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METHOD AND DEVICE FOR DETECTING DISCHARGE GAP VOLTAGE IN CARBON DIOXIDE GAS LASER OSCILLATOR
METHOD AND DEVICE FOR DETECTING DISCHARGE GAP VOLTAGE IN CARBON DIOXIDE GAS LASER OSCILLATOR
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机译:检测二氧化碳激光振荡器中放电间隙电压的方法和装置
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摘要
PROBLEM TO BE SOLVED: To detect a discharge gap voltage easily and accurately, without having to use probes for detection, and hence without affecting discharge plasma at all.;SOLUTION: A discharge gap voltage detector 1, in a carbon dioxide gas laser oscillator, comprises a voltage detector 2 for detecting the supply voltage of a discharge circuit; a current detector 3 for detecting the discharge current of the discharge circuit; a pulse generating circuit 4 for generating pulses, at an operating point where the current value detected by the current detector 3 becomes maximum; and a sample-and-hold circuit 5, for sampling the voltage value detected by the voltage detector 2 according to the pulse of the pulse generation circuit 4. The sample-and-hold circuit 5 detects the sampled voltage value as the maximum value of the discharge gap voltage.;COPYRIGHT: (C)2007,JPO&INPIT
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