Patents by Inventor Zhihua HE
Zhihua HE has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240131756Abstract: The present invention belongs to the technical field of control for rolling mill vibration, and particularly relates to a control device, system and method for vertical-horizontal coupling vibration of a corrugated rolling mill. The control device includes a housing; a vibration-absorbing container is arranged in the housing; a steel ball particle group is placed in the vibration-absorbing container; a left side of the vibration-absorbing container is connected with one end of a return spring; the other end of the return spring is fixedly connected with a third base; the third base is fixedly mounted on a third sliding block; and the third sliding block is slidably arranged on a third linear guide rail.Type: ApplicationFiled: January 15, 2023Publication date: April 25, 2024Inventors: Dongping HE, Chaoran REN, Huidong XU, Yizhong CAO, Zhihua WANG, Tao WANG
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Publication number: 20240129513Abstract: An apparatus and a method for outputting image data, and an electronic device are provided. The apparatus includes a first parameter setter, an image signal processor, and an encoder, wherein the first parameter setter sets a first configuration parameter for the image signal processor based on a complexity associated with an input image frame, wherein the image signal processor performs an image signal processing on at least one image frame to generate processed image data based on the first configuration parameter, wherein the encoder performs encoding processing on the processed image data to generate encoded image data. The apparatus and the method for outputting image data, and the electronic device of the present disclosure adjust parameters of the image signal processor and the encoder according to the complexity associated with an input image frame, thereby effectively improving the overall performance of image processing, encoding and compression.Type: ApplicationFiled: September 1, 2023Publication date: April 18, 2024Applicant: Rockchip Electronics Co., Ltd.Inventors: Zhichao YU, Delong HE, Zhihua WANG, Yongzhen YU
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Publication number: 20240092438Abstract: A tunnel operation robot includes a robot body, a walking module, a fixed wing module and a plurality of rotatable wing modules. Both sides of the robot body are provided with cantilever parts, which are collinearly arranged. The walking module is arranged on the robot body. The fixed wing module includes a fixed fan, is fixedly arranged on the robot body, and is configured to provide a pressure for the walking module to be attached to and pressed against the tunnel wall surface. The plurality of rotatable wing modules are respectively arranged on the cantilever parts on both sides of the robot body, and include a rotatable rotating fan and a wind direction adjustment driver. Each rotating fan has a rotation axis parallel to the cantilever parts and an air outlet direction perpendicular to the cantilever parts, and the wind direction adjustment driver is connected to the rotating fan.Type: ApplicationFiled: September 18, 2023Publication date: March 21, 2024Applicants: China Railway Design Corporation (CRDC), TSDI(Tianjin)Testing Technology Co., LtdInventors: Hu CAO, Pan HUANG, Bo LI, Ji ZHANG, ChunShan REN, ShiQi LIU, Yin WANG, ZhiHua LI, MingFeng HE
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Publication number: 20240067667Abstract: The present disclosure provides an organic compound, a mixture, a composition, and an organic electronic device.Type: ApplicationFiled: August 29, 2022Publication date: February 29, 2024Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Xinlong SONG, Zhihua XIAO, Ruifeng HE, Jingyao SONG
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Publication number: 20240074305Abstract: Provided is a tetrahydronaphthalene-based organic compound having a structure as shown in general formula (1), a mixture, a composition, and an organic electronic device. When the tetrahydronaphthalene organic compound provided in the present disclosure is used as a blue fluorescent luminescent material, not only luminescence efficiency and lifetime of the device be improved, but also dark blue luminescence of the device can be realized.Type: ApplicationFiled: December 17, 2022Publication date: February 29, 2024Inventors: Xinlong SONG, Zhihua XIAO, Ruifeng HE, Jingyao SONG
