US PATENT SUBCLASS 340 / 815.62
.~ Electromagnetic actuator for indicator matrix


Current as of: June, 1999
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340 /   HD   COMMUNICATIONS: ELECTRICAL

815.4  DF  VISUAL INDICATION {18}
815.62.~ Electromagnetic actuator for indicator matrix


DEFINITION

Classification: 340/815.62

Electromagnetic actuator for indicator matrix:

(under subclass 815.4) Subject matter comprising an electromagnet capable of producing a force to change the positions of indicative elements arranged in an array thereby presenting the perceptible indication.