Patents by Inventor Bu-Yu ZHENG

Bu-Yu ZHENG 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: 9405059
    Abstract: A fabricating apparatus for a light tunnel is provided, which comprises a core rod, a fixing block and a moving block. The light tunnel comprises a plurality of reflecting sheets, and each reflecting sheet leans on both a plurality of first bumps of the fixing block and a plurality of second bumps of the moving block to define a first inner profile and a second inner profile of the light tunnel, respectively. Thereby, the fabricating apparatus defines the inner scope of the light tunnel, and the inner scope of the light tunnel can be easily and stably controlled. Furthermore, a fabricating method for fabricating the light tunnel is also provided.
    Type: Grant
    Filed: December 21, 2011
    Date of Patent: August 2, 2016
    Assignee: PREOPTIX (JIANGSU) CO. LTD.
    Inventors: Tu-Fa Lai, Zhon-Gren Zhu, Bu-Yu Zheng
  • Publication number: 20120210555
    Abstract: A fabricating apparatus for a light tunnel is provided, which comprises a core rod, a fixing block and a moving block. The light tunnel comprises a plurality of reflecting sheets, and each reflecting sheet leans on both a plurality of first bumps of the fixing block and a plurality of second bumps of the moving block to define a first inner profile and a second inner profile of the light tunnel, respectively. Thereby, the fabricating apparatus defines the inner scope of the light tunnel, and the inner scope of the light tunnel can be easily and stably controlled. Furthermore, a fabricating method for fabricating the light tunnel is also provided.
    Type: Application
    Filed: December 21, 2011
    Publication date: August 23, 2012
    Applicants: DELTA ELECTRONICS, INC., PREOPTIX (JIANGSU) CO. LTD.
    Inventors: Tu-Fa LAI, Zhon-Gren ZHU, Bu-Yu ZHENG