Patents by Inventor Chao Han
Chao Han 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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Patent number: 11264104Abstract: Apparatus, media, methods, and systems for data storage systems and methods for improved recovery after a write abort event are described. A data storage system may comprise a non-volatile memory device, having one or more wordlines configured to receive a read level voltage, and a controller. The controller is configured to detect whether a write abort event occurred for the data storage system. The controller is configured to determine a first voltage offset based on one or more of a wear-level indication of the non-volatile memory device, or one or more voltage parameters of the non-volatile memory device. The controller is configured to determine, based on the first voltage offset, an adjusted read level voltage. The controller is configured to apply the adjusted read level voltage to a wordline of the non-volatile memory device. The controller is configured to read data, based on the applied adjusted read level voltage, from the wordline of the non-volatile memory device.Type: GrantFiled: July 22, 2020Date of Patent: March 1, 2022Assignee: WESTERN DIGITAL TECHNOLOGIES, INC.Inventors: Mohsen Purahmad, Chao-Han Cheng, Dongxiang Liao, Bo Lei
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Patent number: 11157313Abstract: Embodiments of the present disclosure provide a method, and apparatus and a computer readable medium for controlling a storage system. For example, a method for controlling a storage system is provided. The method comprises: determining a control factor related to a background operation in the storage system, the control factor including a usage state of a storage resource pool in the storage system; setting a priority level for the background operation based on the determined control factor; and controlling execution of the background operation based on the set priority level. Embodiments of the present disclosure may accelerate execution of background operations, improve resource utilization efficiency, and ensure good I/O performance.Type: GrantFiled: October 26, 2018Date of Patent: October 26, 2021Assignee: EMC IP Holding Company LLCInventors: Joe Jian Liu, Chen Gong, Chao Han, Huan Chen, Lester Zhang
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Patent number: 11138903Abstract: The present disclosure provides a method, an apparatus, a device and a system for sign language translation, where a server receives video information sent by a terminal device, and preprocesses the video information to obtain at least one sign language action; the at least one sign language action is input into a sign language model for classification and prediction to obtain a word corresponding to the at least one sign language action; each word is input into a language model to determine whether an intention expression is complete; and each word is sent to the terminal device when the intention expression is complete, so that the terminal device displays each word, thereby realizing the translation of the sign language action into text, enabling the ordinary persons to better understand intentions of the hearing impaired, thus improving efficiency of communications.Type: GrantFiled: February 18, 2019Date of Patent: October 5, 2021Assignee: BEIJING BAIDU NETCOM SCIENCE TECHNOLOGY CO., LTD.Inventors: Xiangyue Lin, Kun Liu, Shuangshuang Qiao, Yang Liang, Chao Han, Mingfa Zhu, Jiangliang Guo, Xu Li, Jun Liu, Shuo Li, Shiming Yin
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Publication number: 20210296512Abstract: A junction barrier schottky (JBS) diode is provided and includes: a bottom metal layer, a N+-type substrate layer and a N?-type epitaxial layer sequentially arranged in that order from bottom to top, P-type ion injection regions are disposed on an upper surface of the N?-type epitaxial layer, distances of the P-type ion injection regions are gradually increased along a direction from an edge to a center of the JBS diode; an isolation dielectric layer is arranged on a periphery of the upper surface of the N?-type epitaxial layer, an top metal layer is arranged on the upper surface of the N?-type epitaxial layer and an upper surface of the isolation dielectric layer and further is in contact with the P-type ion injection regions. The JBS diode can effectively inhibit an occurrence of local electromigration and improve a device reliability.Type: ApplicationFiled: May 9, 2020Publication date: September 23, 2021Inventors: Qingwen Song, Xiaoyan Tang, Yuming Zhang, Hao Yuan, Chao Han
