Mechanism and method for controlling the temperature and output

Details Mechanism and method for controlling the temperature and output Mechanism and method for controlling the temperature and output

1983-03-25

1985-08-06

Chatmon, Saxfield

Electric lamp and discharge devices: systems

With load device temperature modifier

Automatic control of the temperature modifier

315115, 315116, 315151, 315158, 250205, H01J 724, H01J 1332, H01J 1974, H01J 6152

Patent

active

045338540

ABSTRACT:
The light output of a fluorescent lamp is controlled and optimized. The light output of a lamp peaks at some optimum value of mercury cold spot temperature. During operation the lamp output is continually monitored, any drop in peak light output is detected, and a signal is generated which reverses the instant mode of operation of a cooling device placed in proximity to the lamp cold spot. With the cooling mode reversed, the light output will rise towards the peak. The cooling mode remains unaltered until the light output falls again.

REFERENCES:
patent: 3786308 (1974-01-01), Browner et al.
patent: 4005332 (1977-01-01), Gallo et al.
patent: 4016450 (1977-05-01), Balekjian
patent: 4032817 (1977-06-01), Richmond
patent: 4146819 (1979-03-01), Hunter
patent: 4283658 (1981-08-01), Parker
patent: 4431947 (1984-02-01), Ferriss et al.

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