Patents by Inventor Qing Gu

Qing 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).

  • Patent number: 12285450
    Abstract: A Lactiplantibacillus plantarum strain ZFM518 deposited under CCTCC NO: M 2022442 is provided. Also provided is a composition including the strain ZFM518. Further provided is a method of treating a subject infected by Klebsiella pneumoniae ZFM4 deposited under CCTCC NO: M 20221900, including administrating to the subject a composition comprising a therapeutically effective amount of a fermentation supernatant of the Lactiplantibacillus plantarum strain ZFM518.
    Type: Grant
    Filed: September 25, 2024
    Date of Patent: April 29, 2025
    Assignee: Zhejiang Gongshang University
    Inventors: Qing Gu, Yingjuan Zhang, Qingqing Zhou, Zhongdu Ye, Ping Li
  • Patent number: 12273840
    Abstract: A Bluetooth voice communication system includes: a Bluetooth host device arranged to operably conduct voice communication with a remote device; a first Bluetooth member device arranged to operably generate a left-channel voice data according to sounds captured by a first sound receiving circuit, and arranged to operably utilize a first Bluetooth communication circuit to transmit the left-channel voice data to the Bluetooth host device; and a second Bluetooth member device arranged to operably generate a right-channel voice data according to sounds captured by a second sound receiving circuit, and arranged to operably utilize a second Bluetooth communication circuit to transmit the right-channel voice data to the Bluetooth host device. The Bluetooth host device generates a stereo voice data based on the left-channel voice data and the right-channel voice data, and utilizes a signal transceiver circuit to transmit the stereo voice data to the remote device.
    Type: Grant
    Filed: September 7, 2022
    Date of Patent: April 8, 2025
    Assignee: REALTEK SEMICONDUCTOR CORP.
    Inventors: Yu Hsuan Liu, Qing Gu, Bi Wei, Hung Chuan Chang, Yi-Cheng Chen
  • Publication number: 20250099519
    Abstract: A Lactiplantibacillus plantarum strain ZFM518 deposited under CCTCC NO: M 2022442 is provided. Also provided is a composition including the strain ZFM518. Further provided is a method of treating a subject infected by Klebsiella pneumoniae ZFM4 deposited under CCTCC NO: M 20221900, including administrating to the subject a composition comprising a therapeutically effective amount of a fermentation supernatant of the Lactiplantibacillus plantarum strain ZFM518.
    Type: Application
    Filed: September 25, 2024
    Publication date: March 27, 2025
    Inventors: Qing Gu, Yingjuan Zhang, Qingqing Zhou, Zhongdu Ye, Ping Li
  • Patent number: 12213196
    Abstract: A Bluetooth communication system includes: a Bluetooth host device; and a Bluetooth device set which including a first member device and a second member device. The first member device is arranged to operably transmit a first device information corresponding to the first member device and a second device information corresponding to the second member device to the Bluetooth host device. The Bluetooth host device is arranged to operably receive the first device information and the second device information transmitted from the first member device. The Bluetooth host device is further arranged to operably establish a Bluetooth connection with the first member device and conduct pairing procedure with the first member device after receiving a selection command.
    Type: Grant
    Filed: February 9, 2022
    Date of Patent: January 28, 2025
    Assignee: REALTEK SEMICONDUCTOR CORP.
    Inventors: Qing Gu, Bi Wei, Yu Hsuan Liu, Yung Chieh Lin, Cheng Cai, Sixian Wang
  • Patent number: 12213195
    Abstract: A Bluetooth communication system includes: a Bluetooth host device; and a Bluetooth device set which including a first member device and a second member device. The first member device is arranged to operably transmit an auto-pair request, a first device information corresponding to the first member device, and a second device information corresponding to the second member device to the Bluetooth host device. The Bluetooth host device is arranged to operably receive the auto-pair request, the first device information, and the second device information transmitted from the first member device. The Bluetooth host device is further arranged to operably establish a Bluetooth connection with the first member device and conduct pairing procedure with the first member device according to the auto-pair request.
