Patents Assigned to Act System Co., Ltd.
  • Water bike equipped with speed meter
    Patent number: 6508116
    Abstract: A water bike equipped with a speed meter wherein a speed meter sensor 1 including a coil for generating a magnetic flux and electrodes disposed at positions vertical to both flowing direction of a fluid and direction of the magnetic flux, and for measuring the speed of the water bike on water by the value of electromotive force generated by an electromagnetic induction operation, is fitted to a submerged portion of the water bike 2.
    Type: Grant
    Filed: June 2, 2000
    Date of Patent: January 21, 2003
    Assignees: Act System Co., Ltd., Aichi Tokei Denki Co., Ltd.
    Inventors: Atsushi Adachi, Genuemon Fujita, Haruhito Matsushita, Hiroshi Kohiruimaki, Kazuyuki Suzuki, Yoshitaka Amata