US PATENT SUBCLASS 345 / 56
.~.~ Image shifting means (i.e., traveling message)


Current as of: June, 1999
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345 /   HD   COMPUTER GRAPHICS PROCESSING, OPERATOR INTERFACE PROCESSING, AND SELECTIVE VISUAL DISPLAY SYSTEMS

30  DF  PLURAL PHYSICAL DISPLAY ELEMENT CONTROL SYSTEM (E.G., NON-CRT) {4}
55  DF  .~ Display elements arranged in matrix (e.g., rows and columns) {10}
56.~.~ Image shifting means (i.e., traveling message) {1}
57  DF  .~.~.~> Having endless belt or tape reader


DEFINITION

Classification: 345/56

Image shifting means (i.e., traveling message):

(under subclass 55) Subject matter wherein the selective electrical control includes means for moving image or a message on the display matrix.

SEE OR SEARCH THIS CLASS, SUBCLASS:

61, for fluid light-emitter with shifting means.