Communications: electrical – Land vehicle alarms or indicators – External signal light system
Patent
1993-12-17
1996-09-17
Crosland, Donnie L.
Communications: electrical
Land vehicle alarms or indicators
External signal light system
3403843, 3403844, 3403845, B60Q 126, G08B 300
Patent
active
055572570
ABSTRACT:
A signalling system is provided that is alternatively operable in programming and operating modes. The signalling system includes a keypad, control head, control unit and a plurality of signalling features selectively activated by the control unit in the operating mode. The system provides for keystrokes to the keypad placing the system in the programming mode and selecting the signalling features to be activated by the control unit in the operating mode.
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Crosland Donnie L.
Federal Signal Corporation
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