Horn device having a power supply and an electrical control circuit
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United States of America Patent
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Apr 3, 2012
Grant Date -
Nov 3, 2011
app pub date -
Jul 8, 2011
filing date -
Oct 6, 2006
priority date (Note) -
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Abstract
An electro-mechanical horn is configured with a body, a sound-generating unit mounted in the body, and a plurality of power source receiving regions for storing at least one removably mounted power source in a storage manner while containing a second power source in an operative manner thereby limiting discontinuity of the operation of the sound-generating unit.
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