Patents by Inventor Liang Gu

Liang Gu 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: 20210318720
    Abstract: The present disclosure relates to an electronic device including a rotation shaft, a first body and a second body which are foldable or unfoldable in relation to each other around the rotation shaft. The first body has a first end surface facing away from the rotation shaft and a second end surface connected between the first end surface and the rotation shaft. A first metal member is provided on the first body, includes a first and second parts connected in such a manner that the first metal member has a bent form, and constitutes a radiator of a first antenna set. The first part is arranged on the first end surface. The second part is arranged on the second end surface. A second metal member is provided on the second body, is grounded via a first switch component configured to adjust an electrical length of the second metal member.
    Type: Application
    Filed: June 23, 2021
    Publication date: October 14, 2021
    Inventors: Shijie Lin, Liang Gu
  • Publication number: 20210126349
    Abstract: An antenna assembly and an electronic device are provided. The antenna assembly includes a metal main body, a first metal connecting part, a second metal connecting part, and eight radiating elements disposed on the metal main body. The metal main body includes a first end, a second end opposite to the first end, a third end, and a fourth end opposite to the third end. The first metal connecting part and the second metal connecting part are respectively connected to the third end and the fourth end. The antenna assembly is configured to be operated as an 8×8 5G MIMO antenna system.
    Type: Application
    Filed: January 8, 2021
    Publication date: April 29, 2021
    Inventors: Lin ZHOU, Liang GU
  • Publication number: 20210113041
    Abstract: A telescopic tube device includes a first tube assembly, a second tube assembly slidably connected relative to the first tube assembly, and an operating unit disposed at a sleeved position between the first tube assembly and the second tube assembly. The operating unit includes an operating member, a first locking member, a second locking member, and a limiting member. When in a locked state, the limiting member is at an initial position, and the first locking member and the second locking member remain engaged; when in at least one released state, the limiting member is offset from the initial position, and the first locking member and the second locking member are disengaged. At least one elastic member provides the limiting member with a pulling force so that the limiting member has a tendency to remain at the initial position. A related vacuum cleaner is disclosed.
    Type: Application
    Filed: August 9, 2018
    Publication date: April 22, 2021
    Inventors: Juan Wei, Liang Gu
  • Patent number: 10854955
    Abstract: The present disclosure provides an electronic device, a mobile terminal and an antenna assembly. The electronic device includes: a case defining an accommodating groove; a movable support slidably connected to the case, and capable of moving out of or retracting into the accommodating groove; and a first antenna installed on the movable support. Since the first antenna may be ejected out of the accommodating groove along with the movable support, influence of other components disposed inside the electronic device on the first antenna may be reduced. Thus, the implementation of the present disclosure may improve antenna performance of the electronic device.
    Type: Grant
    Filed: February 1, 2019
    Date of Patent: December 1, 2020
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Xinbao Wang, Ning Zhao, Liang Gu, Tianping Liang, Yantao Li
  • Patent number: 10701195
    Abstract: A metal rear cover for the terminal (100) and a terminal are provided. The metal rear cover for the terminal (100) includes a base plate (10) provided with at least one micro-seam band (20), the micro-seam band (20) is provided with a plurality of micro-seams (21), and the at least one micro-seam band (20) divides the base plate (10) into at least two radiation parts (30). At least one of the at least two radiation parts (30) is configured to be coupled to a matching circuit (1) and to receive a feeding signal via the matching circuit (1).
    Type: Grant
    Filed: March 18, 2017
    Date of Patent: June 30, 2020
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Xinbao Wang, Shengzhao Xiang, Ning Zhao, Liang Gu
  • Patent number: 10461757
    Abstract: An apparatus, comprising a first sampling circuit configured to sample a clock signal according to a data signal to produce a first sampled signal, a second sampling circuit configured to sample the clock signal according to a delay signal to produce a second sampled signal, and a control circuit coupled to the first sampling circuit and the second sampling circuit, wherein the control circuit is configured to perform a not-and (NAND) operation according to the first sampled signal and the second sampled signal to produce an activation signal for activating a frequency adjustment for the clock signal.
    Type: Grant
    Filed: December 29, 2016
    Date of Patent: October 29, 2019
    Assignee: Futurewei Technologies, Inc.
    Inventors: Liang Gu, Yuming Cao, Gong Lei, Yen Dang, Yifan Gu, Hungyi Lee, Mamatha Deshpande, Shou-Po Shih, Yan Duan
  • Patent number: 10454580
    Abstract: An optical data circuit includes threshold adjustment circuits to perform threshold adjustment compensation of asymmetrical optical noise. The optical data circuit includes an optical-to-electrical conversion circuit configured to produce first and second differential electrical data signals, at respective first and second electrical nodes, in response to an optical data signal. First and second digital-to-analog converter (DAC) circuits are each respectively coupled to the first and second electrical nodes and configured to respectively generate first and second adjustment signals. The first and second DAC circuits are configured to adjust the first and second differential electrical data signals such that a zero-crossing point of positive data is pulled up in response to the first adjustment signal and a zero-crossing point of negative data is pulled down in response to the second adjustment signal.
