Patents by Inventor Pei Liu

Pei 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).

  • Node scheduling method and system and device
    Patent number: 9936497
    Abstract: Embodiments of the present invention disclose a node scheduling method, where the method includes: configuring, for a node, a working period matched with a performance indicator of the node, where duration of the working period is an integer multiple of duration of a super frame, and the super frame is a super frame corresponding to a beacon frame in a network in which the node is located; and sending, to the node, an updated beacon frame that includes information about the working period, so that the node acquires the information about the working period from the updated beacon frame, receives a working beacon frame, establishes a super frame corresponding to the working beacon frame until the working period ends, and then repeats the receiving a working beacon frame and establishing a super frame corresponding to the working beacon frame until the updated beacon frame is received again.
    Type: Grant
    Filed: June 9, 2015
    Date of Patent: April 3, 2018
    Assignees: Huawei Technologies Co., Ltd., Beijing University of Posts and Telecommunications
    Inventors: Pei Liu, Weixia Zou, Yibo Wang
  • Component carrier
    Patent number: 9921615
    Abstract: A component carrier with a tray, a slide cage, a level, and a tilting mechanism. The tray has a bottom surface with a groove formed therein. The slide cage is actuatably coupled with the tray and has a receiving space and an undercarriage. The lever is pivotally coupled with the slide cage and has a lower portion for engaging the groove to transition the slide cage between a first position and a second position. The tilting mechanism is coupled with the tray and configured for biasing the slide cage to the second position. In the first position the undercarriage of the slide cage is positioned proximal to the bottom surface of the tray. In the second position a first end portion of the undercarriage of the slide cage is displaced away from the bottom surface and a second end portion is positioned proximal to the bottom surface of the tray.
    Type: Grant
    Filed: April 7, 2016
    Date of Patent: March 20, 2018
    Assignee: QUANTA COMPUTER INC.
    Inventors: Chao-Jung Chen, Yaw-Tzorng Tsorng, Kun-Pei Liu, Yi-Te Chang
  • Light guiding device and electronic device having light conducting channels with at least one barrier object therein
    Patent number: 9903754
    Abstract: A security device in an electronic device which protects against unauthorized disassembly includes light sources, a plurality of photosensitive elements, a detection unit, a storage unit, a processor, and light guiding devices. Light conducting channels are provided between the light sources and the induction elements. Barrier objects that block light are installed at certain first light guiding channels of the light guiding channels, and are removed from the first light conducting channels when the electronic device is disassembled, so that induction signals output by the photosensitive elements are changed from the model or original digitally-recorded signals.
    Type: Grant
    Filed: August 18, 2016
    Date of Patent: February 27, 2018
    Assignees: NANNING FUGUI PRECISION INDUSTRIAL CO., LTD., HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Xiao-Hu Tang, Pei Liu
  • Method and apparatus for selecting preferred parent node in wireless sensor network
    Patent number: 9876687
    Abstract: Embodiments of the disclosure provide a method and an apparatus for selecting a preferred parent node in a wireless sensor network, and the method includes: according to all received DIO messages, separately acquiring, by a first node, node identification information carried in each of the DIO messages and generates a parent node set; selecting, by the first node, a fixed node with a highest performance parameter level as a preferred parent node when it is determined that the parent node set includes at least two fixed nodes; and selecting, by the first node, a mobile node with a highest performance parameter level as the preferred parent node when it is determined that the parent node set does not include a fixed node, and includes at least two mobile nodes.
    Type: Grant
    Filed: February 26, 2016
    Date of Patent: January 23, 2018
    Assignee: Huawei Technologies Co., Ltd.
    Inventor: Pei Liu
  • Method for selecting controller in network and station device
    Patent number: 9872243
    Abstract: The present invention provides a method for selecting a network controller and a station device. Supported channel width sets of multiple station STA devices are acquired; a PCP factor of the each STA device is generated according to a supported channel width set and an acquired directional multi-gigabit DMG capability information element of the each STA device, where the PCP factor includes the supported channel width set; a STA device with a largest PCP factor is selected as a PCP. Using the method for selecting a PCP and the STA device provided in the present invention can improve reliability of a wireless local area network WLAN.
