Communications: electrical – Systems – Periodic or flashing
Patent
1993-08-05
1995-06-06
Peng, John K.
Communications: electrical
Systems
Periodic or flashing
340332, 340472, 340458, 340490, 362 35, 362 80, G08B 500
Patent
active
054226236
ABSTRACT:
An emergency signalling system is disclosed that incorporates an emergency signalling device including a light source and reflector mounted for relative rotation in incremental steps in either clockwise or counterclockwise directions. A programmable control unit of the signalling system provides digital signals to a drive source for controlling the speed and direction of the relative rotation. In response to the digital signals, the signalling device executes a variety of different visual patterns. The signalling system can be programmed from a keyboard preferably integrated into a control head mounted to a dashboard area of a vehicle incorporating the emergency signalling system. Virtually any type of visual warning pattern based on the relative rotation of a light source and reflector can be executed by the signalling device if properly programmed.
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Bader Joseph F.
Benner Michael
Gieffers Ward
Hilburger Dennis J.
Kekeis Kent A.
Federal Signal Corporation
Peng John K.
Tong Nina
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