Patents by Inventor Wai Ki Shum

Wai Ki Shum 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: 6965543
    Abstract: A radio controllable clock includes an analog display having a plurality of clock hands each fastened to a uniquely associated one of a plurality of clock hand shafts that each rotate about a common axis. The clock also includes a plurality of rotary gears each uniquely associated with one of the clock hand shafts, for rotating the clock hand shafts. Each rotary gear has a face perpendicular to the common axis, wherein each of the rotary gears includes a protrusion extending substantially perpendicular from the face. A microcontroller provides a plurality of drive command signals and the rotary gears are driven responsive to the drive command signals. A reset claw is operably positioned to engage at least one of the protrusions to stop the rotation of the clock hand shaft associated with the protrusion in order to position the clock hand associated with the protrusion at a datum position.
    Type: Grant
    Filed: October 24, 2000
    Date of Patent: November 15, 2005
    Assignee: Kienzle Time (Hong Kong) Limited
    Inventors: Wai Ki Shum, Wan Sang Chan