Self cleaning touch screen display mechanism

Details Self cleaning touch screen display mechanism Self cleaning touch screen display mechanism

1995-01-03

1996-08-27

Bayerl, Raymond J.

Computer graphics processing and selective visual display system

Display peripheral interface input device

Touch panel

G09G 302

Patent

active

055505643

ABSTRACT:
A source roller containing transparent film is mounted below a kiosk's touch screen within the kiosk's enclosure. A portion of the transparent film is manually unwound and connected to a take-up roller mounted above the kiosk's display. The source and take-up rollers are mounted in a way that ensures that the film comes into contact with the touch screen. When a kiosk user enters information via the touch screen, the soil and other residue from the user's hands comes into contact with the film instead of the touch screen itself. Timers, optical sensors, and motors are used to advance the transparent film whenever it becomes dirty.

REFERENCES:
patent: 4721970 (1988-01-01), Beaver
patent: 4857946 (1989-08-01), Tominaga et al.
patent: 5030944 (1991-07-01), Masimo et al.
patent: 5054063 (1991-10-01), Lo et al.

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