Electricity: power supply or regulation systems – Output level responsive – Phase controlled switching using electronic tube or a three...
Patent
1985-02-21
1986-04-22
Beha, Jr., William H.
Electricity: power supply or regulation systems
Output level responsive
Phase controlled switching using electronic tube or a three...
323300, 323323, 323904, 323905, 307116, 315362, H05B 3702
Patent
active
045845190
ABSTRACT:
This patent presents a touch-responsive switch which incrementally varies AC voltage supplied to an electrical apparatus. The invention includes digital circuitry which compares a control pulse train with a touch affected pulse train to create a switching pulse. The switching pulse is synchronous with the line frequency and controls truncating of individual cycles of line power to regulate voltage applied to an appliance as a function of the number of times a touch plate has been touched. The switching pulse also provides on/off switching as one of the available incremental steps. The circuit components are incorporated in an interface assembly which connects the appliance receptacle to a source of AC voltage.
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Beha Jr. William H.
Neris Coal Export Co., Inc.
Starrett Jeffrey
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