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Viavi Solutions Inc patents


Recent patent applications related to Viavi Solutions Inc. Viavi Solutions Inc is listed as an Agent/Assignee. Note: Viavi Solutions Inc may have other listings under different names/spellings. We're not affiliated with Viavi Solutions Inc, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "V" | Viavi Solutions Inc-related inventors


Variable optical filter and a wavelength-selective sensor based thereon

A variable optical filter is disclosed including a bandpass filter and a blocking filter. The bandpass filter includes a stack of alternating first and second layers, and the blocking filter includes a stack of alternating third and fourth layers. The first, second and fourth materials each comprise different materials, so... Viavi Solutions Inc

Time differential digital circuit

A time differential digital circuit can detect a time difference between first and second event signals. The time difference measurement can be calibrated to account for transmission path delays. The time differential digital circuit can be implemented using field programmable gate array transceivers.... Viavi Solutions Inc

Optically variable device comprising magnetic flakes

An optically variable device may be manufactured by aligning magnetic flakes on a surface of an adhesive layer by applying the flakes onto the adhesive layer surface in presence of a magnetic field, and curing the adhesive layer having magnetic flakes adhered to the adhesive layer. When cured, the adhesive... Viavi Solutions Inc

Temperature or strain distribution sensor

According to examples, a temperature or strain distribution sensor may include a photodiode to acquire a beat frequency between a first laser beam and a second laser beam. A modulator may modulate the first laser beam that is to be injected into a device under test (DUT). A coherent receiver... Viavi Solutions Inc

Data stream monitoring

A first device for determining measurement information for a network may include one or more processors. The first device may identify one or more data streams of frames for monitoring. The first device may modify the frames of the one or more identified streams to identify the frames as one... Viavi Solutions Inc

Forward error correction with optical and electrical transponder

A test instrument or host device can apply inverse transmitter and receiver functions to data transmitted or received by an electrical and optical transponder. The inverse transmitter and receiver functions are applied to counteract internal signal conversion processes of the transponder. Forward error correction and test pattern analysis may be... Viavi Solutions Inc

Magnetic multilayer pigment flake and coating composition

The present invention provides a magnetic multilayer pigment flake and a magnetic coating composition that are relatively safe for human health and the environment. The pigment flake includes one or more magnetic layers of a magnetic alloy and one or more dielectric layers of a dielectric material. The magnetic alloy... Viavi Solutions Inc

Spectroscopic classification of conformance with dietary restrictions

A device may receive a classification model generated based on a set of spectroscopic measurements performed by a first spectrometer. The device may store the classification model in a data structure. The device may receive a spectroscopic measurement of an unknown sample from a second spectrometer. The device may obtain... Viavi Solutions Inc

Packet filtering using binary search trees

A packet filtering system uses linked zero-based binary search trees to filter received packets. The binary search trees may be generated from filter conditions defining filter parameters for filtering packets.... Viavi Solutions Inc

Microburst buffering circuit

A microburst buffering circuit can buffer packets received on an ingress port based in a capacity of a destination buffer of an egress port. A controller may toggle between bypassing a microburst packet buffer and temporarily storing packets in the microburst packet buffer based on the available capacity of the... Viavi Solutions Inc

Colorant including a mixture of pigments

A colorant including a mixture of pigments is disclosed. The pigments have a similar coloration but different resistance to corrosion. The mixing ratio is selected to optimize the corrosion resistance against color brightness, and/or acidic corrosion resistance against alkali corrosion resistance of the colorant.... Viavi Solutions Inc

Transfer of a calibration model using a sparse transfer set

A device may obtain a master calibration set, associated with a master calibration model of a master instrument, that includes spectra, associated with a set of samples, generated by the master instrument. The device may identify a selected set of master calibrants based on the master calibration set. The device... Viavi Solutions Inc

Method of encapsulating pigment flakes with a metal oxide coating

A method of encapsulating pigment flakes with a metal oxide coating is provided. According to the method, pigment flakes are mixed with a solvent, a metal salt is added to the solvent, and a reducing agent is added to the solvent, so as to encapsulate the pigment flakes with a... Viavi Solutions Inc

Magnetic articles

An article including a magnetic-containing layer having a first surface and a second surface opposite the first; a first reflector layer external to the first surface of the magnetic-containing layer; a second reflector layer external to the second surface of the magnetic-containing layer; a first selective light modulator layer external... Viavi Solutions Inc

