Patents by Inventor Xuefeng SHENG
Xuefeng SHENG 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).
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Patent number: 11973529Abstract: A signal transceiver apparatus includes: a first communication module and a second communication module; a first switch connected to a first terminal of the first communication module and a first terminal of the second communication module, respectively; a second switch connected to a first transmitting/receiving port and a first signal reception port of the first communication module, and a first antenna structure connected to the second switch; and a third switch connected to a second transmitting/receiving port and a second signal reception port of the second communication module, and a second antenna structure connected to the third switch. The first communication module corresponds to a first transmitting link and two receiving links, and the second communication module corresponds to a second transmitting link and two receiving links.Type: GrantFiled: July 21, 2021Date of Patent: April 30, 2024Assignee: Vivo Mobile Communication Co., Ltd.Inventors: Fangsheng Chen, Xuefeng Sheng
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Publication number: 20230344461Abstract: This application provides a radio frequency circuit and an electronic device. The radio frequency circuit includes: a first amplifier, a first switch, a first frequency band transceiver unit, a second frequency band transceiver unit, and an antenna, where the first switch includes a first movable end, a first non-movable end, and a second non-movable end, where an input end of the first amplifier is connected to a radio frequency transceiver, an output end of the first amplifier is connected to the first movable end, the first non-movable end is connected to one end of the first frequency band transceiver unit, the second non-movable end is connected to one end of the second frequency band transceiver unit, and the other end the first frequency band transceiver unit and the other end of the second frequency band transceiver unit are both connected to the antenna.Type: ApplicationFiled: June 29, 2023Publication date: October 26, 2023Applicant: VIVO MOBILE COMMUNICATION CO., LTD.Inventors: Hongwei SHENG, Xuefeng SHENG
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Patent number: 11757485Abstract: Embodiments of this disclosure provide a radio frequency front-end circuit and a mobile terminal. The radio frequency front-end circuit includes: a first transmit path, a first receive path, a second receive path, a third receive path, a fourth receive path, a double-pole four-throw switch, a first single-pole double-throw switch, a second single-pole double-throw switch, a third single-pole double-throw switch, a first antenna, a second antenna, a third antenna, and a fourth antenna.Type: GrantFiled: February 15, 2022Date of Patent: September 12, 2023Assignee: Vivo Mobile Communication Co., Ltd.Inventor: Xuefeng Sheng
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Patent number: 11757484Abstract: This disclosure provides a radio frequency front-end circuit and a mobile terminal. The circuit includes: a gating switch, separately connected to a first antenna, a second antenna, and a radio frequency circuit module; and a double-pole double-throw switch, separately connected to the gating switch, a third antenna, a fourth antenna, and a first radio frequency circuit, where the radio frequency circuit module is connected to a first target antenna in the first and second antennas via the gating switch, and receives and/or transmits a signal with the first target antenna; or the radio frequency circuit module is connected to a second target antenna in the third and fourth antennas via the gating switch and the double-pole double-throw switch, and receives and/or transmits a signal with the second target antenna; the first radio frequency circuit is connected to one of the third and fourth antennas via the double-pole double-throw switch.Type: GrantFiled: September 22, 2021Date of Patent: September 12, 2023Assignee: Vivo Mobile Communication Co., Ltd.Inventors: Cheng-Nan Hsieh, Xuefeng Sheng
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Patent number: 11569850Abstract: A radio frequency front-end circuit and a mobile terminal are provided. The circuit includes: a first signal transmitting circuit and a second signal transmitting circuit; a first changeover switch and a second changeover switch; and a first double-pole double-throw switch. The first signal transmitting circuit is closed through the first double-pole double-throw switch and the first changeover switch and transmits a signal through a first antenna or second antenna, or is closed through the first double-pole double-throw switch and the second changeover switch and transmits a signal through a third antenna or fourth antenna. The second signal transmitting circuit is closed through the first double-pole double-throw switch and the first changeover switch and transmits a signal through the first antenna or the second antenna, or is closed through the first double-pole double-throw switch and the second changeover switch and transmits a signal through the third antenna or the fourth antenna.Type: GrantFiled: September 22, 2021Date of Patent: January 31, 2023Assignee: VIVO MOBILE COMMUNICATION CO., LTD.Inventors: Cheng-Nan Hsieh, Xuefeng Sheng
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Publication number: 20220173764Abstract: Embodiments of this disclosure provide a radio frequency front-end circuit and a mobile terminal. The radio frequency front-end circuit includes: a first transmit path, a first receive path, a second receive path, a third receive path, a fourth receive path, a double-pole four-throw switch, a first single-pole double-throw switch, a second single-pole double-throw switch, a third single-pole double-throw switch, a first antenna, a second antenna, a third antenna, and a fourth antenna.Type: ApplicationFiled: February 15, 2022Publication date: June 2, 2022Inventor: Xuefeng SHENG
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Publication number: 20220014219Abstract: A radio frequency front-end circuit and a mobile terminal are provided. The circuit includes: a first signal transmitting circuit and a second signal transmitting circuit; a first changeover switch and a second changeover switch; and a first double-pole double-throw switch. The first signal transmitting circuit is closed through the first double-pole double-throw switch and the first changeover switch and transmits a signal through a first antenna or second antenna, or is closed through the first double-pole double-throw switch and the second changeover switch and transmits a signal through a third antenna or fourth antenna. The second signal transmitting circuit is closed through the first double-pole double-throw switch and the first changeover switch and transmits a signal through the first antenna or the second antenna, or is closed through the first double-pole double-throw switch and the second changeover switch and transmits a signal through the third antenna or the fourth antenna.Type: ApplicationFiled: September 22, 2021Publication date: January 13, 2022Applicant: VIVO MOBILE COMMUNICATION CO.,LTD.Inventors: Cheng-Nan HSIEH, Xuefeng SHENG
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Publication number: 20220014229Abstract: This disclosure provides a radio frequency front-end circuit and a mobile terminal. The circuit includes: a gating switch, separately connected to a first antenna, a second antenna, and a radio frequency circuit module; and a double-pole double-throw switch, separately connected to the gating switch, a third antenna, a fourth antenna, and a first radio frequency circuit, where the radio frequency circuit module is connected to a first target antenna in the first and second antennas via the gating switch, and receives and/or transmits a signal with the first target antenna; or the radio frequency circuit module is connected to a second target antenna in the third and fourth antennas via the gating switch and the double-pole double-throw switch, and receives and/or transmits a signal with the second target antenna; the first radio frequency circuit is connected to one of the third and fourth antennas via the double-pole double-throw switch.Type: ApplicationFiled: September 22, 2021Publication date: January 13, 2022Inventors: Cheng-Nan HSIEH, Xuefeng SHENG
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Publication number: 20210351812Abstract: A signal transceiver apparatus includes: a first communication module and a second communication module; a first switch connected to a first terminal of the first communication module and a first terminal of the second communication module, respectively; a second switch connected to a second terminal of the first communication module, and a first antenna structure connected to the second switch; a third switch connected to a second terminal of the second communication module, and a second antenna structure connected to the third switch, wherein, The first communication module corresponds to a first transmitting link and two receiving links, the second communication module corresponds to a second transmitting link and the two receiving links.Type: ApplicationFiled: July 21, 2021Publication date: November 11, 2021Applicant: VIVO MOBILE COMMUNICATION CO., LTD.Inventors: Fangsheng CHEN, Xuefeng SHENG