G05F 1/04






Subclass 1/04: Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems Regulating electric characteristics of arcs (arrangements for feeding or moving of electrodes for spot or seam welding or cutting B23K 9/12; arrangements for feeding electrodes for electric heating or electric lighting H05B 7/109, H05B 31/18; automatic control of power for heating by discharge H05B 7/148) by means of saturable magnetic devices

Recent Patents

Patent #TitleFiling DateIssue DatePatent Owner
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5804943 Resonant bilateral charging and discharging circuitMay 12, 95Sep 08, 98TEXAS INSTRUMENTS INCORPORATED
5754072 Programmable circuitry for the generation of precision low noise clock and bias signalsJun 07, 95May 19, 98RAYTHEON COMPANY

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