Dynamic adjustment of deployment location of software within a network
Granted: February 21, 2023
Patent Number:
11589243
Optimizing a performance of a software function withing a content distribution network, such as a software-implemented virtual cable modem termination system (CMTS) network, a virtualized Radio Access Network (vRAN), a Passive Optical Network (PON), or a Wi-Fi network. The performance may be optimized by dynamically changing a deployment location within the content distribution network for the software function from an original location to an updated location using an instance management…
Retaining legacy STB support with HFC plant migration to high split
Granted: February 21, 2023
Patent Number:
11589092
Propagating a downstream (DS) Out-of-Band (OOB) signal at a frequency receivable by a set of legacy set-top boxes (STBs) while supporting enhanced upstream peak data rates. At an input of an amplifier of a physical device, a portion of the DS-OOB signal is tapped to create a tapped DS-OOB signal, which comprises both the DS-OOB signal and all other downstream signals and channels sent from a head-end to a set of customer premises equipment (CPE) via the physical device. The tapped DS-OOB…
Unit-type strain wave gearing device
Granted: January 31, 2023
Patent Number:
11566695
A unit-type strain wave gearing device provided with a cross roller bearing that supports an internally toothed gear and an externally toothed gear in a state in which both gears can rotate relative to each other, and a meshing section of both gears is lubricated with grease. A gap by which the meshing section and the cross roller bearing raceway groove communicate is formed between the inner ring of the cross roller bearing and the external gear. Due to the pump effect caused by…
Compliant mechanism for improving axial load sensing in robotic actuators
Granted: January 3, 2023
Patent Number:
11541530
An embodiment includes an exoskeleton robotic system including: a first linkage; a bearing coupled to the first linkage; a joint including a motor configured to move the first linkage along the bearing; an axial load sensor configured to sense an axial force transmitted to the axial load sensor via the joint, the axial force including one of tension or compression but not torque; a bracket including first and second bracket locations and first and second arms; and a housing that includes…
Speed reducer
Granted: December 6, 2022
Patent Number:
D971978
RF power amplifier performance by clipping prevention of large PAPR signals
Granted: November 15, 2022
Patent Number:
11502648
Preventing RF signal distortion and signal error producing memory events in a Radio Frequency (RF) power amplifier (RFPA). An element, disposed prior to the Radio Frequency (RF) power amplifier (RFPA) in a signal path of a RF signal input to the RFPA, may enforce a maximum allowable amplitude in a high PAPR instantaneous high peak of the RF signal. An element may also increase or supplement a bias of the Radio Frequency (RF) power amplifier (RFPA) when a high PAPR instantaneous high peak…
Shield board
Granted: November 1, 2022
Patent Number:
11487692
An embodiment includes a system comprising: a first shield board that includes first and second connectors; wherein the first connector of the first shield board is configured to communicate with a first connector of a second shield board via a cable; wherein the first shield board has connectors configured to directly couple to connectors of a first base board; wherein the first shield board is configured to communicate data and power to the second shield board via the first connector…
Wave generator for strain wave gearing
Granted: November 1, 2022
Patent Number:
11486481
In a wave generator for a strain wave gearing, a plug outer peripheral surface of a rigid wave plug has a non-circular profile and is fixed to an inner-race inner peripheral surface of a wave bearing by press-fitting and using an adhesive. The plug outer peripheral surface is a groove formation surface in which microgrooves are formed as adhesive-retaining grooves that can retain the adhesive. When the wave plug is press-fitted into the wave bearing, the amount of adhesive that is…
Distributed scheduling in remote PHY
Granted: October 11, 2022
Patent Number:
11469938
Performing distributed Remote PHY scheduling operations. A low latency scheduler is disposed within or in proximity to a Remote PHY node. Upon identifying that a particular data flow qualifies for processing by the low latency scheduler, the low latency scheduler performs upstream Remote PHY scheduling operations for the particular data flow using a one or more dedicated channels that are designated as low latency channels. The Remote PHY upstream scheduling operations define when data…
CATV equipment fast boot after power interruption
Granted: September 13, 2022
Patent Number:
11445247
Recovering a hardware component, such as a Remote MACPHY node (RMN), a wireless base station, a CATV amplifier, a Wi-Fi hotspot, a microcell, or a PON switch, after a power interruption. A hardware component, upon detecting that input power to the R-PHY device will be imminently interrupted, provides an alarm signal to a central processing unit (CPU) in the R-PHY device. The CPU, in response to receiving the alarm, stores running parameter data for the R-PHY device in a non-volatile…
Leveraging actual cable network usage
Granted: September 13, 2022
Patent Number:
11444863
