Patents by Inventor Fuyong Zhao

Fuyong Zhao 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: 11296777
    Abstract: Methods, devices and systems for increasing wireless communication range are provided. A device includes a reconfigurable antenna system having a plurality of antenna configurations; an antenna logic system configured to select one of the antenna configurations based on signal strength indicators of the plurality of antenna configurations; and a radio frequency (RF) transceiver configured to communicate with a client device using the selected antenna configuration.
    Type: Grant
    Filed: August 7, 2019
    Date of Patent: April 5, 2022
    Assignee: CASSIA NETWORKS INC.
    Inventors: Kunpeng Zhang, Fuyong Zhao
  • Patent number: 10720983
    Abstract: A device for supporting wireless communication is provided. The device includes a transceiver, an antenna, and a radio frequency (RF) front end system communicatively coupled to the transceiver and the antenna. The RF front end system may include: a RF sampling block coupled to the transceiver and configured to sample signals received from the transceiver and output voltage signals; a RF switching logic coupled to the RF sampling block to receive the voltage signals and configured to switch the front end RF system between a transmitting mode and a receiving mode; a RF transmission gain block coupled to the RF switching logic and configured to increase a transmission power of the signals received from the transceiver; and a RF receiving gain block coupled to the RF switching logic and configured to remove noise signals contained in radio frequency signals received from the antenna.
    Type: Grant
    Filed: September 26, 2016
    Date of Patent: July 21, 2020
    Assignee: CASSIA NETWORKS INC.
    Inventors: Kunpeng Zhang, Fuyong Zhao
  • Patent number: 10681479
    Abstract: A device for providing audio data to a plurality of Bluetooth audio devices is provided. The device includes one or more Bluetooth transceivers for communicating with the plurality of Bluetooth audio devices, at least one network interface, one or more processors, and a memory for storing instructions executable by the one or more processors. The one or more processors may be configured to receive the audio data via the at least one network interface, decode the audio data for audio playing, and transmit the decoded audio data to the plurality of Bluetooth audio devices via the one or more Bluetooth transceivers.
    Type: Grant
    Filed: October 21, 2015
    Date of Patent: June 9, 2020
    Assignee: CASSIA NETWORKS INC.
    Inventors: Jiamin Zhao, Fuyong Zhao, Kunpeng Zhang, Fan Liang
  • Patent number: 10667195
    Abstract: A method for supporting wireless roaming among coverage areas of a plurality of access points may comprise detecting, by a first access point of the plurality of access points, signal strength of signals from a client device that is wirelessly connected to the first access point; comparing the signal strength with a threshold, and if the signal strength is less than the threshold, disconnecting, by the first access point, the client device from the first access point; transmitting, by the first access point, a signal indicating the disconnection of the client device to an access controller; updating, by the access controller, connection status information to indicate the disconnection of the client device from the first access point; transmitting, by the access controller, the connection status information of the client device to the plurality of access points; and connecting the client device with a second access point of the plurality of access points.
    Type: Grant
    Filed: July 29, 2019
    Date of Patent: May 26, 2020
    Assignee: CASSIA NETWORKS INC.
    Inventors: Feng Gao, Fuyong Zhao, Xiansen Cai, Haitao Shi
  • Patent number: 10581511
    Abstract: A device for supporting wireless communication is provided. The device includes a transceiver, an antenna, and a radio frequency (RF) front end system communicatively coupled to the transceiver and the antenna. The RF front end system may include: a RF sampling block coupled to the transceiver and configured to sample signals received from the transceiver and output voltage signals; a RF switching logic coupled to the RF sampling block to receive the voltage signals and configured to switch the front end RF system between a transmitting mode and a receiving mode; a RF transmission gain block coupled to the RF switching logic and configured to increase a transmission power of the signals received from the transceiver; and a RF receiving gain block coupled to the RF switching logic and configured to remove noise signals contained in radio frequency signals received from the antenna.
    Type: Grant
    Filed: September 1, 2017
    Date of Patent: March 3, 2020
    Assignee: Cassia Networks Inc.