High chromaticity pigment flakes and foils

An article including at least one first metallic layer, at least one dielectric layer; and at least one second metallic layer is disclosed. The at least one dielectric layer can include at least one of (i) a photo-initiator, (ii) an oxygen inhibition mitigation composition, (iii) a leveling agent, and (iv)... Viavi Solutions Inc

High chroma flakes

An article including a reflector having a first surface and a second surface opposite the first surface; a first selective light modulator layer external to the first surface of the reflector; a second selective light modulator layer external to the second surface of the reflector; a first absorber layer external... Viavi Solutions Inc

Optical devices

A sheet including a reflector having a first surface, a second surface opposite the first surface, and a third surface; a first selective light modulator layer external to of the first surface of the reflector; and a second selective light modulator layer external to the second surface of the reflector;... Viavi Solutions Inc

Diffractive pigment blend and composition

A diffractive pigment blend or composition is provided which includes a plurality of groups of all-dielectric diffractive pigment flakes. The pigment flakes of each group each include one or more dielectric layers for providing a background color, at least one of which includes a diffractive structure for providing a diffractive... Viavi Solutions Inc

Optical filter including a high refractive index material

An optical filter including at least one of a high refractive index material and a low refractive index material; wherein the optical filter exhibits a reduced angle shift in at least one of a visible, near infrared, and an extreme ultraviolet wavelength is disclosed. A method of depositing a film... Viavi Solutions Inc

Protected item including a protective coating

There is disclosed a protected item including an item that needs protection and a protective coating having a hardness of at least about 8 on the Mohs scale. The protected item includes a light transmission in part or all of the visible wavelength of at least about 60% and a... Viavi Solutions Inc

Upstream sweep test with sweep server signaling

A network test instrument is operable to conduct sweep tests with a cable modem termination system having a distributed architecture. Through signaling performed via a telemetry channel between the network test instrument and a sweep server, the network test instrument can initiate the sweep test. The sweep server communicates with... Viavi Solutions Inc

Portable spectrometer

A portable spectrometer device includes an illumination source for directing at a sample, and a tapered light pipe (TLP) for capturing light interacting with the sample at a first focal ratio and for delivering the light at a second focal ratio lower than the first focal ratio. A linearly variable... Viavi Solutions Inc

Optical filter and sensor system

An optical filter having a passband at least partially overlapping with a wavelength range of 800 nm to 1100 nm is provided. The optical filter includes a filter stack formed of hydrogenated silicon layers and lower-refractive index layers stacked in alternation. The hydrogenated silicon layers each have a refractive index... Viavi Solutions Inc

Detecting signal leakage in cable networks

A signal leakage in a cable network may be detected by using a test device to obtain a spectrum of an electromagnetic wave propagating in vicinity of the cable network, and automatically detecting QAM channels in the obtained spectrum by detecting characteristic spectral roll-offs at boundary frequencies between QAM channels... Viavi Solutions Inc

Real-time load balancing for a network

A device may select a sector of a network on which to perform network traffic offloading based on a sector loading metric relating to an imbalance of loading of a set of cells of the sector. The device may identify a loaded cell of the sector based on one or... Viavi Solutions Inc

Manufacturing of diffractive pigments by fluidized bed chemical vapor deposition

Microstructured pigments include a dielectric core having a diffraction grating. The microstructured dielectric core is encapsulated with one or more encapsulation layers which are deposited using chemical vapor deposition in a fluidized bed. The fluidizing conditions allow for providing uniform and highly-conforming encapsulation layers.... Viavi Solutions Inc

Methods and self optimization and/or improvement of a cloud-based wireless network

In some embodiments, an apparatus includes a monitor module configured to monitor a set of performance indicators associated with a first network topology of a wireless network provider system. In the first network topology, a set of virtual baseband units services a set of remote radio heads. The apparatus includes... Viavi Solutions Inc

Health tracking device

A device may receive, from a plurality of sensors, sensor data relating to a user. The device may include a plurality of types of sensors including a spectrometer and one or more of an accelerometer, a heart rate sensor, a blood pressure sensor, a blood sugar sensor, a perspiration sensor,... Viavi Solutions Inc

