Patents by Inventor Jun-Chao Ma

Jun-Chao Ma 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).

  • Mobile telephone
    Patent number: 8014839
    Abstract: A mobile telephone includes a first body, a connecting portion, and a second body. A keyboard is formed the first body. The connecting portion is secured on the first body and rotatable relative to the first body about a first axis. The second body is secured on the connecting portion and rotatable relative to the connecting portion about a second axis. The second axis is substantially perpendicular to the first axis.
    Type: Grant
    Filed: November 20, 2008
    Date of Patent: September 6, 2011
    Assignees: Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.
    Inventor: Jun-Chao Ma
  • Vibration test device
    Patent number: 7726194
    Abstract: A vibration test device for an electronic device(40) includes a test platform (10), and at least a pair of holders (20) attached to the platform. The test platform is capable of vibrating along any predetermined direction, and at any predetermined frequency. Each of the holders includes a pair of parallel base brackets(22) attached to the platform, and a mounting bracket(24) attached to the base brackets for mounting the electronic device. The holders and the electronic device are capable of vibrating together with the test platform.
    Type: Grant
    Filed: October 12, 2007
    Date of Patent: June 1, 2010
    Assignees: Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.
    Inventor: Jun-Chao Ma
  • MOBILE TELEPHONE
    Publication number: 20090298559
    Abstract: A mobile telephone includes a first body, a connecting portion, and a second body. A keyboard is formed the first body. The connecting portion is secured on the first body and rotatable relative to the first body about a first axis. The second body is secured on the connecting portion and rotatable relative to the connecting portion about a second axis. The second axis is substantially perpendicular to the first axis.
    Type: Application
    Filed: November 20, 2008
    Publication date: December 3, 2009
    Applicants: HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD., HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: Jun-Chao Ma
  • VIBRATION TEST DEVICE
    Publication number: 20090056458
    Abstract: A vibration test device for an electronic device (40) includes a test platform (10), and at least a pair of holders (20) attached to the platform. The test platform is capable of vibrating along any predetermined direction, and at any predetermined frequency. Each of the holders includes a pair of parallel base brackets (22) attached to the platform, and a mounting bracket (24) attached to the base brackets for mounting the electronic device. The holders and the electronic device are capable of vibrating together with the test platform.
    Type: Application
    Filed: October 12, 2007
    Publication date: March 5, 2009
    Applicants: HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD ., HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: JUN-CHAO MA