Coded data generation or conversion – Bodily actuated code generator – Including keyboard or keypad
Patent
1990-01-23
1991-12-24
Weldon, Ulysses
Coded data generation or conversion
Bodily actuated code generator
Including keyboard or keypad
341 22, 36470914, H03K 1794
Patent
active
050756869
ABSTRACT:
A switch input device has an operation input switch endowed with a plurality of kinds of input functions. An indication member movably provided near the switch and having the indications of the plurality of kinds of input functions discretely provided at different regions of the surface thereof, and a cover member having transparent portions and opaque portions and covering the indication member, and by the indication member being moved, one different kind of indications among the indications of the plurality of input functions are just opposed to the transparent portions of the cover member in conformity with the position of the indication member and the other kinds of indications are just opposed to the opaque portions, whereby the indications of the input functions of the switch are changed over.
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patent: 4890832 (1990-01-01), Komaki
D. O. Johnson, Jr., "Keyboard With Changeable Encoding and Key Designation", IBM Technical Disclosure Bulletin, vol. 13, No. 7, Dec. 1970, pp. 2041-2042.
Canon Kabushiki Kaisha
Weldon Ulysses
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