Communications: electrical – Land vehicle alarms or indicators – Internal alarm or indicator responsive to a condition of the...
Patent
1978-12-08
1981-05-05
Trafton, David L.
Communications: electrical
Land vehicle alarms or indicators
Internal alarm or indicator responsive to a condition of the...
313505, 3151693, 340781, 357 45, 358241, H05B 3326
Patent
active
042662230
ABSTRACT:
A multilayer display device with thin-film transistor circuits for sequentially switching a common brightness control signal to a plurality of individual display elements.
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Trafton David L.
W. H. Brady Co.
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