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公开(公告)号：US20250093580A1
公开(公告)日：2025-03-20
申请号：US18634484
申请日：2024-04-12
Applicant: VIAVI Solutions Inc.
Inventor： William D. HOUCK , Amy FOSTER , Mark FOSTER , Aaron SCHREYER-MILLER , Neil MACFARLANE
Abstract: A photonic element includes a substrate; a plurality of layers disposed in a stack configuration in a first direction on the substrate; and a first optical transmission component, a second optical transmission component, a third optical transmission component, and a fourth optical transmission component. The first optical transmission component includes two optical transmission structures that are disposed in a first layer, the second optical transmission component includes two optical transmission structures that are disposed in a second layer, the third optical transmission component includes two optical transmission structures that disposed in a third layer, and the fourth optical transmission component includes two optical transmission structures that are disposed in a fourth layer. The second layer and the third layer are each disposed between the first layer and the fourth layer in the stack configuration.
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公开(公告)号：US20250087876A1
公开(公告)日：2025-03-13
申请号：US18464586
申请日：2023-09-11
Applicant: Viavi Solutions Inc.
Inventor： Raleigh B. STELLE, IV , Thomas SEVILLA
Abstract: Multiple and diverse sensors may be used for antenna monitoring devices. MEMS sensors, electrolytic tilt sensors, thermal mass accelerometers, and/or any other types of tilt sensors may be used. Out of the multiple, diverse tilt sensors, a first sensor (or a first set of sensors) may be used for a first measurement and a second sensor (or a second set of sensors) may be used for augmenting or validating the first measurement. As another example, the second sensor (or the second set of sensors) may be used for correcting errors in the first measurement.
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公开(公告)号：US12244982B2
公开(公告)日：2025-03-04
申请号：US17817808
申请日：2022-08-05
Applicant: VIAVI SOLUTIONS INC.
Inventor： David Hering , Karl Oberlin , Koji Okamoto
IPC: H04Q11/00 , H04B10/079 , H04L49/356
Abstract: Mapping of ports to other network components is generated by physically bending a fiber optic cable and then determining which optical network terminals experience a signal power loss (or receive attenuated signals) based on the bending. The physical bending can be done using a bending tool and the optical network terminals that experience the signal power loss can be identified using a back-end database operation. Generally, the correspondence between the physical bending and the power loss at the downstream components and or upstream components of the network is used to create the mapping of the ports at the splitter level.
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公开(公告)号：US12243887B2
公开(公告)日：2025-03-04
申请号：US17247589
申请日：2020-12-17
Applicant: VIAVI Solutions Inc.
Inventor： Georg J. Ockenfuss
IPC: H01L27/146 , G01J1/04 , G01J3/12 , G01J3/26 , G01J3/28 , G01J3/36 , G01J5/02 , G01J5/0802 , G01J5/0808 , G01J5/0831 , G02B5/20 , G02B5/26 , G02B5/28 , H01L31/0216
Abstract: 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 first thickness. A second spacer, of the plurality of spacers, may be associated with a second thickness that is different from the first thickness. A first channel corresponding to the first spacer and a second channel corresponding to the second spacer may be associated with a separation width of less than approximately 10 micrometers (μm). The filter array may include a second mirror disposed on the plurality of spacers.
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15.发明申请公开(公告)号：US20250066187A1
公开(公告)日：2025-02-27
申请号：US18456222
申请日：2023-08-25
Applicant: Viavi Solutions Inc.
Inventor： Thomas SEVILLA , Raleigh B. STELLE, IV
IPC: B81B7/00
Abstract: Temperature stabilization systems and methods for MEMS sensors are disclosed. In an example, a temperature stabilization system may include heating and or cooling components within a printed circuit board (PCB) that holds a MEMS sensor. For example, a resistance heating wire can be used as a heating component and a Peltier device may be used as a heating and or a cooling component. Temperature sensors may be placed on the MEMS sensor itself and or the external environment and the measurements from the temperature sensors can be used to run a feedback loop to the keep the MEMS sensors within a desired temperature range through the use of the heating and or the cooling components.
