Patents by Inventor Pochih Chen

Pochih Chen 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).

  • Publication number: 20050180743
    Abstract: An exposure device for a camera comprises a lens, a shutter, a base and a driving device, wherein the shutter is driven by the driver to move on the base. Shutter movement is kept inline by a track formed by a first restraining member and a second restraining member. Thereby, the shutter can block or admit incident light through the lens.
    Type: Application
    Filed: January 18, 2005
    Publication date: August 18, 2005
    Inventor: Pochih Chen