Electricity: measuring and testing – Electrostatic field
Patent
1991-11-13
1993-06-08
Strecker, Gerard R.
Electricity: measuring and testing
Electrostatic field
239690, 361227, G01R 2912, B05B 5025
Patent
active
052183050
ABSTRACT:
An electrostatic spray gun having a self-contained power supply including a high voltage electrostatic voltage and current source, with circuits for monitoring the voltage and current and developing a frequency signal based on the monitored voltage and current, circuits for modulating the frequency signal with a radio frequency carrier and transmitting the modulated-carrier signal to a remote radio receiver, where the signals are demodulated and converted to a digital display representation of the monitored voltage and/or current.
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patent: 4986471 (1991-01-01), Hethcoat
patent: 5063350 (1991-11-01), Hemming et al.
Do Diep
Graco Inc.
Strecker Gerard R.
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