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Patent number: 11672511Abstract: Disclosed is a high resolution intravascular ultrasound imaging system including a catheter with a rotatable imaging assembly and an image processor. The image processor in turn features a pulser configured to energize the ultrasound transducer of the rotatable imaging assembly with a multi-frequency ultrasound waveform signal. The image processor further contains a receiver configured to decompose received ultrasound energy as reflected by the target vessel into a plurality of individual subband signals, individually process these signals and reconstitute these signals into a high resolution image of the blood vessel. The IVUS system of the invention may be useful in characterizing cap thickness of vulnerable plaques or other detailed studies of blood vessels.Type: GrantFiled: November 6, 2018Date of Patent: June 13, 2023Assignee: InfraReDx, Inc.Inventors: Zhihua He, David Erickson, Glen McLaughlin
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Publication number: 20210128106Abstract: A medical introducer sheath comprises a tubular shaft and an ultrasonic transducer array. The tubular shaft has a proximal end, a distal end opposite the proximal end, an inner surface, and an outer surface. The shaft defines a longitudinal axis extending between the proximal end and the distal end. The inner surface and the outer surface define a wall having a shaft wall thickness, the wall defining a distal wall face proximate the distal end of the shaft extending at an oblique angle relative to the longitudinal axis. The ultrasonic transducer array includes a plurality of ultrasound transducers disposed within the wall of the tubular shaft at the distal end thereof. The ultrasound transducers include an emitting/receiving surface generally aligned with the distal wall face, such that ultrasonic energy emitted from each of the ultrasound transducers is oriented directed generally at an oblique angle relative to the longitudinal axis.Type: ApplicationFiled: November 2, 2020Publication date: May 6, 2021Inventors: Leili Salehi, Charles A. Gibson, Zhihua He
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Patent number: 10492959Abstract: A method for indicating and alarming about wet level of a diaper involves using a humidity sensor to perform relative humidity detection on the diaper, when the detected relative humidity is below 50% rh˜60% rh, showing the diaper's wet level as 0% rh, and when the detected relative humidity is 85% rh˜95% rh or more, showing the diaper's wet level as 100% rh, wherein functional conversion is performed to convert the relative humidity ranging between 60% rh and 85% rh˜95% rh proportionally into the diaper's wet level between 0% rh and 100% rh.Type: GrantFiled: May 7, 2017Date of Patent: December 3, 2019Assignee: DONGGUAN SOUTHSTAR ELECTRONICS LIMITEDInventors: Jun Yi, Zhihua He, Fangyi Cai, Minghui Du, Weimin Chen, Zhantu Zheng, Jianchao Xu
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Patent number: 10245007Abstract: Disclosed is a high resolution intravascular ultrasound imaging system including a catheter with a rotatable imaging assembly and an image processor. The image processor in turn features a pulser configured to energize the ultrasound transducer of the rotatable imaging assembly with a multi-frequency ultrasound waveform signal. The image processor further contains a receiver configured to decompose received ultrasound energy as reflected by the target vessel into a plurality of individual subband signals, individually process these signals and reconstitute these signals into a high resolution image of the blood vessel. The IVUS system of the invention may be useful in characterizing cap thickness of vulnerable plaques or other detailed studies of blood vessels.Type: GrantFiled: August 15, 2013Date of Patent: April 2, 2019Assignee: InfraReDx, Inc.Inventors: Zhihua He, David Erickson, Glen McLaughlin
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Publication number: 20190069883Abstract: Disclosed is a high resolution intravascular ultrasound imaging system including a catheter with a rotatable imaging assembly and an image processor. The image processor in turn features a pulser configured to energize the ultrasound transducer of the rotatable imaging assembly with a multi-frequency ultrasound waveform signal. The image processor further contains a receiver configured to decompose received ultrasound energy as reflected by the target vessel into a plurality of individual subband signals, individually process these signals and reconstitute these signals into a high resolution image of the blood vessel. The IVUS system of the invention may be useful in characterizing cap thickness of vulnerable plaques or other detailed studies of blood vessels.Type: ApplicationFiled: November 6, 2018Publication date: March 7, 2019Applicant: InfraReDx, Inc.Inventors: Zhihua He, David Erickson, Glen McLaughlin
