Patents by Inventor Jian Chang
Jian Chang 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: 20240133453Abstract: Provided is an electric cable driving mechanism having a self-return function. The electric cable driving mechanism includes a housing assembly, an electric motor, a three-stage transmission mechanism and a multifunctional nut, the three-stage transmission mechanism includes a coil spring assembly, the electric motor is fixed to the housing assembly, and the three-stage transmission mechanism and the multifunctional nut are mounted in the housing assembly; and the multifunctional nut includes two cable mounting grooves and is in transmission connection to the electric motor by means of the three-stage transmission mechanism. According to the electric cable driving mechanism having a self-return function of the present disclosure, the three-stage transmission mechanism is used, and outputs a larger force compared with two-stage transmission; and a split multifunctional screw rod is easy to mount, such that mounting of a coil spring during assembly is prevented from scratching the screw rod.Type: ApplicationFiled: December 24, 2023Publication date: April 25, 2024Applicant: KEIPER SEATING MECHANISMS CO., LTD.Inventors: Zhihui ZHANG, Jinghui CHEN, Yutong GUO, Jiahao SHEN, Peina LIAN, Qi WANG, Jian CHANG
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Publication number: 20240093585Abstract: A fracturing apparatus is provided. The fracturing apparatus includes a plunger pump, a transmission shaft, a main motor, an oil pipe, a first radiator and a noise reduction cabin. The main motor is spaced apart from the plunger pump, the plunger pump is connected with the main motor through the transmission shaft; the oil pipe is configured to be connected with the plunger pump; the first radiator is spaced apart from the plunger pump, the first radiator is configured to dissipate heat from oil in the oil pipe, the main motor, the first radiator and at least part of the oil pipe are all located inside the noise reduction cabin, and the plunger pump is located outside the noise reduction cabin.Type: ApplicationFiled: December 1, 2023Publication date: March 21, 2024Inventors: Shanwu FU, Ruijie DU, Jian ZHANG, Jifeng ZHONG, Sheng CHANG, Xiaolei JI
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Patent number: 11912623Abstract: A fluidized solidified soil based on gold tailings includes the following raw materials in parts by mass: 75 parts to 80 parts of gold tailings, 5.2 parts to 13 parts of a dispersant solution, and 9 parts to 16 parts of a solidifying material. A preparation method includes the following steps: mixing the gold tailings with the dispersant solution, and then stirring to obtain a suspension slurry of the gold tailings; and adding the solidifying material, and stirring to obtain the fluidized solidified soil. In the present disclosure, the gold tailings are used as a main material, combined with a special dispersant solution and a special solidifying material, and a fluidized solidified soil is prepared with fluidity suitable for pumping and a certain strength after hardening. The fluidized solidified soil prevents the pollution caused by gold tailings landfilling, and can be used as a filling material for various construction projects.Type: GrantFiled: May 12, 2023Date of Patent: February 27, 2024Assignees: WUHAN INSTITUTE OF TECHNOLOGY, The College of Post and Telecommunication of WITInventors: Zunqun Xiao, Caiyun Xu, Fuqi Wang, Jian Lin, Hui Wang, Zhentao Lv, Yanbin Chang, Haitao Liu, Yinlei Shi, Keqi Luo, Minghui Deng, Puyu Li, Yuepeng Zheng
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Patent number: 11906429Abstract: A two-photon stimulated emission depletion composite microscope using continuous light loss, the microscope comprising: a two-photon imaging unit (100) and an STED imaging unit (200), wherein for thicker samples, the two-photon imaging unit (100) can be used, and for regions of interest on the surface of samples, the STED super-resolution imaging unit (200) can be used. The two-photon stimulated emission depletion composite microscope using continuous light loss integrates two functions of STED imaging and two-photon imaging, so as to provide a powerful tool for cutting-edge biomedical research.Type: GrantFiled: November 27, 2018Date of Patent: February 20, 2024Assignees: SUZHOU INSTITUTE OF BIOMEDICAL ENGINEERING AND TECHNOLOGY, CHINESE ACADEMY OF SCIENCES, SUZHOU GUOKE MEDICAL TECHNOLOGY DEVELOPMENT (GROUP) CO., LTD.Inventors: Yunhai Zhang, Yuguo Tang, Tongda Wei, Jian Chang, Haomin Yang, Lin Ji
