Communications: electrical – Land vehicle alarms or indicators – Internal alarm or indicator responsive to a condition of the...
Patent
1987-11-16
1989-12-05
Tarcza, Thomas H.
Communications: electrical
Land vehicle alarms or indicators
Internal alarm or indicator responsive to a condition of the...
178 18, 178 19, G09G 302
Patent
active
H00007161
ABSTRACT:
In a system using a touch panel type of overlay on a cathode ray tube screen wherein multiple areas for user selection are presented on the tube screen, erroneous touch selection of displayed areas on the tube because of parallax-induced offset is avoided by assigning a guard band around each display area. The width of the band is designed to correlate to the amount of parallax error associated with the combined tube and overlay touch screen environment.
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patent: 4361725 (1982-11-01), Dagnelie et al.
patent: 4567480 (1986-01-01), Blanchard
patent: 4587520 (1986-05-01), Astle
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Datamation, vol. 30, No. 1, pp. 146, 148, 152, 154, entitled "Touch Screens: Big Deal or No Deal?" by M. Tyler dated Jan. 1984.
IBM Technical Disclosure Bulletin, vol. 22, No. 8B, Jan. 1980, pp. 3542-3543, entitled "Computer Interface Device" by P. J. Kennedy.
McDonald James E.
Stone Jimmy D.
Tarcza Thomas H.
Wallace Linda J.
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