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US 10,097,923 B2Granted
Ear model, artificial head, and measurement device using same, and measurement method
AssigneeKYOCERA Corporation
InventorTomoyoshi Ikeda
Life of this patent
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Abstract
Provided is a measurement device that evaluates an acoustic device 100 including a vibrating element and configured to allow sound to be heard by vibration transmission. The measurement device includes: an ear model unit 50 including an ear model 51 that is molded after a human ear and an artificial cartilage unit 54 that is joined to the ear model 51; and a vibration detector 56 disposed in the ear model unit 50.
Claims6
A measurement method of measuring an acoustic device configured to allow sound to be heard by vibration transmission to a human body, the measurement method comprising the steps of:
- bringing the acoustic device into abutment with an ear model unit including an ear model that is molded after a human ear and an artificial external ear canal unit that is continuous with the ear model;
- and
- generating test sound from the acoustic device;
- detecting, by a microphone disposed in the ear model unit at a terminal end of the artificial external ear canal unit opposite to the ear model, air conduction radiation components generated by vibration of an inner wall of the artificial external ear canal unit;
- and
- detecting vibration propagated to the artificial external ear canal unit via the ear model, by a vibration detector disposed in the ear model unit at a position in an opposite side to the ear model and apart from the artificial external ear canal.
3 more elements
Dependencies are inferred from the claim text.