    Type: Grant
    Filed: September 14, 2015
    Date of Patent: January 16, 2018
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Dejian Li, Pei Liu
  • IMAGE SENSOR AND IMAGE CAPTURE DEVICE
    Publication number: 20180013948
    Abstract: A camera module includes a transparent plate, a top sensing layer, and a light-cutting layer. The transparent plate includes a bottom surface and a top surface opposite to the bottom surface. The top sensing layer is formed on the bottom surface. The light-cutting layer is formed on the top surface, and includes a blocking material and transparent apertures penetrating through the blocking material.
    Type: Application
    Filed: July 7, 2016
    Publication date: January 11, 2018
    Inventors: Chin-Fu CHEN, I-Pei LIU
  • Information processing method, terminal device and computer storage medium
    Publication number: 20180005618
    Abstract: A method for processing information, terminal device and a computer storage medium are disclosed. The method for processing information includes that: a first control instruction is acquired, and a first application is switched to a preset mode according to the first control instruction; a first triggering operation is acquired based on the preset mode, at least two pieces of multimedia data are selected based on the first triggering operation, and a first playing interface is generated; when a second control instruction is acquired, the at least two pieces of multimedia data in the first playing interface are sequentially played; in a process of playing first multimedia data in the at least two pieces of multimedia data, first audio data is acquired; and the first multimedia data and the first audio data are synthesized as second multimedia data.
    Type: Application
    Filed: August 29, 2017
    Publication date: January 4, 2018
    Inventor: Pei Liu
  • LIGHT GUIDING DEVICE AND ELECTRONIC DEVICE
    Publication number: 20170350751
    Abstract: A security device in an electronic device which protects against unauthorized disassembly includes light sources, a plurality of photosensitive elements, a detection unit, a storage unit, a processor, and light guiding devices. Light conducting channels are provided between the light sources and the induction elements. Barrier objects that block light are installed at certain first light guiding channels of the light guiding channels, and are removed from the first light conducting channels when the electronic device is disassembled, so that induction signals output by the photosensitive elements are changed from the model or original digitally-recorded signals.
    Type: Application
    Filed: August 18, 2016
    Publication date: December 7, 2017
    Inventors: XIAO-HU TANG, PEI LIU
  • Method, apparatus and system for sending physical layer signal
    Patent number: 9794099
    Abstract: Embodiments of the present invention disclose a sending apparatus and a receiving apparatus, and a method for sending a physical layer signal, includes: constructing a signal with a frame structure comprising multiple Ga128 sequences, a —Ga128 sequence, and a single-frequency sequence of M in length; wherein the Ga128 and —Ga128 sequences are Golay sequences of 128 in length, M is an integer multiple of 128, and the single-frequency sequence comprises M single-frequency symbols and is used to enable a receiving apparatus to estimate an Inphase and Quadrature (IQ) imbalance parameter; and sending the signal with the frame structure.
    Type: Grant
    Filed: September 6, 2016
    Date of Patent: October 17, 2017
    Assignees: Huawei Technologies Co., Ltd., Tsinghua University
    Inventors: Zhenyu Xiao, Changming Zhang, Pei Liu
  • COMPONENT CARRIER
    Publication number: 20170293325
    Abstract: A component carrier with a tray, a slide cage, a level, and a tilting mechanism. The tray has a bottom surface with a groove formed therein. The slide cage is actuatably coupled with the tray and has a receiving space and an undercarriage. The lever is pivotally coupled with the slide cage and has a lower portion for engaging the groove to transition the slide cage between a first position and a second position. The tilting mechanism is coupled with the tray and configured for biasing the slide cage to the second position. In the first position the undercarriage of the slide cage is positioned proximal to the bottom surface of the tray. In the second position a first end portion of the undercarriage of the slide cage is displaced away from the bottom surface and a second end portion is positioned proximal to the bottom surface of the tray.
