Sensitive display device comprising a scanned screen

Details Sensitive display device comprising a scanned screen Sensitive display device comprising a scanned screen

1987-02-24

1989-09-19

Moore, David K.

Communications: electrical

Land vehicle alarms or indicators

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

340706, 250221, G09G 300

Patent

active

048685518

ABSTRACT:
The sensitive display device of the invention comprises a scanned screen in front of which is situated a plate of transparent material; a detector being coupled with the edge of this plate and a specific position on this plate being determined by contact of a diffusing object, such as a finger. The detector picks up a signal which, after processing, enables the position of this point of contact to be determined. The invention may be used, in particular, as an interface between a computer and a user.

REFERENCES:
patent: 3673327 (1972-06-01), Johnson et al.
patent: 3845826 (1974-11-01), Mueller
patent: 3847262 (1974-11-01), Higgins
patent: 4305071 (1981-12-01), Bell et al.
patent: 4346376 (1982-08-01), Mallas
patent: 4459476 (1984-07-01), Weissmueller et al.
patent: 4484179 (1984-11-01), Kasday
patent: 4521771 (1985-06-01), Alton
patent: 4542375 (1985-09-01), Alles et al.
IBM Technical Disclosure Bulletin, vol. 11, No. 10, Mar. 1969, New York, D. D. Bauman et al., "Optical Data Input Device", pp. 1281-1282.
IBM Technical Disclosure Bulletin, vol. 24, No. 6, Nov. 1981, New York, R. H. Harris, "Optical Overlay Input Device for a Cathode Ray Tube", pp. 2732-2733.

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