To make it possible to provide an acoustic device in a headrest device such that a standard of a shock is satisfied and the performance of the acoustic device can be efficiently exhibited. In the headrest device, a shock resistant surface is formed in a core material of a headrest main body, an opening is formed in the shock resistant surface, and a non-contact type acoustic microphone is disposed on the inner side of the opening.
HEADREST DEVICE AND SOUND COLLECTING DEVICE
KOPFSTÜTZENVORRICHTUNG UND TONAUFNAHMEVORRICHTUNG
DISPOSITIF D'APPUIE-TÊTE ET DISPOSITIF DE COLLECTE DE SON
2021-03-17
Patent
Electronic Resource
English