Patents Assigned to TDK Electric Co., Ltd.
  • Temperature responsive reed switch
    Patent number: 4023128
    Abstract: A temperature responsive reed switch having magnetic reed pieces, a permanent magnet disposed near a contact of the reed switch and being magnetized in an axial direction of the reed switch, two temperature responsive magnetic materials disposed adjacent the ends of the permanent magnet in the axial direction of the reed switch and a magnetic yoke disposed adjacent the outer surfaces of the temperature responsive magnetic material.
    Type: Grant
    Filed: February 20, 1976
    Date of Patent: May 10, 1977
    Assignee: TDK Electric Co., Ltd.
    Inventors: Tomio Itou, Michio Ishikawa, Tokio Furuse