Filter regulator for microspectrophotometer

Details Filter regulator for microspectrophotometer Filter regulator for microspectrophotometer

1975-10-28

1977-09-13

McGraw, Vincent P.

Optics: measuring and testing

Refraction testing

Prism engaging specimen

318663, 356100, G01J 348

Patent

active

040478181

ABSTRACT:
An adjustable filter regulator for a microspectrophotometer including adjustment means connected to a scale for controlling the setting of the interference filter wherein the filter is moveably connected to a servomotor; follower circuit, differential amplifier, and signal transmitter.

REFERENCES:
patent: 3418547 (1968-12-01), Dudler
patent: 3667024 (1972-05-01), Deming
patent: 3704953 (1972-12-01), Carter et al.
patent: 3789283 (1974-01-01), Kabat
patent: 3885879 (1975-05-01), Louder et al.

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