Remote monitoring of glow tube light output including a logic unit maintaining an indication of a monitored glow tube discharge while no discharge is detected
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United States of America Patent
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Sep 9, 2014
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app pub date -
Apr 25, 2011
filing date -
Apr 25, 2011
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Abstract
A glow tube output detection device that monitors for light emissions from a legacy glow tube so that the status of the glow tube may be fed to other systems such as supervisory control and data acquisition (SCADA) systems for electric power distribution networks. The monitored legacy glow tubes are connected to the various phases of electrical buses to indicate the presence of high voltage including back feeds.
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