Patents Assigned to Andrew Electronics of Northern Calif., Inc.
  • Body massage apparatus
    Patent number: RE31603
    Abstract: A vibrator motor is coupled to the frame of a body support structure to vibrate the latter. The motor is energized by a train of triangular pulses modulated by a triangular pulse signal having a lower frequency than that of the triangular pulse train.
    Type: Grant
    Filed: November 8, 1982
    Date of Patent: June 19, 1984
    Assignee: Andrew Electronics of Northern Calif., Inc.
    Inventor: Earl A. Christensen