VEHICLE APPROACH WARNING APPARATUS
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United States of America Patent
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Issued Date -
Aug 2, 2012
app pub date -
Jan 20, 2012
filing date -
Jan 27, 2011
priority date (Note) -
Abandoned
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Abstract
A vehicle warning apparatus has a vehicular horn disposed in an overlapping arrangement with a supersonic speaker, such that the vehicular horn is positioned between the supersonic speaker and a heat exchanger. The vehicular horn blocks the supersonic speaker from heat produced by the heat exchanger, which prevents the temperature of the supersonic speaker from increasing. Accordingly, troubles such as frequency change of supersonic wave output from the speaker and/or decrease of speaker's product life, without deteriorating heat dissipation capacity of the heat exchanger, are prevented. Furthermore, collective arrangement of the supersonic speakers on a single board attached on the vehicular horn improves the install-ability of the vehicle warning apparatus in the vehicle, and improves the directional reach of the supersonic wave.
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