Position determining apparatus

Details Position determining apparatus Position determining apparatus

1989-01-03

1989-12-05

Schreyer, Stafford D.

Telegraphy

Systems

Position coordinate determination for writing

340707, G08C 2100

Patent

active

048854336

ABSTRACT:
An apparatus for precisely locating the position of a transmitter within either a plane or within a three dimensional space. More particularly the apparatus of the invention is adapted for use with a computer and includes a pen-sized movable transmitter, or mouse, whose exact position within a plane or three dimensional space can be determined without the use of any physical connection between the transmitter and the rest of the apparatus.

REFERENCES:
patent: 4794634 (1988-12-01), Torihata et al.

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