Densitometer head with fiber optics

Details Densitometer head with fiber optics Densitometer head with fiber optics

1974-07-22

1976-07-20

McGraw, Vincent P.

Optics: measuring and testing

Refraction testing

Prism engaging specimen

250227, 356212, G01J 346, G01N 2148

Patent

active

039703940

ABSTRACT:
Densitometer head having a light source and optics for directing light onto a surface, optics and transducers for receiving and sensing light reflected from the surface, and external connections to signal processing circuitry. Fiber optics are used to receive the reflected light and transmit it to the sensors. The sensors, light source and optics are located in an in-line arrangement. Adjusting means are provided for adjusting the fiber optics relative to the light receiving optics and the sensors. The head is also provided with selected color filters which can be remotely selected. Purge air keeps the densitometer lenses clean.

REFERENCES:
patent: 2420716 (1947-05-01), Morton et al.
patent: 2430526 (1947-11-01), Mirfield et al.
patent: 2843664 (1958-07-01), Olin
patent: 3136310 (1964-06-01), Meltzer
patent: 3205738 (1965-09-01), Ballmer et al.
patent: 3393602 (1968-07-01), Stouffer
patent: 3628036 (1971-12-01), Humphrey
patent: 3698813 (1972-10-01), Aisenberg
patent: 3756725 (1973-09-01), Manring

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