Patents by Inventor Chin-Tsun Tseng

Chin-Tsun Tseng 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: 5462515
    Abstract: A multi-functional automatic circular massaging device including at least a pair of motors respectively disposed in a pair of housings to rotatively drive cams for creating a vibrating massaging effect, a soft pad formed with two lateral recesses for receiving the housings, a heating coil sandwiched between two layers of unwoven fabrics, a surface layer covering the soft pad, and a controlling box connected to the motors and an external power source. The surface layer is formed with alternating X-shaped protuberances and spherical bosses and alternating long and short rod-like protuberances disposed on four side edges of the surface layer. The controlling box includes a circuit board having a specific chip which controls the motors to output varying power at a predetermined time interval, creating sequential automatic circularly varying at least eight stages of massaging effect from strongest stage to weakest stage.
    Type: Grant
    Filed: December 21, 1993
    Date of Patent: October 31, 1995
    Inventor: Chin-Tsun Tseng