Switchmode AC power controller
Patent 5500575 Issued on March 19, 1996. Estimated Expiration Date: 
October 27, 2013. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
October 27, 2013. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3335318 3430101 3573543 3763396 Stabilized DC power supply device Discharge lamp auxiliary circuit with dI/dt switching control Method and system of controlling high voltage direct current power transmission plants Apparatus for controlling ac motor Engine-driven model toy Line-gated switching power supply InventorAssigneeApplicationNo. 143338 filed on 10/27/1993US Classes:315/307, Automatic regulation315/308, Regulator responsive to plural conditions315/311, Variable impedance-type regulator315/314Pre-selectable switching systemsExaminersPrimary: Pascal, RobertAssistant: Philogene, Haissa Attorney, Agent or FirmInternational ClassG05F 001/00AbstractA switchmode AC power controller for controlling the current through a load such as a large lamp array connected to an alternating current source. The controller contains an AC solid state switch, a synchro-flywheel, an output inductor and capacitor. The load current is controlled by triggering signals generated by a synchronized modulator.Field of SearchAutomatic regulationRegulator responsive to plural conditions Variable impedance-type regulator Condenser or inductance in the primary circuit Plural periodic switches or multiple contact periodic switch With power factor control device Pre-selectable switching systems Inductance in the supply circuit Inductance in the control circuit Inductance in the supply circuit | |
