Light beam heating apparatus

Details Light beam heating apparatus Light beam heating apparatus

1995-11-09

1998-07-07

Hoang, Tu B.

Electric resistance heating devices

Heating devices

Radiant heater

392416, 219 8512, 219502, 250205, F21V 700

Patent

active

057781460

ABSTRACT:
In a light beam heating apparatus generating a light beam for heating a work, optical energy of the light beam is deteriorated as the lamp is used. The optical energy is controlled by detecting an optical intensity of the light emitted by the lamp. If the optical intensity is decided not to be increased to a desired value due to an increase in arc light source or the like, an exchange of the lamp is cautioned. Thus, a timing of the exchange of the lamp can be decided before the temperature of a work becomes lower than the desired value.

REFERENCES:
patent: 5335309 (1994-08-01), Fujii et al.

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