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VIAV Viavi Solutions

APP
Utility
High Resolution Multi-pass Optical Spectrum Analyzer
21 Oct 21
A system for a high resolution optical spectrum analyzer (OSA) using an efficient multi-pass configuration is disclosed.
Driss TOUAHRI, Christopher Russell Wagner
Filed: 15 Apr 20
APP
Utility
Silicon-germanium Based Optical Filter
21 Oct 21
An optical filter may include a substrate.
Georg J. OCKENFUSS
Filed: 21 Jun 21
APP
Utility
Determining an End User Experience Score Based on Client Device, Network, Server Device, and Application Metrics
21 Oct 21
A device receives client delay metrics associated with a client device, network delay metrics associated with a network, server delay metrics associated with a server device, and application delay metrics associated with an application provided by the server device, wherein the client device and the server device communicate via the network.
Steven COHEN, Kallingal Sebas JAYANTH KISHOOR, Todd LANGE
Filed: 21 May 21
GRANT
Utility
Multispectral sensor response balancing
19 Oct 21
An optical filter may include a substrate.
William D. Houck, Steven Saxe
Filed: 20 May 20
GRANT
Utility
Optical security device based on a surface of revolution
19 Oct 21
An optical article printed on a substrate may include an organic binder; and a plurality of reflective magnetic platelets provided in the organic binder, wherein the plurality of reflective magnetic platelets are substantially aligned in accordance with at least part of a surface of revolution, and wherein the plurality of reflective magnetic platelets are aligned to cause a first reflective effect of the optical article when the substrate is rotated around a first axis and to cause a second reflective effect of the optical article when the substrate is rotated around a second axis, wherein the first reflective effect is different from the second reflective effect.
Vladimir P. Raksha, Cornelis Jan Delst
Filed: 30 Apr 20
GRANT
Utility
Method and apparatus providing optimized MPEG validation in a cable TV network
19 Oct 21
A method and test instrument for validating MPEG content in a CATV network, particularly one having a Remote PHY architecture.
Robert Flask, Loren R. Eggert
Filed: 9 Oct 20
APP
Utility
Optical Filter
14 Oct 21
In some implementations, an optical filter includes a first set of layers configured to pass light associated with a first wavelength range; a second set of layers configured to reflect light associated with at least one subrange of the first wavelength range; and a third set of layers configured to reflect light associated with a second wavelength range.
Georg J. OCKENFUSS, Christophe BOURREAU, Markus BILGER
Filed: 26 Mar 21
APP
Utility
Signal Leakage Monitoring Based Quality Control
14 Oct 21
In some examples, signal leakage monitoring based quality control may include measuring, by a signal leakage level detector, for a signal leak at a specified location, a signal leakage level.
Alvin R. RUTH, Raleigh Benton STELLE, IV
Filed: 10 Apr 20
GRANT
Utility
Multispectral filter
12 Oct 21
An optical filter may include a substrate, a first mirror that includes a first subset of layers of a set of layers, and a second mirror that includes a second subset of layers of the set of layers.
Georg J. Ockenfuss
Filed: 30 Jul 18
APP
Utility
Article Including a Stack of Alternating Layers
7 Oct 21
An article including a stack of layers of low refractive index layers and high refractive index layers, wherein the stack includes at least one low refractive index layer and at least two high refractive index layers; wherein at least one layer of the stack includes a composition comprising a carrier and at least one nanoparticle chosen from organic nanoparticles and inorganic nanoparticles is disclosed.
Alberto ARGOITIA, Johannes P. SEYDEL, Kangning LIANG
Filed: 6 Apr 20
APP
Utility
Article Including Two External Layers of Absorbing Nanoparticles
7 Oct 21
An article including two external layers of absorbing nanoparticles; and at least one refractive index layer chosen from a high refractive index layer and a low refractive index layer, in which the at least one refractive index layer is between the two external layers of absorbing nanoparticles is disclosed.
Alberto ARGOITIA, Johannes P. SEYDEL, Kangning LIANG
Filed: 6 Apr 20
GRANT
Utility
Sensor device
5 Oct 21
A multi-sensor device may perform an optical measurement using an optical sensor of the multi-sensor device, where the optical measurement is performed when a surface of the multi-sensor device is in contact with a human body.
William D. Houck, Marc K. Von Gunten
Filed: 14 Dec 18
GRANT
Utility
Calibration for an instrument (device, sensor)
5 Oct 21
A device may determine a calibration value for a spectrometer using light from a first light source; deactivate the first light source after determining the calibration value; perform measurement with regard to a sample based on the calibration value, wherein the measurement of the sample is performed using light from a second light source; determine that the calibration value is to be updated; and update the calibration value using the light from the first light source.
Curtis R. Hruska
Filed: 21 May 20
GRANT
Utility
Multispectral sensor based alert condition detector
5 Oct 21
An optical detector device may receive a spectroscopic measurement from a multispectral sensor.
William D. Houck
Filed: 2 Aug 19
GRANT
Utility
Mixed spacer multispectral filter
5 Oct 21
An optical filter may include a first mirror, a second mirror, and a spacer layer structure disposed between the first mirror and the second mirror.
James Switzer, III, Georg J. Ockenfuss
Filed: 22 May 17
GRANT
Utility
Method and instrument for OFDM leakage detection via correlation of OFDM pilot spectral lines
5 Oct 21
A leakage detection instrument may receive an electromagnetic signal radiated from a leakage location within a cable network system.
Brent Hoffman
Filed: 15 Jun 20
APP
Utility
Low Angle Shift Filter
30 Sep 21
An optical thin film filter may include a first set of filter layers with a first refractive index.
Georg J. OCKENFUSS
Filed: 19 Mar 21
APP
Utility
Quick Response (QR) Code Based Test Data Embedding and Transmission
30 Sep 21
In some examples, QR code based test data embedding and transmission may include obtaining, by a test data analyzer that is executed by at least one hardware processor, test data based on operation of a test device to measure a parameter associated with an optical fiber.
Charlène Roux, Pascal Donzel
Filed: 8 Jul 20
GRANT
Utility
Coating material sputtered in presence of argon-helium based coating
28 Sep 21
A sputtering system may include a substrate.
Andrew Clark, Georg J. Ockenfuss
Filed: 14 Aug 18
GRANT
Utility
Sensor device
28 Sep 21
A sensor device may determine a first optical sensor value associated with a first displacement and a second optical sensor value associated with a second displacement, wherein the first displacement is between an emitter associated with the first optical sensor value and a sensing location used to determine the first optical sensor value, wherein the second displacement is between an emitter associated with the second optical sensor value and a sensing location used to determine the second optical sensor value, and wherein the first displacement is different from the second displacement.
Valton Smith, William D. Houck, Curtis R. Hruska, Marc K. Von Gunten
Filed: 26 Mar 20
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