulsed, optical is transmitted into the fiber with a ...
NEW Devices and methods for sorting droplets by surface tension
Colorado State University Research Foundation
June 22, 2017 - N°20170176311

A tunable superomniphobic surface with flower-like tio2 nanostructures was fabricated into a device with precisely tailored surface energy domains that can sort droplets by surface tension. This apparatus and method for droplet sorting will enable inexpensive and energy-efficient analytical devices for personalized point-of-care diagnostic platforms, lab-on-a-chip systems, fuel sensor applications, biochemical assays and biosensors.
NEW Nanobody-flourescent protein fusion
National University Of Singapore
June 22, 2017 - N°20170174732

We describe the rational structure-based design of monomeric and dimeric forms of a nanobody-enhanced gfp (termed vsfgfp) that demonstrates ˜1. 3-fold higher brightness than sfgfp in a monomeric form and ˜2. 5-fold higher brightness in a dimeric form. These new vsfgfp variants demonstrate high stability and brightness in both bacterial and eukaryotic cells and are thus ideal for ...
NEW Topical cosmetic compositions
Mary Kay Inc.
June 22, 2017 - N°20170172911

Disclosed are compositions and methods for their use for reducing tumor necrosis factor alpha (tnf-α) and/or vascular endothelial growth factor (vegf) production in skin cells by topically applying to skin in need thereof, a composition comprising an effective amount of opuntia ficus-indica tuna, opuntia ficus-indica nopales, or both, or extracts thereof, to reduce tnf-α or ...
Method for monitoring wavelength of tunable laser on user end by optical line terminal on ...
Accelink Technologies Co., Ltd.
June 15, 2017 - N°20170170898

Disclosed is a method for monitoring the wavelength of a tunable laser device of user by local olt. The method is applied to a wavelength division multiplexing passive optical network framework. The framework comprises an onu, a first athermal array waveguide grating, a transmission optical fiber, a second athermal array waveguide grating and the olt, which are sequentially connected. Onu ...
Broadband power amplifier systems and methods
Skyworks Solutions, Inc.
June 15, 2017 - N°20170170792

Disclosed are systems, devices, and methodologies to reduce harmonics in a radio frequency output signal. A power amplifier system comprises a power amplifier and a tunable output matching network electrically connected between the output of the power amplifier and an output of the tunable output matching network. The tunable output matching network reduces second-order harmonics in an amplified radio frequency ...
Tunable laser device
Alcatel Lucent
June 15, 2017 - N°20170170631

A tunable laser device comprises a multi-section distributed feedback (dfb) laser having a first bragg section including a waveguide and a bragg grating, a second bragg section comprising a waveguide and a bragg grating, and a phase section being longitudinally located between the first bragg section and the second bragg section. The phase section is made of a passive material, ...
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Mixed left/right chiral liquid crystal for improved switching speed and tunability for rf devices
Kymeta Corporation
June 15, 2017 - N°20170170557

A method and apparatus is disclosed herein for improved switching speed and/or tunability for radio-frequency (rf) devices are described. In one embodiment, a liquid crystal (lc) component comprises an lc structure in a mixture with right-handed (r) and left-handed (s) chiral dopants.
Matching process controllers for improved matching of process
Applied Materials, Inc.
June 15, 2017 - N°20170168477

Described herein are methods and systems for chamber matching in a manufacturing facility. A method may include receiving a first chamber recipe advice for a first chamber and a second chamber recipe advice for a second chamber. The chamber recipe advices describe a set of tunable inputs and a set of outputs for a process. The method may further include ...
Flat-top tunable filter
Lumentum Operations Llc
June 15, 2017 - N°20170168241

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 ...
Remotely tunable continuously variable transmission and control method thereof
Lumentum Operations Llc
June 15, 2017 - N°20170167606

The remotely tunable cvt is an apparatus that comprises a continuously variable transmission, in which an actual speed ratio is feedback-controlled to a target speed ratio, in addition to a communications system configured to enable wireless communication with an external computer, and a control system configured to allow the target speed ratio to be controlled via the aforementioned external device. ...
Optical network with small-form-factor optical fiber cross-connect module
Verizon Patent And Licensing Inc.
June 08, 2017 - N°20170164076

A system includes an optical fiber cross-connect module with upstream ports and downstream ports, a first set of optical fibers connected from optical line terminals to the upstream ports, and a second set of optical fibers connected to the downstream ports and a customer optical network unit. The optical line terminals provide multiple wavelengths carrying optical signals at different bitrates ...
Measuring signal to noise ratio of a wdm optical signal
Viavi Solutions Deutschland Gmbh
June 08, 2017 - N°20170163338

A device for measuring optical signal-to-noise ratio (osnr) of a wavelength division multiplexing (wdm) optical signal including multiple wavelength channels may include a tunable optical filter to select an optical wavelength channel of the plurality of optical wavelength channels. The device may also include a polarization controller to adjust a polarization state of the selected optical wavelength channel, and a ...
Calibration techniques for sigma delta transceivers
Gm Global Technology Operations Llc
June 08, 2017 - N°20170163295

A cellular radio architecture that includes a transceiver front-end circuit including an antenna and a switch module having a switching network that directs analog transmit signals to be transmitted to the antenna and receives receive signals from the antenna. The architecture further includes a receiver module having a separate signal channel for each of the signal paths in the multiplexer ...
Coupled spin hall nano oscillators with tunable strength
Intel Corporation
June 08, 2017 - N°20170163275

Described is an oscillating apparatus which comprises: an interconnect with spin-coupling material (e. G., spin hall effect (she) material); and a magnetic stack having two magnetic layers such that one of the magnetic layers is coupled to the interconnect, wherein each of the two magnetic layers have respective magnetization directions to cause the magnetic stack to oscillate.