Patents by Inventor Steve Smith

Steve Smith has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4602166
    Abstract: A non-linear network is disclosed for use in a power processor (converter) for limiting transformer primary winding current during (switching) transitions of a transformer driving potential, the network employing a resistor for coupling a suitably limited current from the potential to the winding and a saturable reactor connected in parallel with the resistor, the reactor for bypassing the resistor except during (and until a suitable period after) transitions of the potential level.
    Type: Grant
    Filed: May 19, 1983
    Date of Patent: July 22, 1986
    Inventor: Steve Smith
  • Patent number: 4591966
    Abstract: An improved rectifying network employing a semiconductor diode, a saturable reactor connected in series with the diode between a pair of terminals, and means for biasing the saturable reactor to saturate the saturable reactor core for forward diode current flow.
    Type: Grant
    Filed: May 19, 1983
    Date of Patent: May 27, 1986
    Inventor: Steve Smith
  • Patent number: 4578631
    Abstract: A high-speed feedback circuit for use with, particularly, a buck or buck derived regulator (power processor). The circuit employs a voltage developed by the regulator after the switch and before the filter. From the voltage a current is developed which is combined with (subtracted from) a reference current. The combined current is integrated in a capacitor to develop a voltage used to drive the switch.
    Type: Grant
    Filed: January 18, 1984
    Date of Patent: March 25, 1986
    Inventor: Steve Smith
  • Patent number: 4348598
    Abstract: A switching circuit for conducting a pulse of current between a first and a second terminal, the circuit including a transistor having a base connected to the first terminal, an emitter and a collector and a saturable-core transformer having an emitter winding coupling the emitter to the first terminal and a collector winding coupling the second terminal to the collector so as to provide regenerative current feedback rapidly driving the transistor into saturation after the transistor is suitably triggered, the circuit diverting the collector current from the emitter to the base circuit sweeping carriers out of the base and hastening the transistor turn-off after the transformer core saturates decoupling the emitter and collector windings.
    Type: Grant
    Filed: January 25, 1980
    Date of Patent: September 7, 1982
    Inventor: Steve Smith