Electronic keyboard instrument

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United States of America Patent

PATENT NO 9135903
APP PUB NO 20150128791A1
SERIAL NO

14383765

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Importance

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Abstract

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When a key depression speed and a key release speed of a key is to be detected based on a value of a counter (44) which accumulates a value every time the key passes through key switches (SW1, SW2), a number of digits of data indicating the key depression speed, a unit of the data being a bit and a number of digits of data indicating the key release speed, a unit of the data being a bit, are made the same.

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Patent Owner(s)

Patent OwnerAddress
KABUSHIKI KAISHA KAWAI GAKKI SEISAKUSHO200 TERAJIMA-CHO CHUO-KU HAMAMATSU-SHI SHIZUOKA-KEN

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Okamoto, Seiji Hamamatsu, JP 66 274

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