    Inventors: Kunpeng Zhang, Fuyong Zhao
  • Publication number: 20190363781
    Abstract: Methods, devices and systems for increasing wireless communication range are provided. A device includes a reconfigurable antenna system having a plurality of antenna configurations; an antenna logic system configured to select one of the antenna configurations based on signal strength indicators of the plurality of antenna configurations; and a radio frequency (RF) transceiver configured to communicate with a client device using the selected antenna configuration.
    Type: Application
    Filed: August 7, 2019
    Publication date: November 28, 2019
    Inventors: Kunpeng ZHANG, Fuyong ZHAO
  • Publication number: 20190349831
    Abstract: A method for supporting wireless roaming among coverage areas of a plurality of access points may comprise detecting, by a first access point of the plurality of access points, signal strength of signals from a client device that is wirelessly connected to the first access point; comparing the signal strength with a threshold, and if the signal strength is less than the threshold, disconnecting, by the first access point, the client device from the first access point; transmitting, by the first access point, a signal indicating the disconnection of the client device to an access controller; updating, by the access controller, connection status information to indicate the disconnection of the client device from the first access point; transmitting, by the access controller, the connection status information of the client device to the plurality of access points; and connecting the client device with a second access point of the plurality of access points.
    Type: Application
    Filed: July 29, 2019
    Publication date: November 14, 2019
    Inventors: Feng GAO, Fuyong ZHAO, Xiansen CAI, Haitao SHI
  • Patent number: 10433230
    Abstract: A method for supporting wireless roaming among coverage areas of a plurality of access points may comprise detecting, by a first access point of the plurality of access points, signal strength of signals from a client device that is wirelessly connected to the first access point; comparing the signal strength with a threshold, and if the signal strength is less than the threshold, disconnecting, by the first access point, the client device from the first access point; transmitting, by the first access point, a signal indicating the disconnection of the client device to an access controller; updating, by the access controller, connection status information to indicate the disconnection of the client device from the first access point; transmitting, by the access controller, the connection status information of the client device to the plurality of access points; and connecting the client device with a second access point of the plurality of access points.
    Type: Grant
    Filed: December 12, 2017
    Date of Patent: October 1, 2019
    Assignee: Cassia Networks Inc.
    Inventors: Feng Gao, Fuyong Zhao, Xiansen Cai, Haitao Shi
  • Patent number: 10368376
    Abstract: Various data (e.g., audio) relay devices and methods are disclosed. An exemplary data relay device may comprise a first chip configured to wirelessly connect to one or more physical sink devices, and a second chip. The second chip may be configured to create one or more virtual sink devices configured to be wirelessly detectable by one or more physical source devices, in response to the one or more physical source devices wirelessly connecting to the second chip, obtain data from the one or more physical source devices, and transmit the data to the first chip, causing the first chip to relay the data to the one or more physical sink devices.
    Type: Grant
    Filed: October 19, 2017
    Date of Patent: July 30, 2019
    Assignee: Cassia Network Inc.
    Inventors: Daguang Gu, Haitao Shi, Fuyong Zhao
  • Publication number: 20190182740
    Abstract: A method for supporting wireless roaming among coverage areas of a plurality of access points may comprise detecting, by a first access point of the plurality of access points, signal strength of signals from a client device that is wirelessly connected to the first access point; comparing the signal strength with a threshold, and if the signal strength is less than the threshold, disconnecting, by the first access point, the client device from the first access point; transmitting, by the first access point, a signal indicating the disconnection of the client device to an access controller; updating, by the access controller, connection status information to indicate the disconnection of the client device from the first access point; transmitting, by the access controller, the connection status information of the client device to the plurality of access points; and connecting the client device with a second access point of the plurality of access points.
    Type: Application
    Filed: December 12, 2017
    Publication date: June 13, 2019
    Inventors: Feng GAO, Fuyong ZHAO, Xiansen CAI, Haitao SHI
  • Patent number: 10225098
    Abstract: A device for supporting wireless communication is provided. The device may comprise a first Bluetooth chip for communicating with a Bluetooth device and a second Bluetooth chip for communicating with a client device. The second Bluetooth chip may be configured to receive advertising data of the Bluetooth device from the first Bluetooth chip and broadcast advertising data including the received advertising data of the Bluetooth device. The first Bluetooth chip and the second Bluetooth chip may be configured to establish communication links between the client device and the second Bluetooth chip, between the second Bluetooth chip and the first Bluetooth chip, and between the first Bluetooth chip and the Bluetooth device.
