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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Underwood; Roy F.
Address:
Clifton, GB2
No. of patents:
1
Patents:












Patent Number Title Of Patent Date Issued
4888565 Apparatus for generating ultrasonic signals December 19, 1989
An ultrasonic generator, particularly for use in ultrasonic cleaning systems, provides a constant ultrasonic power output for a cleaning tank or chamber. A generator output stage fed from an unsmoothed mains power supply receives signals from an oscillator via a pulse-width modulation










 
 
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