Area meter

Details Area meter Area meter

1981-11-06

1984-09-18

Punter, William H.

Optics: measuring and testing

By configuration comparison

With photosensitive film or plate

250560, 356372, G01B 1128, G01B 1104

Patent

active

044720572

ABSTRACT:
The resolution of the measuring system of a conveyor type leaf-area meter is optimized when changes are made in the size of the area that is scanned by adjusting: (1) the lens of the scanner; (2) the rate of readout of the pulses from the scanner; and (3) the decimal place of the display unit.

REFERENCES:
patent: 2360883 (1944-10-01), Metcalf
patent: 3207909 (1965-09-01), Lakso et al.
patent: 3484615 (1969-12-01), Noro et al.
patent: 3782833 (1974-01-01), Biggs et al.
patent: 3804528 (1974-04-01), Kilmer et al.
patent: 4061914 (1977-12-01), Green
patent: 4063820 (1977-12-01), Borgese
patent: 4375920 (1983-03-01), Wurm et al.
Rycroft, R. J., "A Non-Contacting Width Monitor & a Position Sensitive Photocell", Colloquium on Optical Techniques for Measurement in Control, London England, Oct. 26, 1970, pp. 5/1-5/4.

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