| 摘要 |
A folding keyboard 10 is set forth with a numeric keypad 14, and one fold line 18 located between the edge of a standard continuous space bar 22 and the edge of the keyboard. Preferably, the one fold line 18 located between the edge of a standard continuous space bar 22 and the edge of the numeric keypad 14. Preferably, the keyboard 10 further includes left and right top cases 26, 30, supporting inexpensive rubber dome switches, left and right bottom cases (38, 42, Fig.3b), membrane sheet (46, Fig.8) with circuit traces (50, Fig.8) connecting keyboard electronics to contact points under each key 54, two hinge screws or rivets (58, Fig.2a) that hold the left and right sides of the keyboard 10 together at the hinges, and a locking mechanism (66, Fig.2a) to keep the case closed when folded shut. |
