| 摘要 |
PROBLEM TO BE SOLVED: To provide a full-scale electronic keyboard instrument such as an electronic piano that is convenient to be carried and sufficiently used for a performance and a practice at a carry destination, and an electronic keyboard instrument system.SOLUTION: An electronic keyboard instrument 1 includes a keyboard formed by foldably connecting a plurality of plate-like keyboard portions 1a, 1b, 1c, 1d, 1e, 1f, 1g and 1h having a plurality of while keys and a plurality of black keys, where the white keys and the black keys include sensors respectively. The sensors have functions of detecting pressing force when the white key and the black key are depressed by a finger. The electronic keyboard instrument creates a position information signal and a sound volume information signal for informing which white key or black key is depressed on the basis of a signal in response to the pressing force detected by the sensor, and transmits the information as digital signals from a transmitter. |
