Boots – shoes – and leggings
Patent
1985-02-21
1987-09-08
Gruber, Felix D.
Boots, shoes, and leggings
356319, 364497, 364525, G01C 2500, G06F 1546
Patent
active
046928839
ABSTRACT:
This invention is directed to a digital wavelength calibration system for a spectrophotometer, which includes a photodiode array that forms an output detector for the spectrophotometer, a light source for generating at least one reference emission line of known peak wavelength, a computer controlled mechanism for causing the peak of said reference line to fall in close proximity to the center of a preselected pixel of said photodiode array, peak location computing apparatus for computing the exact position data of the peak relative to the pixel center in terms of the pixel spacing and the ordinal number of the preselected pixel and for retaining this position data for subsequent wavelength computation, wavelength identification computing apparatus for computing the numerical relationship data of the ordinate number of each pixel to the wavelength falling on that pixel and for retaining this relationship data for subsequent correlation with data generated by the pixel, and apparatus for computational processing and display of the data correlated with the associated wavelength value.
REFERENCES:
patent: 3646331 (1972-02-01), Lord
patent: 3922091 (1975-11-01), Suva et al.
patent: 4249244 (1981-02-01), Shofner et al.
patent: 4323309 (1982-04-01), Akitomo et al.
patent: 4488811 (1984-12-01), Fukuma
Boostrom Roy E.
Cahill Jerry E.
Hwang Tzong
Nelson Michael R.
Cummings Ronald G.
Grimes Edwin T.
Gruber Felix D.
Masselle Francis L.
Teska Kevin
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