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Automatic Ramper for Simultaneous Monitoring of Many Capacitors Disclosure Number: IPCOM000069190D
Original Publication Date: 1978-Apr-01
Included in the Prior Art Database: 2005-Feb-20

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Anolick, ES Camenga, R Carlo, A [+details]


In life testing a group of capacitors, logic circuits monitor the current flow across limiting resistors in series with the capacitors. The capacitors may have a fixed voltage applied or a ramp of increasing voltage. When a capacitor fails, a signal is sensed across the associated limiting resistor. This triggers the logic circuit to record the address of the failure, disconnect the failed capacitor, and record the voltage (or time) of failure.