    Type: Grant
    Filed: February 9, 2022
    Date of Patent: January 28, 2025
    Assignee: REALTEK SEMICONDUCTOR CORP.
    Inventors: Qing Gu, Bi Wei, Yu Hsuan Liu, Yung Chieh Lin, Cheng Cai, Sixian Wang
  • Patent number: 12177638
    Abstract: A Bluetooth communication system is provided, which comprises a Bluetooth host device and a Bluetooth device set. The connections between the Bluetooth host device and the Bluetooth device set complies with the specification of Bluetooth Low Energy Audio technology. The Bluetooth device set comprises at least a first member device and a second member device. The first member device and the second member device may be configured in a first mode wherein uplink audio signal transmission is allowed, and the connections are carried out by isochronous streaming channels respectively. The first member device transmits captured voice data to the Bluetooth host device, while the second member device does not. When an event is triggered, the first member device can notify the second member device through the Bluetooth host device, so that the first member device and the second member device can carry out subsequent voice input handover procedures.
    Type: Grant
    Filed: February 9, 2022
    Date of Patent: December 24, 2024
    Assignee: REALTEK SEMICONDUCTOR CORP.
    Inventors: Qing Gu, Bi Wei, Yu Hsuan Liu, Yi-Cheng Chen, Cheng Cai, Hung Chuan Chang
  • Patent number: 12101608
    Abstract: A Bluetooth audio broadcasting system includes: an audio broadcasting device, a first Bluetooth member device, and a second Bluetooth member device. The audio broadcasting device broadcasts BLE audio packets and transmits a predetermined volume instruction to the first Bluetooth member device and the second Bluetooth member device before broadcasting the BLE audio packets. The first Bluetooth member device parses the BLE audio packets to acquire a predetermined audio data, controls a first audio playback circuit to playback the predetermined audio data, and configures an audio volume of the first audio playback circuit in advance according to the predetermined volume instruction. The second Bluetooth member device parses the BLE audio packets to acquire the predetermined audio data, controls a second audio playback circuit to playback the predetermined audio data, and configures an audio volume of the second audio playback circuit in advance according to the predetermined volume instruction.
    Type: Grant
    Filed: July 26, 2023
    Date of Patent: September 24, 2024
    Assignee: REALTEK SEMICONDUCTOR CORP.
    Inventors: Yu Hsuan Liu, Yung Chieh Lin, Qing Gu, Bi Wei, Yi-Cheng Chen
  • Patent number: 12101614
    Abstract: A Bluetooth communication system is provided, which comprises a Bluetooth host device and a Bluetooth device set. The connections between the Bluetooth host device and the Bluetooth device set complies with the specification of Bluetooth Low Energy Audio technology. The Bluetooth device set comprises at least a first member device and a second member device. The first member device and the second member device may be configured in a first mode wherein uplink audio signal transmission is allowed, and the connections are carried out by isochronous streaming channels respectively. The first member device transmits captured voice data to the Bluetooth host device, while the second member device does not. When an event is triggered, the first member device can notify the second member device through direct wireless connection, so that the first member device and the second member device can carry out subsequent voice input handover procedures.
    Type: Grant
    Filed: February 9, 2022
    Date of Patent: September 24, 2024
    Assignee: REALTEK SEMICONDUCTOR CORP.
    Inventors: Qing Gu, Bi Wei, Yu Hsuan Liu, Yi-Cheng Chen, Cheng Cai, Hung Chuan Chang
  • Patent number: 12096192
    Abstract: A Bluetooth communication system is provided, which comprises a Bluetooth host device and a Bluetooth device set. The connections between the Bluetooth host device and the Bluetooth device set complies with the specification of Bluetooth Low Energy Audio technology. The Bluetooth device set comprises at least a first member device and a second member device. The first member device and the second member device may be configured in a first mode and a second mode respectively, and the connections are carried out by isochronous streaming channels. The first member device transmits captured voice data to the Bluetooth main control device, while the second member device does not. When an event is triggered, the first member device can notify the second member device through the Bluetooth host device, so that the first member device and the second member device can carry out subsequent voice input handover procedures.
