Patents by Inventor Wei-Fei CHANG

Wei-Fei CHANG 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: 11077685
    Abstract: A printing device (100, 200) may include a carriage (101, 201) to hold an integrated printhead (103, 203) in the printing device; a manifold latch (105, 205) to connect the integrated printhead and an ink tank connector in a locked position; and a controller (109, 209) to align the carriage within the printing device based on a level of health of the integrated printhead and a latching position of the manifold latch. Furthermore, a non-transitory computer readable medium and a printing method are disclosed.
    Type: Grant
    Filed: July 29, 2016
    Date of Patent: August 3, 2021
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Xin-Ling Wu, Ying Fang, Wei-Fei Chang, Qiang Tang
  • Publication number: 20210187983
    Abstract: A printing device (100, 200) may include a carriage (101, 201) to hold an integrated printhead (103, 203) in the printing device; a manifold latch (105, 205) to connect the integrated printhead and an ink tank connector in a locked position; and a controller (109, 209) to align the carriage within the printing device based on a level of health of the integrated printhead and a latching position of the manifold latch. Furthermore, a non-transitory computer readable medium and a printing method are disclosed.
    Type: Application
    Filed: July 29, 2016
    Publication date: June 24, 2021
    Applicant: Hewlett-Packard Development Company, L.P.
    Inventors: Xin-Ling WU, Ying FANG, Wei-Fei CHANG, Qiang TANG