Patents by Inventor Enqin Zhang
Enqin Zhang 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: 11445145Abstract: The present application relates to the technical field of communication, and provides a method and a device for controlling camera shooting, a smart device and a computer storage medium, including: collecting voice data of a sound source object; extracting a voice feature based on the voice data of the sound source object; determining a current voice scene according to the extracted voice feature and a voice feature corresponding to the preset voice scene; and acquiring a shooting mode corresponding to the current voice scene, and controlling movement of the camera according to the shooting mode corresponding to the current voice scene. With the method above, frequently shaking can be avoided, and shooting efficiency and user experience can be improved.Type: GrantFiled: April 4, 2019Date of Patent: September 13, 2022Assignee: SHENZHEN GRANDSUN ELECTRONIC CO., LTD.Inventors: Dejun Jiang, Haiquan Wu, Enqin Zhang, Lei Cao, Ruiwen Shi
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Patent number: 11243595Abstract: The present disclosure is applicable to the technical field of loudspeaker and provides a method and apparatus for reducing continuous-wakeup delay of Bluetooth loudspeaker and a Bluetooth loudspeaker. The method for reducing continuous-wakeup delay of Bluetooth loudspeaker includes: resetting a wakeup flag bit to wait for a next wakeup when receiving a stop-recording instruction which is sent by a terminal equipment through a Bluetooth serial port communication protocol; and executing a wakeup-interruption operation again after a preset wakeup keyword is received. According to the present disclosure, time delay under a continuous-wakeup mode can be greatly reduced and a response speed of continuous-wakeup can be improved.Type: GrantFiled: March 29, 2019Date of Patent: February 8, 2022Assignee: SHENZHEN GRANDSUN ELECTRONIC CO., LTD.Inventors: Wen Cheng, Haiquan Wu, Dayong Tang, Enqin Zhang, Lei Cao, Ruiwen Shi
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Publication number: 20220014846Abstract: The present application relates to the technical field of audio processing, and provides a method and a device for playing a smart speaker and a smart speaker. The method includes: controlling each speaker to output audio signals at a corresponding initial broadcast frequency, initial broadcast amplitude and initial broadcast phase when an azimuth angle of a user is not obtained; calculating an actual broadcast amplitude and an actual broadcast phase of each speaker through a sound energy focusing algorithm, the azimuth angle of the user, a broadcast angle of each speaker and the initial broadcast frequency of each speaker when the azimuth angle of the user is obtained; and controlling each speaker to output audio signals according to the corresponding initial broadcast frequency, the actual broadcast amplitude and the actual broadcast phase.Type: ApplicationFiled: September 25, 2019Publication date: January 13, 2022Applicant: SHENZHEN GRANDSUN ELECTRONIC CO., LTD.Inventors: Fei CHEN, Haiquan WU, Xin CHI, Enqin ZHANG, Lei CAO, Ruiwen SHI
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Patent number: 11199893Abstract: The method for processing data of Bluetooth speaker includes: running a first program firmware before the Bluetooth speaker is awakened; awakening the Bluetooth speaker after detecting wake-up information by the first program firmware, and caching received speech data by the first program firmware; establishing connection with a terminal device, and transmitting the speech data to the terminal device; and switching from the first program firmware to the second program firmware for operation if a request for re-establishing connection from the terminal device is received after current connection with the terminal device is disconnected, and receiving speech data fed back by the terminal device through the second program firmware, and playing the speech data fed back by the terminal device. The present application can increase the space for storing speech data when the size of the storage space of a system is fixed, thereby caching more speech data.Type: GrantFiled: March 29, 2019Date of Patent: December 14, 2021Assignee: SHENZHEN GRANDSUN ELECTRONIC CO., LTD.Inventors: Wen Cheng, Haiquan Wu, Dayong Tang, Enqin Zhang, Lei Cao, Ruiwen Shi
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Patent number: 11129221Abstract: The present application is applicable to the field of smart terminal technologies, and a Bluetooth connection method and device and a smart terminal are provided. The method includes: searching, by a terminal device, for a dual-mode Bluetooth device and establishing a connection relationship in a first Bluetooth mode with the dual-mode Bluetooth device; obtaining identification information of the dual-mode Bluetooth device; and establishing a connection relationship in a second Bluetooth mode with the dual-mode Bluetooth device according to the identification information.Type: GrantFiled: March 29, 2019Date of Patent: September 21, 2021Assignee: SHENZHEN GRANDSUN ELECTRONIC CO., LTD.Inventors: Minjie Lin, Haiquan Wu, Dejun Jiang, Enqin Zhang, Lei Cao, Ruiwen Shi
