Apparatus and method for inputting and outputting by using aeria

Details Apparatus and method for inputting and outputting by using aeria Apparatus and method for inputting and outputting by using aeria

1996-10-23

1999-11-02

Nguyen, Chanh

Computer graphics processing and selective visual display system

Plural physical display element control system

Optical means interposed in viewing path

345 48, G09G 300

Patent

active

059779381

ABSTRACT:
A visible light corresponding to an input key is generated from a visible light generating unit as a display source, thereby allowing an aerial image as a mirage of an input operating unit to appear by an aerial image forming unit using a pair of parabola mirrors or the like. When touching the aerial image by a finger, its reflected light is detected by a photodetecting unit. A controller discriminates an operating position from a driving timing of the visible light generating unit and outputs a switch signal to the outside.

REFERENCES:
patent: 3647284 (1972-03-01), Elings et al.
patent: 4484179 (1984-11-01), Kasday
patent: 4868551 (1989-09-01), Arditty et al.
patent: 5231388 (1993-07-01), Stoltz
patent: 5479187 (1995-12-01), Chen

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