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公开(公告)号：EP4233041A1
公开(公告)日：2023-08-30
申请号：EP21777250.8
申请日：2021-09-09
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公开(公告)号：EP1616147B1
公开(公告)日：2018-07-11
申请号：EP04728180.3
申请日：2004-04-19
CPC分类号： G10H1/34 , G10C3/00 , G10C3/06 , G10H2210/271
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3.发明公开
公开(公告)号：EP1616147A1
公开(公告)日：2006-01-18
申请号：EP04728180.3
申请日：2004-04-19
CPC分类号： G10H1/34 , G10C3/00 , G10C3/06 , G10H2210/271
摘要： Disclosed is a pianoforte instrument comprising a musical mechanism (11) with keys. Also provided are strings which are struck via a mechanism when the keys are actuated and are made to vibrate. The vibrations of the strings are transmitted to a sound board (20). A device (25, 26) is provided for delivering additional oscillation energy into the sound board (20). Also provided are sensors (15) which directly or indirectly detect actuation of the keys of the musical mechanism (11). The measured values of the sensors (15) are fed to a sound-amplifying device (30). The sound-amplifying device (30) is equipped with units (31, 33, 34, 35) which compile data corresponding to a desired characteristic sound in accordance with the measured values of the sensors (15). The sound-amplifying device (30) supplies the sound board (20) with additional oscillation energy via the delivering device (25, 26) according to the determined data.
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公开(公告)号：EP0434754A1
公开(公告)日：1991-07-03
申请号：EP89911050.0
申请日：1989-09-13
IPC分类号： G10H3
CPC分类号： G10H3/26 , G10H3/185 , G10H2220/501
摘要： Un dispositif de rayonnement du son comprend un corps sonore plat électrodynamiquement excité. Le corps sonore plat est plane ou faiblement courbé à la manière d'une caisse de résonance (11) à une ou plusieurs couches d'un instrument de musique. On utilise de préférence la caisse de résonance (11) d'un piano accordé. La caisse de résonance (11) constitue la membrane d'au moins un haut-parleur électromagnétique. On peut obtenir ainsi une sonorité de haute qualité lors de la reproduction de morceaux enregistrés de musique pour piano.
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