    Type: Grant
    Filed: October 8, 2018
    Date of Patent: October 22, 2019
    Assignee: Futurewei Technologies, Inc.
    Inventors: Liang Gu, Hung-Yi Lee, Yuming Cao, Miao Liu
  • Publication number: 20190305403
    Abstract: The present disclosure provides an electronic device, a mobile terminal and an antenna assembly. The electronic device includes: a case defining an accommodating groove; a movable support slidably connected to the case, and capable of moving out of or retracting into the accommodating groove; and a first antenna installed on the movable support. Since the first antenna may be ejected out of the accommodating groove along with the movable support, influence of other components disposed inside the electronic device on the first antenna may be reduced. Thus, the implementation of the present disclosure may improve antenna performance of the electronic device.
    Type: Application
    Filed: February 1, 2019
    Publication date: October 3, 2019
    Applicant: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Xinbao WANG, Ning Zhao, Liang Gu, Tianping Liang, Yantao Li
  • Patent number: 10418688
    Abstract: A terminal includes: a metal housing; a frame surrounds the metal housing; and a metal antenna radiator arranged between the metal housing and the frame, surrounding the metal housing, and having a first end coupled with a feed source through a matching circuit and a second end grounded.
    Type: Grant
    Filed: September 25, 2017
    Date of Patent: September 17, 2019
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Qing Wu, Yizhou Luo, Liang Gu
  • Patent number: 10396805
    Abstract: A reference-less frequency detector circuit includes a sampling circuit that is configured to generate a frequency control voltage and a switch circuit control signal based on a frequency difference between a clock signal frequency and an input data rate. The frequency control voltage has a frequency down indication and a frequency up indication. A voltage-to-current converter circuit is coupled to the sampling circuit and is configured to convert the frequency control voltage to a frequency control current based on the switch circuit control signal. The voltage-to-current converter circuit includes an output switch circuit controlled by the switch control signal and is configured to have substantially equal respective latencies for the frequency down indication and the frequency up indication.
    Type: Grant
    Filed: August 31, 2018
    Date of Patent: August 27, 2019
    Assignee: Futurewei Technologies, Inc.
    Inventors: Liang Gu, Yuming Cao, Yen Dang, Gong Lei, Yifan Gu, Hung-Yi Lee, Mamatha Deshpande, Shou-Po Shih, Miao Liu
  • Patent number: 10367926
    Abstract: A housing assembly for a terminal and a terminal are provided. The housing assembly includes a housing, an antenna radiator and a ferrite. The antenna radiator is positioned at an outer face of the housing, and has a first orthographic projection region on the outer face. The ferrite is arranged on an inner face of the housing, and has a second orthographic projection region on the outer face. The first orthographic projection region is located in the second orthographic projection region.
    Type: Grant
    Filed: September 7, 2017
    Date of Patent: July 30, 2019
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Qing Wu, Yizhou Luo, Liang Gu
  • Patent number: 10314186
    Abstract: The present disclosure provides a conductive cover, a housing assembly and a terminal. The conductive cover includes a first portion, a second portion, a conductive suspended strip and a conductive connecting member. A slot is defined between the second portion and the first portion. The conductive suspended strip is located in the slot and has a length equal to a length of the slot. An insulating layer is provided between the conductive suspended strip and the first portion, and another insulating layer is provided between the conductive suspended strip and the second portion. The conductive connecting member bridges over the slot, is electrically connected with the first portion and the second portion, and is insulated from the conductive suspended strip.
    Type: Grant
    Filed: August 28, 2017
    Date of Patent: June 4, 2019
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Xinbao Wang, Ning Zhao, Liang Gu
  • Patent number: 10263333
    Abstract: The present disclosure provides a metal housing; the metal housing includes a first edge and a second edge arranged opposite to each other, and a third edge and a fourth edge arranged opposite to each other. The third edge and the fourth edge are connected between the first edge and the second edge. A partitioning seam is provided in the metal housing so that at least one radiating part is formed in the metal housing. In the antenna device provided by embodiments of the present disclosure, the metal housing is enabled to be a radiator through a combination of the partitioning seam and a radiating circuit. The present disclosure further provides an antenna device and a mobile terminal.
    Type: Grant
    Filed: June 13, 2016
    Date of Patent: April 16, 2019
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Shasha Hu, Tianping Liang, Liang Gu
  • Patent number: 10263334
    Abstract: The present disclosure provides an antenna device including: a peripheral frame made of a signal shielding material and provided with at least two micro seam bands which partition the peripheral frame into at least two frame bodies, the frame bodies including a first antenna, the micro seam band having at least one micro seam; a first matching circuit electrically coupled to the first antenna; and a first radio-frequency receiving and emitting circuit electrically coupled to the first matching circuit. The frame bodies further includes a second antenna including a second matching circuit and a second radio-frequency receiving and emitting circuit, the second matching circuit is electrically coupled between the second antenna and the second radio-frequency receiving and emitting circuit, and the two radio-frequency receiving and emitting circuits deal with different radio-frequency signals. The micro seam band further includes a frame strip. The present disclosure further provides a mobile terminal.
