Fluorescent lamp assebmly for image scanner

Details Fluorescent lamp assebmly for image scanner Fluorescent lamp assebmly for image scanner

1992-05-19

1993-02-23

Pascal, Robert J.

Electric lamp and discharge devices: systems

With load device temperature modifier

Electric heater for the load device

315117, 313 13, 313 44, 355229, H05B 3700, G03B 1500

Patent

active

051893401

ABSTRACT:
In a fluorescent lamp assembly for use in an image scanner, a heater is associated with a glass tube of a fluorescent lamp for heating the glass tube. A controller is provided for controlling the heater in such a manner as to maintain temperture of the glass tube at the predetermined optimum level at which a luminescent characteristic of the fluorescent lamp is stabilized.

REFERENCES:
patent: 2491881 (1949-12-01), Liempt
patent: 2581959 (1952-01-01), Koehler
patent: 3432232 (1969-03-01), Tompkins
patent: 3779640 (1973-12-01), Kidd
patent: 4140385 (1979-02-01), Shaw et al.

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