Patents by Inventor Zhigang Na
Zhigang Na 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).
-
Patent number: 11644863Abstract: An electronic device includes a first body, a second body, a connection device, and a bearing mechanism. The first body includes a support plane. The connection device is arranged at the support plane and is configured to connect the first body and the second body. The bearing mechanism is arranged at the first body. The connection device includes a plurality of connection members between the first body and the second body, and the second body rotates on the support plane through movements and rotations of the connection members in a plurality of slideways located on the support plane. The bearing mechanism is connected with the connection members and drives the connection members to move on the support plane to bear gravity of the second body.Type: GrantFiled: September 13, 2021Date of Patent: May 9, 2023Assignee: LENOVO (BEIJING) LIMITEDInventors: Zhigang Na, Dehong Meng, Shuhui Cai, Jinshan Chen
-
Publication number: 20220171427Abstract: A support structure for supporting objects of different weights includes a bracket, an elastic member, and an adjustment assembly. The bracket is configured to support different supported objects of different weights. The elastic member is arranged on the bracket and configured to deform elastically to provide torques for the supported objects. The adjustment assembly is connected between the bracket and the supported object. The adjustment assembly compresses the elastic member by the weights of the supported objects to produce torsional deformations of different degrees and enables the bracket to support the supported objects.Type: ApplicationFiled: September 14, 2021Publication date: June 2, 2022Inventors: Yadi LUO, Zhigang NA
-
Publication number: 20220100225Abstract: An electronic device includes a first body, a second body, a connection device, and a bearing mechanism. The first body includes a support plane. The connection device is arranged at the support plane and is configured to connect the first body and the second body. The bearing mechanism is arranged at the first body. The connection device includes a plurality of connection members between the first body and the second body, and the second body rotates on the support plane through movements and rotations of the connection members in a plurality of slideways located on the support plane. The bearing mechanism is connected with the connection members and drives the connection members to move on the support plane to bear gravity of the second body.Type: ApplicationFiled: September 13, 2021Publication date: March 31, 2022Inventors: Zhigang NA, Dehong MENG, Shuhui CAI, Jinshan CHEN
-
Patent number: 10136553Abstract: A heat dissipation device and an electronic device thereof are provided. The heat dissipation device includes a heat dissipation body including a closed chamber; and at least two pumps in the closed chamber to drive heat dissipation medium contained in the closed chamber to flow in one or more loops.Type: GrantFiled: April 24, 2017Date of Patent: November 20, 2018Assignee: LENOVO (BEIJING) CO., LTD.Inventors: Zizhou Jia, Ying Sun, Zhigang Na
-
Patent number: 10031564Abstract: An apparatus is disclosed that includes a heat pipe. The heat pipe includes a heat dissipation section arranged to dissipate heat using a fan. The heat pipe further includes a heat absorption section arranged to absorb heat from a heat source of an electronic device. The heat pipe further includes a heat dissipation medium disposed inside the heat pipe. The apparatus further includes a driving member coupled to the heat pipe and configured to drive the heat dissipation medium to flow circularly inside the heat pipe.Type: GrantFiled: December 28, 2016Date of Patent: July 24, 2018Assignee: Lenovo (Beijing) LimitedInventors: Zizhou Jia, Ying Sun, Zhigang Na
-
Patent number: 10018201Abstract: Embodiments of the application disclose a fan and a mold for making a fan blade structure for the fan. An embodiment of the fan comprises a fan blade structure and the fan blade structure comprises a mounting ring and a plurality of fan blades provided on the mounting ring, wherein mounting ring and the fan blades are integrally formed. The mold comprises a mounting ring and a plurality of fan blades provided on the mounting ring, the mold comprising a cavity having a ring-shaped channel configured for forming the mounting ring and a plurality of fan blade channels configured for forming the plurality of fan blades, in order to integrally form the fan blade structure.Type: GrantFiled: March 13, 2015Date of Patent: July 10, 2018Assignees: BEIJING LENOVO SOFTWARE LTD., LENOVO (BEIJING) LIMITEDInventors: Zizhou Jia, Zhigang Na, Ying Sun
-
Patent number: 9933764Abstract: A rotating shaft device, an electronic device and a control method thereof are provided according to the present application. The rotating shaft device includes a driving component and a rotating component. The driving component is configured to receive a control signal, and adjust a torsion force of the rotating component based on the control signal. In the case that the rotating shaft device is applied on the electronic device, various control signals may be provided to control the driving component to adjust a torsion force of the rotating component by the controller, such that the torsion force of the electronic device in a folding or unfolding process is smaller than the torsion force of the electronic device in a state being maintained, which solves the issue of poor user experience resulted from being difficult to fold or unfold and inconvenient to operate.Type: GrantFiled: June 30, 2015Date of Patent: April 3, 2018Assignee: Lenovo (Beijing) Co., Ltd.Inventors: Zhigang Na, Huajun Dong, Maojiang Shen
