SOUND GENERATING DEVICE
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Oct 12, 2017
app pub date -
Jun 23, 2017
filing date -
Dec 23, 2014
priority date (Note) -
Published
status (Latency Note)
Importance
Abstract
A sound generating device, comprising a shell structure having a gap between the inside and outside, wherein a first hole (22a) and a second hole (23a) opposite to each other are provided on inner shell (2a); a sound source (3) is fixed inside the first hole (22a), and a front side (31) thereof faces towards an outer shell (1a), and a back side (32) thereof faces towards the second hole (23a); a third hole (12a) opposite the first hole (22a) is provided on the outer shell (1a), and spaced apart from the sound source (3) by a distance; a backward sound wave of the sound source (3) passes through the second hole (23a) and enters into the gap, and exits from the third hole (12a) together with a forward sound wave of the sound source (3).
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully