Patents Assigned to Kabushiki Kaisha Kinekisha-Kenkyujo
  • Tuning fork-type piezoelectric vibrator
    Patent number: 4173726
    Abstract: A tuning fork-type piezoelectric vibrator having electrodes for the excitation formed on the legs of the vibrator body which electrodes extend for at most subsequently half the length of said leg reveals a powerful suppression of the vibration modes of higher orders and substantially no increase in the series resonant impedance in the vibration modes of fundamental frequency.
    Type: Grant
    Filed: July 8, 1976
    Date of Patent: November 6, 1979
    Assignee: Kabushiki Kaisha Kinekisha-Kenkyujo
    Inventor: Motoyasu Hanji