Apparatus for imaging infrared emitting surfaces

Details Apparatus for imaging infrared emitting surfaces Apparatus for imaging infrared emitting surfaces

1985-12-16

1987-09-22

Groody, James J.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358229, 358113, H04N 718

Patent

active

046958819

ABSTRACT:
Infrared emitting surfaces such as a smelt bed in a Kraftchemical recovery boiler can be monitored by a closed circuit infrared camera equipped with a 1.5 micrometer edge filter. The camera power supply is isolated from the heat sensitive camera pick up tube and yoke assembly. This separation also makes it easier to mount and dismount the tube on and off of the boiler. The tube is contained in a housing which is supported by bearings which are slidable on rods attached to the boiler wall. This attachment ensures that the image produced will not change with mounting and dismounting the camera. An image change would result in a waste of smelt bed chemicals.

REFERENCES:
patent: 3021386 (1962-02-01), Clark
patent: 3609236 (1971-09-01), Heilman
patent: 4016597 (1977-04-01), Dillon et al.
patent: 4131914 (1978-12-01), Bricmont
patent: 4246604 (1981-01-01), Hundertmark
patent: 4255762 (1981-03-01), Takeyasu et al.
patent: 4539588 (1985-09-01), Ariessohn et al.

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