Patents by Inventor Xiangjun Zhu
Xiangjun Zhu 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).
-
Publication number: 20240080134Abstract: A method, circuit, audio playback device, and system of sending and receiving Bluetooth packet loss data is disclosed. The method includes: step S100, receiving a forwarding request sent by a second audio playback device in a receiving state; step S200, monitoring the retransmission information of an audio source device retransmitting current audio data on Link 1 according to the forwarding request; step S300, determining whether the retransmission information is monitored; step S400, switching from the receiving state to a sending state; and step S500, forwarding the current audio data to the second audio playback device through Link 2 in accordance with the time sequence of the audio source device retransmitting the current audio data. The signal can be provided to the second audio playback device from different locations.Type: ApplicationFiled: November 10, 2023Publication date: March 7, 2024Inventors: Jiajun Zhu, Haitao Huang, Qiming Zhang, Xiangjun Hu, Guangjun Luo, Ziming Huang, Xin Yu
-
Patent number: 11839792Abstract: A multifunctional fitness chair includes an underframe, an armrest frame, an upper backrest frame, and a lower backrest frame. The underframe comprises left and right underframes, and underframe fixed shaft, and the armrest frame comprises left and right armrest frames and armrest fixed shaft, the left and right underframes are hinged on the left and right armrest frames, and the extension parts of the left and right armrest frames are correspondingly provided with left and right limiting plates which restrict the upward rotation of the left and right underframes. The upper backrest frame is fixed with an upper backrest shaft bushing, and at least two sets of symmetrically distributed upper backrests are arranged on the upper backrest frame. The lower backrest frame is fixed with a lower backrest shaft bushing, and at least two sets of symmetrically distributed lower backrests are arranged on the lower backrest frame.Type: GrantFiled: June 14, 2019Date of Patent: December 12, 2023Assignee: ZHEJIANG RAYTHEON TECHNOLOGY CO., LTD.Inventor: Xiangjun Zhu
-
Publication number: 20220088436Abstract: A multifunctional fitness chair includes an underframe, an armrest frame, an upper backrest frame, and a lower backrest frame. The underframe comprises left and right underframes, and underframe fixed shaft, and the armrest frame comprises left and right armrest frames and armrest fixed shaft, the left and right underframes are hinged on the left and right armrest frames, and the extension parts of the left and right armrest frames are correspondingly provided with left and right limiting plates which restrict the upward rotation of the left and right underframes. The upper backrest frame is fixed with an upper backrest shaft bushing, and at least two sets of symmetrically distributed upper backrests are arranged on the upper backrest frame. The lower backrest frame is fixed with a lower backrest shaft bushing, and at least two sets of symmetrically distributed lower backrests are arranged on the lower backrest frame.Type: ApplicationFiled: June 14, 2019Publication date: March 24, 2022Inventor: Xiangjun ZHU
-
Patent number: 11157767Abstract: This invention provides an image searching method based on feature extraction to determine at least one sample image similar to the image to be searched, including the following steps: a. feature extraction on all sample images to obtain all corresponding feature information, while all sample images are I1, I2, . . . , IS and all said feature information corresponding to all sample images are V1, V2, . . . , VS; b. creating an index tree based on all of said feature information; c. obtaining the feature information corresponding to the image to be searched based on the feature extraction; d. determining said feature information corresponding to at least one sample image having a minimum distance from the image to be searched based on the index tree and the feature information of the image to be searched.Type: GrantFiled: November 22, 2019Date of Patent: October 26, 2021Assignee: Shanghai Firstbrave Information Technology Co., Ltd.Inventors: Qingchuan Wang, Guanyong Wu, Feng Liu, Xiangjun Zhu
-
Publication number: 20200202164Abstract: This invention provides an image searching method based on feature extraction to determine at least one sample image similar to the image to be searched, including the following steps: a. feature extraction on all sample images to obtain all corresponding feature information, while all sample images are I1, I2, . . . , IS and all said feature information corresponding to all sample images are V1, V2, . . . , VS; b. creating an index tree based on all of said feature information; c. obtaining the feature information corresponding to the image to be searched based on the feature extraction; d. determining said feature information corresponding to at least one sample image having a minimum distance from the image to be searched based on the index tree and the feature information of the image to be searched.Type: ApplicationFiled: November 22, 2019Publication date: June 25, 2020Inventors: Qingchuan WANG, Guanyong WU, Feng LIU, Xiangjun ZHU