    Type: Grant
    Filed: June 6, 2017
    Date of Patent: March 5, 2019
    Assignee: Cassia Networks Inc.
    Inventors: Daguang Gu, Fuyong Zhao, Kunpeng Zhang
  • Patent number: 10178494
    Abstract: A device for supporting wireless communication is provided. The device includes a first Bluetooth transceiver for communicating with a Bluetooth device, a second Bluetooth transceiver for communicating with a client device, one or more processors, and a memory for storing instructions executable by the one or more processors. The one or more processors may be configured to establish, via the first Bluetooth transceiver, a first communication connection with the Bluetooth device, and transmit, via the second Bluetooth transceiver, a Bluetooth broadcast signal indicating an availability of the Bluetooth device, and establish, via the second Bluetooth transceiver, a second communication connection with the client device. The one or more processors may be further configured to receive, data directing to the Bluetooth device, from the client device via the second communication connection, and forward, the data directing to the Bluetooth device, to the Bluetooth device via the first communication connection.
    Type: Grant
    Filed: November 2, 2015
    Date of Patent: January 8, 2019
    Assignee: CASSIA NETWORKS INC.
    Inventors: Fuyong Zhao, Kunpeng Zhang
  • Patent number: 9986495
    Abstract: A device for supporting wireless communication is provided. The device includes a first Bluetooth transceiver for connecting to a Bluetooth device, a second Bluetooth transceiver for connecting to a client device, one or more processors, and a memory for storing instructions executable by the one or more processors. The one or more processors may be configured to scan for one or more available Bluetooth devices via the first Bluetooth transceiver, establish a first communication connection with the Bluetooth device via the first Bluetooth transceiver, establish a second communication connection with the client device via the second Bluetooth transceiver, receive data from the client device via the second communication connection, and forward the data to the Bluetooth device via the first communication connection.
    Type: Grant
    Filed: June 27, 2017
    Date of Patent: May 29, 2018
    Assignee: CASSIA NETWORKS INC.
    Inventors: Daguang Gu, Fuyong Zhao, Kunpeng Zhang
  • Patent number: 9960834
    Abstract: A device for supporting wireless communication is provided. The device includes a transceiver, an antenna, and a radio frequency (RF) front end system communicatively coupled to the transceiver and the antenna. The RF front end system may include: a RF sampling block coupled to the transceiver and configured to sample signals received from the transceiver and output voltage signals; a RF switching logic coupled to the RF sampling block to receive the voltage signals and configured to switch the front end RF system between a transmitting mode and a receiving mode; a RF transmission gain block coupled to the RF switching logic and configured to increase a transmission power of the signals received from the transceiver; and a RF receiving gain block coupled to the RF switching logic and configured to remove noise signals contained in radio frequency signals received from the antenna.
    Type: Grant
    Filed: March 6, 2017
    Date of Patent: May 1, 2018
    Assignee: CASSIA NETWORKS INC.
    Inventors: Kunpeng Zhang, Fuyong Zhao
  • Patent number: 9959733
    Abstract: Devices, systems, and methods are disclosed for detecting falls and transmitting notifications. One embodiment includes a wearable device. The wearable device may include a first sensor configured to collect acceleration data, and at least one of a second sensor configured to collect pressure data or a third sensor configured to collect temperature data. The wearable device may also include an antenna and a processor. The wearable device may also include a non-transitory computer-readable storage medium storing instructions that, when executed by the processor, cause the processor to receive the acceleration data and at least one of the pressure data or the temperature data, process the acceleration data and at least one of the pressure data or the temperature data, and control, when the processor determines that a person falls, the antenna to transmit a signal.
    Type: Grant
    Filed: September 1, 2015
    Date of Patent: May 1, 2018
    Assignee: CASSIA NETWORK INC.
