Title:
音発生装置及び翼騒音低減装置
Document Type and Number:
Japanese Patent JP7413327
Kind Code:
B2
Abstract:
According to an embodiment, a sound emitting apparatus includes a helical hollow tube and at least three sound wave sources. The helical hollow tube helically extends in a circumferential direction to form an annular shape as a whole. The first helical hollow tube includes a plurality of openings. The at least three sound wave sources are coupled to the first helical hollow tube and are configured to supply a sound wave to the first helical hollow tube.
Inventors:
Tatsuhiko Goto
Application Number:
JP2021145266A
Publication Date:
January 15, 2024
Filing Date:
September 07, 2021
Export Citation:
Assignee:
Toshiba Corporation
International Classes:
G10K11/178; G10K11/22
Domestic Patent References:
| JP2015179118A |
Foreign References:
| WO2017169886A1 |
Attorney, Agent or Firm:
Patent Attorney Corporation Suzue Patent General Office