H - Electricity – 04 – R
Patent
H - Electricity
04
R
H04R 1/00 (2006.01) G01M 3/26 (2006.01)
Patent
CA 2695498
It is an object to provide an electro-acoustic converter which can be subjected to air leakage test allowing a gas to pass through a waterproof film in such a condition that the waterproof film is attached to the electro-acoustic converter. An electro-acoustic converter is produced, which includes: a casing having a sound hole; and a diaphragm provided in the casing, wherein the sound hole is covered with the waterproof film to form a closed space, and the closed space is in communication with the outside of the casing through a vent for air leakage test.
Le convertisseur électro-acoustique fourni peut réaliser un test de ventilation en faisant passer un gaz à travers un film imperméable tandis que le film imperméable est fixé au convertisseur électro-acoustique. Dans le convertisseur électro-acoustique qui possède un boîtier doté d'un trou de son et d'un diaphragme disposé dans le boîtier, le trou de son est recouvert du film imperméable pour composer un espace fermé, qui communique avec l'extérieur par le biais d'un trou de test de ventilation.
Gowling Lafleur Henderson Llp
Japan Gore-Tex Inc.
LandOfFree
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