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Publication number: 20180318147Abstract: A method for detecting an infant's urination includes: determining that Condition 1 is satisfied if a relative humidity value collected lastly is greater than humidity values of previous N times and is 1% rh˜3% rh greater than a minimum of the previous N times; determining that Condition 2 is satisfied and the first urination has happened if humidity values collected in continuous M times satisfy Condition 1, and the humidity value collected in the Mth time is 3% rh˜6% rh greater than a minimum of the previous N+M times; starting to detect a second urination when humidity variation becomes steady; and determining that the second urination has happened if a time for humidity to increase 0.1% rh is less than a half of a previous time for humidity to increase 0.1% rh, and a next time for humidity to increase 0.1% rh is also less than a half of the previous time.Type: ApplicationFiled: May 7, 2017Publication date: November 8, 2018Inventors: Jun Yi, Zhihua He, Fangyi Cai, Minghui Du, Weimin Chen, Zhantu Zheng, Jianchao Xu
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Publication number: 20180318146Abstract: A method for indicating and alarming about wet level of a diaper involves using a humidity sensor to perform relative humidity detection on the diaper, when the detected relative humidity is below 50% rh˜60% rh, showing the diaper's wet level as 0% rh, and when the detected relative humidity is 85% rh˜95% rh or more, showing the diaper's wet level as 100% rh, wherein functional conversion is performed to convert the relative humidity ranging between 60% rh and 85% rh˜95% rh proportionally into the diaper's wet level between 0% rh and 100% rh.Type: ApplicationFiled: May 7, 2017Publication date: November 8, 2018Inventors: Jun Yi, Zhihua He, Fangyi Cai, Minghui Du, Weimin Chen, Zhantu Zheng, Jianchao Xu
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Publication number: 20180271496Abstract: Disclosed is a high resolution intravascular ultrasound imaging system including a catheter with a rotatable imaging assembly and an image processor. The image processor in turn features a pulser configured to energize the ultrasound transducer of the rotatable imaging assembly with a multi-frequency ultrasound waveform signal. The image processor further contains a receiver configured to decompose received ultrasound energy as reflected by the target vessel into a plurality of individual subband signals, individually process these signals and reconstitute these signals into a high resolution image of the blood vessel. The IVUS system of the invention may be useful in characterizing cap thickness of vulnerable plaques or other detailed studies of blood vessels.Type: ApplicationFiled: May 8, 2018Publication date: September 27, 2018Applicant: IntraReDx, Inc.Inventors: Zhihua He, David Erickson, Glen McLaughlin
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Patent number: 10021356Abstract: In one embodiment, an imaging method may include receiving an intensity value of a first spectral channel associated with a pixel location. The intensity value of the first spectral channel may be based on electromagnetic radiation reflected from an object after being emitted from a narrow-band electromagnetic radiation source. The method may further include defining an intensity value of a second spectral channel based on the intensity value of the first spectral channel. The second spectral channel may be associated with a spectral region of electromagnetic radiation different from a spectral region of electromagnetic radiation associated with the first spectral channel. The method may also include associating the intensity value of the second spectral channel with the pixel location.Type: GrantFiled: March 11, 2016Date of Patent: July 10, 2018Assignee: Boston Scientific Scimed, Inc.Inventors: Zhihua He, Nathaniel McCaffrey, Jason Sproul
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Publication number: 20160198132Abstract: In one embodiment, an imaging method may include receiving an intensity value of a first spectral channel associated with a pixel location. The intensity value of the first spectral channel may be based on electromagnetic radiation reflected from an object after being emitted from a narrow-band electromagnetic radiation source. The method may further include defining an intensity value of a second spectral channel based on the intensity value of the first spectral channel. The second spectral channel may be associated with a spectral region of electromagnetic radiation different from a spectral region of electromagnetic radiation associated with the first spectral channel. The method may also include associating the intensity value of the second spectral channel with the pixel location.Type: ApplicationFiled: March 11, 2016Publication date: July 7, 2016Applicant: Boston Scientific Scimed, Inc.Inventors: Zhihua HE, Nathaniel McCAFFREY, Jason SPROUL
