Patents by Inventor Ching-Ho Chang

Ching-Ho Chang 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: 6042242
    Abstract: An ornamental display includes a stand holding a plurality of lamps, bundles of optical glass fibers respectively fastened to the stands to pick up light from the lamps, a speaker, and a control IC controlled by a photoelectric switch and a sound-controlled switch to turn on the lamps in producing a lighting effect and the speaker in producing a sound effect when the intensity of ambient light drops below a predetermined value or, when a noise is produced.
    Type: Grant
    Filed: November 25, 1998
    Date of Patent: March 28, 2000
    Inventor: Ching-Ho Chang
  • Patent number: 5744736
    Abstract: An improvement to windchimes is provided which comprises a supporting bracket. A cluster of chimes with different notes are hanged under the peripheral edge of the supporting bracket. Characterized in that an electric powered main pendulum is hanged under the center of the supporting bracket to play a preset melody or song. An auxiliary pendulum is hanged under the main pendulum. When the auxiliary pendulum is blown by the wind, a natural notes can be heard by the tinkling to the chimes.
    Type: Grant
    Filed: September 9, 1996
    Date of Patent: April 28, 1998
    Inventor: Ching-Ho Chang