Patents by Inventor Mingfang Zhang
Mingfang Zhang 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: 20230414156Abstract: An electrophysiological mapping catheter device (10) includes a catheter, an adjusting handle device, electrodes, and a connector. The catheter includes an adjusting tube and a plurality of branch tubes. Two ends of each branch tube are respectively a connection end and a detection end. The detection ends are arranged in a staggered manner. The electrodes are respectively disposed on the detection ends, and the connection ends are connected to the adjusting tube. The adjusting tube is connected to the adjusting handle device. The adjusting handle device is capable of adjusting a bending angle of the adjusting tube. The connector is disposed on the adjusting handle device and is electrically connected to the electrodes. The connector is further configured to be connected with an electrophysiological system for transmitting electrical signals detected by the electrodes.Type: ApplicationFiled: July 29, 2021Publication date: December 28, 2023Inventors: Xingpeng LIU, Jingzhong SONG, Mingfang ZHANG, Xiaoping LUO, Jun MAO
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Patent number: 11522024Abstract: A display screen, comprising a panel (1), a light-emitting plate (2), a light blocking film (3) and an image sensor (4) that are stacked sequentially.Type: GrantFiled: May 9, 2017Date of Patent: December 6, 2022Assignee: Vkansee (Beijing) Technology Co., Ltd.Inventors: Mingfang Zhang, Yuanjing Wang, Qingwen Liu
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Publication number: 20210321654Abstract: The disclosure relates to a strain of high-temperature sensitive S. pastorianus and application thereof and belongs to the technical field of microorganisms. In the disclosure, the S. pastorianus Pilsner is mutagenized by ARTP, based on the principle that yeast intracellular alkaline phosphatase reacts with BCIP to produce blue precipitates, screening of high-temperature sensitive mutant strains can be carried out according to the appearance time and shade of the blue, and finally a strain of high-temperature sensitive S. pastorianus P-510 is obtained after screening and quickly autolyzed at 37° C. Autolysis of P-510 at 37° C. can promote the dissolution of autolysates to obtain highly flavored nucleotides, glucan and antioxidant active substances, which can be used for production of S. pastorianus autolysates with high nutritional values.Type: ApplicationFiled: June 30, 2021Publication date: October 21, 2021Inventors: Qi Li, Mingfang Zhang, Xinyue Li, Jinjing Wang, Chunfeng Liu, Chengtuo Niu, Feiyun Zheng
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Publication number: 20200320267Abstract: An image acquisition device and a fingerprint acquisition apparatus. The image acquisition device includes a transparent plate, an image sensor disposed under the transparent plate, and a light blocking layer disposed on an upper surface of the transparent plate. The light blocking layer is provided with a plurality of light transmission pinholes, and an image-side angle of view of the light transmission pinhole is ?=arcsin(n1/n2), where n2>n1. A distance d between centers of adjacent light transmission pinholes is greater than or equal to a diameter Dimage of an image-side field of view of the light transmission pinhole. The image acquisition device confines the size of the image-side field of view of the light transmission pinhole by using transparent mediums with different refractive indexes.Type: ApplicationFiled: May 9, 2017Publication date: October 8, 2020Inventors: Mingfang ZHANG, Yuanjing WANG
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Publication number: 20200127066Abstract: A display screen, comprising a panel (1), a light-emitting plate (2), a light blocking film (3) and an image sensor (4) that are stacked sequentially.Type: ApplicationFiled: May 9, 2017Publication date: April 23, 2020Inventors: Mingfang Zhang, Yuanjing Wang, Qingwen Liu
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Patent number: 10528783Abstract: A display screen having a fingerprint acquisition function includes a display screen cover plate (1), several display image elements (2) arranged below the display screen cover plate (1) and several photosensitive image elements (3). The several photosensitive image elements (3) are arranged below the display screen cover plate (1) and evenly distributed in gaps between the several display image elements (2). The photosensitive image element (3) includes a photosensitive element (4) and a field diaphragm (5), and a diaphragm hole (51) of the field diaphragm (5) is located above the photosensitive element (4). The photosensitive element (4) receives light emitted by the display image elements (2), reflected by a position of a finger surface contacted with the display screen cover plate (1), and entered into the photosensitive element through the diaphragm hole (51) of the field diaphragm (5).Type: GrantFiled: November 29, 2016Date of Patent: January 7, 2020Assignee: Vkansee (Beijing) Technology Co., Ltd.Inventor: Mingfang Zhang
