Patents by Inventor Liyun Liu
Liyun Liu 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: 11923627Abstract: An antenna structure, PCB and mobile terminal for Sub-6G. The antenna structure includes a first branch and a second branch. The first branch includes an L-shaped arm and a first longitudinal arm extending outwardly from the PCB. The first longitudinal arm is connected to the ground of the PCB. One end of the L-shaped arm is connected to the end of the first longitudinal arm. The second branch is L-shaped, and one end of the second branch is connected to the antenna feed point of the PCB. At least one microstrip line is connected between the first longitudinal arm and the second branch.Type: GrantFiled: December 19, 2019Date of Patent: March 5, 2024Assignee: HuiZhou TCL Mobile Communication Co., Ltd.Inventors: Lei Chen, Liyun Liu
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Patent number: 11799994Abstract: Disclosed are an antenna tuning method and apparatus, and a storage medium. The antenna tuning method is applied in a mobile terminal and comprises: detecting the current sliding state of a cover body in a mobile terminal, the sliding state comprising s a sliding open state and a sliding closed state; and tuning an antenna in the cover body according to the current sliding state.Type: GrantFiled: December 19, 2019Date of Patent: October 24, 2023Assignee: HUIZHOU TCL MOBILE COMMUNICATION CO., LTD.Inventors: Lei Chen, Liyun Liu
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Patent number: 11589454Abstract: A printed circuit board and a terminal are provided. The printed circuit board includes a feedpoint arrangement region, a ground point arrangement region, and a ground region. The ground region is adjacent to and connected to the ground point arrangement region and is configured to be a ground plate of the antenna. A radiation reduction structure is arranged in the ground region and defines an opening. Therefore, an edge of the printed circuit board is disrupted by the opening.Type: GrantFiled: June 19, 2020Date of Patent: February 21, 2023Assignee: JRD COMMUNICATION (SHENZHEN) LTD.Inventors: Lei Chen, Liyun Liu
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Publication number: 20220368018Abstract: An antenna structure, PCB and mobile terminal for Sub-6G. The antenna structure includes a first branch and a second branch. The first branch includes an L-shaped arm and a first longitudinal arm extending outwardly from the PCB. The first longitudinal arm is connected to the ground of the PCB. One end of the L-shaped arm is connected to the end of the first longitudinal arm. The second branch is L-shaped, and one end of the second branch is connected to the antenna feed point of the PCB. At least one microstrip line is connected between the first longitudinal arm and the second branch.Type: ApplicationFiled: December 19, 2019Publication date: November 17, 2022Applicant: HuiZhou TCL Mobile Communication Co., Ltd.Inventors: Lei CHEN, Liyun LIU
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Publication number: 20220247844Abstract: Disclosed are an antenna tuning method and apparatus, and a storage medium. The antenna tuning method is applied in a mobile terminal and comprises: detecting the current sliding state of a cover body in a mobile terminal, the sliding state comprising s a sliding open state and a sliding closed state; and tuning an antenna in the cover body according to the current sliding state.Type: ApplicationFiled: December 19, 2019Publication date: August 4, 2022Inventors: Lei CHEN, Liyun LIU
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Patent number: 11374312Abstract: The present disclosure discloses an antenna device and a terminal. The antenna device includes a first branch, a second branch, a third branch, a public branch, and a feed point. The first branch, the second branch, the third branch, a public branch and the feed point constitute a diversity antenna cooperatively. The first branch is configured as an earpiece metal mesh. The feed point is electrically connected to the first branch. The second branch and the third branch are electrically connected to an end of the public branch, respectively. An another end of the public branch is electrically connected to the feed point.Type: GrantFiled: June 24, 2020Date of Patent: June 28, 2022Assignee: JRD COMMUNICATION (SHENZHEN) LTD.Inventors: Lei Chen, Liyun Liu
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Publication number: 20210196373Abstract: The application relates to a reaming type non-implanted atrial shunt device comprising a catheter component (2), a radio frequency component (1) disposed on an end of the catheter component (2) extending into a human body, and a radio frequency ablation instrument (4) disposed on the other end of the catheter component (2) and connected with the radio frequency component (1), wherein after the radio frequency component (1) extends into a puncture hole, the radio frequency ablation instrument (4) releases a radio frequency energy, and the radio frequency component (1) ablates a wall of the puncture hole. The radio frequency component (1) is delivered to the position of the puncture hole. When the radio frequency ablation instrument (4) releases energy, the radio frequency component (1) causes the hole wall tissue to generate heat and ablate the atrial septum at a target position to form a hole with fixed size, thereby achieving the purpose of creating a hole.Type: ApplicationFiled: December 30, 2019Publication date: July 1, 2021Inventors: Tao HE, Yishou DING, Xibo ZHANG, Xiangyi LI, Jie CAI, Liyun LIU, Ping HE, Hao CHEN, Yuxin ZHANG, Zhongjie PU
