Patents Assigned to Plantron AB
  • Control arrangement for a seat heater
    Patent number: 5288974
    Abstract: A heating arrangement for heating a seat has a temperature responsive element and a control circuit for controlling the supply of electrical current to the heating element which is embedded in the seat. The control circuits formed of components mounted on a flexible printed circuit board.
    Type: Grant
    Filed: January 9, 1991
    Date of Patent: February 22, 1994
    Assignee: Plantron AB
    Inventor: Dirk Hanzic