-
Patent number: 9868271Abstract: The embodiment of the present disclosure provides a composite sheet, an electronic apparatus and a method for producing a component from the composite sheet, the composite sheet comprises a first sheet layer, a second sheet layer and a solid layer, wherein, the first sheet layer comprises at least one layer of first reinforced material; the second sheet layer comprises at least one layer of second reinforced material; the solid layer is located between the first sheet and the second sheet layer, wherein the solid layer is capable of being protruded from an interlayer space between the first sheet and the second sheet layer. Because the solid layer may be thermoplastic resin material which has a light weight, the entire weight of the composite sheet may be reduced.Type: GrantFiled: March 17, 2015Date of Patent: January 16, 2018Assignees: Beijing Lenovo Software Ltd., Lenovo (Beijing) LimitedInventors: Chunsun Zhang, Zhigang Na
-
Publication number: 20170374763Abstract: A heat dissipation device and an electronic device thereof are provided. The heat dissipation device includes a heat dissipation body including a closed chamber; and at least two pumps in the closed chamber to drive heat dissipation medium contained in the closed chamber to flow in one or more loops.Type: ApplicationFiled: April 24, 2017Publication date: December 28, 2017Inventors: Zizhou JIA, Ying SUN, Zhigang NA
-
Patent number: 9841034Abstract: A fan and an electronic apparatus are disclosed. The fan comprises a housing and a blade wheel. The housing is shaped as a hollow column, a thickness of the housing is less than a preset thickness, a radial air inlet and an air outlet are disposed in a side of the housing, and the blade wheel is mounted in the housing and shaped as a cylinder. The housing is also provided with an axial air inlet disposed in at least one bottom surface of the housing so that air can enter the housing from the bottom surface by rotating the blade wheel. The heat dissipation performance of the fan is improved, the present invention solves the technical problem in the prior art that thinning of the fan in the super-thin electronic apparatus will lead to reduction in heat dissipation performance, and achieving technical effects that the electronic apparatus has high heat dissipation performance while super thinning the electronic apparatus.Type: GrantFiled: March 6, 2014Date of Patent: December 12, 2017Assignees: BEIJING LENOVO SOFTWARE LTD., LENOVO (BEIJING) LIMITEDInventors: Zizhou Jia, Ying Sun, Zhigang Na
-
Publication number: 20170295668Abstract: A heat-dissipation device and an electronic apparatus are provided. The heat-dissipation device includes a pump and a pipe. The pump includes a rotary portion and a driving portion. The rotary portion is disposed in the pipe, and the driving portion is operative to provide a rotary driving force to the rotary portion to circulate a cooling fluid within the pipe.Type: ApplicationFiled: March 7, 2017Publication date: October 12, 2017Inventors: Zizhou JIA, Zhigang NA, Ying SUN
-
Publication number: 20170185116Abstract: An apparatus is disclosed that includes a heat pipe. The heat pipe includes a heat dissipation section arranged to dissipate heat using a fan. The heat pipe further includes a heat absorption section arranged to absorb heat from a heat source of an electronic device. The heat pipe further includes a heat dissipation medium disposed inside the heat pipe. The apparatus further includes a driving member coupled to the heat pipe and configured to drive the heat dissipation medium to flow circularly inside the heat pipe.Type: ApplicationFiled: December 28, 2016Publication date: June 29, 2017Inventors: Zizhou Jia, Ying Sun, Zhigang Na
-
Patent number: 9459655Abstract: A laptop includes a screen and a base having a keyboard. An end of the screen is articulated to an end of the base via a rotating device; and a first distance between a bottom edge of the screen and a bottom edge of the keyboard is smaller than a second distance between a top end of the screen and the bottom edge of the keyboard when the screen is closed onto the base. A guide rail is provided at two sides of the base, and the screen is slidable along the guide rail. The rotating device includes an articulated shaft connected to the base; and at any position on the guide rail, the screen is rotatable about the articulated shaft. When the screen is closed onto the base, the display surface of the screen faces outwards, thus the user can use the laptop in a tablet computer mode.Type: GrantFiled: December 19, 2014Date of Patent: October 4, 2016Assignees: Beijing Lenovo Software Ltd., Lenovo (Beijing) Co., Ltd.Inventors: Chunsun Zhang, Zhigang Na, Huajun Dong, Dehong Meng
-