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Patent Agency Ranking
公开(公告)号：US12231927B2
公开(公告)日：2025-02-18
申请号：US17851455
申请日：2022-06-28
Applicant: VIAVI Solutions Inc.
Inventor： Pablo Perez Lara , John Dominic Wilson
Abstract: Method for variable arbitrary resampling that allows a base station test system to correct for sampling frequency errors relative to the base station. An output time calculation module obtains the required output sample times depending on the resampling rate, which can be tuned as needed. An input sample counter module counts the last input sample loaded into a polyphase interpolator, which can calculate any of M interpolated samples between two consecutive input samples. The polyphase interpolator uses the integer part of the required output sample times to decide what interpolated samples to calculate. A sequencer module compares the calculated output times against the input sample count to control all the blocks of the variable arbitrary resampler and determine if the output of the polyphase interpolator is a valid sample. Valid samples are transferred to other subsystems, such as a digital-to-analog data converter or another signal processing module.
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公开(公告)号：US12224794B2
公开(公告)日：2025-02-11
申请号：US18476617
申请日：2023-09-28
Applicant: VIAVI SOLUTIONS INC.
Inventor： Benoit Morel
IPC: H04B10/071 , H04B10/079 , H04B10/27
Abstract: 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. An OTDR measurement may be performed at the one end of the DUT to detect at least one event associated with the DUT. Based on analysis of the light power level measurement and the OTDR measurement, an event classification may be generated to classify the at least one event associated with the DUT.
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公开(公告)号：US12220214B2
公开(公告)日：2025-02-11
申请号：US18507273
申请日：2023-11-13
Applicant: VIAVI Solutions Inc.
Inventor： Chang Meng Hsiung , Lan Sun , Marc K. Von Gunten
Abstract: A device may determine end-of-phase information for a plurality of wavelength channels of photoplethysmography (PPG) data. The device may calculate a set of baseline correction points for each wavelength channel of the plurality of wavelength channels. The set of baseline correction points may be calculated based on end-of-phase information for a wavelength channel of the plurality of wavelength channels and PPG data associated with the wavelength channel. The device may perform a baseline correction for each wavelength channel of the plurality of wavelength channels. A baseline correction may be performed for the wavelength channel based on the set of baseline correction points associated with the wavelength channel and the PPG data associated with the wavelength channel. The device may generate a baseline corrected heartbeat profile using a principal component analysis of a result of baseline correcting each wavelength channel of the plurality of wavelength channels.
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19.发明授权公开(公告)号：US12218710B2
公开(公告)日：2025-02-04
申请号：US17581376
申请日：2022-01-21
Applicant: Viavi Solutions Inc.
Inventor： Loren R. Eggert , Daniel K. Chappell
Abstract: A method, apparatus and system for per-channel MER calibration and determination on a multi-channel receiver.
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公开(公告)号：US12196867B2
公开(公告)日：2025-01-14
申请号：US17663960
申请日：2022-05-18
Applicant: Viavi Solutions Inc.
Inventor： Scott Pettygrove , Raleigh Benton Stelle, IV
Abstract: An antenna alignment apparatus may include magnetic field sensors as an alternative to or in addition to GNSS sensors. The magnetic field sensors may measure the earth's magnetic fields at corresponding locations, and a processor may use the measurements to calculate at least one of a roll, tilt, or azimuth of an antenna. A declination based on GNSS based alignment and magnetic field sensor alignment may be stored for an adjustment of magnetic field sensor based azimuth calculations. For an optical alignment, the antenna alignment apparatus may, additionally or alternately, include a reference object (e.g., a printed mark or a physical stud) located within a field of view of a camera. A location of the reference object may indicate the alignment of the antenna vis-à-vis the structures within the field of view.
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