    Inventors: Daguang Gu, Kunpeng Zhang, Tai Seng Chen, Fuyong Zhao
  • Publication number: 20180116003
    Abstract: Various data (e.g., audio) relay devices and methods are disclosed. An exemplary data relay device may comprise a first chip configured to wirelessly connect to one or more physical sink devices, and a second chip. The second chip may be configured to create one or more virtual sink devices configured to be wirelessly detectable by one or more physical source devices, in response to the one or more physical source devices wirelessly connecting to the second chip, obtain data from the one or more physical source devices, and transmit the data to the first chip, causing the first chip to relay the data to the one or more physical sink devices.
    Type: Application
    Filed: October 19, 2017
    Publication date: April 26, 2018
    Inventors: Daguang GU, Haitao SHI, Fuyong ZHAO
  • Publication number: 20170366248
    Abstract: A device for supporting wireless communication is provided. The device includes a transceiver, an antenna, and a radio frequency (RF) front end system communicatively coupled to the transceiver and the antenna. The RF front end system may include: a RF sampling block coupled to the transceiver and configured to sample signals received from the transceiver and output voltage signals; a RF switching logic coupled to the RF sampling block to receive the voltage signals and configured to switch the front end RF system between a transmitting mode and a receiving mode; a RF transmission gain block coupled to the RF switching logic and configured to increase a transmission power of the signals received from the transceiver; and a RF receiving gain block coupled to the RF switching logic and configured to remove noise signals contained in radio frequency signals received from the antenna.
    Type: Application
    Filed: September 1, 2017
    Publication date: December 21, 2017
    Inventors: KUNPENG ZHANG, FUYONG ZHAO
  • Publication number: 20170295539
    Abstract: A device for supporting wireless communication is provided. The device includes a first Bluetooth transceiver for connecting to a Bluetooth device, a second Bluetooth transceiver for connecting to a client device, one or more processors, and a memory for storing instructions executable by the one or more processors. The one or more processors may be configured to scan for one or more available Bluetooth devices via the first Bluetooth transceiver, establish a first communication connection with the Bluetooth device via the first Bluetooth transceiver, establish a second communication connection with the client device via the second Bluetooth transceiver, receive data from the client device via the second communication connection, and forward the data to the Bluetooth device via the first communication connection.
    Type: Application
    Filed: June 27, 2017
    Publication date: October 12, 2017
    Inventors: Daguang GU, Fuyong ZHAO, Kunpeng ZHANG
  • Publication number: 20170272270
    Abstract: A device for supporting wireless communication is provided. The device may comprise a first Bluetooth chip for communicating with a Bluetooth device and a second Bluetooth chip for communicating with a client device. The second Bluetooth chip may be configured to receive advertising data of the Bluetooth device from the first Bluetooth chip and broadcast advertising data including the received advertising data of the Bluetooth device. The first Bluetooth chip and the second Bluetooth chip may be configured to establish communication links between the client device and the second Bluetooth chip, between the second Bluetooth chip and the first Bluetooth chip, and between the first Bluetooth chip and the Bluetooth device.
    Type: Application
    Filed: June 6, 2017
    Publication date: September 21, 2017
    Inventors: DAGUANG GU, FUYONG ZHAO, KUNPENG ZHANG
  • Patent number: 9769594
    Abstract: A device for supporting wireless communication is provided. The device includes a transceiver, an antenna, and a radio frequency (RF) front end system communicatively coupled to the transceiver and the antenna. The RF front end system may include: a RF sampling block coupled to the transceiver and configured to sample signals received from the transceiver and output voltage signals; a RF switching logic coupled to the RF sampling block to receive the voltage signals and configured to switch the front end RF system between a transmitting mode and a receiving mode; a RF transmission gain block coupled to the RF switching logic and configured to increase a transmission power of the signals received from the transceiver; and a RF receiving gain block coupled to the RF switching logic and configured to remove noise signals contained in radio frequency signals received from the antenna.
    Type: Grant
    Filed: March 5, 2015
    Date of Patent: September 19, 2017
    Assignee: CASSIA NETWORKS INC.
    Inventors: Kunpeng Zhang, Fuyong Zhao