Slit changing device for monochromator

Details Slit changing device for monochromator Slit changing device for monochromator

1983-10-28

1986-10-21

Evans, F. L.

Optics: measuring and testing

By dispersed light spectroscopy

With monochromator structure

356334, G01J 318

Patent

active

046182608

ABSTRACT:
A slit changing device for a monochrometer comprises a slit disc forming a plurality of pairs of slits each having different widths, a pulse motor for rotating the slit disc, a control circuit for activating the pulse motor, so that any pair of the pairs of slits can be selected, and a keyboard operated to enter target slit information into the control circuit. The coupling between the slit disc and the pulse motor is slipless and backlashless. The control circuit comprises a present slit pulse counter for storing the pulse number of a presently selected slit pair and a target pulse counter for storing the pulse number of a target slit pair.

REFERENCES:
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patent: 3668990 (1972-06-01), Hayes
patent: 3893753 (1975-07-01), Glenn
patent: 4084906 (1978-04-01), Bibbero
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patent: 4325634 (1982-04-01), Tohyama
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patent: 4437763 (1984-03-01), Kaye
patent: 4482251 (1984-11-01), Saylor
patent: 4483590 (1984-11-01), Moss
"An Interactive Microprocessor-Controlled Spectrophotometer," Malone et al., Am. Lab., Jun. 1980, vol. 12, No. 6, pp. 76-81.

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