Determining a bit rate at which to deliver a packet stream over a network link. An origin device transmits over the network link unsolicited data packets to a destination device while contemporaneously transmitting over the network link a first packet stream encoded at an initial bit rate to the destination device. The origin device may be, but need not be, a content delivery network (CDN) edge node and the destination device may be, but need not be, a cable modem (CM). The origin device…
Hollow strain-wave gear device
Granted: September 13, 2022
Patent Number:
11441660
A hollow strain-wave gear device (1) has a wave generator (5), a wave generator plug (5a) of which is integrally formed in a portion of a hollow rotating shaft (6). A plug reinforcement part (5d), which is adjacent to the wave generator plug (5a), has a thickness larger than that of the wave generator plug (5a), and is integrally formed in the hollow rotating shaft (6). The wave generator plug (5a) is reinforced by the highly rigid plug reinforcement part (5d) formed adjacently to the…
Rotation transmission mechanism provided with strain wave gearing
Granted: September 13, 2022
Patent Number:
11441650
In a rotation transmission mechanism that transmits the rotational driving force of a motor to a load-side member via a speed reducer, a strain wave gearing is used as the speed reducer, and the allowable load torque of members in the powertrain other than the strain wave gearing is greater than a predetermined upper-limit load torque. The allowable load torque of the strain wave gearing is dictated by the ratcheting torque, which is set so as not to exceed the upper-limit load torque.…
High availability and software upgrades in a virtual cable modem termination system
Granted: May 3, 2022
Patent Number:
11321200
A Cable Modem Termination System (CMTS) providing high speed data services to one or more remote physical devices (RPDs). The CMTS executes entirely upon a plurality of protection groups. Each of the plurality of protection groups consists of a plurality of pods. A dynamic adjustment may be made as to which pods in a particular protection group are active. The dynamic adjustment is made response to determining that a particular protection group is experiencing a failure. This…
R-PHY node with UPS to address cable service interruptions due to short power interruptions
Granted: May 3, 2022
Patent Number:
11320882
A Remote PHY (R-PHY) node having a specialized Uninterruptible Power Supply (UPS). A R-PHY node comprises a coaxial cable input, one or more Remote PHY (R-PHY) devices, a node power supply designed to supply an entirety of the R-PHY node with power continuously while there is Quasi Square Wave (QSW) AC power supplied to the R-PHY node over the coaxial cable input, and an UPS for supplying power to either the entirety of the R-PHY node or a set of the one or more R-PHY devices when the…
Method for lubricating strain wave gearing
Granted: May 3, 2022
Patent Number:
11320041
When a strain wave gearing is used in an application for an operation of repeating startup/stopping, an outer-side lubrication portion and an inner-side lubrication portion, which are lubricated using different types of grease, remain in a communicating state without being divided using a seal member or the like. The outer-side lubrication portion is supplied with a much smaller amount of grease than the amount that would be required if used in an application such as a steady operation.…
Strain wave gearing having unit structure
Granted: May 3, 2022
Patent Number:
11320034
A cup-type strain wave gearing having a unit structure and having: a stationary-side part including a unit housing and an internally toothed gear; a driving-side part including an output member and an externally toothed gear; and a sliding bearing supporting the stationary-side part and the driving-side part in the radial direction and the thrust direction in a state in which relative rotation is possible. The sliding bearing has a cylindrical bushing accommodated in a radial gap, and…
Dual-type strain wave gearing
Granted: March 22, 2022
Patent Number:
11280370
An externally toothed gear of a dual-type strain wave gearing is provided with first and second external teeth having different teeth numbers, and a gap formed between these teeth as a cutter clearance area for tooth cutters. Where L1 is the maximum width of the gap, t1 is a depth from the tooth top land of the first external teeth to the deepest part of the gap, h1 is the tooth depth of the first external teeth, t2 is a depth from the tooth top land of the second external teeth to the…
Frequency selective RF directional coupler
Granted: March 15, 2022
Patent Number:
11276913
A directional coupler having coupling variability at separate portions of an operational frequency band. A frequency selective coupler comprises an input port, an output port, a coupled port, a termination port, a first RF filter coupled to the coupled port, and a second RF filter coupled to the termination port. The first and second RF filters yield a first coupling value at a first portion of the operational frequency band of the coupler and a second coupling value at a second portion…
Aeronautical band leakage assessment in high split HFC plant
Granted: March 8, 2022
Patent Number:
11271650
Propagating a leakage test signal at a frequency receivable by traditional leakage test systems while supporting enhanced upstream peak data rates. At an input of an amplifier of a device, a portion of the leakage test signal is tapped to create a tapped signal, which comprises both the leakage test signal and all other downstream signals and channels sent from a head-end to a set of customer premises equipment (CPE) via the device. The tapped signal is introduced to a filter that passes…
