Compact keyboard with entry of keyed and graphic information

Details Compact keyboard with entry of keyed and graphic information Compact keyboard with entry of keyed and graphic information

1989-06-30

1990-05-15

Schreyer, Stafford D.

Telegraphy

Systems

Position coordinate determination for writing

178 19, 340709, 340711, 364189, 364190, G08C 2100

Patent

active

049260103

ABSTRACT:
A keyboard is adapted for entry of graphical information into a computer by providing the keyboard with an extended, two dimensional member situated in overlapping relationship with at least one of the keys of the keyboard and which is adapted to generate for storage and display by the computer a signal designating a position on the member.

REFERENCES:
patent: 4725694 (1988-02-01), Auer et al.

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