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Patent number: 10819019Abstract: A mobile communication device and an antenna thereof are provided. The antenna includes a microphone and an antenna feeder, both arranged on a main board of the mobile communication device. The microphone includes a body portion, a first ground terminal and a second ground terminal. The first ground terminal surrounds a sidewall of the body portion, the first ground terminal and the second ground terminal are electrically connected, and the second ground terminal is electrically connected with the body portion. The main board is further arranged with a radio frequency module and a main board ground terminal. The radio frequency module is electrically connected with the first ground terminal through the antenna feeder, and the main board ground terminal and the second ground terminal are electrically connected.Type: GrantFiled: July 24, 2018Date of Patent: October 27, 2020Assignee: HUIZHOU TCL MOBILE COMMUNICATION CO., LTD.Inventors: Lei Chen, Liyun Liu
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Publication number: 20200321687Abstract: A printed circuit board and a terminal are provided. The printed circuit board includes a feedpoint arrangement region, a ground point arrangement region, and a ground region. The ground region is adjacent to and connected to the ground point arrangement region and is configured to be a ground plate of the antenna. A radiation reduction structure is arranged in the ground region and defines an opening. Therefore, an edge of the printed circuit board is disrupted by the opening.Type: ApplicationFiled: June 19, 2020Publication date: October 8, 2020Inventors: LEI CHEN, Liyun Liu
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Publication number: 20200321696Abstract: The present disclosure discloses an antenna device and a terminal. The antenna device includes a first branch, a second branch, a third branch, a public branch, and a feed point. The first branch, the second branch, the third branch, a public branch and the feed point constitute a diversity antenna cooperatively. The first branch is configured as an earpiece metal mesh. The feed point is electrically connected to the first branch. The second branch and the third branch are electrically connected to an end of the public branch, respectively. An another end of the public branch is electrically connected to the feed point.Type: ApplicationFiled: June 24, 2020Publication date: October 8, 2020Inventors: Lei Chen, Liyun Liu
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Publication number: 20200176853Abstract: A mobile communication device and an antenna thereof are provided. The antenna includes a microphone and an antenna feeder, both arranged on a main board of the mobile communication device. The microphone includes a body portion, a first ground terminal and a second ground terminal. The first ground terminal surrounds a sidewall of the body portion, the first ground terminal and the second ground terminal are electrically connected, and the second ground terminal is electrically connected with the body portion. The main board is further arranged with a radio frequency module and a main board ground terminal. The radio frequency module is electrically connected with the first ground terminal through the antenna feeder, and the main board ground terminal and the second ground terminal are electrically connected.Type: ApplicationFiled: July 24, 2018Publication date: June 4, 2020Inventors: LEI CHEN, LIYUN LIU
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Patent number: 8609137Abstract: The present invention discloses a novel soft capsule of butylphthalide and a process for preparing the same. The soft capsule of butylphthalide is composed of a capsule wall material and a drug-containing oil, wherein the drug-containing oil is essentially composed of butylphthalide and a vegetable oil as the diluent in a weight ratio of about 1:0˜10. The capsule wall material is composed of a capsule wall matrix, a plasticizer and water in a weight ratio of 1:0.2˜0.4:0.8˜1.3. The soft capsule of butylphthalide described in the present invention can mask the strong and special flavor of butylphthalide, and overcome the difficulties associated with formulating oily active ingredient into other oral formulation. The disintegration time of the soft capsule satisfies the requirement of Pharmacopoeia of P.R. China.Type: GrantFiled: April 22, 2011Date of Patent: December 17, 2013Assignees: CSPC Zhongqi Pharmaceutical Technology (Shijiazhuang) Co., Ltd., CSPC NBP Pharmaceutical Co., Ltd.Inventors: Jianqing Li, Min Bai, Wenmin Guo, Surui Chen, Liyun Liu, Guirong Zhou