Brillouin and rayleigh distributed sensor

According to examples, a Brillouin and Rayleigh distributed sensor may include a first laser source to emit a first laser beam, and a second laser source to emit a second laser beam. A photodiode may acquire a beat frequency between the two laser beams. The beat frequency may be used... Viavi Solutions Inc

Light pipe for spectroscopy

A spectroscopic assembly may include a spectrometer. The spectrometer may include an illumination source to generate a light to illuminate a sample. The spectrometer may include a sensor to obtain a spectroscopic measurement based on light, reflected by the sample, from the light illuminating the sample. The spectroscopic assembly may... Viavi Solutions Inc

Anisotropic magnetic flakes

The invention relates to anisotropic, reflective, magnetic flakes. In a liquid carrier and under influence of an external magnetic field, the flakes attract to one another side-by-side and form ribbons which provide higher reflectivity to a coating and may be used as a security feature for authentication of an object.... Viavi Solutions Inc

Medication assurance system and method

A medication assurance system for verification of both the medication and the patient is disclosed. A portable spectrometer is used to obtain a light spectrum of the medication. A subject identification or biometric device is used to identify the patient. A controller coupled to the portable spectrometer and the subject... Viavi Solutions Inc

Fabricating a sensor device

According to an example, a first mirror layer may be formed on a substrate. A first set of spacer layers may be deposited on the first mirror layer to be positioned above a first group of the sensing elements and a second set of spacer layers may be deposited on... Viavi Solutions Inc

Optical filter array

A device may include a filter array disposed on a substrate. The filter array may include a first mirror disposed on the substrate. The filter array may include a plurality of spacers disposed on the first mirror. A first spacer, of the plurality of spacers, may be associated with a... Viavi Solutions Inc

08/10/17 / #20170230079

Cable network spectral measurement during upstream packet transmission

Apparatus and method are provided for obtaining an upstream signal spectrum as it was during a time of transmission of a received upstream data packet. The apparatus includes an analog-to-digital converter (ADC), a packet detector coupled to ADC, and a spectrum calculation unit coupled to the ADC and the packet... Viavi Solutions Inc

08/03/17 / #20170219853

Polarization control based upon a polarization reference state

According to an example, a polarization control system is to manipulate polarization manipulators to output light that achieves a trajectory on a Poincaré sphere that tracks a known trajectory of a polarizer on the Poincaré sphere, in which the trajectory of the output light enables definition of a reference polarization... Viavi Solutions Inc

08/03/17 / #20170219430

Optical filter and spectrometer

An optical filter is disclosed including two laterally variable bandpass filters stacked at a fixed distance from each other, so that the upstream filter functions as a spatial filter for the downstream filter. This happens because an oblique beam transmitted by the upstream filter is displaced laterally when impinging on... Viavi Solutions Inc

07/13/17 / #20170201326

Spectral analysis using a spatial light modulator

According to an example, an optical transmission device may include a spatial light modulator having a plurality of cells, in which different wavelengths of a light beam are to impinge upon different groups of pixels along a dispersion direction. The device may also include a driver mechanism to modulate, at... Viavi Solutions Inc

07/06/17 / #20170191870

Spectroscopic assembly and method

A spectrometer assembly is provided having an optical transmission filter including a stack of continuous, non-patterned alternating dielectric and metal layers. Angle-dependent transmission wavelength shift of the optical transmission filter with continuous metal layers is small e.g. in comparison with multilayer dielectric filters, facilitating size reduction of the spectrometer assembly.... Viavi Solutions Inc

07/06/17 / #20170191871

Spectroscopic assembly and method

A spectrometer assembly is provided having an optical transmission filter including a stack of continuous, non-patterned alternating dielectric and metal layers. Angle-dependent transmission wavelength shift of the optical transmission filter with continuous metal layers is small e.g. in comparison with multilayer dielectric filters, facilitating size reduction of the spectrometer assembly.... Viavi Solutions Inc

06/29/17 / #20170186793

Metal mirror based multispectral filter array

A device may include a multispectral filter array disposed on the substrate. The multi spectral filter array may include a first metal mirror disposed on the substrate. The multi spectral filter may include a spacer disposed on the first metal mirror. The spacer may include a set of layers. The... Viavi Solutions Inc

