Patents Assigned to Silent Running Corporation
  • Infrared transmitter and control circuit
    Patent number: 4371814
    Abstract: An infrared transmitter and control circuit for a load such as a ceiling fan which is capable of starting and regulating the speed of the ceiling fan as well as reversing the direction of the ceiling fan, controlling a light. The apparatus allows the selective control of a single one of a plurality of ceiling fans such that operation of the control does not cause all of the ceiling fans to change speed. The apparatus eliminates the need for running wiring between the ceiling fan and a switch and saves substantial installation costs.
    Type: Grant
    Filed: September 9, 1981
    Date of Patent: February 1, 1983
    Assignee: Silent Running Corporation
    Inventor: James R. Hannas
  • Multiple position power switch
    Patent number: 4352993
    Abstract: A multiple position power control switch is connected in series with a load across a power source. A five position rotary switch permits the load to be selectively operated at four different power levels. The fifth position of the switch provides "OFF" operation. With the invention, component cost is reduced and power level control of a load is achieved with minimum power dissipation.
    Type: Grant
    Filed: September 9, 1981
    Date of Patent: October 5, 1982
    Assignee: Silent Running Corporation
    Inventor: James R. Hannas