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:
Jan. 14, 2025
Filed:
Jul. 18, 2022
Panasonic Intellectual Property Corporation of America, Torrance, CA (US);
Yuki Terashima, Osaka, JP;
Toshiyuki Matsumura, Osaka, JP;
PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA, Torrance, CA (US);
Abstract
A sound pickup device includes a diaphragm that vibrates according to an acoustic pressure of input sound, an acoustic member having a sound channel formed to guide sound to the diaphragm, and a Helmholtz resonator having an opening formed in a wall surface surrounding the sound channel, in which the diaphragm is disposed inside a microphone in which a sound hole is formed, the acoustic member includes: a first substrate that has a through hole formed at the same position as the sound hole, and is attached to the microphone; and a second substrate that has the sound channel formed at a position corresponding to the through hole, and is attached to the first substrate.