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Patent number: 10966019Abstract: An audio signal processing device, including: a digital signal processing module, an input module, an output module, and a control module. The digital signal processing module is in connection with the input module and the output module, and the control module is in connection with the output module. The output module includes at least two output channels, with each output channel including a power amplifier and a speaker in series connection. The digital signal processing module is configured to receive an audio signal output by the input module and to process the audio signal with at least two different audio processing algorithms, and output the at least two audio processing signals. Each audio processing signal corresponds to one output channel. The control module is configured to control the operation state of the power amplifier of each output channel and the magnification thereof in operation.Type: GrantFiled: March 19, 2019Date of Patent: March 30, 2021Assignee: SHENZHEN GRANDSUN ELECTRONIC CO., LTD.Inventors: Shimin Zhang, Haiquan Wu, Dayong Tang, Enqin Zhang, Lei Cao, Ruiwen Shi
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Patent number: 10917577Abstract: The present application relates to the technical field of communication, and provides a method and device for controlling camera shooting, a smart device, and a storage medium, including: recognizing whether or not a voice contains a keyword when the voice is detected; determining a sound source angle of a sound source object sending the voice if the voice contains the keyword; controlling the camera to turn according to the sound source angle of the sound source object sending the voice, such that the sound source object sending the voice is located within an image shooting range of the camera. In this way, preventing the camera from turning frequently when multiple people are speaking at the same time and causing shaking.Type: GrantFiled: April 3, 2019Date of Patent: February 9, 2021Assignee: SHENZHEN GRANDSUN ELECTRONIC CO., LTD.Inventors: Zhonghai Zhang, Haiquan Wu, Enqin Zhang, Lei Cao, Ruiwen Shi
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Patent number: 10785559Abstract: The present application is applicable to the technical field of intelligent home, and provides a method and a device for switching play modes of a wireless speaker, and a wireless speaker. The method for switching play modes of a wireless speaker includes: acquiring user information in a current application scenario by the camera and/or the microphone array; and controlling the wireless speaker to switch into a play mode corresponding to the user information. The embodiments of the present application can automatically switch the play modes according to the application scenario, thereby improving the switching efficiency, reducing the waiting time of the user, and having strong ease of use and practicability.Type: GrantFiled: March 25, 2019Date of Patent: September 22, 2020Assignee: SHENZHEN GRANDSUN ELECTRONIC CO., LTD.Inventors: Rongfang Huang, Haiquan Wu, Weifeng Gu, Enqin Zhang, Lei Cao, Ruiwen Shi
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Publication number: 20190313031Abstract: The present application relates to the technical field of communication, and provides a method and device for controlling camera shooting, a smart device, and a storage medium, including: recognizing whether or not a voice contains a keyword when the voice is detected; determining a sound source angle of a sound source object sending the voice if the voice contains the keyword; controlling the camera to turn according to the sound source angle of the sound source object sending the voice, such that the sound source object sending the voice is located within an image shooting range of the camera. In this way, preventing the camera from turning frequently when multiple people are speaking at the same time and causing shaking.Type: ApplicationFiled: April 3, 2019Publication date: October 10, 2019Inventors: Zhonghai Zhang, Haiquan Wu, Enqin Zhang, Lei Cao, Ruiwen Shi
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Publication number: 20190313057Abstract: The present application relates to the technical field of communication, and provides a method and a device for controlling camera shooting, a smart device and a computer storage medium, including: collecting voice data of a sound source object; extracting a voice feature based on the voice data of the sound source object; determining a current voice scene according to the extracted voice feature and a voice feature corresponding to the preset voice scene; and acquiring a shooting mode corresponding to the current voice scene, and controlling movement of the camera according to the shooting mode corresponding to the current voice scene. With the method above, frequently shaking can be avoided, and shooting efficiency and user experience can be improved.Type: ApplicationFiled: April 4, 2019Publication date: October 10, 2019Inventors: Dejun Jiang, Haiquan Wu, Enqin Zhang, Lei Cao, Ruiwen Shi
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Publication number: 20190306905Abstract: The present application is applicable to the field of smart terminal technologies, and a Bluetooth connection method and device and a smart terminal are provided. The method includes: searching, by a terminal device, for a dual-mode Bluetooth device and establishing a connection relationship in a first Bluetooth mode with the dual-mode Bluetooth device; obtaining identification information of the dual-mode Bluetooth device; and establishing a connection relationship in a second Bluetooth mode with the dual-mode Bluetooth device according to the identification information.Type: ApplicationFiled: March 29, 2019Publication date: October 3, 2019Inventors: Minjie LIN, Haiquan WU, Dejun JIANG, Enqin ZHANG, Lei CAO, Ruiwen SHI