-
Patent number: 10610203Abstract: Methods, systems, and media for determining carotid intima-media thickness are provided. In some embodiments, a method for determining carotid intima-media thickness of a carotid artery is provided, the method comprising: receiving a frame from a plurality of images, wherein each of the plurality of images includes a portion of the carotid artery; receiving a user selection of a location with the frame; setting a region of interest, based on the received user selection; detecting a first border and a second border within the region of interest; applying one or more active contour models to the first border and the second border to generate a smoothed first border and a smoothed second border; and calculating the intima-media thickness based at least in part on the smoothed first border and the second smoothed border.Type: GrantFiled: February 13, 2012Date of Patent: April 7, 2020Assignees: The Arizona Board of Regents on Behalf of Arizona State University, The Mayo Foundation for Medical Education and ResearchInventors: Jianming Liang, Xiangjun Zhu, Christopher B. Kendall, Robert T. Hurst
-
Patent number: 8900105Abstract: A slimming machine, comprising U-shaped left and right arm tubes and resiliently retractable mechanisms that are attached to the two ends thereof, in which each resiliently retractable mechanism includes an inner joint cover, an outer joint cover and a torsion spring, left and right splice sleeves that are fixed on the respective inner and outer joint covers are connected with inner chambers of the joint covers, the outer joint cover can be rotationally mounted on the inner joint cover via a connecting shaft, the torsion spring is sheathed on the connecting shaft with one end disposed in the left splice sleeve and the other end in the right splice sleeve, and the left and right splice sleeves are fixed on the respective left and right arm tubes. Such structure is simple, reasonable, easy to operate, cost effective, and meanwhile it has excellent fitness effects.Type: GrantFiled: January 18, 2012Date of Patent: December 2, 2014Inventor: Xiangjun Zhu
-
Publication number: 20140135627Abstract: Methods, systems, and media for determining carotid intima-media thickness are provided. In some embodiments, a method for determining carotid intima-media thickness of a carotid artery is provided, the method comprising: receiving a frame from a plurality of images, wherein each of the plurality of images includes a portion of the carotid artery; receiving a user selection of a location with the frame; setting a region of interest, based on the received user selection; detecting a first border and a second border within the region of interest; applying one or more active contour models to the first border and the second border to generate a smoothed first border and a smoothed second border; and calculating the intima-media thickness based at least in part on the smoothed first border and the second smoothed border.Type: ApplicationFiled: February 13, 2012Publication date: May 15, 2014Inventors: Jianming Liang, Xiangjun Zhu, Christopher B. Kendall, Robert T. Hurst
-
Publication number: 20120184419Abstract: A slimming machine, comprising U-shaped left and right arm tubes and resiliently retractable mechanisms that are attached to the two ends thereof, in which each resiliently retractable mechanism includes an inner joint cover, an outer joint cover and a torsion spring, left and right splice sleeves that are fixed on the respective inner and outer joint covers are connected with inner chambers of the joint covers, the outer joint cover can be rotationally mounted on the inner joint cover via a connecting shaft, the torsion spring is sheathed on the connecting shaft with one end disposed in the left splice sleeve and the other end in the right splice sleeve, and the left and right splice sleeves are fixed on the respective left and right arm tubes. Such structure is simple, reasonable, easy to operate, cost effective, and meanwhile it has excellent fitness effects.Type: ApplicationFiled: January 18, 2012Publication date: July 19, 2012Inventor: Xiangjun Zhu
-
Patent number: D723638Type: GrantFiled: August 26, 2013Date of Patent: March 3, 2015Assignee: Zhejiang Raytheon Technology Co., LtdInventor: Xiangjun Zhu
-
Patent number: D730458Type: GrantFiled: June 11, 2014Date of Patent: May 26, 2015Assignee: Zhejiang UniversityInventor: Xiangjun Zhu
-
Patent number: D787614Type: GrantFiled: October 5, 2015Date of Patent: May 23, 2017Assignee: Zhejiang Raytheon Technology Co., Ltd.Inventor: Xiangjun Zhu
-
Patent number: D842398Type: GrantFiled: December 1, 2017Date of Patent: March 5, 2019Assignee: ZHEJIANG RAYTHEON TECHNOLOGY CO., LTD.Inventor: Xiangjun Zhu
-
Patent number: D852906Type: GrantFiled: December 1, 2017Date of Patent: July 2, 2019Assignee: ZHEJIANG RAYTHEON TECHNOLOGY CO., LTD.Inventor: Xiangjun Zhu
-
Patent number: D951375Type: GrantFiled: July 24, 2019Date of Patent: May 10, 2022Assignee: Zhejiang Raytheon Technology Co., Ltd.Inventor: Xiangjun Zhu