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Patent number: 9319601Abstract: In one embodiment, an imaging method may include receiving an intensity value of a first spectral channel associated with a pixel location. The intensity value of the first spectral channel may be based on electromagnetic radiation reflected from an object after being emitted from a narrow-band electromagnetic radiation source. The method may further include defining an intensity value of a second spectral channel based on the intensity value of the first spectral channel. The second spectral channel may be associated with a spectral region of electromagnetic radiation different from a spectral region of electromagnetic radiation associated with the first spectral channel. The method may also include associating the intensity value of the second spectral channel with the pixel location.Type: GrantFiled: September 9, 2013Date of Patent: April 19, 2016Assignee: Boston Scientific Scimed, Inc.Inventors: Zhihua He, Nathaniel McCaffrey, Jason Sproul
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Publication number: 20140253705Abstract: A method for adjusting color channel signals based on spectral variations in the signal associated with a known source. In an embodiment of the present disclosure, the method may include receiving a first signal having an intensity value from an electromagnetic radiation source. In an embodiment of the present disclosure, the method may also include producing one or more second signals such that a response-ratio value calculated based on the one or more second signals satisfies a response-ratio condition associated with a spectral region of the first signal.Type: ApplicationFiled: March 6, 2014Publication date: September 11, 2014Applicant: BOSTON SCIENTIFIC SCIMED, INC.Inventors: John KUMMAILIL, Arnold BUCK, Zhihua HE, Nathaniel McCAFFREY
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Publication number: 20140009622Abstract: In one embodiment, an imaging method may include receiving an intensity value of a first spectral channel associated with a pixel location. The intensity value of the first spectral channel may be based on electromagnetic radiation reflected from an object after being emitted from a narrow-band electromagnetic radiation source. The method may further include defining an intensity value of a second spectral channel based on the intensity value of the first spectral channel. The second spectral channel may be associated with a spectral region of electromagnetic radiation different from a spectral region of electromagnetic radiation associated with the first spectral channel. The method may also include associating the intensity value of the second spectral channel with the pixel location.Type: ApplicationFiled: September 9, 2013Publication date: January 9, 2014Applicant: Boston Scientific Scimed, IncInventors: Zhihua He, Nathaniel McCaffrey, Jason Sproul
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Patent number: 8553975Abstract: In one embodiment, an imaging method may include receiving an intensity value of a first spectral channel associated with a pixel location. The intensity value of the first spectral channel may be based on electromagnetic radiation reflected from an object after being emitted from a narrow-band electromagnetic radiation source. The method may further include defining an intensity value of a second spectral channel based on the intensity value of the first spectral channel. The second spectral channel may be associated with a spectral region of electromagnetic radiation different from a spectral region of electromagnetic radiation associated with the first spectral channel. The method may also include associating the intensity value of the second spectral channel with the pixel location.Type: GrantFiled: September 1, 2010Date of Patent: October 8, 2013Assignee: Boston Scientific Scimed, Inc.Inventors: Zhihua He, Nathaniel McCaffrey, Jason Sproul
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Publication number: 20110069315Abstract: In one embodiment, an imaging method may include receiving an intensity value of a first spectral channel associated with a pixel location. The intensity value of the first spectral channel may be based on electromagnetic radiation reflected from an object after being emitted from a narrow-band electromagnetic radiation source. The method may further include defining an intensity value of a second spectral channel based on the intensity value of the first spectral channel. The second spectral channel may be associated with a spectral region of electromagnetic radiation different from a spectral region of electromagnetic radiation associated with the first spectral channel. The method may also include associating the intensity value of the second spectral channel with the pixel location.Type: ApplicationFiled: September 1, 2010Publication date: March 24, 2011Inventors: Zhihua HE, Nathaniel McCaffrey, Jason Sproul