G - Physics – 01 – N
Patent
G - Physics
01
N
340/140.1
G01N 21/25 (2006.01)
Patent
CA 1202399
Abstract of the Disclosure: An apparatus for remote monitoring color distribution of two materials charged in a treating column by moving a color sensor along a viewing window of the column. The color sensor moving along the viewing window projects a light on-to the materials in the treating column and receives the reflected light to convert into a reception signal. A comparator com- pares the reception signal with the reference signal representing a standard color of the materials in the column to produce a digital color difference signal. The digital color difference signal is sampled and distributed to indicator lamps in accordance with position signals from the position sensing means which senses the passage of the color sensor by each of a plurality position. Thus, the indicator lamps provides a remote display of the color distribution of the materials along the viewing window. Further, operation processing means is provided which checks the inversion frequency of samples of the color difference signal and the inversion position or positions thereof and selectively produces one of a plurality of control signals each indicating how far the separation process goes.
396144
Ebara Corporation
Riches Mckenzie & Herbert Llp
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