    Type: Application
    Filed: April 7, 2016
    Publication date: October 12, 2017
    Inventors: Chao-Jung CHEN, Yaw-Tzorng TSORNG, Kun-Pei LIU, Yi-Te CHANG
  • TRIPEPTIDE COMPOUND, PREPARATION METHOD THEREFOR, AND APPLICATION THEREOF
    Publication number: 20170267718
    Abstract: Provided are a tripeptide compound, a preparation method therefor, and an application thereof. The structure of the related compound is represented by formula (I). The provided compound has angiotensin converting enzyme inhibiting bioactivity, and the compound and a pharmaceutical composition thereof play a role in preventing and treating hypertension and other cardiocerebral vascular system diseases.
    Type: Application
    Filed: November 27, 2015
    Publication date: September 21, 2017
    Inventors: Xiaohui ZHENG, Yajun BAI, Fanggang QIN, Pei LIU, Jiacheng FANG, Xirui HE, Xiaoxiao WANG
  • a-ASARY-LALDEHYDE ESTER, PREPARATION METHOD THEREFOR, AND APPLICATION THEREOF
    Publication number: 20170260122
    Abstract: The present invention relates to ?-asary-laldehyde ester, a preparation method therefor, and an application thereof. The chemical structure of the related ?-asary-laldehyde ester is represented by formula I. A related application is an application of the compound in preparation of drugs for calming, mind tranquillizing, senile dementia resisting, convulsion resisting, epilepsy resisting and depression resisting.
    Type: Application
    Filed: November 26, 2015
    Publication date: September 14, 2017
    Applicant: NORTHWEST UNIVERSITY
    Inventors: Xiaohui ZHENG, Fanggang QIN, Yajun BAI, Shixiang WANG, Yi ZHANG, Xirui HE, Pei LIU
  • Multi-Video Stream Transmission Method and Device
    Publication number: 20170264866
    Abstract: A multi-video stream transmission method and a device, where an access point sets an initial sending time and a sending period of an intra frame (I frame) of each station (STA) associated with the access point, and allocates an I frame service period and a predictive frame (P frame) service period to each STA according to the initial sending time and the sending period of the I frame of each STA, where each STA exclusively occupies a channel in the I frame service period and the P frame service period such that I frame sending time of STAs are staggered, network load balance is achieved, and it is ensured that a latency of each STA meets a quality of service (QoS) requirement.
    Type: Application
    Filed: May 26, 2017
    Publication date: September 14, 2017
    Inventors: Dejian Li, Pei Liu
  • Seed-specific expression vector and its construction methods and applications
    Patent number: 9745362
    Abstract: A seed-specific expression vector and its construction methods and applications are disclosed. A fusion protein expression cassette consisting of Arachis hypogaea oleosin gene-apolipopoprotein A-IMilano (A-IM) gene driven by Brassica napus oleosin gene promoter is inserted between the HindIII and SacI sites of a plant binary expression vector pBI121, obtaining the plant expression vector pBINOA of the invention. In addition, a method for producing apolipoprotein A-IMilano is provided, in which the expression vector is used to transform oil sunflower which is used as a plant bioreactor. The method can not only improve the yield of apolipoprotein A-IMilano, but also greatly reduce production costs, and is suitable for industrial production.
    Type: Grant
    Filed: December 9, 2010
    Date of Patent: August 29, 2017
    Inventors: Shengjun An, Xiqing Chai, Kunsheng Wang, Tiemei Shao, Zhan Jiao, Xin Wen, Xue Li, Pei Liu, Haigang Lu, Yunyu Chen, Liangyuan Hu, Haimin Xu, Chenggang Yu
  • Hard disk assembly
    Patent number: 9703332
    Abstract: A hard disk assembly includes a tray, a bracket, and a carrier. The tray includes plural protrusions. The bracket is disposed on the tray for fastening a hard disk device. The bracket includes a bracket body having plural slots thereon, and plural pins disposed on opposite sides of the bracket body. The slots are respectively engaged with the protrusions. The pins are disposed between the bracket and the tray. The carrier is pivotally connected to the tray. The carrier includes two ribs. Each rib has a curved surface for touching and pulling the pins. Therefore the bracket can be slidably moved on the tray along the slots.
    Type: Grant
    Filed: November 3, 2015
    Date of Patent: July 11, 2017
    Assignee: QUANTA COMPUTER INC.
