Line cord with a ride-through functionality for momentary disturbances
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United States of America Patent
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Mar 29, 2016
Grant Date -
Jul 5, 2012
app pub date -
Dec 30, 2011
filing date -
Dec 30, 2010
priority date (Note) -
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Abstract
Novel circuits for providing ride-through during unpredictable power line disturbances are disclosed in connection with low-power electronic devices. Such low-power electronics devices are typically subjected to undesirable lock-ups and reboots under momentary power line disturbances such as voltage sags, voltage swells, and other momentary line power disturbances. Diagnostics and visual indication are also integrated in the circuits to allow consumers to correlate equipment lock-up and malfunction with power disturbances, and to provide service providers with various analytics and historical data on the recorded disturbances. To reduce cost, the disclosed circuits utilize a simple DC capacitor without any additional power conditioning switches or converters. In one exemplary embodiment, the disclosed circuits are embedded inside a power line cord to provide a ride-through during the brief interval of time such power line disturbances occur.
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