Patents by Inventor Chi-Yu Tsang

Chi-Yu Tsang 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).

  • Patent number: 10808852
    Abstract: A system for continuous supply of ink to a printer includes an ink tank, a supporting seat including several inkjet cartridges, and several check valves. The check valve includes a connecting tube having a first through port and a second through port, and a piston shaft movably installed in the connecting tube. The piston shaft moves to open or close the first through port. The first through port communicates with the ink tank by an ink tube and leakage of ink when the printer is lifted or when an inkhead is changed is prevented.
    Type: Grant
    Filed: May 28, 2019
    Date of Patent: October 20, 2020
    Assignees: HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD., HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: Chi-Yu Tsang
  • Publication number: 20200096124
    Abstract: A system for continuous supply of ink to a printer includes an ink tank, a supporting seat including several inkjet cartridges, and several check valves. The check valve includes a connecting tube having a first through port and a second through port, and a piston shaft movably installed in the connecting tube. The piston shaft moves to open or close the first through port. The first through port communicates with the ink tank by an ink tube and leakage of ink when the printer is lifted or when an inkhead is changed is prevented.
    Type: Application
    Filed: May 28, 2019
    Publication date: March 26, 2020
    Inventor: CHI-YU TSANG
  • Publication number: 20140015910
    Abstract: A printer includes a stationary platen with stationary ribs, a printing head, and a movable platen with ribs which are interposed with those of the stationary ribs. The stationary platen supports a printed paper. A printing head is arranged opposite to the stationary platen and prints on the printed paper being transported over or onto the stationary platen. During printing, the movable platen moves in the same direction as the printed paper being printed, to maintain the printed paper in a single orientation and at one standard distance in relation to the printing head, to ensure the same quality of printing on the last part of the printed paper as well as on the beginning part.
    Type: Application
    Filed: May 13, 2013
    Publication date: January 16, 2014
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: CHI-YU TSANG, CHING-WEI CHEN
  • Publication number: 20090168325
    Abstract: A disk fixing structure containing a disk having at least one hole in a bottom thereof is provided. The disk fixing structure includes a first fixing device and a second fixing device. The first fixing device has a surface disposing thereon the disk, at least one protrusion mounted on the surface for being lodged in the at least one hole, and a plurality of first engaging elements arranged on each of two opposite edges of the surface which correspond to two sides of the disk. The second fixing device has two lateral plates opposite to each other, and a plurality of second engaging elements disposed on each of the two lateral plates, and engaging with the plurality of first engaging elements.
    Type: Application
    Filed: May 30, 2008
    Publication date: July 2, 2009
    Inventors: Yao Tsung Yeh, Chi Yu Tsang
  • Publication number: 20070230303
    Abstract: A system of adjusting tilt angle of a disc driver includes a disc driver having a motor, a disc loading seat, a guide rod, a pick-up head moveably assembled with the guide rod, a guide rod mirror assembled with the guide rod, and an adjusting member for adjusting the guide rod. The system further includes a processor, a collimator electrically connected to the processor for sending a position signal to the processor after detecting the guide rod mirror, an information reader for obtaining a tilt angle of the pick-up head and then sending a target signal to the processor, and a screen electrically connected to the processor. The processor will export an adjusting image on the screen after obtaining and dealing with the position signal and the target signal.
    Type: Application
    Filed: April 4, 2006
    Publication date: October 4, 2007
    Inventors: Hong-Chi Chen, Chi-Yu Tsang