    Type: Grant
    Filed: February 9, 2022
    Date of Patent: September 17, 2024
    Assignee: Realtek Semiconductor Corp.
    Inventors: Qing Gu, Bi Wei, Yu Hsuan Liu, Yi-Cheng Chen, Cheng Cai, Hung Chuan Chang
  • Patent number: 11999769
    Abstract: The present disclosure discloses a method for isolating and purifying Lactobacillus rhamnosus ZFM216 bacteriocin, the method including the following steps: preparing L. rhamnosus ZFM216 fermentation supernatant; treating the fermentation supernatant with macroporous adsorption resin method to obtain a crude protein extract; isolating the crude protein extract by gel chromatography to obtain a preliminary purified protein solution; and then performing purification by reversed-phase high performance liquid chromatography (HPLC) to obtain an L. rhamnosus ZFM216 bacteriocin solution. The present disclosure further provides use of the L. rhamnosus bacteriocin in anti-Staphylococcus aureus.
    Type: Grant
    Filed: November 11, 2022
    Date of Patent: June 4, 2024
    Assignee: Zhejiang Gongshang University
    Inventors: Qing Gu, Mengdi Dai, Qingqing Zhou, Ping Li, Danli Wu
  • Patent number: 11991767
    Abstract: A Bluetooth communication system includes: a Bluetooth host device; and a Bluetooth device set which including a first member device and a second member device. The first member device is arranged to operably transmit a corresponding first device information to the Bluetooth host device. The second member device is arranged to operably transmit a corresponding second device information to the Bluetooth host device. The Bluetooth host device is arranged to operably control a display device to simultaneously display a first device item for representing the first member device and a second device item for representing the second member device in a graphical user interface. The Bluetooth host device is further arranged to operably establish a Bluetooth connection with the first member device and conduct pairing procedure with the first member device after receiving a selection command corresponding to the first member device.
    Type: Grant
    Filed: February 9, 2022
    Date of Patent: May 21, 2024
    Assignee: REALTEK SEMICONDUCTOR CORP.
    Inventors: Qing Gu, Bi Wei, Yu Hsuan Liu, Yung Chieh Lin, Cheng Cai, Sixian Wang
  • Patent number: 11984689
    Abstract: The disclosure relates to a conductive housing for the connector and a connector comprising the conductive housing. The conductive housing comprises a plurality of side surfaces, at least one of which comprising a plurality of terminal connection portions spaced apart from one another at an edge portion of the side surface, and a gap being formed between two adjacent terminal connection portions; and a plurality of terminal pins, each of which being connected to the respective terminal connection portion. The conductive housing further comprises at least one conductive elastic piece, one of which being connected between the two adjacent terminal connection portions to at least partially cover the gap between the two adjacent terminal connection portions. By means of such arrangement, the conductive elastic piece covers most areas between the terminal pins so as to enhance electromagnetic compatibility.
    Type: Grant
    Filed: February 23, 2022
    Date of Patent: May 14, 2024
    Assignee: STARCONN ELECTRONIC (Su Zhou) Co., LTD.
    Inventors: Chung Nan Pao, Fu Su, Hong Yang Ping, Qing Gu, Dong Qi Kuang
  • Publication number: 20230370772
    Abstract: A Bluetooth audio broadcasting system includes: an audio broadcasting device, a first Bluetooth member device, and a second Bluetooth member device. The audio broadcasting device broadcasts BLE audio packets and transmits a predetermined volume instruction to the first Bluetooth member device and the second Bluetooth member device before broadcasting the BLE audio packets. The first Bluetooth member device parses the BLE audio packets to acquire a predetermined audio data, controls a first audio playback circuit to playback the predetermined audio data, and configures an audio volume of the first audio playback circuit in advance according to the predetermined volume instruction. The second Bluetooth member device parses the BLE audio packets to acquire the predetermined audio data, controls a second audio playback circuit to playback the predetermined audio data, and configures an audio volume of the second audio playback circuit in advance according to the predetermined volume instruction.
