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.

Date of Patent:
Mar. 10, 2026

Filed:

Jan. 18, 2024
Applicant:

Murata Manufacturing Co., Ltd., Nagaokakyo, JP;

Inventors:

Ryota Kawai, Nagaokakyo, JP;

Yoshiyuki Higuchi, Nagaokakyo, JP;

Masakazu Fukumitsu, Nagaokakyo, JP;

Fumiya Endou, Nagaokakyo, JP;

Takehiko Kishi, Nagaokakyo, JP;

Ville Kaajakari, Helsinki, FI;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03H 9/17 (2006.01); H03H 9/02 (2006.01); H03H 9/05 (2006.01); H03H 9/24 (2006.01);
U.S. Cl.
CPC ...
H03H 9/173 (2013.01); H03H 9/02448 (2013.01); H03H 9/0595 (2013.01); H03H 9/2468 (2013.01);
Abstract

A resonance device is provided that includes a resonator including a base, a plurality of vibration arms having arms on a fixed end side connected to the base and weight portions on an open end side. A frame is around a periphery of the vibration arms and holds the base. The vibration arms extending parallel to each other and vibrating in an out-of-plane bending vibration mode as a main vibration. A lower cover and an upper form a vibration space for the resonator. A protrusion protrudes into the vibration space from an inner surface of the lower or upper cover. The frame has projections formed in positions facing the weight portions in a plan view.


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