Electrolysis: processes – compositions used therein – and methods – Electrolytic material treatment – Metal or metal alloy
Reexamination Certificate
2005-01-11
2005-01-11
Bell, Bruce F. (Department: 1746)
Electrolysis: processes, compositions used therein, and methods
Electrolytic material treatment
Metal or metal alloy
C205S725000, C205S740000, C204S196020, C204S196060, C204S196110, C204S196260, C204S196370
Reexamination Certificate
active
06841059
ABSTRACT:
A monitor for use in conjunction with a galvanic protection system for a marine vessel provides automatic and continuous monitoring of a voltage at a reference electrode of the galvanic protection system and displays the results continuously by energizing one or more of a plurality of annunciators, such as light emitting diodes. The light emitting diodes are energized in groups of one or two in order to double the effective resolution of a group of ten annunciators. The selected annunciators are energized intermittently in order to conserve electrical power while continuously and automatically running. The frequency of activation of the selected annunciators is changed whenever the voltage potential being monitored falls within a minimum range or a maximum range in order to alert the operator of a potentially catastrophe result. A lower frequency is used when the monitor voltage is not within these minimum and maximum ranges.
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Seaguard Ltd, Internet Data.
LM3914 Dot/Bar Display Driver, National Semiconductor, pp. 4-25 to 4-29.
Bell Bruce F.
Brunswick Corporation
Lanyi William D.
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