Floating coordinate system

Details Floating coordinate system Floating coordinate system

1980-03-26

1982-06-08

Robinson, Thomas A.

Telegraphy

Systems

Position coordinate determination for writing

178 18, 364520, G08C 2100

Patent

active

043341241

ABSTRACT:
Apparatus for determining the position of a cursor with respect to a floating coordinate system, such as a menu. The floating menu incorporates two sensing devices similar to that in the cursor. A processing unit determines the position of the two sensing devices and the position of the cursor with respect to a fixed coordinate system. From this data the position of the cursor with respect to the floating menu is determined.

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