Touch-screen arrangement

Details Touch-screen arrangement Touch-screen arrangement

1990-06-04

1993-02-02

Brier, Jeffery A.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340706, 340712, 178 18, G09G 302

Patent

active

051841150

ABSTRACT:
In an arrangement wherein an inquiry and a choice of respones thereto are displayed on a CRT screen, a selection is made by holding a touch-screen device against the area of the screen corresponding to the desired response. Such a touch-screen device is designed to have an inductive coil in its tip. When an electron beam which scans the CRT screen sweeps across the tip of the touch-screen device, an electrical signal is induced on the coil. The touch-position or the selection is determined based on a knowledge of the position of the electron beam on the screen at the time of the electrical signal induction.

REFERENCES:
patent: 4418242 (1983-11-01), Kouno
patent: 4471162 (1984-09-01), Aono et al.
patent: 4577058 (1986-03-01), Collins
patent: 4771276 (1988-09-01), Parks

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