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Publication number: 20120052117Abstract: The present invention discloses a novel soft capsule of butylphthalide and a process for preparing the same. The soft capsule of butylphthalide is composed of a capsule wall material and a drug-containing oil, wherein the drug-containing oil is essentially composed of butylphthalide and a vegetable oil as the diluent in a weight ratio of about 1:0˜10. The capsule wall material is composed of a capsule wall matrix, a plasticizer and water in a weight ratio of 1:0.2˜0.4:0.8˜1.3. The soft capsule of butylphthalide described in the present invention can mask the strong and special flavour of butylphthalide, and overcome the difficulties associated with formulating oily active ingredient into other oral formulation. The disintegration time of the soft capsule satisfies the requirement of Pharmacopoeia of P.R. China.Type: ApplicationFiled: April 22, 2011Publication date: March 1, 2012Inventors: Jianqing Li, Min Bai, Wenmin Guo, Surui Chen, Liyun Liu, Guirong Zhou
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Publication number: 20080305163Abstract: The present invention discloses a novel dosage form of butylphthalide soft capsule and its preparation procedure. Butylphthalide soft capsule is composed of a coating material and a drug-containing oil. The drug-containing oil is basically composed of butylphthalide and diluent—vegetable oil, wherein the weight ratio of butylphthalide to oil ranges from 1:0˜10. The coating material is composed of gelatin, plasticizer and water, wherein the weight ratio of gelatin to plasticizer to water is in the range of 1:0.2˜0.4:0.8˜0.3. The butylphthalide soft capsule described in this invention can mask the strong and specific flavor of butylphthalide, and overcome the difficulties associated with formulating oily active agents into other oral preparations. The disintegration time of the soft capsule complies with the requirement of Pharmacopoeia of P.R. China.Type: ApplicationFiled: August 20, 2008Publication date: December 11, 2008Inventors: Jianqing Li, Min Bai, Wenmin Guo, Surui Chen, Liyun Liu, Guirong Zhou
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Publication number: 20080020034Abstract: The present invention discloses a novel dosage form of butylphthalide soft capsule and its preparation procedure. Butylphthalide soft capsule is composed of a coating material and a drug-containing oil. The drug-containing oil is basically composed of butylphthalide and diluent—vegetable oil, wherein the weight ratio of butylphthalide to oil ranges from 1:0-10. The coating material is composed of gelatin, plasticizer and water, wherein the weight ratio of gelatin to plasticizer to water is in the range of 1:0.2{tilde over ( )}0.4:0.8{tilde over ( )}0.3. The butylphthalide soft capsule described in this invention can mask the strong and specific flavor of butylphthalide, and overcome the difficulties associated with formulating oily active agents into other oral preparations. The disintegration time of the soft capsule complies with the requirement of Pharmacopoeia of P.R. China.Type: ApplicationFiled: December 3, 2004Publication date: January 24, 2008Inventors: Jianqing Li, Min Bai, Wenmin Guo, Surui Chen, Liyun Liu, Guirong Zhou
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Publication number: 20070134316Abstract: The present invention discloses a novel soft capsule of butylphthalide and a process for preparing the same. The soft capsule of butylphthalide is composed of a capsule wall material and a drug-containing oil, wherein the drug-containing oil is essentially composed of butylphthalide and a vegetable oil as the diluent in a weight ratio of about 1:0˜10. The capsule wall material is composed of a capsule wall matrix, a plasticizer and water in a weight ratio of 1:0.2˜0.4:0.8˜1.3. The soft capsule of butylphthalide described in the present invention can mask the strong and special flavour of butylphthalide, and overcome the difficulties associated with formulating oily active ingredient into other oral formulation. The disintegration time of the soft capsule satisfies the requirement of Pharmacopoeia of P.R. China.Type: ApplicationFiled: June 2, 2006Publication date: June 14, 2007Inventors: Jianqing Li, Min Bai, Wenmin Guo, Surui Chen, Liyun Liu, Guirong Zhou
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Patent number: D1005447Type: GrantFiled: August 31, 2023Date of Patent: November 21, 2023Assignee: Quanzhou Ouweipai Sanitary Ware Co., Ltd.Inventor: Liyun Liu
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Patent number: D1043144Type: GrantFiled: February 8, 2023Date of Patent: September 24, 2024Inventor: Liyun Liu
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Patent number: D1044295Type: GrantFiled: December 27, 2022Date of Patent: October 1, 2024Inventor: Liyun Liu
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Patent number: D1055225Type: GrantFiled: February 13, 2023Date of Patent: December 24, 2024Assignee: Quanzhou Ouweipai Sanitary Ware Co., Ltd.Inventor: Liyun Liu