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US 4,257,179 AGranted
Item list setting mechanism in an item selection signal input system
AssigneeSharp Kabushiki Kaisha
InventorsTakashi Oka, Hiroshi Morimoto
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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.
Claims12
A key input system comprising:
- a keyboard panel including a plurality of switches;
- a plurality of item lists, each of which is provided with item markings at positions corresponding to said switches;
- an item list carrying drum operatively mounted adjacent to said keyboard panel for supporting said plurality of item lists;
- first drive means for rotating said item list carrying drum in a first direction, wherein said plurality of item lists are wound around said item list carrying drum;
- means for selecting and locating a desired item list while said item list carrying drum is driven to rotate in said first direction by said first drive means;
- second drive means for rotating said item list carrying drum in a second direction in response to completion of the selecting and locating operation, wherein one of said plurality of item lists is extracted from said item list carrying drum;
- guide means for guiding said selected item list toward said keyboard panel when said item list carrying drum is driven to rotate in said second direction;
- and
- positioning means for locating said selected item list at a position corresponding to said keyboard panel, thereby registering each switch included in said keyboard panel to said selected item list.
6 more elements
A key input system comprising:
- a keyboard panel including a plurality of switches;
- a plurality of item lists, each of which is provided with item indicia at positions corresponding to said switches;
- an item list carrying drum operatively mounted adjacent to said keyboard panel for supporting said plurality of item lists;
- first drive means for rotating said item list carrying drum in a first direction, wherein said plurality of item lists are wound around said item list carrying drum;
- second drive means for rotating said item list carrying drum in a second direction, wherein said plurality of item lists are extracted from said item list carrying drum;
- and
- guide means for guiding the item list underneath said keyboard panel when said item list carrying drum is driven to rotate in said second direction;
- wherein a selected item list is operatively positioned relative to said keyboard panel when said drum is rotated in the second direction to register of individual keyboard panel switches with said selected item list.
5 more elements
Dependencies are inferred from the claim text.