    Inventors: Chao-Jung Chen, Yaw-Tzorng Tsorng, Kun-Pei Liu
  • Housing with disassembly indicator
    Patent number: 9666385
    Abstract: A housing containing its own record of any private and unwarranted disassembly includes a first shell, a second shell detachably connected with the second shell, a consumer disassembly indication structure. The consumer disassembly indication structure includes a circuit board, a plurality of switches, a computer chip, a plurality of conductive bodies, and a plurality of insulative bodies. The plurality of switches are fixed on the circuit board and each is electrically connected with the computer chip. The computer chip is configured to record electric connections between the conductive bodies and switches, the original electric connections being changed to other or no connections after any disassembly of the housing.
    Type: Grant
    Filed: January 30, 2015
    Date of Patent: May 30, 2017
    Assignees: AMBIT MICROSYSTEMS (SHANGHAI) LTD., HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: Pei Liu
  • Method, device, and system for processing data during idle listening
    Patent number: 9654870
    Abstract: The present invention provides a method, a device and a system for processing data during idle listening. The method includes: sampling, in an idle listening mode, a first analog signal by using an N-bit ADC, and sampling, in a transceiving mode, a second analog signal by using an M-bit ADC, where N and M are both integers, and N is less than M. Embodiments of the present invention can reduce power consumption of an ADC during idle listening.
    Type: Grant
    Filed: May 11, 2015
    Date of Patent: May 16, 2017
    Assignees: Huawei Technologies Co., Ltd., Tsinghua University
    Inventors: Bo Gao, Zhenyu Xiao, Pei Liu
  • Data transmission method and apparatus
    Patent number: 9641289
    Abstract: The disclosed is a data transmission method and apparatus configured to establish a frequency hopping-retransmission mechanism in a CFP of a superframe and switch a channel accordingly. The method provided by an embodiment includes: selecting two channels as a prescribed channel and a spare channel; dividing a CFP of a superframe into three SCFPs, where a second SCFP is used to re-transmit data that a node fails to transmit in a first SCFP, a third SCFP is used to re-transmit data that the node fails to transmit in the second SCFP, and a timeslot position of each node in the first SCFP is the same as in the second SCFP; broadcasting a beacon frame on the prescribed channel in a beacon period of the superframe, where the beacon frame includes channel selection information and timeslot division information; receiving data from the node; and transmitting an acknowledgement frame.
    Type: Grant
    Filed: October 15, 2014
    Date of Patent: May 2, 2017
    Assignee: Huawei Technologies Co., Ltd.
    Inventor: Pei Liu
  • Channel negotiation method, device, and system
    Patent number: 9622115
    Abstract: A channel negotiation method, device, and system are provided. The channel negotiation method includes obtaining channel occupancy information; sending, according to the channel occupancy information, a channel negotiation execution frame that includes a channel switching manner to a network device in at least one established network, so that the network device in the at least one established network switches a current operating channel according to the channel switching manner to generate an idle channel; and receiving a channel negotiation execution acknowledgement frame fed back by the network device in the at least one established network, and performing a networking operation on the idle channel. The channel negotiation method provided in the embodiments of the present invention can improve a bandwidth utilization ratio and a data transmission rate.
    Type: Grant
    Filed: March 20, 2015
    Date of Patent: April 11, 2017
    Assignee: Huawei Technologies Co., Ltd.
    Inventor: Pei Liu
  • COMPONENT TRAY HOLDER WITH SLIM SIDE RAILS
    Publication number: 20170090528
    Abstract: A retractable component tray holder includes: an outer tray having first and second outer tray sidewalls, and a bottom; an inner tray configured to retract into and extend from the outer tray, the inner tray having a first inner tray sidewall and a bottom; a fan chassis configured to receive at least one fan, the fan chassis being adjacent a rear of the inner tray; a bottom support assembly comprising a first bottom support slideably mounted on the bottom of the outer tray, a second bottom support slideably mounted on the first bottom support, and the inner tray being slideably mounted on the second bottom support; and a second side support assembly comprising a side support slideably mounted on the second sidewall, a bracket slideably mounted on the side support, and the fan chassis mounted on the bracket.
    Type: Application
    Filed: May 9, 2016
    Publication date: March 30, 2017
    Inventors: Chao-Jung CHEN, Yaw-Tzorng TSORNG, Kun-Pei LIU, Yi-Te CHANG