357 patents
Utility
High-speed hardware-based traffic analyzer integration with speed test control application
16 Jan 24
In some examples, high-speed hardware-based traffic analyzer integration with speed test control application may include receiving, from a speed test control application, speed test control instructions and data connection instructions to perform an upload and download high-speed test associated with network traffic for a network.
Hans-Joerg Wolf, Jyotikumar Menon, Anand Gajjala
Filed: 21 Apr 22
Utility
Mechanical transfer ferrule based optical switch
9 Jan 24
In some examples, a mechanical transfer ferrule based optical switch may include an optical fiber tube unit connectable to an end of an optical fiber.
Olivier Masselin, Alexandre Cebollada
Filed: 30 Dec 21
Utility
Optical interference filter
9 Jan 24
In some implementations, an optical interference filter includes a substrate; and a set of layers that are disposed on the substrate.
Jinhui Yang, Marius Grigonis, Georg J. Ockenfuss, Karen Denise Hendrix
Filed: 28 Sep 21
Utility
Frequency synthesizer using voltage-controlled oscillator (VCO) core of wideband synthesizer with integrated VCO
9 Jan 24
A frequency synthesizer employs a combination of a low divide ratio divider phase-locked loop (PLL) and a wide band, on-chip voltage-controlled oscillator (VCO).
Byung-Kuk An, Young-Joung Hong, Hyoung-Kyoun Park
Filed: 20 Dec 22
Utility
Test device for measuring synchronization errors between clusters in a cellular network
9 Jan 24
A test device may be a portable test device that can perform over the air measurements to determine synchronization errors between clusters in a cellular network.
Jong-Min Kim, Young-Kill Kim, Hyuck-In Kwon, Yoo-Chul Shin, Jae-Gab Lee
Filed: 15 Dec 21
Utility
Fano resonance based optical component of a security article
2 Jan 24
A security article includes an optical component that includes a plurality of optical channels with a Fano resonance characteristic.
William D. Houck
Filed: 12 May 21
Utility
Blending process end point detection
2 Jan 24
In some implementations, a device may identify, based on spectroscopic data, a pseudo steady state end point indicating an end of a pseudo steady state associated with the blending process.
Chang Meng Hsiung, Lan Sun, Michael Klimek
Filed: 27 Dec 21
Utility
Dual wavelength distributed temperature sensing with built-in fiber integrity monitoring
2 Jan 24
In some examples, a temperature distribution sensor may include a laser source to emit a laser beam that is tunable to a first wavelength and a second wavelength for injection into a device under test (DUT).
Andre Champavere
Filed: 30 Dec 21
Utility
Fiber-optic testing source and fiber-optic testing receiver for multi-fiber cable testing
2 Jan 24
According to examples, a fiber-optic testing source for testing a multi-fiber cable may include a laser source communicatively coupled to a plurality of optical fibers connected to a connector.
Joachim Lönne
Filed: 19 Apr 21
Utility
New Radio (NR) and long term evolution (LTE) signal concurrent testing
2 Jan 24
According to examples, NR and LTE signal concurrent testing may include ascertaining LTE synchronization data associated with an LTE signal, and ascertaining NR synchronization data associated with an NR signal.
Seung-Wan Seo, Hyuck In Kwon, Jae-Gab Lee, Jin-Ook Kim
Filed: 28 Oct 22
Utility
Mount for coupling an antenna alignment device to an antenna with non-planar external surface
2 Jan 24
An example mount may include a strap (or any other type of clamping mechanism) engaging with an external surface of an antenna.
Raleigh Benton Stelle, IV, Adam Woolsey
Filed: 23 Nov 21
Utility
Baseline correction and extraction of heartbeat profiles
19 Dec 23
A device may determine end-of-phase information for a plurality of wavelength channels of photoplethysmography (PPG) data.
Chang Meng Hsiung, Lan Sun, Marc K. Von Gunten
Filed: 30 Aug 22
Utility
Fiber optic cable location system and method
19 Dec 23
In some examples, fiber optic cable location may include transmitting a coherent laser pulse into a device under test (DUT).
Andre Champavere
Filed: 28 Oct 21
Utility
System for illuminating and viewing recessed angled surfaces
19 Dec 23
An optical system may include an objective lens system having a primary optical axis and a relay lens system having a relay optical axis.
Kevin Cassady
Filed: 31 Oct 22
Utility
Security ink based security feature
5 Dec 23
A security article may include a substrate.
Vladimir P. Raksha, Cornelis Jan Delst
Filed: 25 Jan 22
Utility
Optical time-domain reflectometer (OTDR) event detection and light power level measurement-based fiber optic link certification
5 Dec 23
In some examples, OTDR event detection and light power level measurement-based fiber optic link certification may include performing, at one end of a device under test (DUT) of a network, a light power level measurement.
Benoit Morel
Filed: 5 Nov 21
Utility
Reducing polarization dependent loss (PDL) in a grating-based optical spectrum analyzer (OSA)
28 Nov 23
A system for a high resolution optical spectrum analyzer (OSA) using various optical configurations to reduce polarization dependent loss (PDL) is disclosed.
Driss Touahri, Christopher Russell Wagner, Joshua Benjamin Julius Philipson
Filed: 28 May 21
Utility
Induced transmission filter comprising a plurality of dielectric layers and a plurality of metal layers associated with a drop in peak transmission in a passband from approximately 78% at an angle of incidence of approximately 0 degrees to approximately 70% at an angle of incidence of approximately 50 degrees
28 Nov 23
An optical filter may include a first group of layers.
Georg J. Ockenfuss
Filed: 13 May 22
Utility
Shaped reflector for coaxial illumination of non-normal surfaces
28 Nov 23
A microscope may receive a fiber optic connector via a connector adapter of the microscope, wherein the connector adapter includes an opening and a shaped reflective surface surrounding the opening.
Kevin Cassady, Jay Brace
Filed: 12 Mar 21
Utility
Techniques for reducing optical ghosts in a gratings-based optical spectrum analyzer (OSA)
21 Nov 23
A monochromator apparatus for an optical spectrum analyzer may include a diffraction grating, a rotatable oblique prism reflector element with a non-right-angle apex angle, and a mirror.
Driss Touahri, Christopher Russell Wagner, Luis Andre Neves Paiva Fernandes, Joshua Benjamin Julius Philipson
Filed: 27 Jun 22