Notification device and signal display light
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United States of America Patent
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Jan 30, 2018
Grant Date -
May 11, 2017
app pub date -
Feb 18, 2015
filing date -
Jul 1, 2014
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A main body case 9 includes an output opening 43 for outputting sound from a sound source to an opposing space between an upper main wall 33 and a lower main wall 34. The main body case 9 includes a front main wall 41 for preventing entering of a water droplet to the output opening 43 and for guiding the sound to a rear side B, and a rear main wall 35 for reflecting the sound to a front side F. A first space 51 between the front main wall 41 and the rear main wall 35, a second space 52 surrounded by a left surface 41C of the front main wall 41 and the rear main wall 35 and the upper main wall 33 and the lower main wall 34 and a third space 53 surrounded by a right surface 41D the front main wall 41 and the rear main wall 35 and the upper main wall 33 and the lower main wall 34 are communicating with one another along a crosswise direction Y at a rear end part of each of these spaces.
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