Patents by Inventor Ching Miao Wilson Wang

Ching Miao Wilson Wang 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).

  • Photographic film cartridge and camera including such
    Patent number: 6863454
    Abstract: A combination of a camera body with a lens, shutter and shutter operating control with an attachable, removeable film cartridge having an unexposed film spool region and an exposed film spool region and a bridging portion between those regions. An opening in the cartridge permits light from the lens to pass through the opening to the film at the bridging portion. A door closes the opening of the cartridge and the door is openable with the cartridge installed in or attached to the camera body. Cooperating elements on the camera body and the cartridge open the door or close the door with the door being openable when the cartridge is fully engaged with the camera body. There is a detented connection of the film cartridge in the camera body.
    Type: Grant
    Filed: February 25, 2002
    Date of Patent: March 8, 2005
    Assignee: Ginfax Development Limited
    Inventor: Ching Miao Wilson Wang
  • Photographic film cartridge and camera including such
    Patent number: 6773173
    Abstract: A camera comprises a camera body with a lens and shutter operating control and film cartridge removable from the camera body having an unexposed film spool region and an exposed film spool region and a bridging portion between those regions. An opening in the cartridge permits light from the lens to pass through the opening to the film at the bridging portion. A door closes the opening of the cartridge and the door is openable with the cartridge installed in or attached to the camera body. Cooperating elements on the camera body and the cartridge open the door or close the door with the door being openable when the cartridge is fully engaged with the camera body. There is a detented connection of the film cartridge in the camera body.
    Type: Grant
    Filed: April 17, 2002
    Date of Patent: August 10, 2004
    Assignee: Ginfax Development Ltd.
    Inventor: Ching Miao Wilson Wang
  • Photographic film cartridge and camera including such
    Publication number: 20040131350
    Abstract: A camera comprises a camera body with a lens and shutter operating control and film cartridge removable from the camera body having an unexposed film spool region and an exposed film spool region and a bridging portion between those regions. An opening in the cartridge permits light from the lens to pass through the opening to the film at the bridging portion. A door closes the opening of the cartridge and the door is openable with the cartridge installed in or attached to the camera body. Cooperating elements on the ca amera body and the cartridge open the door or close the door with the door being openable when the cartridge is fully engaged with the camera body. There is a detented connection of the film cartridge in the camera body.
    Type: Application
    Filed: December 1, 2003
    Publication date: July 8, 2004
    Inventor: Ching Miao Wilson Wang
  • Photographic film cartridge and camera including such
    Publication number: 20030086709
    Abstract: A camera comprises a camera body with a lens and shutter operating control and film cartridge removable from the camera body having an unexposed film spool region and an exposed film spool region and a bridging portion between those regions. An opening in the cartridge permits light from the lens to pass through the opening to the film at the bridging portion. A door closes the opening of the cartridge and the door is openable with the cartridge installed in or attached to the camera body. Cooperating elements on the camera body and the cartridge open the door or close the door with the door being openable when the cartridge is fully engaged with the camera body. There is a detented connection of the film cartridge in the camera body.
    Type: Application
    Filed: April 17, 2002
    Publication date: May 8, 2003
    Inventor: Ching Miao Wilson Wang
  • Photographic film cartridge and camera including such
    Publication number: 20030086708
    Abstract: A combination of a camera body with a lens, shutter and shutter operating control with an attachable, removeable film cartridge having an unexposed film spool region and an exposed film spool region and a bridging portion between those regions. An opening in the cartridge permits light from the lens to pass through the opening to the film at the bridging portion. A door closes the opening of the cartridge and the door is openable with the cartridge installed in or attached to the camera body. Cooperating elements on the camera body and the cartridge open the door or close the door with the door being openable when the cartridge is fully engaged with the camera body. There is a detented connection of the film cartridge in the camera body.
    Type: Application
    Filed: February 25, 2002
    Publication date: May 8, 2003
    Applicant: Ginfax Development Limited
    Inventor: Ching Miao Wilson Wang