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Patent number: 10482309Abstract: The present application discloses a method for controlling fingerprint acquisition based on a display screen and a related apparatus, which are applied to a display screen with a fingerprint acquisition function. In the disclosure, by detecting a fingerprint acquisition triggering instruction generated in an electronic device in real time, a preset fingerprint acquisition region of the display screen is controlled to emit light and a fingerprint sensor is triggered to acquire a fingerprint image, if and only if the fingerprint acquisition triggering instruction is detected. When the fingerprint acquisition triggering instruction does not exist, the display screen is not affected and the fingerprint sensor is in a non-operating state so as to save energy.Type: GrantFiled: May 9, 2017Date of Patent: November 19, 2019Assignee: Vkansee (Beijing) Technology Co., Ltd.Inventors: Mingfang Zhang, Xingyu Niu
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Patent number: 10482304Abstract: A fingerprint and palmprint image collector with a honeycomb structure and a terminal device are provided. The image collector includes a light guide plate, and a light source for emitting at least part of light into the light guide plate. A surface of the light guide plate is provided with a honeycomb plate. A plurality of vias parallel to each other are densely disposed on the honeycomb plate. The diameter of each via is in a range from 0.5 micrometer to 50 micrometers, and the size of an acquired fingerprint or palmprint is equal to the size of an acquired image. The thickness of the honeycomb plate is more than five times of the diameter of the via. The distance between centers of adjacent vias is less than or equal to 50.8 micrometers. The other surface of the honeycomb plate is provided with an image sensor. The image collector can be integrated into the terminal device.Type: GrantFiled: October 28, 2015Date of Patent: November 19, 2019Assignee: Vkansee Technology Company Ltd.Inventor: Mingfang Zhang
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Publication number: 20190236329Abstract: An image acquisition apparatus, a terminal device, a liquid crystal terminal device and an image acquisition method are provided according to the disclosure. The image acquisition apparatus includes an imaging plate and an image sensor disposed to be spaced apart from one side of the imaging plate. The imaging plate is provided with an imaging pinhole corresponding to the image sensor. The liquid crystal terminal device includes an LCD panel and a backlight element. The image acquisition apparatus is disposed at a position corresponding to the LCD panel within the backlight element. The image acquisition method includes acquiring an image of an object to being scanned by the image sensor through the imaging pinhole at a side of the imaging panel. An ultrathin fingerprint scanner can be formed based on pinhole imaging principle in the disclosure, and can be further combined with an LCD screen to accomplish fingerprint acquisition function.Type: ApplicationFiled: April 15, 2019Publication date: August 1, 2019Inventors: Mingfang Zhang, Shuguang Wang, Jianfeng Yang
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Patent number: 10360430Abstract: An image acquisition apparatus, a terminal device, a liquid crystal terminal device and an image acquisition method are provided according to the disclosure. The image acquisition apparatus includes an imaging plate and an image sensor disposed to be spaced apart from one side of the imaging plate. The imaging plate is provided with an imaging pinhole corresponding to the image sensor. The liquid crystal terminal device includes an LCD panel and a backlight element. The image acquisition apparatus is disposed at a position corresponding to the LCD panel within the backlight element. The image acquisition method includes acquiring an image of an object to being scanned by the image sensor through the imaging pinhole at a side of the imaging panel. An ultrathin fingerprint scanner can be formed based on pinhole imaging principle in the disclosure, and can be further combined with an LCD screen to accomplish fingerprint acquisition function.Type: GrantFiled: December 19, 2014Date of Patent: July 23, 2019Assignee: Vkansee Technology Company Ltd.Inventors: Mingfang Zhang, Shuguang Wang, Jianfeng Yang
