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    • 7. 发明授权
    • Headrest for dental treatment chair and dental treatment chair
    • 牙科治疗椅和牙科治疗椅头枕
    • US08480176B2
    • 2013-07-09
    • US13061829
    • 2009-06-24
    • Tomomi Yamada
    • Tomomi Yamada
    • A47C1/10
    • A61G15/125A61G15/10H04R5/023
    • The invention provides a headrest for a dental treatment chair and a dental treatment chair wherein discomfort due to noise generated from dental treatment instruments can be reduced and communication between a dentist and a patient can be ensured.The headrest for the dental treatment chair and the dental treatment chair comprise a back head supporting member 91 for supporting a back of the head of the patient during dental treatment and ear supporting members 92 and 92 which can be bent in directions to cover ears of the patient at both ends of the back head supporting member 91. The ear supporting members 92 and 92 or the back head supporting member 91 has sound output sections 93 and 93 each for outputting a sound from a sound source, and the ear supporting members 92 and 92 have a sound collecting section 94 for collecting sounds in a surrounding environment. Acoustic filters 95 and 95 cut off frequencies higher than 8 kHz from a sound signal collected by the sound collecting section 94.
    • 本发明提供了一种用于牙科治疗椅和牙科治疗椅的头枕,其中可以减少由牙科治疗器械产生的噪音引起的不适,并且可以确保牙医和患者之间的连通。 用于牙科治疗椅和牙科治疗椅的头枕包括用于在牙科治疗期间支撑患者头部的后部的后头支撑构件91和耳朵支撑构件92和92,耳部支撑构件92和92可沿着覆盖耳朵的耳朵的方向弯曲 耳托支撑构件92和92或后头支撑构件91具有用于输出来自声源的声音的声音输出部93和93,以及耳部支撑构件92和 92具有用于在周围环境中收集声音的声音收集部分94。 声滤波器95和95从声音收集部分94收集的声音信号中切除高于8kHz的频率。