Material density radiological measurement system with substantia

Details Material density radiological measurement system with substantia Material density radiological measurement system with substantia

1979-12-14

1981-09-29

Smith, Alfred E.

Radiant energy

Invisible radiant energy responsive electric signalling

With means to inspect passive solid objects

250308, 250359, G01N 2300, A24C 532

Patent

active

042925223

ABSTRACT:
A material density radiological measurement system is provided. The system comprises a material density radiological detector, a squaring circuit connected to the output terminal of the detector, a constant multiplying circuit connected to the output terminal of the squaring circuit, and a subtracting circuit connected to the material density radiological detector and the constant multiplying circuit. The system eliminates the nonlinearity of the relationship between the ionization current and the density of tobacco during a measuring operation of tobacco density of a cigarette.

REFERENCES:
patent: 3529162 (1970-09-01), Troutman
patent: 3779378 (1973-12-01), Scherf
patent: 3864573 (1975-02-01), Hoffman et al.
patent: 4064396 (1977-12-01), Panarello

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