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Publication number: 20210260131Abstract: Disclosed is a degradable sponge block with an infiltrating stem cell suspension, and the stem cells are filled in the network structure holes of the sponge material in a cell suspension state. The stem cell preparation sponge patch complex can be clamped by the instrument and directly delivered to the physiological site of cell therapy due to its rigid support. In addition, the complex is also capable of deformation, which can be fixed at the healing site and realize in-situ release of cells. The cells are loosely bound to the sponge, which can realize the cell preparation reaching the treatment site under the carrying of sponge materials, and release the cell preparation under the action of external forces. The sponge materials only play the role of loading stem cells and carrying them to the treatment site, and then biodegradation and avoiding foreign body residue.Type: ApplicationFiled: March 6, 2019Publication date: August 26, 2021Inventors: Jing LIU, Jingyun MA, Chao HAN
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Patent number: 11101593Abstract: A wall device is described comprising a power source base body for installation in a wall, where the power source base body comprises at least one accommodating space. The accommodating space is configured for placement of a first metal piece, a second metal piece, a third metal piece, and a fourth metal piece, where the first metal piece is a first live wire circuit, the second metal piece is a second live wire circuit, the third metal piece is an earth wire circuit, and the fourth metal piece is a neutral wire circuit. Partition plates are provided in the accommodating space to separate the positions of the first metal piece, the second metal piece, the third metal piece, and the fourth metal piece, so as to prevent the first metal piece, the second metal piece, the third metal piece, and the fourth metal piece from contacting in the accommodation space.Type: GrantFiled: March 17, 2020Date of Patent: August 24, 2021Assignee: HAN CHUANG INIERNATIONAL CO., LTDInventor: Chao-Han Li
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Patent number: 11100047Abstract: Techniques delete snapshots. The techniques involve: in response to a data block to which a plurality of snapshots of a file to be deleted point being shared, determining whether a physical address of the data block to which the plurality of snapshots to be deleted point is the same as a target physical address of a data block to which a target snapshot of the file points. The techniques further involve: in response to the physical address of the data block to which the plurality of snapshots to be deleted point being the same as the target physical address, setting flag bits associated with the plurality of snapshots to be deleted to a first state. The techniques further involve: in response to detecting the first state, updating a target weight with a sum of weights of the plurality of snapshots to be deleted (e.g., respective quotas).Type: GrantFiled: January 3, 2019Date of Patent: August 24, 2021Assignee: EMC IP Holding Company LLCInventors: Shuo Lv, Huan Chen, Guoyu Hu, Chao Han, Qiaosheng Zhou, Jian Liu, Chen Gong, Congyue Gu
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Patent number: 11091914Abstract: A louver canopy comprises a frame with a top disposed with parallel rafters; a plurality of louvers rotationally connected between the rafters and sequentially arranged along a length direction of the rafters, the louvers are disposed at intervals and parallel to each other, each of the louvers includes an elongated flashing; a baffle connected to a first long side of the flashing; an elongated first guide groove formed between the baffle and the flashing; When the louvers rotate to a closed state, an opening of the first guide groove faces upward, and a second long side of the flashing passes over a top of the baffle of an adjacent louver of the louvers and positions above the first guide groove of the adjacent louver.Type: GrantFiled: May 20, 2020Date of Patent: August 17, 2021Assignee: Zhejiang Dosoly Mechanical and Electrical Technology Co., Ltd.Inventors: Caihua Shan, Gaoyang Xu, Yucheng Shan, Chao Han, Jie Ding, Ruzhong Yin, Rixin Liang, Zheng Zhou, Yongna Han, Ji Zhou, Kaiyu Ni
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Patent number: 11080291Abstract: In one embodiment, the present disclosure pertains to downloading visualization data. Data visualizations in a user interface display may be created from remote data. Portions of the remote data may be downloaded to a local computer to recreate the data visualizations without the need for remote data requests. In another embodiment, a data export architecture includes jobs comprising a plurality of tasks configured in series. In one example embodiment, the jobs may correspond to particular data visualizations to be downloaded.Type: GrantFiled: August 2, 2017Date of Patent: August 3, 2021Assignee: SAP SEInventors: Christopher Bolognese, Jonathan Tiu, Mohsen Asadi, Yijian Wang, Anthony Kohan, Chao Han, Sae-Won Om
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Publication number: 20210223856Abstract: A facial tracking device including an illuminator and a photon detector. The illuminator configured to project a light toward a first portion of a head of a user and the photon detector configured to detect light reflected from a second portion of the head of the user. The facial tracking device further including a processor that is connected to the illuminator and photon detector and configured to cause the illuminator to project the light toward the head of the user, receive information from the photon detector, and determine a facial expression of the user.Type: ApplicationFiled: January 17, 2020Publication date: July 22, 2021Inventors: Manoj Bikumandla, Chao Han