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Publication number: 20190171861Abstract: Disclosed are an imaging pixel, an image acquisition device, a fingerprint acquisition apparatus, and a display apparatus supporting an acquisition function. The imaging pixel includes a cavity (1) in which an optical-to-electrical conversion unit is accommodated. A light blocking film (3) with a light transmission pinhole (2) covers over the cavity (1), and a transparent medium layer (4) and a microlens (5) are sequentially disposed on the light blocking film (3) from bottom to top. The microlens (5), the transparent medium layer (4), and the light transmission pinhole (2) are provided so that the imaging pixel has an object-side field of view (6) with a confined angle of view. An image point or an image spot of an object point within the object-side field (6) of view falls within the light transmission pinhole (2) of the light blocking film (3); and an image point or an image spot of an object point outside the object-side field (6) of view falls outside the light transmission pinhole (2).Type: ApplicationFiled: May 24, 2017Publication date: June 6, 2019Inventors: Mingfang Zhang, Xingyu Niu
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Publication number: 20190065808Abstract: The present application discloses a method for controlling fingerprint acquisition based on a display screen and a related apparatus, which are applied to a display screen with a fingerprint acquisition function. In the disclosure, by detecting a fingerprint acquisition triggering instruction generated in an electronic device in real time, a preset fingerprint acquisition region of the display screen is controlled to emit light and a fingerprint sensor is triggered to acquire a fingerprint image, if and only if the fingerprint acquisition triggering instruction is detected. When the fingerprint acquisition triggering instruction does not exist, the display screen is not affected and the fingerprint sensor is in a non-operating state so as to save energy.Type: ApplicationFiled: May 9, 2017Publication date: February 28, 2019Inventors: Mingfang Zhang, Xingyu Niu
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Patent number: 10083335Abstract: An image acquisition apparatus, a terminal device, a liquid crystal terminal device, and an image acquisition method are provided. The image acquisition apparatus (8) includes a light guide plate (1) and an image scanner (16) disposed to be spaced apart from the light guide plate (1), a light source (2) being disposed at a side of the light guide plate (1). The image acquisition apparatus (8) is integrated into the terminal device (7). The liquid crystal terminal device includes a LCD panel (11), a backlight element (12) and the image acquisition apparatus (8), an image scanner (16) of the image acquisition apparatus (8) being disposed in the backlight element (12). The image acquisition method includes: making at least part of light emitted by the light source (2) enter and propagate inside the light guide plate (1) through TIR, and acquiring an image of an object on the other side of the light guide plate (1) by an image scanner (16).Type: GrantFiled: December 26, 2014Date of Patent: September 25, 2018Assignee: Vkansee Technology Company Ltd.Inventor: Mingfang Zhang
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Patent number: 9996198Abstract: The present invention discloses a contact image acquisition device (11), a touch screen, a fingerprint acquisition device and an electronic device (101), wherein the contact image acquisition device includes: a light guide plate (1); a plurality of light emitters (2) configured for emitting at least a part of light beams into the light guide plate (1), wherein the plurality of light emitters (2) are disposed on at least one side of the light guide plate (1) or under the light guide plate (1); and a plurality of light receivers (3) configured for receiving the light beams emitted into the light guide plate (1) by the light emitters (2), wherein the plurality of light receivers (3) are arranged in a matrix. The touch screen, the fingerprint acquisition device and the electronic device (101) all include one or more of the contact image acquisition devices (11).Type: GrantFiled: May 29, 2015Date of Patent: June 12, 2018Assignee: Vkansee Technology Company Ltd.Inventor: Mingfang Zhang
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Publication number: 20180075278Abstract: A display screen having a fingerprint acquisition function includes a display screen cover plate (1), several display image elements (2) arranged below the display screen cover plate (1) and several photosensitive image elements (3). The several photosensitive image elements (3) are arranged below the display screen cover plate (1) and evenly distributed in gaps between the several display image elements (2). The photosensitive image element (3) includes a photosensitive element (4) and a field diaphragm (5), and a diaphragm hole (51) of the field diaphragm (5) is located above the photosensitive element (4). The photosensitive element (4) receives light emitted by the display image elements (2), reflected by a position of a finger surface contacted with the display screen cover plate (1), and entered into the photosensitive element through the diaphragm hole (51) of the field diaphragm (5).Type: ApplicationFiled: November 29, 2016Publication date: March 15, 2018Inventor: Mingfang Zhang
