Dynamically adjusting DOCSIS port utilization
Granted: July 14, 2020
Patent Number:
10715346
Dynamically adjusting upstream and/or downstream spectrum usage by a Remote PHY node. Cable modem association information for a Remote PHY node is dynamically determined remotely from across a network. The association information identifies which cable modems serviced by the Remote PHY node are physically connected to each of the Remote PHY node ports. Remote PHY node ports are remotely and dynamically assigned to upstream device port and/or downstream device port of a Remote PHY device…
Increasing the dynamic range of a digital to analog converter (DAC)
Granted: July 14, 2020
Patent Number:
10715170
Increasing a dynamic range of a digital to analog converter (DAC). A signal analysis element is positioned prior to the DAC in a processing path. The element evaluates an instantaneous amplitude of a signal to be applied to the DAC. The DAC is capable of a first full scale value. An additional current source supports a second full scale value of the DAC, which is greater than the first full scale value. Upon the element determining that a condition is not satisfied, the element employs…
System and method for feedback based traffic management
Granted: June 30, 2020
Patent Number:
10700983
A communication system that may include a traffic management module and a communication interface module. The communication interface module is arranged to: estimate a status of multiple channels by utilizing hardware channel status estimators, generate filler packets in response to the status of the multiple channels; wherein the filler packets are associated with the multiple channels; send the filler packets to the traffic management module. The traffic management module is arranged…
Strain wave gearing
Granted: May 19, 2020
Patent Number:
10655721
An internal contact part of a wave generator of a strain wave gearing, a contact part between an externally toothed gear and the wave generator, and tooth surface parts are lubricated by a lubricating fine powder. When the strain wave gearing is in operation, the lubricating fine powder is supplied to the internal contact part and the contact part by a first powder guide that rotates integrally with the wave generator. Having passed through these sections, the lubricating fine powder is…
Strain wave gearing and wave generator
Granted: April 28, 2020
Patent Number:
10634230
A wave generator of a flat-type strain wave gearing has an insertion member disposed between two wave bearings. The insertion member is pressed into an elliptical outer peripheral surface of a plug and is fixed thereto by an adhesive. An inner ring contact part of the insertion member is in contact with inner rings of the wave bearings from the direction of a center axis. When the flat-type strain wave gearing is in an operating state, the wave bearings can be prevented from moving…
CATV Equipment fast boot after power interruption
Granted: April 14, 2020
Patent Number:
10623814
Recovering a Remote PHY (R-PHY) device 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 memory. The running parameter data is normally obtained through network communications during a boot operation of the R-PHY…
Virtual CCAP downstream traffic scheduling
Granted: April 7, 2020
Patent Number:
10616126
Scheduling of packets to be forwarded onto DOCSIS downstream channels as part of a Virtual Converged Cable Access Platform (CCAP). A packet to be forwarded onto a DOCSIS downstream channel is enqueued in a service flow queue. The packets stored in the service flow queue are associated with a single service flow. A request is propagated up a hierarchy of schedule elements to a scheduler process to schedule the packet for delivery. The scheduler process determines a grant of how much…
Virtual converged cable access platform (CCAP) core
Granted: April 7, 2020
Patent Number:
10616000
Approaches for a virtualized Cable Modem Termination System (CMTS) for providing high speed data services to a remote physical device (RPD). The virtualized Cable Modem Termination System (CMTS) comprises a core routing engine (CRE) for performing packet switching and routing and one or more physical or virtual compute servers (CS) that each perform CMTS functions for the one or more remote physical devices (RPDs). The core routing engine may comprise one or more core routing engine…
Detecting imminent failure in a power supply
Granted: March 24, 2020
Patent Number:
10599201
Detecting an imminent failure of a power supply. An internal computerized component periodically reads a set of measurements from one or more sensors affixed to a power supply. The internal computerized component and power supply may reside in a variety of different technical contexts, such as a Remote PHY node. The internal computerized component analyzes the set of measurements using, at least in part, a weighted set of factors, to detect the imminent failure in the power supply. The…
Encoding/transcoding based on subjective video quality preferences
Granted: March 17, 2020
Patent Number:
10595028
Approaches for encoding/transcoding of digital video based on subjective video quality preferences or display device characteristics or capabilities. A set of esthetic digital video preferences are received from a user via a user interface. The user may be associated with a supplier or provider of digital video or may be a viewer of the digital video. A video quality profile that describes the set of esthetic digital video preferences or the characteristics or capabilities of a display…
Digital compensation for RF imperfections of a system composed of multiple modules
Granted: February 11, 2020
Patent Number:
10560305
