Abstract

A data-gathering system automatically enters spectrophotometric data on paper tape. The data are converted to CIE chromaticity coordinates, dominant wavelength, and excitation purity by a digital computer. The computer uses a weighted-ordinate method for calculating the CIE coordinates, and determines the dominant wavelength and excitation purity associated with these coordinates by a table-searching technique. The system is used for both transmittance and reflectance data.

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  1. H. J. Keegan, W. C. Rheinbolt, J. C. Schleter, J. P. Menard, and D. B. Judd, J. Opt. Soc. Am. 48, 863A (1958).
  2. W. C. Rheinbolt and J. P. Menard, J. Opt. Soc. Am. 50, 802 (1960).
  3. F. W. Billmeyer, Jr., J. Opt. Soc. Am. 50, 137 (1960).
  4. Deane B. Judd, J. Opt. Soc. Am. 23, 369 (1933).

Billmeyer, Jr., F. W.

F. W. Billmeyer, Jr., J. Opt. Soc. Am. 50, 137 (1960).

Judd, D. B.

H. J. Keegan, W. C. Rheinbolt, J. C. Schleter, J. P. Menard, and D. B. Judd, J. Opt. Soc. Am. 48, 863A (1958).

Judd, Deane B.

Deane B. Judd, J. Opt. Soc. Am. 23, 369 (1933).

Keegan, H. J.

H. J. Keegan, W. C. Rheinbolt, J. C. Schleter, J. P. Menard, and D. B. Judd, J. Opt. Soc. Am. 48, 863A (1958).

Menard, J. P.

H. J. Keegan, W. C. Rheinbolt, J. C. Schleter, J. P. Menard, and D. B. Judd, J. Opt. Soc. Am. 48, 863A (1958).

W. C. Rheinbolt and J. P. Menard, J. Opt. Soc. Am. 50, 802 (1960).

Rheinbolt, W. C.

W. C. Rheinbolt and J. P. Menard, J. Opt. Soc. Am. 50, 802 (1960).

H. J. Keegan, W. C. Rheinbolt, J. C. Schleter, J. P. Menard, and D. B. Judd, J. Opt. Soc. Am. 48, 863A (1958).

Schleter, J. C.

H. J. Keegan, W. C. Rheinbolt, J. C. Schleter, J. P. Menard, and D. B. Judd, J. Opt. Soc. Am. 48, 863A (1958).

Other (4)

H. J. Keegan, W. C. Rheinbolt, J. C. Schleter, J. P. Menard, and D. B. Judd, J. Opt. Soc. Am. 48, 863A (1958).

W. C. Rheinbolt and J. P. Menard, J. Opt. Soc. Am. 50, 802 (1960).

F. W. Billmeyer, Jr., J. Opt. Soc. Am. 50, 137 (1960).

Deane B. Judd, J. Opt. Soc. Am. 23, 369 (1933).

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