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…
Increasing ADC dynamic range by time domain selective cancellation of predictable large PAPR signals
Granted: March 1, 2022
Patent Number:
11265198
Increasing an analog to digital converter (ADC) dynamic range for a communications device. In the communications device, a reference threshold is established for a peak to average power ratio (PAPR) improvement factor for RF signals received by the communications device. A digital to analog converter (DAC) adjustment factor is established for a DAC to account for inaccuracies of a pre-cancellation DAC and fine tuning of an analog gain of received RF signals. A peak amplitude separation…
Multiple core software forwarding
Granted: December 28, 2021
Patent Number:
11212590
Approaches for performing all DOCSIS downstream and upstream data forwarding functions using executable software. DOCSIS data forwarding functions may be performed by classifying one or more packets, of a plurality of received packets, to a particular DOCSIS system component, and then processing the one or more packets classified to the same DOCSIS system component on a single CPU core. The one or more packets may be forwarded between a sequence of one or more software stages. The…
Cloud infrastructure supporting deliverance of customized tv channels by video services
Granted: December 21, 2021
Patent Number:
11206440
Creating a customized channel of content. A cloud infrastructure receives digital content, such as television show, advertisement, and the like, transmitted over an Internet Protocol (IP) network from a local broadcaster or channel owner. A plurality of formatted versions of the digital content is stored in a content repository in the cloud infrastructure. Each of the plurality of formatted versions differs from the others based on one or more of: an encoded bit rate, resolution, and…
Virtual converged cable access platform (CCAP)
Granted: November 16, 2021
Patent Number:
11177980
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). A combination of the core routing engine (CRE) and the one or more…
Unit-type strain wave gearing
Granted: November 9, 2021
Patent Number:
11168775
In a unit-type strain wave gearing, a rotating-side member, which is constituted by a second internally toothed gear and an output shaft is supported, via a first sliding bearing and a second sliding bearing, on a fixed-side member so as to be capable of relative rotation, the fixed-side member being constituted by a unit housing and a first internally toothed gear. Sliding bearing surfaces of the first sliding bearing and sliding bearing surfaces of the second sliding bearing are…
Using web-based protocols to assist graphic presentations in digital video playout
Granted: October 26, 2021
Patent Number:
11158348
Playing out digital video with customized graphics whose appearance and operation are specified by a graphics template expressed using one or more web-based protocols. One or more software modules, executing on a media server, identify, for a particular digital video, a markup language document which describes a customized appearance of one or more graphics to be incorporated into a presentation of particular digital video. The markup language document may be an Extensible Markup…
Actuator for physical therapy
Granted: October 19, 2021
Patent Number:
11147731
A robotic system comprising: a joint coupling a linkage to an additional linkage; and at least one cable; wherein the joint includes a motor having a shaft, a strain wave gear having a flexible member coupled to a circular spline, a conduit, and a bearing; wherein the motor is configured to rotate the shaft in a first direction and the strain wave gear is configured to rotate a rotatable member, the rotatable member including one of the flexible member or the circular spline; wherein the…
Bracket for strand mounted CATV outdoor equipment
Granted: October 12, 2021
Patent Number:
11146052
Approaches for bracket for strand mounted CATV outdoor equipment. The bracket comprises a body having a first end and a second end opposing the first end. The first end comprises one or more resting hooks sized to be positioned over a strand. The resting hooks allow for resting the CATV outdoor equipment temporarily onto the strand in a position that readily accommodates the permanent attachment of the CATV outdoor equipment to the strand. The first end of the bracket also comprises a…
Strain wave gearing
Granted: October 12, 2021
Patent Number:
11143283
A strain wave gearing has a wave generator which flexes an externally toothed gear in a radial direction to form meshing portions thereof with an internally toothed gear in positions that are separated along a circumferential direction of the externally toothed gear. When the wave generator rotates, the meshing portions move in the circumferential direction. Non-meshing regions are formed in part of the meshing portions along the tooth trace direction thereof. The non-meshing regions are…
Strain wave gearing provided with lubricant-mixing-prevention part
Granted: September 14, 2021
Patent Number:
11118669
A cup-shaped strain wave gearing has an externally toothed gear formed with a cylindrical extension portion extending from an end of an external tooth forming portion of the externally toothed gear. A space between the external peripheral surface of the cylindrical extension portion and an end face of an internally toothed gear is sealed by an oil seal. A space between an outer-side lubrication portion on the outer side of the externally toothed gear and an inner-side lubrication portion…
Strain wave gearing
Granted: September 14, 2021
Patent Number:
11118668
A strain wave gearing wherein the outer circumferential surface of an outer ring of a wave generator is in contact with an inner-circumferential-surface portion of a flexible externally toothed gear, and a release groove, which is not in contact with the outer circumferential surface, is formed in the inner-circumferential-surface portion. The release groove is formed in a region containing a ball raceway groove. The groove depth of the release groove gradually increases from both sides…
Strain wave gear mechanism with an inner seal
Granted: August 17, 2021
Patent Number:
11092225
A strain wave gear mechanism (1) has a gear mechanism component (CS) and an elastically deformable transmission component (FS) that is at least partially in alignment therewith in the radial direction (29) and can be deformed elliptically by way of a drive component (WG). Internal or external toothing systems (8, 9) on the gear mechanism component (CS) and the transmission component (FS) are brought into engagement in opposite regions of an elliptical axis to rotate the transmission…
Dual-type strain wave gearing
Granted: August 17, 2021
Patent Number:
11092223
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. The maximum width L1 of the gap is 0.1 to 0.3 times the width L of the externally toothed gear. The depth from the tooth top land of the first external teeth to the deepest part of the gap is 0.9 to 1.3 times the depth of the first external teeth, and the depth from…
RF power amplifier performance by clipping prevention of large PAPR signals
Granted: August 3, 2021
Patent Number:
11082011
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…
Double-row cylindrical roller bearing
Granted: July 6, 2021
Patent Number:
11053976
A double-row cylindrical roller bearing employs a cross roller bearing for one cylindrical roller bearing and a parallel cylindrical roller bearing for the other cylindrical roller bearing. The relative positions of a first cylindrical roller on the cross roller bearing part side and a second cylindrical roller on the parallel cylindrical roller bearing part side are not restricted in the direction of the bearing center axis lines thereof. As a result, a bearing having high rigidity and…
RPD MAC address stored in node
Granted: June 22, 2021
Patent Number:
11044227
Approaches for, and articles of manufacturer that embody, dynamic assignment of a MAC address. A remote PHY node may comprise a non-volatile memory and a network element that comprises a CPU. For example, the network element may be a remote PHY device, an Ethernet switch, a Remote MACPHY Device (RMD), a Passive Optical Network (PON) Optical Line Terminal (OLT), a Passive Optical Network (PON) Optical Network Unit (ONU), or a Wi-Fi hot spot router. A communication link exists between the…
