US PATENT SUBCLASS 396 / 262
.~.~ Electro-optical element

Current as of: June, 1999
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396 /   HD   PHOTOGRAPHY

213  DF  EXPOSURE CONTROL CIRCUIT {23}
257  DF  .~ Diaphragm function only {4}
262.~.~ Electro-optical element

DEFINITION

Classification: 396/262

Electro-optical element:

(under subclass 257) Subject matter wherein the diaphragm is an electro-optical device (e.g., Kerr cell, liquid crystal device, etc.).

SEE OR SEARCH THIS CLASS, SUBCLASS:

506, for an electro-optical camera diaphragm.

, FOR 753, for a foreign art collection involving camera automatic exposure control having special driving arrangement

for controlling diaphragm only.

SEE OR SEARCH CLASS

359, Optics: Systems (Including Communication) and Elements,

237+, for an electro-optical modulator, per se.