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Publication number: 20210203099Abstract: A wall device is described comprising a power source base body for installation in a wall, where the power source base body comprises at least one accommodating space. The accommodating space is configured for placement of a first metal piece, a second metal piece, a third metal piece, and a fourth metal piece, where the first metal piece is a first live wire circuit, the second metal piece is a second live wire circuit, the third metal piece is an earth wire circuit, and the fourth metal piece is a neutral wire circuit. Partition plates are provided in the accommodating space to separate the positions of the first metal piece, the second metal piece, the third metal piece, and the fourth metal piece, so as to prevent the first metal piece, the second metal piece, the third metal piece, and the fourth metal piece from contacting in the accommodation space.Type: ApplicationFiled: March 17, 2020Publication date: July 1, 2021Inventor: Chao-Han LI
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Patent number: 10949439Abstract: The present disclosure provides a method, apparatus and system for displaying search results, an apparatus and a computer storage medium. On the one hand, according to embodiments of the present disclosure, the key word is sent to the server so that the server performs a search according to the key word to obtain at least two page files, each of the page files including at least one search result matching the key word, thereby receiving the at least two page files sent by the server; thereby, according to the page style and the special display effect corresponding to each of the page files, rendering each of said page files to display the search result matching the key word. Hence, the technical solutions provided by embodiments of the present disclosure solve the problem in the prior art that the form of displaying the search result page is relatively single and exhibits lower interactivity and flexibility.Type: GrantFiled: December 3, 2015Date of Patent: March 16, 2021Assignee: BAIDU ONLINE NETWORK TECHNOLOGY (BEIJING) CO., LTD.Inventors: Junqi Liu, Kefeng Li, Chao Han, Jing Ye
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Patent number: 10895032Abstract: A vibration squeeze drum washing machine includes a housing, a barrel, a drum, a machine door, a vibration squeeze device, a turnover mechanism, a mechanical vibrator, a position sensor, a drum motor, a drive device, a water intake valve, a drainage valve, and a control system. The vibration squeeze device is disposed on an inner side of the machine door and is connected to the machine door via the turnover mechanism.Type: GrantFiled: January 8, 2019Date of Patent: January 19, 2021Inventors: Yalan Han, Chao Han
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Publication number: 20210007597Abstract: The exemplified systems and methods disclosed herein involve the contemporaneous and concurrent stimulation of both eyes of a patient with dissimilar visual scenes that substantially span an expected or normal visual field of both eyes. During an assessment via the exemplified system and methods, a test eye (i.e., eye being assessed) is presented a visual scene that is rich in contours (e.g., a scene with rich texture patterns) that substantially span an expected or normal visual field of a person while the non-tested eye is presented an impoverished visual scene (e.g., a contour-free or non-distinguishing-contour scene, e.g., with a homogeneous color, with respect to the contour-rich scene). Defects in the visual field can be detected by assessing for breaks or discontinuity in the observation of the contour-rich scene by the person.Type: ApplicationFiled: May 29, 2020Publication date: January 14, 2021Inventors: Teng Leng OOI, Chao HAN
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Publication number: 20210012777Abstract: Embodiments of the present disclosure provide a context acquiring method based on voice interaction and a device, the method comprising: acquiring a scene image collected by an image collection device at a voice start point of a current conversation, and extracting a face feature of each user in the scene image; if it is determined that there is a second face feature matching a first face feature according to the face feature of each user and a face database, acquiring a first user identifier corresponding to the second face feature from the face database; if it is determined that a stored conversation corresponding to the first user identifier is stored in a voice database, determine a context of a voice interaction according to the current conversation and the stored conversation, and after the voice end point of the current conversation is obtained, storing the current conversation into the voice database.Type: ApplicationFiled: July 23, 2020Publication date: January 14, 2021Applicant: Beijing Baidu Netcom Science Technology Co., Ltd.Inventors: Yang LIANG, Kun LIU, Shuangshuang QIAO, Xiangyue LIN, Chao HAN, Mingfa ZHU, Jiangliang GUO, Xu LI, Jun LIU, Shuo LI, Shiming YIN
