Optics: measuring and testing – By dispersed light spectroscopy – Utilizing a spectrophotometer
Patent
1978-10-06
1980-09-09
Evans, F. L.
Optics: measuring and testing
By dispersed light spectroscopy
Utilizing a spectrophotometer
G01J 342
Patent
active
042214840
ABSTRACT:
In spectrophotometric apparatus in which there are a plurality of operating parameters a system for selecting predetermined combinations of operating parameters is provided, having as many user operable main mode selection stations as there are main modes in the design range of the system and having a mode multiplying system which is adapted to modify, in response to the operative state of user operable control means, each main mode selected out of at least some of the main modes in the range, for converting the selected main mode into an auxiliary mode.
REFERENCES:
patent: 3942893 (1976-03-01), Way
patent: 3976378 (1976-08-01), Pratt
Evans F. L.
Giarratana S. A.
Grimes E. T.
Masselle F. L.
Perkin-Elmer Limited
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