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Patent number: 11714836Abstract: The present invention relates a method for high-performance traceability query oriented to multi-chain data association, comprising: identifying a target transaction needing the traceability query; searching out all corresponding target chains based on cross-chain transaction data association; making query requests parallelly; and executing the query among the target chains according to a key value of the target transaction and returning query results. The blockchain traceability query method proposed by the present invention is different from serialized block data query conducted in the chain-type structure, and the disclosed cross-chain query operation can be parallelly executed, leading to improved efficiency of traceability query. Opposite to the conventional blockchain where blocks are used as nodes of chains, the present invention directly uses sub blockchains as nodes of the SRB.Type: GrantFiled: November 18, 2021Date of Patent: August 1, 2023Assignee: Huazhong University of Science and TechnologyInventors: Jiang Xiao, Jian Chang, Rui Han, Xiaohai Dai, Hai Jin
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Publication number: 20230238700Abstract: An antenna structure for a metal-cased electronic device includes a radiator, a feed portion, and a slit. The feed portion can feed signals into the radiator, the radiator includes a first end and a second end, the first end disposes a first radiation portion, the second end disposes a second radiation portion and a third radiation portion, the second radiation portion and the third radiation portion are coupled to each other to radiate a radiation signal at a first frequency band, the slit and the radiator is spaced at intervals, and the slit is coupled to the first radiation portion to radiate the radiation signal at a second frequency band. The present disclosure also provides an electronic device with the antenna structure.Type: ApplicationFiled: January 9, 2023Publication date: July 27, 2023Inventors: CHIH-HUNG LAI, YEN-HUI LIN, WEI-CHENG SU, YUN-JIAN CHANG, GENG-HONG LIOU, CHO-KANG HSU
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Publication number: 20230137377Abstract: A one-way damping structure (1), comprising a spring (11), a drive element (12) and a friction force generation member, the spring (11) and the drive element (12) being connected such that the spring (11) is driven by means of the drive element (12); the spring (11) comprises a fixing portion (111), a connecting portion (112) and an annular portion (113), the connecting portion (112) being located between the fixing portion (111) and the annular portion (113) and connecting the fixing portion (111) to the annular portion (113), and the fixing portion (111) being fixed; and the annular portion (113) comprises at least half a turn for defining a spring opening which spirally extends in the circumferential direction, and slides relative to the friction force generation member so as to generate friction torque. Also disclosed is an adjusting assembly which comprises the described one-way damping structure (1).Type: ApplicationFiled: July 22, 2020Publication date: May 4, 2023Inventors: Qichao LI, Peijing SUN, Jian CHANG
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Publication number: 20230094721Abstract: An antenna structure applied in a wireless communication device including a hinge, the antenna structure includes a feed portion, a first radiation portion, and at least one ground portion; an end of the first radiation portion is electrically connected to the feed portion, another end of the first radiation portion is spaced from the hinge with a gap; the antenna structure generates a radiation signal in at least one radiation frequency band when the feed portion feeds electrical current to the first radiation portion and the hinge couples the electrical current from the first radiation portion. A wireless communication device having the antenna structure is also provided.Type: ApplicationFiled: September 28, 2022Publication date: March 30, 2023Inventors: CHO-KANG HSU, CHIH-HUNG LAI, YUN-JIAN CHANG, GENG-HONG LIOU, YEN-HUI LIN
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Publication number: 20230066095Abstract: An antenna structure for a metal-cased wireless device which is largely impervious to interference when held in the hand includes a radiation portion, a feeding source, a first grounding portion, a second grounding portion, and a third grounding portion. The grounding portions are sequentially arranged at intervals, and all are electrically connected to the metal frame. The first end of the radiation portion is connected to the second grounding portion and the third grounding portion, the second end of the radiation portion is connected to the first grounding portion. The feeding source is electrically connected to the radiation portion and the first grounding portion and feeds current into the antenna structure. The present disclosure also provides a wireless communication device with the antenna structure.Type: ApplicationFiled: August 16, 2022Publication date: March 2, 2023Inventors: YUN-JIAN CHANG, CHO-KANG HSU, YEN-HUI LIN
