OPTICALLY ACTIVE GLAZING WITH OVERVOLTAGE PROTECTION
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United States of America Patent
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Issued Date -
Oct 13, 2011
app pub date -
Nov 19, 2009
filing date -
Dec 20, 2008
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention relates to a construction with an optically active glazing, whose optical properties can be varied by supplying electrical power, an electrical power source, which can be electrically connected to the optically active glazing via an electric circuit that contains a first pair of lines connected to the power source, as well as a circuit arrangement arranged in the electric circuit, which circuit arrangement is configured such that below a predetermined threshold voltage, it electrically connects the power source and the glazing and upon reaching the threshold voltage, it electrically isolates the power source from the glazing.
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