Communications: electrical – Land vehicle alarms or indicators – External alarm or indicator of movement
Patent
1997-03-26
2000-02-01
Wu, Daniel J.
Communications: electrical
Land vehicle alarms or indicators
External alarm or indicator of movement
340441, 340466, 340472, 340479, 307 108, B60Q 150
Patent
active
060208147
ABSTRACT:
A passive warning system for communicating vehicular deceleration and other information through a warning light. A microprocessor-based warning system according to the invention accounts for variations in vehicular speed and ambient driving conditions in generating a warning signal having an intensity or blinking rate related to a rate of deceleration. The microprocessor is also programmed to measure deceleration more frequently as the speed of the vehicle increases, allowing information to be communicated in a timely manner. In one embodiment of the invention, the microprocessor is programmed to maintain the highest intensity warning signal activated for a predetermined period of time in order to inform other vehicles of an earlier speed reduction. Further, a warning system according to the invention can be configured to communicate a high intensity warning signal if the wheels of the vehicle become suddenly blocked or rotate at a rate that is disproportionate to the speed of the vehicle. Various other features and embodiments are encompassed within the scope of the invention.
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