| 摘要 |
A stealthy, one-hand keyboard suitable for pedestrians is implemented as a frame held between thumb and palm, to which is attached an adjustable array of keyswitches. The configuration is such that the fingers play no part in supporting the keyboard against gravity, nor in retaining it within the hand. This property facilitates faster typing. The keyboard is strapless and leaves the fingers near their relaxed positions. The hand hides the keyboard on one side and chords are entered by small motions of the fingers, actuating contact being via the flesh on the palm sides of the middle and distal phalanges. These properties reduce the keyboard's observability.
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