Patents by Inventor Jeongho BAlK

Jeongho BAlK 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).

  • CONTROL SWITCH MECHANISM, TRIGGER SWITCH, AND ELECTRIC TOOL
    Publication number: 20190028100
    Abstract: Provided are a control switch mechanism, a trigger switch, and an electric tool, having vibration resistance and durability and capable of preventing malfunction. The control switch mechanism (20) includes an optical sensor (21) having a light emitting element (21a) and a light receiving element (21b), and a reflector (22) that increases or decreases an amount of light received by the light receiving element (21b). An increase and a decrease in output of an operation device are controlled along with an increase and decrease in amount of light received by the light receiving element (21b) due to relative movement between the optical sensor (21) and the reflector (22).
    Type: Application
    Filed: November 21, 2016
    Publication date: January 24, 2019
    Applicant: OMRON CORPORATION
    Inventors: Minoru KOBAYASHI, Yusaku YAMASAKI, Koji OMORI, Jeongho BAlK