Method and circuit for testing an audio high-frequency loudspeaker being part of a loudspeaker system
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United States of America Patent
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Jul 19, 2016
Grant Date -
Jan 23, 2014
app pub date -
Sep 25, 2013
filing date -
Oct 12, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention relates to a method and a circuit for testing a tweeter. The tweeter is part of a loudspeaker system. The method includes the steps of: applying a high-frequency voltage signal to one terminal of the tweeter, whereby the high-frequency voltage signal is generated by first electronic means. The method also includes applying a constant voltage signal to the other terminal of the tweeter, whereby the constant voltage signal is generated by second electronic means. The method includes measuring a current (Iload) that flows through the tweeter into the second electronic means and determining a connect/disconnect state of the tweeter from the value of the current.
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