Harmonic Patent Grants

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…

Strain wave gearing with involute positive deflection tooth profile taking rim thickness into consideration

Granted: August 16, 2016
Patent Number: 9416861
In the strain wave gearing, an involute positive deflection tooth profile of a low pressure angle of less than 20° is used as the basic tooth profile for the rigid internal spur gear and the flexible external spur gear in order to increase the effective tooth depth. Continuous meshing of the two gears in the tooth trace direction is made possible by shifting the external teeth so that the linear parts of the rack tooth profiles coincide when viewed along the tooth trace direction. The…

Flexible externally toothed gear, strain wave gearing, and method for fastening flexible externally toothed gear

Granted: July 19, 2016
Patent Number: 9394985
A strain wave gearing (1) has a flexible externally toothed gear (3) with a boss (7). A boss-side fastening surface (16) formed on the boss is coaxially superposed with a member-side fastening surface (15) of an output member (11), and the boss (7) and the output member are fastened by fastening bolts (13). The bolt tension of the fastening bolts (13) causes the engaging protuberances (20) of the boss-side fastening surface (16) to dig into the member-side fastening surface (15) by a…

System for switching between power supply units

Granted: July 12, 2016
Patent Number: 9391455
A system for switching between first and second voltage supply units, the system may include a first interface unit that is connected between a first voltage supply unit and an output unit, a second interface unit that is connected between a second voltage supply unit and the output unit; a controller that is arranged to select a selected voltage supply unit and to instruct the first and second interface units and the output unit to facilitate a provision of a selected supply voltage…

Hollow-type strain wave gearing unit

Granted: July 5, 2016
Patent Number: 9382993
A hollow-type strain wave gearing unit (1) has a sealing member (14) for sealing a gap (15) opening to the inner peripheral surface of a unit hollow portion (5) passing through in an axis (1a) direction. The gap (15) includes a gap section (15b) between an outer peripheral side end race (48b) on the wave generator side and a boss side end face (108), both faces opposing each other in the axis (1a) direction, and the sealing member (14) is assembled therein. The gap section (15b) is…

Wave generator of strain wave gearing

Granted: June 28, 2016
Patent Number: 9377096
A wave generator of a strain wave gearing has a rigid plug and a needle roller bearing mounted on the plug external peripheral surface. The plug external peripheral surface has a retainer engaging part for engaging with a retainer that would move in an axis line direction and for restricting the movement thereof along the axis line direction. The retainer has an outer ring engaging part for engaging with an outer ring that would move in the axis line direction and for restricting the…

Hollow strain wave gearing

Granted: June 21, 2016
Patent Number: 9371900
A first shaft end of a hollow shaft of a hollow strain wave gearing is supported by a first support bearing with a collar interposed therebetween which is mounted to the outer-circumferential surface of the first shaft end. A second shaft end on the other end of the hollow shaft is supported by a second support bearing. A wave plug of a wave generator is integrally formed with the hollow shaft, and a wave bearing is mounted on the elliptical outer-circumferential surface thereof from the…

Wave generator and strain wave gearing

Granted: May 17, 2016
Patent Number: 9341252
A wave generator (5) for a flat-type strain wave gearing (1) has a first elliptical outer circumferential surface (6S) of a first wave generator portion (5S) defined by a first elliptical curve (C1), and a second elliptical outer circumferential surface (6D) of a second wave generator section (5D) defined by a second elliptical curve (C2). Compared to using a wave generator for which the contour is defined by a single elliptical curve, differences between the ball load distribution of…

Systems and methods for a motorized vent covering in an environment control system

Granted: April 26, 2016
Patent Number: 9322569
A motorized vent covering for an air vent of the environment control system, the motorized vent covering comprising an air flow restrictor for controlling air flow through the vent; and an actuator, the actuator including a motor configured to drive the air flow restrictor to control the flow of air from the vent, and a controller in communication with the motor, the controller configured to provide operating instructions to the motor to open or close the air flow restrictor to adjust…