Horn device having a plural power supply
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United States of America Patent
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Aug 23, 2011
Grant Date -
Apr 10, 2008
app pub date -
Feb 26, 2007
filing date -
Oct 6, 2006
priority date (Note) -
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Abstract
An electromechanical 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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