Title:
音波反射装置及び音波出力方法
Document Type and Number:
Japanese Patent JP7468017
Kind Code:
B2
Abstract:
To downsize a parabolic reflector.SOLUTION: A sound wave reflecting device 10 includes a first reflecting plate 11 which reflects sound waves, and a second reflecting plate 12 having a parabolic reflecting surface 12a which has a larger reflecting surface area than that of the first reflecting plate 11. The reflecting plate 11 is arranged between the reflecting surface 12a of the second reflecting plate 12 and a focal position F of the reflecting surface 12a, and arranged to face each other so that the sound waves emitted toward the first reflecting plate 11 are reflected by the first reflecting plate 11, and then the reflected sound wave is re-reflected by the second reflecting plate 12.SELECTED DRAWING: Figure 4
Inventors:
Kyoya Ochiai
Shingo Matsushita
Akihiro Asai
Akihiro Takeshi
Shingo Matsushita
Akihiro Asai
Akihiro Takeshi
Application Number:
JP2020046927A
Publication Date:
April 16, 2024
Filing Date:
March 17, 2020
Export Citation:
Assignee:
株式会社リコー
International Classes:
G10K11/28; H04R1/34
Domestic Patent References:
| JP50043867A | ||||
| JP2193089A |
Attorney, Agent or Firm:
Tadashige Ito
Tadahiko Ito
Tadahiko Ito
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