Card – picture – or sign exhibiting – Register – or file – Rotatable carrier for file
Patent
1979-04-03
1981-03-24
Pitrelli, John F.
Card, picture, or sign exhibiting
Register, or file
Rotatable carrier for file
40467, 40475, 340365VL, B42F 1734, G09F 1102
Patent
active
042571790
ABSTRACT:
An item selection signal input system comprising a keyboard panel including a plurality of matrix aligned, transparent touch sensitive switches. An item list setting mechanism is provided for placing a desired item list below the keyboard panel in order to mark each of the touch sensitive switches. The item list setting mechanism comprises an item list carrying drum to which one end of a plurality of item lists are fixed. The desired item list is selected while the item list carrying drum is driven to rotate.
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Cummings, IBM Technical Disclosure, "Variable Keyboard for Terminal Displays " vol. 16, No. 2, 7/1973.
Morimoto Hiroshi
Oka Takashi
Pitrelli John F.
Sharp Kabushiki Kaisha
Skillington G. Lee
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