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Publication number: 20190304458Abstract: A method for configuring a wireless sound box includes acquiring information of a wakeup mode of a wireless sound box, where the wakeup mode comprises: a speech wakeup mode and a non-speech wakeup mode; and configuring an equalizer parameter of the wireless sound box according to the information of the wakeup mode, where said configuring an equalizer parameter of the wireless sound box according to the information of the wakeup mode comprises: configuring, under the speech wakeup mode, the equalizer parameter to be a first mode parameter for regulating a nonlinear distortion, and configuring, under the non-speech wakeup mode, the equalizer parameter into a second mode parameter for regulating an output sound effect. The accuracy of speech recognition is improved while improving the sound quality of the wireless sound box, thereby being adapted to the needs of different application scenarios and possessing high practicality and usability.Type: ApplicationFiled: March 27, 2019Publication date: October 3, 2019Applicant: SHENZHEN GRANDSUN ELECTRONIC CO., LTD.Inventors: Xin CHI, Haiquan WU, Enqin ZHANG, Lei CAO, Ruiwen SHI
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Publication number: 20190302867Abstract: The present disclosure is applicable to the technical field of loudspeaker and provides a method and apparatus for reducing continuous-wakeup delay of Bluetooth loudspeaker and a Bluetooth loudspeaker. The method for reducing continuous-wakeup delay of Bluetooth loudspeaker includes: resetting a wakeup flag bit to wait for a next wakeup when receiving a stop-recording instruction which is sent by a terminal equipment through a Bluetooth serial port communication protocol; and executing a wakeup-interruption operation again after a preset wakeup keyword is received. According to the present disclosure, time delay under a continuous-wakeup mode can be greatly reduced and a response speed of continuous-wakeup can be improved.Type: ApplicationFiled: March 29, 2019Publication date: October 3, 2019Applicant: SHENZHEN GRANDSUN ELECTRONIC CO., LTD.Inventors: Wen CHENG, Haiquan WU, Dayong TANG, Enqin ZHANG, Lei CAO, Ruiwen SHI
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Publication number: 20190302866Abstract: The method for processing data of Bluetooth speaker includes: running a first program firmware before the Bluetooth speaker is awakened; awakening the Bluetooth speaker after detecting wake-up information by the first program firmware, and caching received speech data by the first program firmware; establishing connection with a terminal device, and transmitting the speech data to the terminal device; and switching from the first program firmware to the second program firmware for operation if a request for re-establishing connection from the terminal device is received after current connection with the terminal device is disconnected, and receiving speech data fed back by the terminal device through the second program firmware, and playing the speech data fed back by the terminal device. The present application can increase the space for storing speech data when the size of the storage space of a system is fixed, thereby caching more speech data.Type: ApplicationFiled: March 29, 2019Publication date: October 3, 2019Applicant: SHENZHEN GRANDSUN ELECTRONIC CO., LTD.Inventors: Wen CHENG, Haiquan WU, Dayong TANG, Enqin ZHANG, Lei CAO, Ruiwen SHI
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Publication number: 20190297415Abstract: The present application is applicable to the technical field of intelligent home, and provides a method and a device for switching play modes of a wireless speaker, and a wireless speaker. The method for switching play modes of a wireless speaker includes: acquiring user information in a current application scenario by the camera and/or the microphone array; and controlling the wireless speaker to switch into a play mode corresponding to the user information. The embodiments of the present application can automatically switch the play modes according to the application scenario, thereby improving the switching efficiency, reducing the waiting time of the user, and having strong ease of use and practicability.Type: ApplicationFiled: March 25, 2019Publication date: September 26, 2019Inventors: Rongfang HUANG, Haiquan WU, Weifeng GU, Enqin ZHANG, Lei CAO, Ruiwen SHI
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Patent number: D883280Type: GrantFiled: February 25, 2019Date of Patent: May 5, 2020Assignee: SHENZHEN GRANDSUN ELECTRONIC CO., LTDInventors: Wei Shao, Haiquan Wu, Zhanming Lu, Enqin Zhang, Jiugao Peng, Ruiwen Shi
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Patent number: D884700Type: GrantFiled: February 28, 2019Date of Patent: May 19, 2020Assignee: SHENZHEN GRANDSUN ELECTRONIC CO., LTD.Inventors: Wei Shao, Haiquan Wu, Zhanming Lu, Enqin Zhang, Jiugao Peng, Ruiwen Shi
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Patent number: D900098Type: GrantFiled: July 9, 2019Date of Patent: October 27, 2020Assignee: SHENZHEN GRANDSUN ELECTRONICS CO., LTD.Inventors: Erli Wang, Haiquan Wu, Zhanming Lu, Enqin Zhang, Ruiwen Shi
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Patent number: D905049Type: GrantFiled: February 19, 2019Date of Patent: December 15, 2020Assignee: SHENZHEN GRANDSUN ELECTRONIC CO., LTD.Inventors: Zhanming Lu, Haiquan Wu, Yang Yang, Enqin Zhang, Jiugao Peng, Ruiwen Shi
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Patent number: D905055Type: GrantFiled: July 9, 2019Date of Patent: December 15, 2020Assignee: SHENZHEN GRANDSUN ELECTRONIC CO., LTD.Inventors: Wei Shao, Haiquan Wu, Zhanming Lu, Enqin Zhang, Ruiwen Shi