Communications: electrical – Land vehicle alarms or indicators – Internal alarm or indicator responsive to a condition of the...
Patent
1981-06-08
1983-08-16
Trafton, David L.
Communications: electrical
Land vehicle alarms or indicators
Internal alarm or indicator responsive to a condition of the...
340754, 34081501, 3408151, 340691, G09G 300
Patent
active
043994342
ABSTRACT:
A line indicating apparatus for visually monitoring changes of physical constants or functions occurring in a dynamic process. The apparatus has a plurality of units or modules which are associated with the monitoring of a corresponding plurality of variables. Each module has at least two indicating sections, each of which is provided with at least two indicating members. An electric circuit is provided for sensing the condition and changes in each monitored variable and providing various outputs to energize one or more indicating members to give a visual indication of the condition of the monitored variable. The modules are aligned with each other in a straight line so that during normal or mode "A" operation of all the variables, particular indicating sections in all of the modules will present a highly visible indicating line or band. In case of a minor deviation occurring in a particular monitored variable, the indicating section associated with the normal operation will go out and an adjacent indicating section in the module will go on to indicate a caution or mode "B" operation. Should a substantial deviation occur in one of the variables or the variable should become non-existent, all indicating sections go on to indicate a danger or mode "C" operation. One of the components forming the line indicating apparatus is a line indicating device in the form of a display panel having a plurality of indicating segments, each having two or more indicating sections which are adapted to be chromatically stressed by any well-known forms, such as colored tabs which are mechanically or manually affixable to respective indicating sections.
REFERENCES:
patent: 2484058 (1949-10-01), Steinberger
patent: 3419857 (1968-12-01), Martin
patent: 3469252 (1969-09-01), Bet
patent: 3474438 (1969-10-01), Lauher
patent: 4200896 (1980-04-01), Baumann
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