Patents by Inventor David Ya Li

David Ya Li 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).

  • Method of manufacturing a core collimating assembly for DWDM devices
    Patent number: 6633701
    Abstract: A method of manufacturing a collimating assembly includes the following steps: preparing a GRIN lens subassembly; preparing a dual-fiber (DF) pigtail subassembly; fitting the GRIN lens subassembly and the DF pigtail subassembly together; applying epoxy onto a junction zone between the GRIN lens subassembly and the DF pigtail subassembly; and baking the junction zone for curing the epoxy thereof until the epoxy spreading uniformly over the junction zone due to the so-called capillarity phenomenon.
    Type: Grant
    Filed: January 16, 2001
    Date of Patent: October 14, 2003
    Assignee: Foxconn Optical Technology, Inc.
    Inventors: David Ya Li, Lawrence Zhang, Xiaoxing Zhang
  • Optical switch using rotatable reflector
    Patent number: 6526196
    Abstract: An optical switch includes a light transmitting/receiving sub-assembly and a reflecting device rotatable relative to and confronted with the light transmitting/receiving array sub-assembly. The reflecting device includes two reflecting strips perpendicular to each other. One of the reflecting strips is consisted of two symmetrically arranged 90-degree angled mirrors, and the other includes four symmetrically arranged 90-degree angled mirrors. The sub-assembly includes two linear arrays of collimators which are positioned on a circular disk and are perpendicular to each other corresponding to the two reflecting strips. The collimators of each collimator array are equally spaced from each other. By rotating the light transmitting/receiving sub-assembly with respect to the reflecting device, the light from the light transmitting/receiving sub-assembly is switched between the reflecting strips of the reflecting device.
    Type: Grant
    Filed: March 9, 2001
    Date of Patent: February 25, 2003
    Assignee: Oxconn Optical Technology Inc.
    Inventor: David Ya Li
  • Method of manufacturing a core collimating assembly for DWDM devices
    Publication number: 20020094162
    Abstract: A method of manufacturing a collimating assembly includes the following steps: preparing a GRIN lens subassembly; preparing a dual-fiber (DF) pigtail subassembly; fitting the GRIN lens subassembly and the DF pigtail subassembly together; applying epoxy onto a junction zone between the GRIN lens subassembly and the DF pigtail subassembly; and baking the junction zone for curing the epoxy thereof until the epoxy spreading uniformly over the junction zone due to the so-called capillarity phenomenon.
    Type: Application
    Filed: January 16, 2001
    Publication date: July 18, 2002
    Inventors: David Ya Li, Lawrence Zhang, Xiaoxing Zhang