Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Transient or portion of cyclic
Patent
1986-01-23
1988-03-01
Eisenzopf, Reinhard J.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
Transient or portion of cyclic
324112, 324113, 364481, G01R 1306
Patent
active
047288850
ABSTRACT:
A monitoring system and apparatus is employed to duplicate unique environmental conditions at a first location so that sensitive electronic devices can be tested at a second location. Initially an environment recorder is plugged into the AC line at the first location. Line voltage characteristics including transients are then captured on tape. The environment recorder has the ability to record and respond only to unusual environmental conditions. The tape of the environment recorder is subsequently removed to a second location, typically the manufacturer's laboratory, where it is played back through the same or another environmental recorder into a reproduction line driver. Output voltages produced by the reproduction line driver exactly mimic the environmental conditions at the first location. The duplicated output is fed into the sensitive electronic device which might be a computer or other sensitive instrument to see how it responds to the simulated electronic conditions from the first location. In this manner a manufacturer can safely test and analyze sensitive electronic equipment in the laboratory rather than at a remote customer location. The invention permits the user to selectively record and save electrical events that occur at random thereby conserving recording tape and valuable laboratory testing time.
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Baker Stephen M.
Eisenzopf Reinhard J.
Woodbridge Richard C.
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