    Type: Application
    Filed: July 26, 2023
    Publication date: November 16, 2023
    Applicant: Realtek Semiconductor Corp.
    Inventors: Yu Hsuan LIU, Yung Chieh LIN, Qing GU, Bi WEI, Yi-Cheng CHEN
  • Patent number: 11818555
    Abstract: A Bluetooth audio broadcasting system includes: an audio broadcasting device, a first Bluetooth member device, and a second Bluetooth member device. The audio broadcasting device broadcasts BLE audio packets and transmits a volume adjusting instruction to the first Bluetooth member device and the second Bluetooth member device after they receive the BLE audio packets. The first Bluetooth member device parses the BLE audio packets to acquire a predetermined audio data, controls a first audio playback circuit to playback the predetermined audio data, and adjusts an audio volume of the first audio playback circuit according to the volume adjusting instruction. The second Bluetooth member device parses the BLE audio packets to acquire the predetermined audio data, controls a second audio playback circuit to playback the predetermined audio data, and adjusts an audio volume of the second audio playback circuit according to the volume adjusting instruction.
    Type: Grant
    Filed: December 16, 2021
    Date of Patent: November 14, 2023
    Assignee: REALTEK SEMICONDUCTOR CORP.
    Inventors: Yu Hsuan Liu, Yung Chieh Lin, Qing Gu, Bi Wei, Yi-Cheng Chen
  • Publication number: 20230348544
    Abstract: The present disclosure discloses a method for isolating and purifying Lactobacillus rhamnosus ZFM216 bacteriocin, the method including the following steps: preparing L. rhamnosus ZFM216 fermentation supernatant; treating the fermentation supernatant with macroporous adsorption resin method to obtain a crude protein extract; isolating the crude protein extract by gel chromatography to obtain a preliminary purified protein solution; and then performing purification by reversed-phase high performance liquid chromatography (HPLC) to obtain an L. rhamnosus ZFM216 bacteriocin solution. The present disclosure further provides use of the L. rhamnosus bacteriocin in anti-Staphylococcus aureus.
    Type: Application
    Filed: November 11, 2022
    Publication date: November 2, 2023
    Inventors: Qing Gu, Mengdi Dai, Qingqing Zhou, Ping Li, Danli Wu
  • Publication number: 20230348531
    Abstract: The present disclosure discloses Lactobacillus sakei ZFM225, with a preservation number of CCTCC NO:M 2016669. The present disclosure further discloses an isolation and purification method of an Lactobacillus sakei ZFM225 bacteriocin, including the steps of: precipitating fermentation supernatant of the Lactobacillus sakei ZFM225 by an ammonium sulfate precipitation method to obtain crude protein; desalting the crude protein to obtain crude protein extract; isolating the crude protein extract by cation exchange chromatography, performing elution with a gradient eluent containing 0.5 M to 1.0 M NaCl, and desalting the obtained eluate to obtain a preliminary protein purified solution; and then purifying the preliminary protein purified solution by reversed-phase high-performance liquid chromatography to obtain the Lactobacillus sakei ZFM225 bacteriocin. The Lactobacillus sakei ZFM225 bacteriocin has antibacterial activity on both gram-positive bacteria and gram-negative bacteria.
    Type: Application
    Filed: November 10, 2022
    Publication date: November 2, 2023
    Inventors: Qing Gu, Pengxin Ye, Ping Li, Qingqing Zhou, Huifei Shentu
  • Patent number: 11709651
    Abstract: A Bluetooth audio broadcasting system includes: an audio broadcasting device, a first Bluetooth member device, and a second Bluetooth member device. The audio broadcasting device broadcasts BLE audio packets. After the first Bluetooth member device issues a volume adjusting request, the audio broadcasting device transmits a volume adjusting instruction to the first Bluetooth member device and the second Bluetooth member device. The first Bluetooth member device acquires a predetermined audio data from the BLE audio packets, controls a first audio playback circuit to playback the predetermined audio data, and adjusts an audio volume of the first audio playback circuit according to the volume adjusting instruction. The second Bluetooth member device acquires the predetermined audio data from the BLE audio packets, controls a second audio playback circuit to playback the predetermined audio data, and adjusts an audio volume of the second audio playback circuit according to the volume adjusting instruction.