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Publication number: 20170351898Abstract: A fingerprint and palmprint image collector with a honeycomb structure and a terminal device are provided. The image collector includes a light guide plate, and a light source for emitting at least part of light into the light guide plate. A surface of the light guide plate is provided with a honeycomb plate. A plurality of vias parallel to each other are densely disposed on the honeycomb plate. The diameter of each via is in a range from 0.5 micrometer to 50 micrometers, and the size of an acquired fingerprint or palmprint is equal to the size of an acquired image. The thickness of the honeycomb plate is more than five times of the diameter of the via. The distance between centers of adjacent vias is less than or equal to 50.8 micrometers. The other surface of the honeycomb plate is provided with an image sensor. The image collector can be integrated into the terminal device.Type: ApplicationFiled: October 28, 2015Publication date: December 7, 2017Inventor: Mingfang Zhang
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Publication number: 20170249494Abstract: An image acquisition apparatus, a terminal device, a liquid crystal terminal device and an image acquisition method are provided according to the disclosure. The image acquisition apparatus includes an imaging plate and an image sensor disposed to be spaced apart from one side of the imaging plate. The imaging plate is provided with an imaging pinhole corresponding to the image sensor. The liquid crystal terminal device includes an LCD panel and a backlight element. The image acquisition apparatus is disposed at a position corresponding to the LCD panel within the backlight element. The image acquisition method includes acquiring an image of an object to being scanned by the image sensor through the imaging pinhole at a side of the imaging panel. An ultrathin fingerprint scanner can be formed based on pinhole imaging principle in the disclosure, and can be further combined with an LCD screen to accomplish fingerprint acquisition function.Type: ApplicationFiled: December 19, 2014Publication date: August 31, 2017Inventors: Mingfang Zhang, Shuguang Wang, Jianfeng Yang
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Publication number: 20170193270Abstract: An image acquisition apparatus, a terminal device, a liquid crystal terminal device, and an image acquisition method are provided. The image acquisition apparatus (8) includes a light guide plate (1) and an image scanner (16) disposed to be spaced apart from the light guide plate (1), a light source (2) being disposed at a side of the light guide plate (1). The image acquisition apparatus (8) is integrated into the terminal device (7). The liquid crystal terminal device includes a LCD panel (11), a backlight element (12) and the image acquisition apparatus (8), an image scanner (16) of the image acquisition apparatus (8) being disposed in the backlight element (12). The image acquisition method includes: making at least part of light emitted by the light source (2) enter and propagate inside the light guide plate (1) through TIR, and acquiring an image of an object on the other side of the light guide plate (1) by an image scanner (16).Type: ApplicationFiled: December 26, 2014Publication date: July 6, 2017Applicant: Vkansee Technology Company Ltd.Inventor: Mingfang Zhang
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Publication number: 20170185234Abstract: The present invention discloses a contact image acquisition device (11), a touch screen, a fingerprint acquisition device and an electronic device (101), wherein the contact image acquisition device includes: a light guide plate (1); a plurality of light emitters (2) configured for emitting at least a part of light beams into the light guide plate (1), wherein the plurality of light emitters (2) are disposed on at least one side of the light guide plate (1) or under the light guide plate (1); and a plurality of light receivers (3) configured for receiving the light beams emitted into the light guide plate (1) by the light emitters (2), wherein the plurality of light receivers (3) are arranged in a matrix. The touch screen, the fingerprint acquisition device and the electronic device (101) all include one or more of the contact image acquisition devices (11).Type: ApplicationFiled: May 29, 2015Publication date: June 29, 2017Inventor: Mingfang Zhang
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Publication number: 20100144855Abstract: The present invention disclosed the application of sedoisoprosan for preparation of medicine for therapy on human HBeAg positive chronic hepatitis B. Results of the clinical trials indicated that sedoisoprosan could effectively inhibit hepatitis B virus, the anti-virus effect is enhanced as the dose is increased and the incidence of adverse events is low. Thus, sedoisoprosan is safe and effective for therapy on human HBeAg positive chronic hepatitis B.Type: ApplicationFiled: August 4, 2009Publication date: June 10, 2010Applicant: GUANGDONG YUELONG PHARMACEUTICAL CO., LTD.Inventors: Qiaolong Zhang, Guoai Zheng, Mingfang Zhang, Manxiang Huang, Chunxu Zuo