Patents by Inventor En-Tzu Cheng

En-Tzu Cheng 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).

  • Automatic assembling system and method for camera lens units
    Patent number: 7549219
    Abstract: An automatic assembling system and method for camera lens units are provided. The system includes a main workstation, a barrel-feeding station, a lens-feeding station, and a camera lens-removing station. The method includes (A) operating a plurality of barrel-clamping units of the main workstation cyclically and intermittently along a feeding direction; (B) moving a plurality of barrels from a barrel standby area of the barrel-feeding station onto the barrel-clamping units in sequence; (C) moving a plurality of lens units from a lens standby area assembly of the lens-feeding station into the barrels to form the camera lens units; and (D) moving the camera lens units from the barrel-clamping units into a camera lens-collecting area of the camera lens-removing station. The steps (B, C, D) are performed in cooperation with the intermittent operations of the barrel-clamping units.
    Type: Grant
    Filed: January 7, 2005
    Date of Patent: June 23, 2009
    Assignee: Asia Optical Co., Inc.
    Inventors: Po-Song Kao, Ying-Chang Chen, Yung-I Chang, En-Tzu Cheng
  • Automatic assembling system and method for camera lens units
    Publication number: 20050231819
    Abstract: An automatic assembling system and method for camera lens units are provided. The system includes a main workstation, a barrel-feeding station, a lens-feeding station, and a camera lens-removing station. The method includes (A) operating a plurality of barrel-clamping units of the main workstation cyclically and intermittently along a feeding direction; (B) moving a plurality of barrels from a barrel standby area of the barrel-feeding station onto the barrel-clamping units in sequence; (C) moving a plurality of lens units from a lens standby area assembly of the lens-feeding station into the barrels to form the camera lens units; and (D) moving the camera lens units from the barrel-clamping units into a camera lens-collecting area of the camera lens-removing station. The steps (B, C, D) are performed in cooperation with the intermittent operations of the barrel-clamping units.
    Type: Application
    Filed: January 7, 2005
    Publication date: October 20, 2005
    Inventors: Po-Song Kao, Ying-Chang Chen, Yung-I Chang, En-Tzu Cheng