Coded data generation or conversion – Bodily actuated code generator – Including keyboard or keypad
Patent
1994-08-22
1995-10-24
Swarthout, Brent
Coded data generation or conversion
Bodily actuated code generator
Including keyboard or keypad
341 34, H03K 1794
Patent
active
054613760
ABSTRACT:
A panel unit for a dealing board has a keyboard unit provided with buttons, the keyboard unit has a printed substrate arranged on a display, fixed contacts which form switches provided for the buttons, and electric conductive contact rubber located on the printed substrate and provided with moving contacts opposing the fixed contacts. A panel is positioned on the electric conductive contact rubber and provided with the buttons. The panel has holes, the buttons are fitted into the holes to be vertically moveable so that the fixed contacts of the printed substrate come into contact with the movable contacts of the electric conductive contact rubber. The buttons are provided with an engagement portion for preventing the buttons from coming off the panel and the electric conductive contact rubber and the printed substrate have relief holes in which the buttons are fitted when the engagement portion holds the buttons.
REFERENCES:
patent: 3777222 (1973-12-01), Harris
patent: 4644326 (1987-02-01), Villalobos et al.
patent: 4844637 (1988-07-01), Buisson et al.
patent: 5121091 (1992-06-01), Fujiyama
Oono Fumiyoshi
Watanabe Tomonobu
Yaginuma Yoshitada
Hill Andrew
Hitachi Telecom Technologies Ltd.
Swarthout Brent
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