Patents by Inventor Ming J. Chern

Ming J. Chern 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).

  • Remote control shutter device for a camera
    Patent number: 5089836
    Abstract: A shutter device disposed above a camera, a rack is caused to move up and down by a motor and has a lower end caused to depress the shutter release button of the camera, a conductor is slidably disposed on the rack and a conductor is fixed on the rack, a lever is formed on the rack, and a switch is disposed beside the lever, the conductors are separated when the button is depressed by the rack so that the motor is caused to rotate in a reverse direction and so that the rack is caused to move upward, the motor is stopped when the switch is actuated by the lever.
    Type: Grant
    Filed: April 18, 1991
    Date of Patent: February 18, 1992
    Inventor: Ming J. Chern
  • Cordless remote control shutter activation device
    Patent number: 4801959
    Abstract: A device which clamps onto one side of a camera which is cordlessly remotely operated so as to mechanically push down the shutter release button on the camera. The device comprises an inverted L shaped housing with a threaded shaft running therethrough for positioning a gripping portion and a base to support the camera. The device is battery operated to drive a motor and a series of reducing gears, which in turn drive a driving arm downwards or upwards to activate the shutter release button.
    Type: Grant
    Filed: November 17, 1987
    Date of Patent: January 31, 1989
    Inventor: Ming J. Chern