G - Physics – 08 – C
Patent
G - Physics
08
C
350/6, 340/135.1
G08C 21/00 (2006.01)
Patent
CA 1200892
ELECTROGRAPHIC SYSTEM AND METHOD ABSTRACT OF THE DISCLOSURE An electrographic system utilizing u singular resistive layer which may be transparent in conjunction with a supportive substrate. Through the use of an electromagnetic field generating stylus in conjunction with coordinate alternating border switching, linear output performance is achieved. With the utilization ofsum, difference and divider circuitry in conjunction with received output signals, the system remains immune from voltage variations occasioned in conjunction with thestylus and, thus, the stylus may be operated in varying spaced-relationship from the resistive surface.
445558
Quayle Stanley F.
Schlosser Philip A.
Mcfadden Fincham
Scriptel Corporation
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