-
公开(公告)号：US20210165755A1
公开(公告)日：2021-06-03
申请号：US17048246
申请日：2018-06-15
发明人： Yuanzhi Li
摘要： Disclosed are a three-in-one multimedia cable and an electronic drawing board system. The three-in-one multimedia cable includes a USB-type-C plug, an HDMI plug, a USB-type-A plug, and a power supply plug, the USB-type-C plug is connected to the HDMI plug, the USB-type-A plug, and the power supply plug respectively. The electronic drawing board system includes the three-in-one multimedia cable, a USB-type-C socket, an analog switch, and an electromagnetic screen module, the USB-type-C plug of the multimedia cable is connected to the USB-type-C socket, an output end of the USB-type-C socket is connected to an input end of the analog switch, and an output end of the analog switch is connected to an input end of the electromagnetic screen module. The three-in-one multimedia cable can reduce the number of cables, which is convenient for users to use, and can be widely applied to the field of data cables.
-
公开(公告)号：US11360583B2
公开(公告)日：2022-06-14
申请号：US17277650
申请日：2018-10-18
发明人： Yuanzhi Li , Liming Deng
IPC分类号： G06F3/046 , G06F3/0354 , G06F3/038
摘要： Disclosed is an electromagnetic fountain pen, which includes a pen core, a housing, and a pen body located in the housing, the housing includes a front housing and a rear housing, the pen body includes a first iron core and an iron core holder, the iron core holder is provided with a pen core clamp link, a second iron core, and a third iron core, coils are wound outside the first iron core and the second iron core, the first iron core is close to a pen tip of the pen core, the pen core is configured to pass through a center of the first iron core, and then is clamped by one end of the pen core clamp link.
-
公开(公告)号：US11256344B2
公开(公告)日：2022-02-22
申请号：US17277833
申请日：2018-10-18
发明人： Yuanzhi Li , Liming Deng
IPC分类号： G06F3/0354
摘要： Disclosed is a passive electromagnetic pen, which includes a pen core, a first iron core, and an iron core holder, wherein a coil is wound outside the first iron core, the first iron core is fixed to an end of the iron core holder close to a pen tip of the pen core, a second iron core, an elastic component, a pressure regulating plate, and a first structure matched with the pressure regulating plate are disposed in the iron core holder sequentially from front to back, and the pen core is configured to pass through a center of the first iron core, and then drive the second iron core to move; and the pressure regulating plate when in rotation is configured to be in surface contact with the first structure by a surface, so as to generate an axial displacement to change an axial displacement of the elastic opponent.
-
公开(公告)号：US11714099B2
公开(公告)日：2023-08-01
申请号：US16964233
申请日：2018-03-09
发明人： Yuanzhi Li
IPC分类号： G01P3/487 , G06F3/0362 , G01D5/14
CPC分类号： G01P3/487 , G01D5/142 , G06F3/0362
摘要： A magnetic roller device and a method for calculating rotation information thereof are disclosed. The magnetic roller device includes a multipole magnet, an MCU, plurality of Hall components, and a roller disposed on a handwriting device, wherein the multipole magnet is disposed on the roller, the multipole magnet includes at least one pair of magnetic poles with opposite polarities, and output ends of the plurality of Hall components are connected to an input end of the MCU; the plurality of Hall components are all located on a same plane of a magnetic field sensing space of the multipole magnet, and distances between each of the plurality of Hall components and the multipole magnet are equal; and a distance between two adjacent ones of the plurality of Hall components is less than half of a width of each magnetic pole in the multipole magnet.
-
公开(公告)号：US11360922B2
公开(公告)日：2022-06-14
申请号：US17048246
申请日：2018-06-15
发明人： Yuanzhi Li
摘要： Disclosed are a three-in-one multimedia cable and an electronic drawing board system. The three-in-one multimedia cable includes a USB-type-C plug, an HDMI plug, a USB-type-A plug, and a power supply plug, the USB-type-C plug is connected to the HDMI plug, the USB-type-A plug, and the power supply plug respectively. The electronic drawing board system includes the three-in-one multimedia cable, a USB-type-C socket, an analog switch, and an electromagnetic screen module, the USB-type-C plug of the multimedia cable is connected to the USB-type-C socket, an output end of the USB-type-C socket is connected to an input end of the analog switch, and an output end of the analog switch is connected to an input end of the electromagnetic screen module. The three-in-one multimedia cable can reduce the number of cables, which is convenient for users to use, and can be widely applied to the field of data cables.
-
公开(公告)号：US20210041962A1
公开(公告)日：2021-02-11
申请号：US16964246
申请日：2018-03-09
发明人： Yuanzhi Li
IPC分类号： G06F3/0362 , G06F3/038
摘要： Disclosed are a magnetic roller damping device and an implementing method thereof. The device includes a magnetic roller and a magnetic damping mechanism. The magnetic roller includes a first multipole magnet that includes at least one pair of magnetic poles with opposite polarities. The magnetic damping mechanism uses a magnetic damping magnet or metal attractable to the first multipole magnet, the magnetic damping magnet or metal is positioned in a magnetic field of the first multipole magnet, and a distance between the magnetic damping magnet or metal and the magnetic roller is adjustable.
-
公开(公告)号：US11573650B2
公开(公告)日：2023-02-07
申请号：US16964246
申请日：2018-03-09
发明人： Yuanzhi Li
IPC分类号： G06F3/0362 , G06F3/038
摘要： Disclosed are a magnetic roller damping device and an implementing method thereof. The device includes a magnetic roller and a magnetic damping mechanism. The magnetic roller includes a first multipole magnet that includes at least one pair of magnetic poles with opposite polarities. The magnetic damping mechanism uses a magnetic damping magnet or metal attractable to the first multipole magnet, the magnetic damping magnet or metal is positioned in a magnetic field of the first multipole magnet, and a distance between the magnetic damping magnet or metal and the magnetic roller is adjustable.
-
公开(公告)号：US11287906B2
公开(公告)日：2022-03-29
申请号：US17277890
申请日：2018-10-18
发明人： Yuanzhi Li , Liming Deng
IPC分类号： G06F3/0354 , H01F27/24 , H01F27/28
摘要： Disclosed is a passive electromagnetic fountain pen, which includes a pen core and a pen body, wherein the pen body includes a first iron core and an iron core holder, a pen core clamp link, a second iron core, a third iron core, an elastic component, a pressure regulating plate, and a first structure matched with the pressure regulating plate are disposed sequentially from front to back in the iron core holder, coils are wound outside the first iron core and the second iron core, the first iron core is close to a pen tip of the pen core, the second iron core is fixedly connected with the iron core holder, the pen core is configured to pass through a center of the first iron core, and then be clamped by one end of the pen core clamp link.
-
-
-
-
-
-
-
搜索结果
8 条记录 (耗时 0.013 秒)
