Patents by Inventor Qingkai Mei

Qingkai Mei 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: 9226055
    Abstract: A bracket with sound boxes for a tablet electronic device, comprises an arch-shaped connecting piece and sound boxes respectively installed on two opposite ends of the arch-shaped connecting piece. Opposite inner sides of the two sound boxes are respectively provided with a fixing holder for erecting the tablet electronic device. The bracket implements the integration of the bracket for a tablet electronic device and a sound system. When the tablet electronic device and sound system in use need to be moved, only the bracket needs to be moved, which facilitates movability and portability.
    Type: Grant
    Filed: November 23, 2012
    Date of Patent: December 29, 2015
    Inventor: Qingkai Mei
  • Publication number: 20150010188
    Abstract: A bracket with sound boxes for a tablet electronic device, comprises an arch-shaped connecting piece and sound boxes respectively installed on two opposite ends of the arch-shaped connecting piece. Opposite inner sides of the two sound boxes are respectively provided with a fixing holder for erecting the tablet electronic device. The bracket implements the integration of the bracket for a tablet electronic device and a sound system. When the tablet electronic device and sound system in use need to be moved, only the bracket needs to be moved, which facilitates movability and portability.
    Type: Application
    Filed: November 23, 2012
    Publication date: January 8, 2015
    Inventor: Qingkai Mei
  • Patent number: 8867771
    Abstract: The invention discloses a kind of portable vibration speaker that is composed of an upper cover, a lower cover, and a vibrating tone generator and a control circuit (the both are fitted inside the lower cover). The inside of the upper cover is fitted with a speaker. The improvements include a blow-molded spring; one end of the blow-molded spring is connected to the upper cover, and the other end is connected to the lower cover in rotating mode; inner wall of the upper cover is provided with a buckle, and a buckle flute is arranged in a position on the lower cover corresponding to the buckle. A blow-molded spring connects the resonant sound unit and speakers into one piece so as to avoid the flaws such as poor sound effects and narrow volume range of pure resonant sound unit or conventional compact sound unit. Music of different sound quality may be given with superior sound quality effects.
    Type: Grant
    Filed: October 20, 2011
    Date of Patent: October 21, 2014
    Inventor: Qingkai Mei
  • Publication number: 20130170683
    Abstract: The invention discloses a kind of portable vibration speaker that is composed of an upper cover, a lower cover, and a vibrating tone generator and a control circuit (the both are fitted inside the lower cover). The inside of the upper cover is fitted with a speaker. The improvements include a blow-molded spring; one end of the blow-molded spring is connected to the upper cover, and the other end is connected to the lower cover in rotating mode; inner wall of the upper cover is provided with a buckle, and a buckle flute is arranged in a position on the lower cover corresponding to the buckle. A blow-molded spring connects the resonant sound unit and speakers into one piece so as to avoid the flaws such as poor sound effects and narrow volume range of pure resonant sound unit or conventional compact sound unit. Music of different sound quality may be given with superior sound quality effects.
    Type: Application
    Filed: October 20, 2011
    Publication date: July 4, 2013
    Inventor: Qingkai Mei
  • Patent number: D839237
    Type: Grant
    Filed: October 12, 2017
    Date of Patent: January 29, 2019
    Assignee: Shenzhen MeiDong Acoustics Co., LTD
    Inventor: Qingkai Mei
  • Patent number: D839850
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: February 5, 2019
    Assignee: Shenzhen MeiDong Acoustics Co., LTD
    Inventor: Qingkai Mei
  • Patent number: D841617
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: February 26, 2019
    Assignee: Shenzhen MeiDong Acoustics Co., LTD
    Inventor: Qingkai Mei
  • Patent number: D841618
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: February 26, 2019
    Assignee: Shenzhen MeiDong Acoustics Co., LTD
    Inventor: Qingkai Mei
  • Patent number: D852164
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: June 25, 2019
    Assignee: Shenzhen MeiDong Acoustics Co., Ltd.
    Inventor: Qingkai Mei
  • Patent number: D897996
    Type: Grant
    Filed: March 26, 2019
    Date of Patent: October 6, 2020
    Assignee: Shenzhen MeiDong Acoustics Co., Ltd.
    Inventor: Qingkai Mei
  • Patent number: D907598
    Type: Grant
    Filed: March 8, 2019
    Date of Patent: January 12, 2021
    Assignee: Shenzhen MeiDong Acoustics Co., Ltd.
    Inventor: Qingkai Mei
  • Patent number: D908115
    Type: Grant
    Filed: March 26, 2019
    Date of Patent: January 19, 2021
    Assignee: Shenzhen MeiDong Acoustics Co., Ltd.
    Inventor: Qingkai Mei