The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 22, 2024
Filed:
Apr. 24, 2020
Nitto Denko Corporation, Osaka, JP;
Yu Kamamoto, Osaka, JP;
Takeo Inoue, Osaka, JP;
Tamao Fukushima, Osaka, JP;
Hisae Kitagawa, Osaka, JP;
NITTO DENKO CORPORATION, Osaka, JP;
Abstract
The conversion element member of the present disclosure includes: a conversion element having an opening capable of functioning as a ventilation port and/or a sound-transmitting port; and a waterproof membrane. The conversion element has an outer surface provided with the opening. The waterproof membrane is joined, at a joining portion thereof, to the outer surface of the element so as to cover the opening, the joining portion having a shape surrounding the opening when viewed in a direction perpendicular to the outer surface. The waterproof membrane has a non-joining portion defined as a portion surrounded by the joining portion when viewed in the direction, the non-joining portion having a region overlapping the outer surface when viewed in the direction. A spacing distance Dbetween the membrane and the outer surface in the region is 0.01 mm to X mm, where X represents, in an indentation test on the waterproof membrane.