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Publication number: 20230016241Abstract: The present invention relates to a highly flexible, scalable multi-blockchain, hierarchical data-sharing and data-storing system, at least comprising a third-party blockchain system, a data-sharing blockchain system, and an application-layer client, wherein the data-sharing blockchain system performs data aggregation and hierarchical storage on shared data uploaded by the third-party blockchain system through accessing the data-sharing blockchain system, so as to allow the application-layer client to require the shared data from the data-sharing blockchain system. The disclosure herein creates a single reliable data-sharing blockchain apparatus based on blockchain systems, so as to facilitate aggregation of data coming from different blockchain systems, reduce node complexity and block data redundancy when data are acquired from multiple parties, and define different sharing rules for different data contents, thereby being adaptive to scenarios where data are shared among parties.Type: ApplicationFiled: May 24, 2022Publication date: January 19, 2023Inventors: Jiang XIAO, Jian CHANG, Junpei NI, Xiaohai DAI, Shijie ZHANG, Hai JIN
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Publication number: 20230017790Abstract: The present invention relates to an implementation method for graphic-blockchain-orientated hybrid consensus, at least comprising: calling at least one module to generate a new data block and broadcast it; calling at least one module to check and validate the received new block based on predetermined rules; calling at least one module to generate a void block; and calling at least one module to update a committee member list. The existing graphic blockchain can only achieve probabilistic consensus, yet the present invention achieves deterministic consensus on graphic blockchain for the first time, thereby reaching consensus faster. The present invention decouples generation and consensus of blocks for the first time, so that the two parts can be designed separately in a modularized manner. The present invention provides the first totally decentralized hybrid consensus algorithm in the graphic blockchain. This is unachievable to many existing graphic blockchain such as IOTA and Obyte.Type: ApplicationFiled: June 13, 2022Publication date: January 19, 2023Inventors: Jiang XIAO, Shuohua DONG, Jingtao YUE, Xiaohai DAI, Jian CHANG, Shijie ZHANG, Hai JIN
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Patent number: 11550134Abstract: A two-photon stimulated emission depletion composite microscope, comprising a two-photon imaging unit (100) and an STED imaging unit (200), wherein the two-photon imaging unit (100) can be used for a relatively thick sample, and the STED super-resolution imaging unit can be used for a region of interest on a surface of a sample, and the microscope makes light spots generated by an excitation light and a depletion light after being focused by an objective lens (OL) accurately coincide in a three-dimensional distribution. The two-photon stimulated emission depletion composite microscope (10) integrates two functions of STED imaging and two-photon imaging and makes the two types of light spots generated by an excitation light and a depletion light after being focused by an objective lens accurately coincide in a three-dimensional distribution, thereby providing a powerful tool for cutting-edge biomedical research.Type: GrantFiled: November 27, 2018Date of Patent: January 10, 2023Assignees: Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences, Suzhou Guoke Medical Technology Development (Group) Co., Ltd.Inventors: Yuguo Tang, Yunhai Zhang, Tongda Wei, Jian Chang, Haomin Yang, Lin Ji
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Publication number: 20220355272Abstract: A smart sand includes raw sand particles, synthetic SiO2 particles attached to the raw sand particles, a first material attached to a first set of the synthetic SiO2 particles, a second material attached to a second set of the synthetic SiO2 particles, and a third material attached to the first material. Each of the first to third materials is different from each other.Type: ApplicationFiled: May 22, 2020Publication date: November 10, 2022Inventors: Peng WANG, Jian CHANG, Zeyad AHMED, Yifeng SHI, Chisiang ONG
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Publication number: 20220309080Abstract: The present invention relates a method for high-performance traceability query oriented to multi-chain data association, comprising: identifying a target transaction needing the traceability query; searching out all corresponding target chains based on cross-chain transaction data association; making query requests parallelly; and executing the query among the target chains according to a key value of the target transaction and returning query results. The blockchain traceability query method proposed by the present invention is different from serialized block data query conducted in the chain-type structure, and the disclosed cross-chain query operation can be parallelly executed, leading to improved efficiency of traceability query. Opposite to the conventional blockchain where blocks are used as nodes of chains, the present invention directly uses sub blockchains as nodes of the SRB.Type: ApplicationFiled: November 18, 2021Publication date: September 29, 2022Inventors: Jiang XIAO, Jian CHANG, Rui HAN, Xiaohai DAI, Hai JIN
