Tri-state function indicator
Continuously variable color display device
Multicolor logic device
Mid-value signal selection system Patent #: 5202679
ApplicationNo. 032298 filed on 02/27/1998
US Classes:340/815.45, Using light emitting diodes340/525, Display board340/815.65, Multiple colors345/48, Light-controlling display elements345/589, Color or intensity345/904, DISPLAY WITH FAIL/SAFE TESTING FEATURE362/800LIGHT EMITTING DIODE
ExaminersPrimary: Crosland, Donnie L.
Attorney, Agent or Firm
International ClassG08B 005/22
Foreign Application Priority Data1997-03-14 KR
AbstractA status displaying device includes a plurality of modules each having a plurality of channels to display system status. The status displaying device comprises a plurality of LEDs corresponding to the number of the channels so as to display the system status by changing colors of the LEDs according to the module states.