06/29/17 / #20170186794

Dielectric mirror based multispectral filter array

An optical sensor device may include a set of optical sensors. The optical sensor device may include a substrate. The optical sensor device may include a multispectral filter array disposed on the substrate. The multispectral filter array may include a first dielectric mirror disposed on the substrate. The multispectral filter... Viavi Solutions Inc

06/22/17 / #20170180108

Using a two-way active measurement protocol to calculate one-way delay

A sender device may receive timing information corresponding to a two-way active measurement protocol (TWAMP) exchange associated with a virtual clock and a reflector clock. The virtual clock may be maintained by the sender device and corresponding to the reflector clock. The reflector clock may be maintained by a reflector... Viavi Solutions Inc

06/22/17 / #20170180726

Predictive network testing

The invention relates to a method and apparatus for evaluating a network and for predicting network performance for a higher order modulation by analyzing network signals modulated using a lower order modulation format. A margin index may be generated for the current or projected modulation formats based on displacement vectors... Viavi Solutions Inc

06/22/17 / #20170180309

Selective ip address allocation for probes that do not have assigned ip addresses

Systems and methods for managing communication in an IP network between a server and a probe that does not maintain an IP address by selectively restricting which IP addresses that are identified as active in the network may be borrowed for the probes. Restriction of IP addresses may include a... Viavi Solutions Inc

06/15/17 / #20170165713

Optical device having an illusive optical effect and fabrication

A method is provided for manufacturing an image on a substrate, wherein the image includes an indicia and a frame. The method includes covering at least a portion the substrate with a carrier comprising magnetically alignable flakes, aligning the magnetically alignable flakes with a magnetic field of a magnetic assembly... Viavi Solutions Inc

05/18/17 / #20170141986

Methods, systems, and computer program products for distributed packet traffic performance analysis in a communication network

Network packet traffic in a Long Term Evolution (LTE) network is analyzed by associating a micro network access agent with a single network element in the LTE network and performing packet traffic analysis for packet traffic processed by the single network element using the micro network access agent.... Viavi Solutions Inc

04/20/17 / #20170109095

High speed logging system

A method of storing log entries of events from a plurality of network elements in a communication network, comprising the steps of: a) receiving log entries at a control processor of events from a plurality of different elements positioned, the log entries grouped into threads based on a common purpose;... Viavi Solutions Inc

04/06/17 / #20170099209

Method of collecting information about test devices in a network

A method of collecting information about a plurality of test devices connected in a network is provided. The method includes: identifying routable network addresses within a plurality of the network addresses, and sending discovery packets to the plurality of routable network addresses, receiving responses from the test devices, obtaining the... Viavi Solutions Inc

03/30/17 / #20170087918

Security device

A color shifting security device has a Fabry-Perot type structure wherein a dielectric layer is disposed between a reflector and an absorbing layer. The absorber and reflector layers may be conforming and the dielectric layer therebetween is non-conforming, filling the regions in the micro structured adjacent absorbing or reflecting layer,... Viavi Solutions Inc

03/23/17 / #20170082874

Attenuated light beam peak frequency modification

According to an example, a plurality of pixels of a modulator upon which an input light beam impinges may be modulated to apply a first asymmetrical attenuation pattern on the input light beam and to direct a first attenuated light beam from the modulator and a first power level of... Viavi Solutions Inc

03/16/17 / #20170077988

Method and device for simultaneous upstream and downstream measurements in cable tv networks

A cable network tester includes separate ports for receiving downstream and upstream signals, and separate signal processing circuitry for parallel processing the downstream and upstream signals. Results of the upstream and downstream testing, including upstream and downstream frequency scans and other tests related to incoming subscriber services and home wiring... Viavi Solutions Inc

03/09/17 / #20170068025

Sensor device including one or more metal-dielectric optical filters

A sensor device including one or more sensor elements and one or more optical filters is provided. The one or more optical filters each include a plurality of dielectric layers and a plurality of metal layers stacked in alternation. The metal layers are intrinsically protected by the dielectric layers. In... Viavi Solutions Inc

03/02/17 / #20170056902

Method and orienting magnetic flakes

The invention relates to a method of aligning magnetic flakes, which includes: coating a substrate with a carrier having the flakes dispersed therein, moving the substrate in a magnetic field so as to align the flakes along force lines of the magnetic field in the absence of an effect from... Viavi Solutions Inc

