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公开(公告)号：US20220317716A1
公开(公告)日：2022-10-06
申请号：US17849216
申请日：2022-06-24
摘要： Methods of powering a radio that is mounted on a tower of a cellular base station are provided in which a direct current (“DC”) power signal is provided to the radio over a power cable and a voltage level of the output of the power supply is adjusted so as to provide a substantially constant voltage at a first end of the power cable that is remote from the power supply. Related cellular base stations and programmable power supplies are also provided.
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公开(公告)号：US10833529B2
公开(公告)日：2020-11-10
申请号：US16340673
申请日：2017-10-05
摘要： Systems and methods for high efficiency power conversion are provided. In one embodiment, a high efficiency electric power converter circuit comprises: an electric power converter that provides a first electric power output; a storage device that provides a second electric power output; and a power arbitrating switch that receives the first and second electric power outputs and selectively supplies a third electric power output using at least one of the first electric power output and the second electric power output. The switch is configured with a first sensor to measure a charge level of the device and with a second sensor to measure a power demand drawn from the third electric power output. The power arbitrating switch switches the third electric power output between being supplied from the first electric power output and being supplied from the second electric power output based on the power demand and the charge level.
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3.发明申请公开(公告)号：US20200186248A1
公开(公告)日：2020-06-11
申请号：US16792712
申请日：2020-02-17
摘要： A space-division multiplexed optical fiber includes a relatively high refractive index optical core region surrounded by alternating regions of relatively low and relative high refractive index material, forming concentric high index rings around the core. The optical core region supports propagation of light along at least a first radial mode associated with the optical core region and a high index ring region supports propagation of light along at least a second radial mode associated with the high index ring region. The second radial mode is different from the first radial mode.
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公开(公告)号：US10567080B2
公开(公告)日：2020-02-18
申请号：US15996018
申请日：2018-06-01
摘要： A space-division multiplexed optical fiber includes a relatively high refractive index optical core region surrounded by alternating regions of relatively low and relative high refractive index material, forming concentric high index rings around the core. The optical core region supports propagation of light along at least a first radial mode associated with the optical core region and a high index ring region supports propagation of light along at least a second radial mode associated with the high index ring region. The second radial mode is different from the first radial mode.
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公开(公告)号：US20190182073A1
公开(公告)日：2019-06-13
申请号：US16280076
申请日：2019-02-20
IPC分类号： H04L12/28 , H04L12/64 , H04H20/78 , H04N7/20 , H04B10/64 , H04B3/36 , H04L12/10 , H04B7/06 , H04N21/61
CPC分类号： H04L12/2889 , H04B3/36 , H04B7/0617 , H04B10/25751 , H04B10/64 , H04H20/78 , H04L12/10 , H04L12/2861 , H04L12/2885 , H04L12/2898 , H04L12/6418 , H04L2012/6421 , H04N7/20 , H04N21/6106 , H04Q11/0067
摘要： Directional wireless drop systems are provided. These systems include a tap unit that is connected to a communications line of the broadband network; a cable modem unit connected to the tap unit; a plurality of wireless routers connected to the cable modem unit; and a directional antenna unit that is connected to at least a first of the wireless routers. Each wireless router is associated with a respective one of a plurality of subscriber premises that are served by the directional wireless drop system and is configured to communicate with at least one device that is located at the respective one of plurality of subscriber premises.
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公开(公告)号：US12072721B2
公开(公告)日：2024-08-27
申请号：US18350881
申请日：2023-07-12
CPC分类号： G05F1/46 , G01R19/2513 , G01R27/16 , H02H9/045 , H04W4/80 , H02H9/041 , H04W88/08 , Y02D30/70
摘要： Methods of powering a radio that is mounted on a tower of a cellular base station are provided in which a direct current (“DC”) power signal is provided to the radio over a power cable and a voltage level of the output of the power supply is adjusted so as to provide a substantially constant voltage at a first end of the power cable that is remote from the power supply. Related cellular base stations and programmable power supplies are also provided.
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公开(公告)号：US11139683B2
公开(公告)日：2021-10-05
申请号：US17091082
申请日：2020-11-06
摘要： Systems and methods for high efficiency power conversion are provided. In one embodiment, a high efficiency electric power converter circuit comprises: an electric power converter that provides a first electric power output; a storage device that provides a second electric power output; and a power arbitrating switch that receives the first and second electric power outputs and selectively supplies a third electric power output using at least one of the first electric power output and the second electric power output. The switch is configured with a first sensor to measure a charge level of the device and with a second sensor to measure a power demand drawn from the third electric power output. The power arbitrating switch switches the third electric power output between being supplied from the first electric power output and being supplied from the second electric power output based on the power demand and the charge level.
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公开(公告)号：US11115735B2
公开(公告)日：2021-09-07
申请号：US16617852
申请日：2018-05-30
发明人： Olivier Hubert Daniel Yves Rousseaux , Joseph Christopher Coffey , David James Mather , John Charles Chamberlain , Erik J. Gronvall , Peter Merlo
摘要： Switching technology may be incorporated into various systems, components, and/or architectures in a fiber optic network to promote network reconfigurability and design flexibility. A signal access unit comprises an input, an output, an access port, a switch arrangement including a switch, and a controller. The switch optically couples the input to the output and not to the access port when in a first configuration, and optically couples the access port to at least one of the input and the output without optically coupling the input and the output together when in a second configuration. The controller is configured to receive an indication of a selected wavelength and to operate the switch arrangement to change the switch between the first and second configurations based on the indication of the selected wavelength.
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公开(公告)号：US20210075510A1
公开(公告)日：2021-03-11
申请号：US17027022
申请日：2020-09-21
摘要： A space-division multiplexed optical fiber includes a relatively high refractive index optical core region surrounded by alternating regions of relatively low and relative high refractive index material, forming concentric high index rings around the core. The optical core region supports propagation of light along at least a first radial mode associated with the optical core region and a high index ring region supports propagation of light along at least a second radial mode associated with the high index ring region. The second radial mode is different from the first radial mode.
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公开(公告)号：US10782720B2
公开(公告)日：2020-09-22
申请号：US16380921
申请日：2019-04-10
摘要： Methods of powering a radio that is mounted on a tower of a cellular base station are provided in which a direct current (“DC”) power signal is provided to the radio over a power cable and a voltage level of the output of the power supply is adjusted so as to provide a substantially constant voltage at a first end of the power cable that is remote from the power supply. Related cellular base stations and programmable power supplies are also provided.
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