Publication number: 20160274597Abstract: A rotating shaft device, an electronic device and a control method thereof are provided according to the present application. The rotating shaft device includes a driving component and a rotating component. The driving component is configured to receive a control signal, and adjust a torsion force of the rotating component based on the control signal. In the case that the rotating shaft device is applied on the electronic device, various control signals may be provided to control the driving component to adjust a torsion force of the rotating component by the controller, such that the torsion force of the electronic device in a folding or unfolding process is smaller than the torsion force of the electronic device in a state being maintained, which solves the issue of poor user experience resulted from being difficult to fold or unfold and inconvenient to operate.Type: ApplicationFiled: June 30, 2015Publication date: September 22, 2016Applicant: LENOVO (BEIJING) CO., LTD.Inventors: Zhigang NA, Huajun DONG, Maojiang SHEN
-
Publication number: 20160107349Abstract: The embodiment of the present disclosure provides a composite sheet, an electronic apparatus and a method for producing a component from the composite sheet, the composite sheet comprises a first sheet layer, a second sheet layer and a solid layer, wherein, the first sheet layer comprises at least one layer of first reinforced material; the second sheet layer comprises at least one layer of second reinforced material; the solid layer is located between the first sheet and the second sheet layer, wherein the solid layer is capable of being protruded from an interlayer space between the first sheet and the second sheet layer. Because the solid layer may be thermoplastic resin material which has a light weight, the entire weight of the composite sheet may be reduced.Type: ApplicationFiled: March 17, 2015Publication date: April 21, 2016Inventors: Chunsun Zhang, Zhigang Na
-
Publication number: 20160053771Abstract: Embodiments of the application disclose a fan and a mould for making a fan blade structure for the fan. An embodiment of the fan comprises a fan blade structure and the fan blade structure comprises a mounting ring and a plurality of fan blades provided on the mounting ring, wherein mounting ring and the fan blades are integrally formed. The mould comprises a mounting ring and a plurality of fan blades provided on the mounting ring, the mould comprising a cavity having a ring-shaped channel configured for forming the mounting ring and a plurality of fan blade channels configured for forming the plurality of fan blades, in order to integrally form the fan blade structure.Type: ApplicationFiled: March 13, 2015Publication date: February 25, 2016Inventors: ZIZHOU JIA, ZHIGANG NA, YING SUN
-
Publication number: 20150370286Abstract: A laptop includes a screen and a base having a keyboard. An end of the screen is articulated to an end of the base via a rotating device; and a first distance between a bottom edge of the screen and a bottom edge of the keyboard is smaller than a second distance between a top end of the screen and the bottom edge of the keyboard when the screen is closed onto the base. A guide rail is provided at two sides of the base, and the screen is slidable along the guide rail. The rotating device includes an articulated shaft connected to the base; and at any position on the guide rail, the screen is rotatable about the articulated shaft. When the screen is closed onto the base, the display surface of the screen faces outwards, thus the user can use the laptop in a tablet computer mode.Type: ApplicationFiled: December 19, 2014Publication date: December 24, 2015Applicants: Lenovo (Beijing) Co., Ltd., Beijing Lenovo Software Ltd.Inventors: Chunsun ZHANG, Zhigang NA, Huajun DONG, Dehong MENG
-
Patent number: 9093798Abstract: An aspect provides a combination power and data connector, including: a dedicated power connector element; and a combination data connector element separate from the dedicated power connector element, the combination data connector element providing a combination of pins for two data transmission protocols. Other aspects are described and claimed.Type: GrantFiled: January 4, 2013Date of Patent: July 28, 2015Assignee: Lenovo (Singapore) Pte. Ltd.Inventors: Howard Locker, Daryl Cromer, Joseph Michael Pennisi, Richard Wayne Cheston, David William Higgins, Thomas Kenneth Tobul, Jr., Jon Wayne Heim, Qihua Xiao, DeHong Meng, Zhigang Na, Zhang Jianhui
-
Publication number: 20140351612Abstract: The present invention discloses an information processing method and an electronic device.Type: ApplicationFiled: March 28, 2014Publication date: November 27, 2014Applicant: LENOVO (BEIJING) LIMITEDInventors: Ying Sun, Dongzhe Liu, Zhigang Na
-
Publication number: 20140293539Abstract: A fan and an electronic apparatus are disclosed. The fan comprises a housing and a blade wheel. The housing is shaped as a hollow column, a thickness of the housing is less than a preset thickness, a radial air inlet and an air outlet are disposed in a side of the housing, and the blade wheel is mounted in the housing and shaped as a cylinder. The housing is also provided with an axial air inlet disposed in at least one bottom surface of the housing so that air can enter the housing from the bottom surface by rotating the blade wheel. The heat dissipation performance of the fan is improved, the present invention solves the technical problem in the prior art that thinning of the fan in the super-thin electronic apparatus will lead to reduction in heat dissipation performance, and achieving technical effects that the electronic apparatus has high heat dissipation performance while super thinning the electronic apparatus.Type: ApplicationFiled: March 6, 2014Publication date: October 2, 2014Applicants: Lenovo (Beijing) Limited, Beijing Lenovo Software Ltd.Inventors: Zizhou Jia, Ying Sun, Zhigang Na