| 摘要 |
PROBLEM TO BE SOLVED: To provide a sheet 101 with plate spring for keyboard and a keyboard device 502 which are capable of more reducing a typing errors with a simple structure.SOLUTION: A sheet 101 with plate spring for keyboard corresponds to each group of three keys set from a plurality of keys and has a first dome spring D11, a second dome spring D21 and a third dome spring D31, and is so configured that the first dome spring D11 has a first dome portion 11d and a first leg portion 11f, the second dome spring D21 has a second dome portion 21d and a second leg portion 21f while the plate thickness is thin or the length of the second leg portion 21f is long with respect to the first dome spring D11, and a third dome spring D31 is constituted of a third dome portion 31d and a supporting leg portion 31e while being lower than the height of the first dome spring D11 and the second dome spring D21. A keyboard device 502 is configured so as to use a sheet 101 with plate spring for keyboard. |
