Coordinate input unit

Details Coordinate input unit Coordinate input unit

1988-08-10

1991-01-08

Schreyer, Stafford D.

Telegraphy

Systems

Position coordinate determination for writing

340706, G08C 2100

Patent

active

049837877

ABSTRACT:
The coordinate input unit is provided with a coordinate input pad in which one or more pairs of sheet-like electrodes for a function switch held by a pressure-sensitive electroconductive sheet having weighed input sensitivity different from that of another pressure-sensitive, electroconductive sheet, is laminated on a pair of flexible, sheet-like electrode groups for coordinate input having a plural number of electrodes in accordance with the pressing position, and which is held by the latter pressure-sensitive, electroconductive sheets. The described coordinate input unit allows to perform several input operations of coordinate input and using several function switches using only one hand.

REFERENCES:
patent: 4475008 (1984-10-01), Doi et al.

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