Patents by Inventor Chen Chih Lung

Chen Chih Lung 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: 10437141
    Abstract: A laser projection device has at least one laser light source and a plurality of gratings, each grating having a light receiving side and a light emitting side. The plurality of gratings are arranged in a ring-shape having at least one row with the light receiving side of each grating facing a center of the ring. The laser projection device also has a motor configured to rotate the plurality of gratings about a rotational axis passing through the center of the ring. The plurality of gratings each comprise a pattern for forming an image when light is passed through the pattern. The plurality of gratings are arranged around the ring such that the plurality of patterns are configured to project an animated image when the plurality of gratings sequentially receive light from the at least one laser light source upon rotation of the grating set.
    Type: Grant
    Filed: July 19, 2018
    Date of Patent: October 8, 2019
    Assignee: Everstar Merchandise Co Ltd
    Inventors: Chen Der Li, Chen Chih Lung, Chen Chih Ming