Thermal toner image fixing device which uses fuzzy logic

Details Thermal toner image fixing device which uses fuzzy logic Thermal toner image fixing device which uses fuzzy logic

1991-09-11

1994-02-15

Picard, Leo P.

Photocopying

Contact printing

Light boxes

355208, 3642746, G03G 1520

Patent

active

052871541

ABSTRACT:
A thermal toner image fixing device thermally fuses and fixes a toner image to a sheet of paper. The thermal toner image fixing device has a sensor for detecting the surface reflectance of the sheet, a sensor for detecting the electric resistance of the sheet, and a sensor for detecting the ambient temperature. A temperature threshold level for a thermal fixing roller of the thermal toner image fixing device is determined according to fuzzy logic operations based on the detected surface temperature, the detected resistance, and the detected ambient temperature, and also control rules stored in a memory.

REFERENCES:
patent: 4920250 (1990-04-01), Urban
patent: 5029314 (1991-07-01), Katsumi et al.
patent: 5142332 (1992-08-01), Osawa et al.
patent: 5166873 (1992-11-01), Takatsu et al.
patent: 5175801 (1992-12-01), Iokibe

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