    Type: Grant
    Filed: May 7, 2018
    Date of Patent: April 16, 2019
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Shasha Hu, Tianping Liang, Liang Gu
  • Publication number: 20190052363
    Abstract: An optical data circuit includes threshold adjustment circuits to perform threshold adjustment compensation of asymmetrical optical noise. The optical data circuit includes an optical-to-electrical conversion circuit configured to produce first and second differential electrical data signals, at respective first and second electrical nodes, in response to an optical data signal. First and second digital-to-analog converter (DAC) circuits are each respectively coupled to the first and second electrical nodes and configured to respectively generate first and second adjustment signals. The first and second DAC circuits are configured to adjust the first and second differential electrical data signals such that a zero-crossing point of positive data is pulled up in response to the first adjustment signal and a zero-crossing point of negative data is pulled down in response to the second adjustment signal.
    Type: Application
    Filed: October 8, 2018
    Publication date: February 14, 2019
    Inventors: Liang Gu, Hung-Yi Lee, Yuming Cao, Miao Liu
  • Patent number: 10205808
    Abstract: A metal rear cover for a terminal and a terminal are provided. The metal rear cover includes a base plate provided with at least one micro-seam band, and the micro-seam band includes a plurality of micro-seams. The plurality of micro-seams are arranged equidistantly, a distance between two adjacent micro-seams is larger than a width of the micro-seam, the at least one micro-seam band divides the base plate into at least two radiation parts including a first radiation part and a second radiation part. A conducting switch is coupled between the first radiation part and the second radiation part, and configured to disconnect or connect the first radiation part with the second radiation part, so that transceiving of different preset frequency ranges can be achieved by the metal rear cover, when the conducting switch disconnects or connects the first radiation part with the second radiation part.
    Type: Grant
    Filed: May 8, 2018
    Date of Patent: February 12, 2019
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Xinbao Wang, Shengzhao Xiang, Ning Zhao, Liang Gu
  • Publication number: 20180375522
    Abstract: A reference-less frequency detector circuit includes a sampling circuit that is configured to generate a frequency control voltage and a switch circuit control signal based on a frequency difference between a clock signal frequency and an input data rate. The frequency control voltage has a frequency down indication and a frequency up indication. A voltage-to-current converter circuit is coupled to the sampling circuit and is configured to convert the frequency control voltage to a frequency control current based on the switch circuit control signal. The voltage-to-current converter circuit includes an output switch circuit controlled by the switch control signal and is configured to have substantially equal respective latencies for the frequency down indication and the frequency up indication.
    Type: Application
    Filed: August 31, 2018
    Publication date: December 27, 2018
    Inventors: Liang Gu, Yuming Cao, Yen Dang, Gong Lei, Yifan Gu, Hung-Yi Lee, Mamatha Deshpande, Shou-Po Shih, Miao Liu
  • Patent number: 10122348
    Abstract: A multiplexer comprises: an output circuit comprising a multiplexer output; and a first buffer coupled to the output circuit and comprising: a first selection input configured to receive a first selection signal; a first logical input configured to receive a first logical input signal; and a first ground; wherein the multiplexer is configured to: couple the first logical input to the multiplexer output when the first selection signal is a first value; and couple the first logical input to the first ground when the first selection signal is a second value. A method comprises: receiving a selection signal and a first logical input signal; coupling a first logical input to a multiplexer output when the selection signal is a first value; and coupling the first logical input to a ground when the selection signal is a second value.
    Type: Grant
    Filed: March 30, 2016
    Date of Patent: November 6, 2018
    Assignee: Futurewei Technologies, Inc.
    Inventors: Liang Gu, Yuming Cao, Gong Lei, Yen Dang, Yifan Gu, Hungyi Lee, Mamatha Deshpande, Shou-Po Shih, Yan Duan
  • Patent number: 10116470
    Abstract: An apparatus comprising an input port configured to receive an input signal propagated through a transmission link, wherein the transmission link comprises a low-frequency channel loss and a high-frequency channel loss, a continuous-time linear equalization (CTLE) circuit coupled to the input port and configured to produce an output signal according to the input signal by applying a first gain to the input signal at a first frequency to compensate the low-frequency loss, and applying a second gain to the input signal at a second frequency to compensate the high-frequency channel loss, and an output port coupled to the CTLE circuit and configured to output the output signal.
    Type: Grant
    Filed: October 28, 2015
    Date of Patent: October 30, 2018
    Assignee: Futurewei Technologies, Inc.
    Inventors: Liang Gu, Yuming Cao, Yen Dang, Gong Lei, Hungyi Lee, Yifan Gu, Mamatha Deshpande, Shou-Po Shih, Yan Duan
  • Patent number: D861264
    Type: Grant
    Filed: January 3, 2018
    Date of Patent: September 24, 2019
    Inventor: Liang Gu