Patents by Inventor Chang Kun Lu

Chang Kun Lu 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: 7504595
    Abstract: A switching signal input device for use with an electronic apparatus is provided. The switching signal input device includes a switch part, an operating part and a resilience element, and is capable of performing four-directional switch control actions in response to the elastic forces generated from the resilience element on two planes perpendicular to each other.
    Type: Grant
    Filed: October 18, 2006
    Date of Patent: March 17, 2009
    Assignee: Transpacific Plasma, LLC
    Inventors: Chang Kun Lu, Wen Shin Wang
  • Patent number: 7173199
    Abstract: A switching signal input device for use with an electronic apparatus is provided. The switching signal input device includes a switch part, an operating part and a resilience element, and is capable of performing four-directional switch control actions in response to the elastic forces generated from the resilience element on two planes perpendicular to each other.
    Type: Grant
    Filed: March 10, 2005
    Date of Patent: February 6, 2007
    Inventors: Chang Kun Lu, Wen Shin Wang
  • Patent number: 6616470
    Abstract: A pivot mechanism is arranged between a first portion and a second portion of an appliance. The pivot mechanism includes a first ring member, a first humpback bridge, a positioning base and a shaft. The first ring member is disposed on the first portion and having a first engaging element on the peripheral surface thereof. The first humpback bridge is disposed on the second portion and has a second engaging element on the top surface thereof, wherein the first humpback bridge is resilient and flexible. The positioning base is coupled with the second portion and has a first positioning hole.
    Type: Grant
    Filed: February 12, 2002
    Date of Patent: September 9, 2003
    Assignee: Primax Electronics, Ltd.
    Inventors: Chang-Kun Lu, Chin-Yi Chou
  • Publication number: 20030053854
    Abstract: A pivot mechanism is arranged between a first portion and a second portion of an appliance. The pivot mechanism includes a first ring member, a first humpback bridge, a positioning base and a shaft. The first ring member is disposed on the first portion and having a first engaging element on the peripheral surface thereof. The first humpback bridge is disposed on the second portion and having a second engaging element on the top surface thereof, wherein the first humpback bridge is resilient and flexible. The positioning base is coupled with the second portion and having a first positioning hole.
    Type: Application
    Filed: February 12, 2002
    Publication date: March 20, 2003
    Inventors: Chang-Kun Lu, Chin-Yi Chou