| 摘要 |
PURPOSE:To carry out the key operation without the motion of moving both hands left and right, by inputting the Japanese syllabary by the combination of the palm keys and fingertip keys arranged under a specific state. CONSTITUTION:Three pieces of palm keys (a space key 7, a numeral key 8 and a line feed key 9) operated by the palm of left hand are provided to the left half part of operation panel 6 and nine pieces of fingertip keys 10, 11a, b-14a, b operated by each finger of left hand are so arranged as to be positioned nearly on the circular arcs of which the centers are those palm keys. Three pieces of palm keys 15, 16, 17 operated by the palm of right hand are arranged to the right side of operation panel 6 and five pieces of indication keys 18-22 operated by each finger of right hand are so arranged as to be positioned nearly on the circular arcs of which the centers are those palm keys are assigned to the first stae - the fifth stage of the Japanese syllabary. Further, figures of 1-5 are correspondingly annexed to those keys 18-22 and figures of 6-9, 0 are corresponding annexed to the keys 10, 11a, b-14a, b. |
