Power control circuits

• US 3,275,855 A
• Filed: 09/09/1963
• Issued: 09/27/1966
• Est. Priority Date: 10/10/1962
• Status: Expired due to Term

• Current Assignee: James Wright Maurice
• Original Assignee: James Wright Maurice
• Inventors: JAMES WRIGHT MAURICE
• Application Number:
  US04/307,649
• Time in Patent Office: 1,114 Days
• US Class Current: 307/139
• CPC Class Codes: H03K 17/72 having more than two PN junctions; having more than three electrodes; having more than one electrode connected to the same conductivity region
• CPC Class Codes: H03K 17/73 for dc voltages or currents H03K17/722, H03K17/735 take precedence
• CPC Class Codes: Y10S 315/04 Dimming circuit for fluorescent lamps

Claims

1. A POWER CONTROL CIRCUIT COMPRISING IN COMBINATION A PAIR OF TERMINALS FOR CONNECTION TO A D.C. SOURCE, A SWITCHABLE RECTIFIER HAVING ITS ANODE AND CATHODE CONNECTED TO THE PAIR OF TERMINALS RESPECTIVELY, A LOAD IN THE CATHODE CIRCUIT OF THE SWITCHABLE RECTIFIER, A CAPACITOR DISCHARGING OF WHICH EFFECTS SWITCHING ON AND OFF OF THE SWITCHABLE RECTIFIER, SWITCH MEANS FOR CONTROLLING CHARGING OF SAID CAPACITOR, SAID SWITCH MEANS BEING CONNECTIBLE ALTERNATIVELY TO SAID PAIR OF TERMINALS AND BEING CONNECTED TO THE CATHODE OF SAID SWITCHABLE RECTIFIER THROUGH SAID CAPACITOR, AND A TRIGGER DEVICE THROUGH WHICH SAID SWITCH MEANS IS CONNECTED TO THE GATE OF SAID SWITCHABLE RECTIFIER.