Title:
発音器およびその製造方法
Document Type and Number:
Japanese Patent JP7092153
Kind Code:
B2
Abstract:
A sound generator includes a sound generating body, a base, a protection wall, and an erected wall. The sound generating body includes a diaphragm and a driving portion. The base includes a base tubular portion and a partition wall defining a sound hole. The diaphragm and the partition wall divide an inner space of the base tubular portion into a first space and a second space. The protection wall is disposed away from the partition wall and the erected wall connects between the protection wall and the base tubular portion. The protection wall, the erected wall, and the partition wall defines a sound emission space in communication with the first space through the sound hole. The protection wall and the erected wall define an emission hole through which the sound exits.
Inventors:
Shin Miyata
Application Number:
JP2020003162A
Publication Date:
June 28, 2022
Filing Date:
January 10, 2020
Export Citation:
Assignee:
Denso Electronics Co., Ltd.
International Classes:
H04R1/02; B60Q5/00; H04R1/06; H04R1/34; H04R7/14; H04R31/00
Domestic Patent References:
| JP2015053540A | ||||
| JP2003092793A |
Attorney, Agent or Firm:
Patent Attorney Corporation Yuai Patent Office