Patents Assigned to Ihitachi Taga Technology, Ltd.
  • Patent number: 5195511
    Abstract: The present invention relates to a bubble massager used in a bathtub in which a rechargeable storage battery is used as a power supply, One display unit for displaying both a charging state and an operating state is provided. It is possible to discharge and select three types of bubble jets, weak, strong and intermittent, and to display an operating mode. Futhermore, it is possible to display a trouble location of the bubble massager by high-speed flickering of the one display unit. Moreover, the bubble massager constructed so that the jet is controlled so as to be discharged in the order of weak.fwdarw.strong.fwdarw.intermittent and the intermittent jet is made to repeat strong .rarw..fwdarw. feeble jet for providing an uninterrupted jet in order to relieve a shock due to a sensible sudden change caused by change over of the bubble jet.
    Type: Grant
    Filed: January 11, 1991
    Date of Patent: March 23, 1993
    Assignees: Hitachi, Ltd., Ihitachi Taga Technology, Ltd.
    Inventors: Toshiharu Kodato, Kozo Tamura, Tomotaka Honda, Toshihiro Takahashi, Masaki Kaji, Shoichi Ito