Patents by Inventor Priscilla Ti Ti Chan

Priscilla Ti Ti Chan 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).

  • Film pre-exposure apparatus and method
    Patent number: 6370338
    Abstract: An apparatus (100) for pre-exposing a camera film with images has a microprocessor-based control unit having a storage device (300, 316) for storing said images, an image generator such as a cathode ray tube (110) or graphics display (301) controlled by the control unit to produce an image for pre-exposing the film with said images, and a lens (130, 306) for focusing the image onto the film for said image pre-exposure.
    Type: Grant
    Filed: December 1, 1999
    Date of Patent: April 9, 2002
    Assignee: Foster Assets Corporation
    Inventor: Priscilla Ti Ti Chan
  • Film pre-exposure mechanism and method
    Patent number: 6223002
    Abstract: A mechanism for and a method of pre-exposing a camera film with images. The mechanism comprises a control unit having a storage device for storing said images, a light generator controlled by the control unit to produce a scanning light beam for pre-exposing the film with said images, and a lens aligned with the tube for focusing the light beam onto the film for said image pre-exposure. The mechanism is arranged to be used at least partially in an absolute dark environment. The method resides in the operation of this mechanism.
    Type: Grant
    Filed: June 5, 1998
    Date of Patent: April 24, 2001
    Inventor: Priscilla Ti Ti Chan