    Type: Grant
    Filed: December 16, 2021
    Date of Patent: July 25, 2023
    Assignee: Realtek Semiconductor Corp.
    Inventors: Yu Hsuan Liu, Yung Chieh Lin, Qing Gu, Bi Wei, Yi-Cheng Chen
  • Patent number: 11709650
    Abstract: A Bluetooth audio broadcasting system includes: an audio broadcasting device arranged to operably broadcast BLE audio packets; a first Bluetooth member device arranged to operably parse the BLE audio packets to acquire a predetermined audio data and to operably control a first audio playback circuit to playback the predetermined audio data; and a second Bluetooth member device arranged to operably parse the BLE audio packets to acquire the predetermined audio data and to operably control a second audio playback circuit to playback the predetermined audio data. After receiving the BLE audio packets from the audio broadcasting device, the first Bluetooth member further adjusts an audio volume of the first audio playback circuit according to a volume adjusting instruction transmitted from another device other than the audio broadcasting device, and the second Bluetooth member further adjusts an audio volume of the second audio playback circuit according to the volume adjusting instruction.
    Type: Grant
    Filed: December 16, 2021
    Date of Patent: July 25, 2023
    Assignee: REALTEK SEMICONDUCTOR CORP.
    Inventors: Yu Hsuan Liu, Yung Chieh Lin, Qing Gu, Bi Wei, Yi-Cheng Chen
  • Patent number: 11647332
    Abstract: A Bluetooth communication system is provided, which comprises a Bluetooth host device and a Bluetooth device set. The connections between the Bluetooth host device and the Bluetooth device set complies with the specification of Bluetooth Low Energy Audio technology. The Bluetooth device set comprises at least a first member device and a second member device. The first member device and the second member device may be configured in a first mode wherein uplink audio signal transmission is allowed, and the connections are carried out by isochronous streaming channels respectively. The first member device transmits captured voice data to the Bluetooth host device, while the second member device does not transmit. When an event is triggered, the first member device can notify the second member device through a third-part device, so that the first member device and the second member device can carry out subsequent voice input handover procedures.
    Type: Grant
    Filed: February 9, 2022
    Date of Patent: May 9, 2023
    Assignee: REALTEK SEMICONDUCTOR CORP.
    Inventors: Qing Gu, Bi Wei, Yu Hsuan Liu, Yi-Cheng Chen, Cheng Cai, Hung Chuan Chang
  • Publication number: 20230102871
    Abstract: A Bluetooth voice communication system includes: a Bluetooth host device arranged to operably conduct voice communication with a remote device; a first Bluetooth member device arranged to operably generate a left-channel voice data according to sounds captured by a first sound receiving circuit, and arranged to operably utilize a first Bluetooth communication circuit to transmit the left-channel voice data to the Bluetooth host device; and a second Bluetooth member device arranged to operably generate a right-channel voice data according to sounds captured by a second sound receiving circuit, and arranged to operably utilize a second Bluetooth communication circuit to transmit the right-channel voice data to the Bluetooth host device. The Bluetooth host device generates a stereo voice data based on the left-channel voice data and the right-channel voice data, and utilizes a signal transceiver circuit to transmit the stereo voice data to the remote device.
    Type: Application
    Filed: September 7, 2022
    Publication date: March 30, 2023
    Applicant: Realtek Semiconductor Corp.
    Inventors: Yu Hsuan LIU, Qing GU, Bi WEI, Hung Chuan CHANG, Yi-Cheng CHEN