Obscuring system for an aircraft gyroscopic instrument

Details Obscuring system for an aircraft gyroscopic instrument Obscuring system for an aircraft gyroscopic instrument

1995-05-25

1996-04-30

Hjerpe, Richard

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

345 87, G09G 334

Patent

active

055129170

ABSTRACT:
An obscuring system for an aircraft gyroscopic instrument includes a liquid crystal light valve constructed so as to be transparent when not powered and opaque when effectively energized. Independent means for energizing the instrument may include a source of electric power or means responsive to gaseous pressure. An electric transformer is arranged so as to energize the liquid crystal light valve in response to a system fault on demand by the user to render the liquid crystal light valve opaque.

REFERENCES:
patent: 4862149 (1989-08-01), Boyer
patent: 4893903 (1990-01-01), Thakar et al.

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