US PATENT SUBCLASS 369 / 117
.~.~ Having movable shutter or light gate

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


369 /   HD   DYNAMIC INFORMATION STORAGE OR RETRIEVAL

99  DF  SPECIFIC DETAIL OF INFORMATION HANDLING PORTION OF SYSTEM {4}
100  DF  .~ Radiation beam modification of or by storage medium {20}
117.~.~ Having movable shutter or light gate

DEFINITION

Classification: 369/117

Having movable shutter or light gate:

(under subclass 100) Subject matter having a variably positioned radiation blocking element in the radiation beam path.

(1) Note. The position is generally varied by the information signal.

SEE OR SEARCH THIS CLASS, SUBCLASS:

104, for a ribbon type light modulator.