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Publication number: 20200389574Abstract: A USB camera includes a foldable base, a bracket, a support frame, and a camera module. The foldable base includes a primary plate and at least one secondary plate. The at least one secondary plate is configured to rotate with respect to the primary plate, such that the at least one secondary plate is selectively folded or expanded with respect to the primary plate. The bracket is disposed on the primary plate. The support frame is connected to the bracket. The camera module is connected to the support frame. The camera module has a USB port.Type: ApplicationFiled: June 5, 2019Publication date: December 10, 2020Inventor: Chao-Han Chang
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Publication number: 20200370299Abstract: A louver canopy comprises a frame with a top disposed with parallel rafters; a plurality of louvers rotationally connected between the rafters and sequentially arranged along a length direction of the rafters, the louvers are disposed at intervals and parallel to each other, each of the louvers includes an elongated flashing; a baffle connected to a first long side of the flashing; an elongated first guide groove formed between the baffle and the flashing; When the louvers rotate to a closed state, an opening of the first guide groove faces upward, and a second long side of the flashing passes over a top of the baffle of an adjacent louver of the louvers and positions above the first guide groove of the adjacent louver.Type: ApplicationFiled: May 20, 2020Publication date: November 26, 2020Applicant: Zhejiang Dosoly Mechanical and Electrical Technology Co., Ltd.Inventors: Caihua Shan, Gaoyang Xu, Yucheng Shan, Chao Han, Jie Ding, Ruzhong Yin, Rixin Liang, Zheng Zhou, Yongna Han, Ji Zhou, Kaiyu Ni
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Publication number: 20200370220Abstract: A vibration squeeze drum washing machine structure; a vibration squeeze device (5) is provided at the inner side of a machine door (4) of the drum washing machine, a turnover mechanism (6) located below the machine door (4) mechanically connects the vibration squeeze device (5) to the machine door (4) such that the vibration squeeze device (5) can be turned up and down by 90 degrees at the inner side of the machine door (4); when being at an upturning position, the vibration squeeze device (5) is parallel to the door plane, when being at a downturning position, the vibration squeeze device (5) is at a right angle of 90 degrees to the door plane, and the vibration squeeze device (5) stretches underneath the drum (3).Type: ApplicationFiled: January 8, 2019Publication date: November 26, 2020Inventors: Yalan HAN, Chao HAN
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Publication number: 20200350025Abstract: Apparatus, media, methods, and systems for data storage systems and methods for improved recovery after a write abort event are described. A data storage system may comprise a non-volatile memory device, having one or more wordlines configured to receive a read level voltage, and a controller. The controller is configured to detect whether a write abort event occurred for the data storage system. The controller is configured to determine a first voltage offset based on one or more of a wear-level indication of the non-volatile memory device, or one or more voltage parameters of the non-volatile memory device. The controller is configured to determine, based on the first voltage offset, an adjusted read level voltage. The controller is configured to apply the adjusted read level voltage to a wordline of the non-volatile memory device. The controller is configured to read data, based on the applied adjusted read level voltage, from the wordline of the non-volatile memory device.Type: ApplicationFiled: July 22, 2020Publication date: November 5, 2020Inventors: Mohsen PURAHMAD, Chao-Han CHENG, Dongxiang LIAO, Bo LEI
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Patent number: 10819898Abstract: An imaging device includes a focusing element, an image sensor, and an actuator configured to translate at least one of the image sensor and the focusing element relative to each other. A controller of the imaging device is configured to use the image sensor to capture an image frame including at least a portion of the image of the object, determine a current position of the image of the object in the image frame, determine a deviation of the current position from a target position of the image of the object in the image frame, and operate the actuator to reduce the deviation. In this manner, the image of the object may be brought to a center of a captured image frame. Such an imaging device may be used as a self-aligning eye-tracking camera in a near-eye display.Type: GrantFiled: June 21, 2019Date of Patent: October 27, 2020Assignee: FACEBOOK TECHNOLOGIES, LLCInventors: Chao Han, Fei Liu