Harmonic Patent Grants

Smart small form-factor (SFP) pluggable transceiver

Granted: September 19, 2017
Patent Number: 9769500
Approaches for processing video in a smart small form-factor pluggable (SFP) transceiver. The smart SFP transceiver may dynamically assess characteristics of its environment, such as link bandwidth or video attributes. Thereafter, the smart SFP transceiver dynamically selects, 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…

Clock recovery for video encoding/transcoding applications

Granted: September 19, 2017
Patent Number: 9769514
Approaches for clock synchronization in digital video environments. In an embodiment, an encoder/transcoder calculates a ratio between a system clock and a source clock. The source clock is used by a source device to encode or transcode digital video. The system clock is used by the encoder/transcoder. After the encoder/transcoder receives the digital video from the source device, the encoder/transcoder uses the calculated ratio to create a recovered clock. The recovered clock is locked…

Strain wave gearing having double-contact negative deflection tooth profile

Granted: August 29, 2017
Patent Number: 9746065
The addendum tooth profile of the inner teeth and outer teeth of a strain wave gearing is stipulated by a first and second similar curve obtained from the curve segment from an inflection point to a low point in a movement trajectory when the meshing of both teeth is approximated by rack meshing. The addendum tooth profile of the inner teeth is stipulated by a curve generated at the inner teeth in the process of the addendum profile of the outer teeth moving from the inflection point to…

System and method for feedback based traffic management

Granted: August 29, 2017
Patent Number: 9749248
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…

Wave generator and strain wave gearing

Granted: July 18, 2017
Patent Number: 9709151
A wave generator of a strain wave gearing has a plug, a wave generator bearing mounted to an outer peripheral surface of the plug, an input shaft protruding from the center of the plug to a first side running along a center axis, and a bearing arrangement on which a support bearing supporting the input shaft is arranged. Relative to an outer ring end surface of the wave generator bearing that faces the first side, a center-side plug end surface of a plug end surface facing the same…

Device and method for composing programmes from different sources in baseband

Granted: June 27, 2017
Patent Number: 9693095
The invention concerns a device for inserting additional video content (inlays, secondary programs) into a main video program. Said device works in baseband within a single encoding box under the control of a common supervisor. The supervisor is configured to pass metadata associated with the images to the coder, said metadata comprising temporal, spatial and dynamic data relating to the planning of the insertion, and analysis data for the image files, which analysis data have been…

Wave gear device and hollow rotating actuator

Granted: May 9, 2017
Patent Number: 9644727
In a wave gear device, the inner race and the boss are fixed together by a laser welded part formed along the entire periphery thereof. The laser welded part also functions as an oil seal for sealing the inner race and the boss. The boss and the inner race are fixed together in a manner that a required axial length is short, and that machining and assembling steps are reduced. Oil seal members are not required to seal the boss and the inner race.

Strain wave device

Granted: May 9, 2017
Patent Number: 9644728
First and second external tooth gear parts of a strain wave gearing are bent in an elliptic shape by a wave generator to engage with first and second internal tooth gears, respectively. The first and second external tooth gear parts are bent so as to have elliptic shapes the phases of which are rotated 90 degrees from each other about a rotational center line. A coupling external tooth gear part that maintains a circular cross-sectional shape which does not deform is formed in between…

Planetary gear reducer

Granted: March 28, 2017
Patent Number: 9605749
A planetary gear reducer has a planetary carrier supported by an input-side main bearing and an output-side main bearing. An angular contact ball bearing or a deep groove ball bearing which requires less installation space and is inexpensive is used for the input-side main bearing. A tapered roller bearing having a large capacity is used for the output-side main bearing. A compact, flat and inexpensive planetary gear reducer can be realized in comparison with a case in which the both…

Multi-slice/tile encoder with overlapping spatial sections

Granted: January 24, 2017
Patent Number: 9554131
Roughly described, pictures are divided into multiple spatial sections to be encoded by multiple section encoders. To address discontinuities of compression decisions across section boundaries, the multiple section encoders encode overlapping regions in a picture.

