Neutralizing electrode for schlieren dark field light valve

Details Neutralizing electrode for schlieren dark field light valve Neutralizing electrode for schlieren dark field light valve

1986-06-24

1988-01-26

Moore, David K.

Electric lamp and discharge devices

Cathode ray tube

Screen

350361, 358 62, 358233, H01J 2912

Patent

active

047218819

ABSTRACT:
A neutralizing electrode is provided in a light valve of the Schlieren dark field type. The purpose of this neutralizing electrode is to neutralize the large electrostatic forces which develop between the transparent conductive electrode on the rotating disc and the face plate of the light valve causing erratic rotational motion of the disk. The neutralizing electrode is connected to a source of potential which is of the same polarity and substantially the same the potential as that of the rotating disk electrode.

REFERENCES:
patent: 3874786 (1975-04-01), Towlson

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