03/02/17 / #20170059480

Identification using spectroscopy

A device may receive information identifying results of a spectroscopic measurement of an unknown sample. The device may perform a first classification of the unknown sample based on the results of the spectroscopic measurement and a global classification model. The device may generate a local classification model based on the... Viavi Solutions Inc

03/02/17 / #20170063429

Network test instrument with cable connection and signature testing

A test instrument can be coupled to a test point and measure signals in the network. The test instrument may determine whether the test instrument is connected to a cable of the network and provide notification if the test instrument is not connected to a cable. The test instrument may... Viavi Solutions Inc

03/02/17 / #20170063478

Network test instrument with testing session analysis

A test instrument can be coupled to a test point in a network and measure signals in the network that are received via a port connected to the test point. The test instrument may connect to the network via multiple test points. The measurements of the signals received through one... Viavi Solutions Inc

02/16/17 / #20170047366

Variable optical filter and a wavelength-selective sensor based thereon

A variable optical filter is disclosed including a bandpass filter and a blocking filter. The bandpass filter includes a stack of alternating first and second layers, and the blocking filter includes a stack of alternating third and fourth layers. The first, second and fourth materials each comprise different materials, so... Viavi Solutions Inc

02/09/17 / #20170037264

Magnetic multilayer pigment flake and coating composition

The present invention provides a magnetic multilayer pigment flake and a magnetic coating composition that are relatively safe for human health and the environment. The pigment flake includes one or more magnetic layers of a magnetic alloy and one or more dielectric layers of a dielectric material. The magnetic alloy... Viavi Solutions Inc

02/09/17 / #20170037264

Magnetic multilayer pigment flake and coating composition

The present invention provides a magnetic multilayer pigment flake and a magnetic coating composition that are relatively safe for human health and the environment. The pigment flake includes one or more magnetic layers of a magnetic alloy and one or more dielectric layers of a dielectric material. The magnetic alloy... Viavi Solutions Inc

02/09/17 / #20170038255

Optical filter and spectrometer

An optical assembly is disclosed including two laterally variable bandpass optical filters stacked at a fixed distance from each other, so that the upstream filter functions as a spatial filter for the downstream filter. The lateral displacement may cause a suppression of the oblique beam when transmission passbands at impinging... Viavi Solutions Inc

02/09/17 / #20170038305

In-situ spectral process monitoring

Increasing the precision of process monitoring may be improved if the sensors take the form of travelling probes riding along with the flowing materials in the manufacturing process rather than sample only when the process moves passed the sensors fixed location. The probe includes an outer housing hermetically sealed from... Viavi Solutions Inc

02/02/17 / #20170032946

Integrated anode and activated reactive gas source for use in a magnetron sputtering device

The invention relates to an integrated anode and activated reactive gas source for use in a magnetron sputtering device and a magnetron sputtering device incorporating the same. The integrated anode and activated reactive gas source comprises a vessel having an interior conductive surface, comprising the anode, and an insulated outer... Viavi Solutions Inc

01/26/17 / #20170023714

Durable optical interference pigment with a bimetal core

In a plurality of asymmetric color-shifting flakes, each flake has an asymmetric magnetic core with a magnetic layer visible on the first side of the core and a non-magnetic reflector layer on the magnetic layer, visible on the second side of the core. The flake has a spacer layer and... Viavi Solutions Inc

Patent Packs
01/19/17 / #20170019664

Dual-port testing of a cable network

A dual-port testing apparatus is provided for testing a cable network at two test points. The testing may comprise demodulation of a same data packet at the test points, decoding the data packet, performing spectral analysis of the signal, etc. Testing results may be correlated with one another, both visually... Viavi Solutions Inc

01/05/17 / #20170001216

System and forming an image on a substrate

A scanning laser having a wavelength compatible with a coating binder so as to cure it as the laser scans and irradiates the coating on a moving web. A system and method for curing flakes by providing a scanning laser which scans across a moving coated substrate in a magnetic... Viavi Solutions Inc








ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009



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This listing is an abstract for educational and research purposes is only meant as a recent sample of applications filed, not a comprehensive history. Freshpatents.com is not affiliated or associated with Viavi Solutions Inc in any way and there may be associated servicemarks. This data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Viavi Solutions Inc with additional patents listed. Browse our Agent directory for other possible listings. Page by FreshPatents.com

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