Logo detection for macroblock-based video processing

Granted: January 10, 2017
Patent Number: 9542611
The subject matter of this specification can be embodied in, among other things, a method that includes receiving a current frame, the current frame including one or more macroblocks, analyzing the current frame using a first set of image characteristics to determine if logo detection can be performed on the current frame, and performing the logo detection on the current frame if the current frame satisfies the first set of image characteristics to determine presence of a logo macroblock…

Wave gear device having tapered flexible external gear

Granted: January 3, 2017
Patent Number: 9534681
With a wave gear device, the gears employ homothetic curve tooth profiles AD, BE. Furthermore, a transposition is applied to the external teeth along the tooth trace such that the movement loci M2, M3 of the external teeth in a section perpendicular to the axis, from the aperture end to the inner end, share the movement locus M1 of the aperture end and bottom portion thereof, and a continuous meshing of the teeth in the tooth trace direction is achieved. Furthermore, the tooth bottom rim…

Strain wave gearing

Granted: December 20, 2016
Patent Number: 9523421
A hollow-type strain wave gearing unit has a cup-shaped flexible externally-toothed gear, in which one shaft end portion of a hollow rotation shaft of a wave generator is located. The shaft end portion is supported by a bearing mounted on a bearing holder fixed to a boss of the flexible externally-toothed gear. The bearing holder has a retainer holding portion to prevent a retainer of a wave generator bearing from coming off in the axis line direction. There is no need to dispose a…

Fastening friction plate, and fastening and fixing structure for strain wave gearing and output member

Granted: November 22, 2016
Patent Number: 9500234
A fastening friction plate is wedged between the fastening surfaces of two fastening members in order to increase the fastening force between them. The fastening friction plate has a friction plate main body of a fixed thickness, and engaging protuberances having an approximately truncated cone shape formed on the both surfaces of the friction plate main body at a fixed pitch. The friction plate main body and the engaging protuberances are integrally formed by photo-etching into the both…

Flexible externally toothed gear for wave gear device

Granted: October 25, 2016
Patent Number: 9476494
A cup-shaped flexible externally toothed gear of a wave gear device, wherein a diaphragm plate slopes from a diaphragm internal peripheral edge portion contiguous to a boss part toward a diaphragm external peripheral edge portion contiguous to a cylindrical body portion in a direction in which the diaphragm external peripheral edge portion is at greater distance from an open end of the cylindrical body portion with respect to an orthogonal plane orthogonal to a central axis line of the…

System and method for the transmission of data and streams containing video data Din a channel with given bitrate

Granted: October 11, 2016
Patent Number: 9467719
System and method for multiplexing data Di and one or more streams containing video data Dvideo in a transmission channel with fixed bitrate comprising a multiplexer (11) and its controller (112), the multiplexer (11) comprising one to n inputs (11v) receiving the stream or streams Dvideo, a bitrate allocator (12), the multiplexer (11) comprises an input (11d) for the data Di to be multiplexed, and the said system comprises at least the following elements: a memory (20) receiving the…

Strain wave gearing unit

Granted: September 13, 2016
Patent Number: 9441721
A strain wave gearing unit is provided with an internal gear, which surrounds the periphery of a cup-shaped external gear, and a bearing. An annular gap is formed between the inner ring of the bearing and the internal gear. The gap communicates with the sliding portions of the bearing and the section where the two gears mesh. An annular filter member made of non-woven fabric is fitted in the gap. Foreign matter such as abrasion powder, which is contained in lubricant that flows in the…

Wave generator of strain wave gearing

Granted: September 6, 2016
Patent Number: 9435418
A wave generator of a hollow strain wave gearing has a rigid plug and a needle roller bearing. The needle roller bearing has an inner ring trajectory surface formed in the plug external peripheral surface, a flexible outer ring, an outer ring trajectory surface formed in an inner peripheral surface of the outer ring, and needle rollers. An inner ring trajectory groove is formed in the plug external peripheral surface, and the inner ring trajectory surface is formed in a groove bottom…

Method of formatting a video stream for mobile terminals

Granted: August 30, 2016
Patent Number: 9432707
Method of formatting a stream of data for mobile terminals according to a series of frames which comply with the ATSC-MH standard or with a standard which is upward compatible with ATSC-MH, a frame comprising a predetermined number of slots, each slot being able to be allocated to the transport of data associated with a service, said method comprising a step of defining a slots allocation pattern making it possible to meet a total bitrate need required for the services for a set, called…

Vibration power-generating strain wave gearing

Granted: August 23, 2016
Patent Number: 9425712
The strain wave gearing includes a rigid internally toothed gear, a flexible externally toothed gear that is disposed coaxially therein and is flexible in the radial direction, and a wave generator that is disposed coaxially inside the externally toothed gear. The flexible externally toothed gear is bent in the radial direction by the wave generator and meshes with the rigid internally toothed gear in sections. When the position of meshing of the rigid internally toothed gear with the…