Infrared test for wooden utility poles for structural soundness

Details Infrared test for wooden utility poles for structural soundness Infrared test for wooden utility poles for structural soundness

1982-10-06

1985-01-22

Martin, John C.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358106, 250333, H04N 523

Patent

active

044955189

ABSTRACT:
A method for testing wooden utility poles for structural soundness, which quickly indicates usual structural conditions which make the pole unsound, such as rot, porosity and internal cavities, includes converting infrared radiation received from a utility pole being tested to visually observable form, comparing such radiation in such form, as received from different locations along the length of the utility pole, and noting disparities therein, which indicate portions of a pole which may be structurally unsound. The infrared radiation is converted to visually observable form by means of a cathode ray tube and appropriate optical and electronic transducers and circuitry, the infrared pattern is viewed by an operator of the equipment, sometimes preferably with a plurality of views of the pole being observed, and photographs of the cathode ray tube display are taken for future reference and study. In highly preferred embodiments of the invention the equipment is mounted on a motor vehicle, such as a panel truck or van, which traverses a roadway along which the utility poles are located, and for best results the testing is carried out at certain hours at which most significant differences can be observed between structurally sound and unsound portions of the poles.

REFERENCES:
patent: 2606294 (1952-08-01), Hagan
patent: 4328516 (1982-05-01), Colpack et al.
patent: 4338627 (1982-07-01), Stapleton
patent: 4347530 (1982-08-01), Stetson

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