Electrolytic metal recovery system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
May 10, 1994
Issued Date -
N/A
app pub date -
Feb 4, 1993
filing date -
Feb 19, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The system is operable in either a standby mode, having associated with it a predetermined standby current level, or a plating mode, having associated with it a predetermined plating current level. The system also has associated with it a cut-off current level at which the system is transferred from the plating mode to the standby mode, and a come-on current level at which the system is transferred from the standby mode to the plating mode. A variable voltage generator impresses a voltage across the electrolytic solution, and this voltage is monitored by a microcontroller. The voltage for each mode is the voltage which will produce the predetermined current for that mode. When the microcontroller determines that the voltage has remained stable, that is, with a deviation less than .+-.5% for a predetermined period of one minute, then the microcontroller will provide a signal to the voltage generator to initiate a change of mode.
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