Approaches for compensating for RF imperfections in a system that comprises two or more independent modules. The two or more independent modules may be comprised within a remote PHY node (RPN). RF calibration data is stored in one or more non-volatile mediums for two or more independent modules. Each of the two or more independent modules are electronically coupled in a sequence via a transmission medium. A first independent module digital compensates a RF signal for a set of two or more…
Wave generator and strain wave gearing
Granted: February 11, 2020
Patent Number:
10557539
A wave generator of a strain wave gearing has a rigid plug provided with an elliptical outer peripheral surface, and a roller bearing. The outer peripheral surface of the plug is provided with a major-axis-side outer-peripheral surface portion formed at a major axis position L1, and a minor-axis-side outer-peripheral surface portion formed at a minor axis position L2. The major-axis-side outer-peripheral surface portion is a tapered surface that is tapered along a center axis line, and…
Adaptive pre-filtering based on video complexity, output bit rate, and video quality preferences
Granted: February 4, 2020
Patent Number:
10554972
Approaches for dynamic pre-filtering of digital video based on video complexity and output bit rate. An adaptive video preprocessor determines a current video complexity of the digital video and an output bit rate. Thereafter, the adaptive video preprocessor dynamically updates the strength of one or more preprocessing filters based on the current video complexity and the output bit rate for the digital video. The adaptive video preprocessor may update the strength of a preprocessing…
Namespace routing
Granted: January 7, 2020
Patent Number:
10530677
A network element employing multiple namespaces in performing IP packet routing. The network element maintaining two or more namespaces. A first namespace corresponds to an in-band network domain and a second namespace corresponds to an out-of-band network domain. The network element performing IP packet routing over the in-band network domain and the out-of-band network domain using said two or more namespaces. Embodiments allow operators to more easily implement separate routing tables…
Strain wave gearing device
Granted: December 17, 2019
Patent Number:
10508729
A strain wave gearing device has a grease temperature control mechanism for controlling the grease temperature of a portion of grease, of the grease filled inside an externally toothed gear of the strain wave gearing device, the portion of the grease being disposed on the outer peripheral side portion of a wave generator. The grease temperature control mechanism has a circular heater facing the outer peripheral side portion of the wave generator over the entire circumference from a…
Fastening structure for flexible externally toothed gear of strain wave gearing and shaft member
Granted: December 17, 2019
Patent Number:
10508726
A boss-side fastening surface formed in a boss of a flexible externally toothed gear of a strain wave gearing and a shaft-side fastening surface of an output shaft are coaxially fastened with bolts. The boss-side fastening surface is a convex-side fastening surface defined by two symmetrical inclined surfaces that are intersected at a prescribed angle to form a ridge line on a diameter line of the surface. The shaft-side fastening surface is a concave-side fastening surface defined by…
Resource aware video processor
Granted: December 10, 2019
Patent Number:
10506266
Approaches for dynamically allocating CPU cycle resources to a video encoder. A resource allocator assesses an amount of available CPU cycle resources on the hardware device on which it executes. The resource allocator determines that a change in the amount of available CPU cycle resources has occurred. The resource allocator, adjusts, in real-time, which particular cycle profile, in a plurality of cycle profiles, is assigned to at least one of a plurality of video modules. The plurality…
Power saving by configurable adjustment of power amplifier
Granted: December 10, 2019
Patent Number:
10505499
Configurable adjustment of a power amplifier bias for a power amplifier. The power amplifier may be comprised within a variety of different apparatuses, such as without limitation a remote PHY node, a remote MACPHY node, and a wireless communication device. A processing unit, disposed within an apparatus, instructs an electrical circuit, also disposed within said apparatus, to change an RF signal output power carrying capability of the power amplifier based on a configuration. The…
Smart small form-factor pluggable (SFP) transceiver
Granted: December 10, 2019
Patent Number:
10504482
Approaches for processing video in a smart small form-factor pluggable (SFP) transceiver. The smart SFP transceiver may dynamically select, from a plurality of codecs available to the smart SFP transceiver, an appropriate codec for use in processing the video prior to the video being transmitted over a link. The selection of the codec may be based, at least in part, on assessed environmental attributes. The smart SFP transceiver may then use the codec selected by the smart SFP…
Dynamically adjusting load on an over-the-top (OTT) delivery network
Granted: December 3, 2019
Patent Number:
10498655
Dynamically managing an operation of a content delivery network (CDN) to address excessive load upon an upload link for updating data thereto and/or upon particular portions of the CDN. A network optimizer may receive bit rate utilization data that identifies a current bit rate amount being utilized by the upload link and what digital video data is being uploaded to the CDN thereon. The network optimizer may also receive, from an analytic server, consumption information about the current…
