Patents Assigned to Takamisawa Electric Co., Ltd.
  • Patent number: 4472699
    Abstract: In an electromagnetic relay, an electromagnet is constructed from an approximately U-shaped magnetic pole piece, an approximately U-shaped magnetic yoke, and an armature. One side leg of the magnetic pole piece, one side leg of the magnetic yoke, and the armature are accomodated in the central hole of a bobbin so that the efficiency of the conversion of electrical power into a driving force is increased.
    Type: Grant
    Filed: July 8, 1982
    Date of Patent: September 18, 1984
    Assignee: Takamisawa Electric Co., Ltd.
    Inventors: Kunihisa Fujii, Noboru Tomono, Hajime Watanabe, Tetsuo Kito
  • Patent number: 4439750
    Abstract: An armature holding structure using a hinge wire spring in an electromagnetic relay, wherein one end of the hinge wire spring is held in a hole in the yoke of the electromagnet and the other end of the hinge wire spring is held in the hole in the armature so that the pivot support structure of the armature at the end of the yoke is maintained by the hinge wire spring.
    Type: Grant
    Filed: April 20, 1982
    Date of Patent: March 27, 1984
    Assignee: Takamisawa Electric Co., Ltd.
    Inventors: Kunihisa Fujii, Noboru Tomono, Yukio Shikano