| 摘要 |
computer hardware for manual input of information. SUBSTANCE: keyboard has case with front panel whose slots accommodate keys built up of key heads and rods or guides provided with reset springs; key rods or guides are arranged at different angles to each other ranging between 0 and 180 deg. Such design makes it unnecessary for operator to move his or her hands. EFFECT: improved panel ergonomics; reduced operator's fatiguability. 3 cl, 2 dwg |
