Title:
EAR PLUG, SOUND COLLECTION DEVICE, AND SOUND AMOUNT MEASUREMENT SYSTEM
Document Type and Number:
Japanese Patent JP2020163098
Kind Code:
A
Abstract:
To provide an ear plug, sound collection device, and sound amount measurement system, capable of measuring a noise situation in an external auditory canal while protecting an ear from noise in order to prevent noise deafness.SOLUTION: An ear plug includes: a tubular member that extends in one direction and is capable of being curved with respect to the one direction; a first acoustic sensor for collecting sound through the tubular member; and an ear plug-type sound insulation member into which the tubular member is inserted. Preferably, the tubular member can be curved along a shape of an external auditory canal. Preferably, the ear plug includes a frame having a first opening communicating with the tubular member and the first acoustic sensor is provided in the frame to collect sound through the tubular member and the first opening.SELECTED DRAWING: Figure 2
Inventors:
HATANAKA TAKEZO
Application Number:
JP2019141546A
Publication Date:
October 08, 2020
Filing Date:
July 31, 2019
Export Citation:
Assignee:
NITTO DENKO CORP
International Classes:
A61F11/08; H04R1/00
Domestic Patent References:
| JP2013534779A | 2013-09-05 | |||
| JP2015126267A | 2015-07-06 |
Foreign References:
| US20080118077A1 | 2008-05-22 |
Attorney, Agent or Firm:
Tadashige Ito
Tadahiko Ito
Tadahiko Ito