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US 5,031,500 AGranted
Keyboard instrument
AssigneeYamaha Corporation
InventorsTatsuhiro Koike, Yoichi Misawa, Toshiyuki Suzuki
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AssigneeYamaha Corporation
InventorsTatsuhiro Koike, Yoichi Misawa, Toshiyuki Suzuki
Estimating the term…
Keyboard instruments incorporating sound systems for generating musical tones are disclosed. In a first keyboard instrument, speakers are mounted near a keyboard, and are arranged upright to be directed to the keyboard on the front side, thereby allowing a performer to clearly grasp the sound quality of performance tones. In a second keyboard instrument, which comprises a Helmholtz resonator consisting of a resonance port and a cabinet, an electro-acoustic transducer mounted on the outer surface of the cabinet and a driver for driving the transducer so as to cancel an air counteraction from the resonator, the size of a sound system is reduced, and the frequency characteristics, especially the low-frequency reproduction characteristics of the sound system are improved.
A keyboard instrument comprising a keyboard, a sound source for generating a musical tone signal on the basis of a key operation of said keyboard, and a sound system for converting the musical tone signal into a sound and radiating the sound, wherein
A keyboard instrument comprising a keyboard, a sound source for generating a musical tone signal on the basis of a key operation of said keyboard, and a sound system for converting the musical tone signal into a sound and radiating the sound, wherein
A keyboard instrument comprising a keyboard, a sound source for generating a musical tone signal on the basis of a key operation of said keyboard, and at least two sets of sound systems for converting the musical tone signal into a sound and radiating the sound, wherein
Dependencies are inferred from the claim text.