Coded data generation or conversion – Bodily actuated code generator – Including keyboard or keypad
Patent
1997-03-13
1998-07-28
Hofsass, Jeffery
Coded data generation or conversion
Bodily actuated code generator
Including keyboard or keypad
361680, 400682, H05K 716
Patent
active
057867755
ABSTRACT:
A keyboard structure of a portable computer, in which the keyboard is disposed on a pad board having supporting cranks pivotally disposed on two sides thereof. A torque spring is disposed at the pivot portion between the supporting crank and the pad board for rotating the supporting crank to lift the pad board in a natural state. The base seat is formed with slide channels corresponding to the supporting cranks for the free ends thereof to slidably extend in. When the pad board is released from the engaging force, the supporting crank suffers the torque of the torque spring to slide with in the slide channel of the base seat and gradually push the rear side of the pad board to pivot upward about the pivot member of the front side. Therefore, the keyboard rested on the pad board is inclined by a certain angle to facilitate the operation. The keyboard can be divided into two keyboard divisions which can be stretched apart to meet the configuration of human hands.
REFERENCES:
patent: 5168427 (1992-12-01), Clancy
patent: 5239444 (1993-08-01), Sasaki
patent: 5490036 (1996-02-01), Lin
patent: 5596980 (1997-01-01), Manser
patent: 5629832 (1997-05-01), Sellers
Compal Electronics Inc.
Hofsass Jeffery
Wong Albert K.
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