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Patent number: 11405270Abstract: The present invention provides a mobile device connection device and a mobile device remote plug-and-play system. The mobile device connection device includes a USB port connected to a mobile device and a communication module for wireless communication with a WiFi access point (AP), and the mobile device connection device performs wireless communication through the WiFi AP. Instant plugging and unplugging can be achieved, the distance limitation can also be overcome, and the user experience is good.Type: GrantFiled: July 3, 2018Date of Patent: August 2, 2022Assignee: Actions Microelectronics Co., Ltd.Inventor: Jian-Chang Cheng
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Patent number: 11366300Abstract: A STED super-resolution microscope capable of quick beam combination is disclosed, which includes a STED imaging unit and a beam combination test unit. The excitation light and the depletion light are accurately combined by the beam combination test unit, so that the imaging light spots of the two light beams passing through the STED imaging unit can accurately coincide with each other, thereby obtaining a better super-resolution imaging effect.Type: GrantFiled: October 12, 2020Date of Patent: June 21, 2022Assignees: SUZHOU INSTITUTE OF BIOMEDICAL ENGINEERING AND TECHNOLOGY, CHINESE ACADEMY OF SCIENCES, SUZHOU GUOKE MEDICAL TECHNOLOGY DEVELOPMENT (GROUP) CO., LTDInventors: Yuguo Tang, Yunhai Zhang, Tongda Wei, Jian Chang, Haomin Yang, Lin Ji
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Patent number: 11309535Abstract: Provided herein are a lithium electrode and a sulfur electrode for batteries. The lithium electrode comprises lithium metal and a metal-coated fabric. The fibers of the metal-coated fabric are covered by a metal layer, on which the lithium metal is attached. The sulfur electrode comprises a sulfur composite and a nickel-coated fabric. The fibers of the nickel-coated fabric are covered by a nickel layer, on which the sulfur composite is attached. The lithium electrode can inhibit dendrite formation and the sulfur electrode can speed up the redox kinetics of soluble polysulfides.Type: GrantFiled: June 29, 2018Date of Patent: April 19, 2022Assignee: THE HONG KONG POLYTECHNIC UNIVERSITYInventors: Zijian Zheng, Jian Chang
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Publication number: 20210385130Abstract: The present invention provides a mobile device connection device and a mobile device remote plug-and-play system. The mobile device connection device includes a USB port connected to a mobile device and a communication module for wireless communication with a WiFi access point (AP), and the mobile device connection device performs wireless communication through the WiFi AP. Instant plugging and unplugging can be achieved, the distance limitation can also be overcome, and the user experience is good.Type: ApplicationFiled: July 3, 2018Publication date: December 9, 2021Inventor: Jian-Chang Cheng
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Publication number: 20210334120Abstract: The present invention relates to a computer back control system and method. The system includes a first communication device and at least one second communication device. The first communication device includes a first interface configured to receive control information, a second interface configured to send interface information, and a first wireless transceiving module configured to send the control information and receive the interface information; the second communication device includes a second wireless transceiving module configured to receive the control information from the first wireless transceiving module, and send the interface information to the first wireless transceiving module, a third interface configured to send the control information to the computer, and a fourth interface configured to receive the currently displayed interface information from the computer.Type: ApplicationFiled: July 31, 2018Publication date: October 28, 2021Inventor: Jian-Chang Cheng
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Patent number: 11101547Abstract: An antenna apparatus sited within a metal housing with improved frequency isolation between individual antennas includes the housing, a first ground portion, a first feed portion, and a second ground portion. A side frame of the housing defines at least one gap, the gap separates a first antenna and a second antenna. The first ground portion is formed by extending an end of the first antenna away from the gap. One end of the second ground portion is connected to the first feed portion, other end of the second ground portion is connected to ground. A first feed point feeds power and signal to the first antenna. A wireless communication device using the antenna apparatus is also provided.Type: GrantFiled: July 26, 2019Date of Patent: August 24, 2021Assignee: Chiun Mai Communication Systems, Inc.Inventors: Yih-Shyang Her, Yun-Jian Chang, Chien-Hua Li, Wei-En Hsieh