Abutment device for a key switch arrangement operable with both

Details Abutment device for a key switch arrangement operable with both Abutment device for a key switch arrangement operable with both

1993-11-16

1996-11-05

Wysocki, Jonathan

Music

Instruments

Electrical musical tone generation

84433, 84DIG7, G10H 134, G10H 300

Patent

active

055719830

ABSTRACT:
A keyboard device for an electronic musical instrument comprises a keyboard chassis, keys rotatively arranged on the keyboard chassis, and a key switch arranged beneath each of the keys for detecting a key status of each key. Each key has a switch-depressing projection arranged just above the key switch, and a hammer-depressing projection for depressing a hammer when the hammer is provided, with the switch-depressing projection and the hammer-depressing projection being formed adjacent to each other in one piece.

REFERENCES:
patent: 5062342 (1991-11-01), Nagatsuma
patent: 5243125 (1993-09-01), Yamaguchi
patent: 5249497 (1993-10-01), Niitsuma
patent: 5406875 (1995-04-01), Tamai et al.

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