US PATENT SUBCLASS 340 / 924
.~.~ Local controller can be superceded by central station controller
Current as of:
June, 1999
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340 /
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COMMUNICATIONS: ELECTRICAL
907
DF
TRAFFIC CONTROL INDICATOR
{8}
916
DF
.~ Intersection normally under local controller {5}
924
.~.~ Local controller can be superceded by central station controller
DEFINITION
Classification: 340/924
Local controller can be superceded by central station controller:
(under subclass 916) Subject matter wherein the traffic indicator control may be taken over by the central station.
SEE OR SEARCH THIS CLASS, SUBCLASS:
909, when plural intersections are normally under common central station control.
