Vehicular emergency vehicle alarm apparatus

Details Vehicular emergency vehicle alarm apparatus Vehicular emergency vehicle alarm apparatus

1998-10-02

2000-07-25

Wu, Daniel J.

Communications: electrical

External condition vehicle-mounted indicator or alarm

Transmitter in another vehicle

340904, 359154, 359189, 701301, G08G 100

Patent

active

060941480

ABSTRACT:
An apparatus for detecting vehicular speed monitoring signals and for detecting nearby emergency vehicles includes a first sensor for sensing modulated light from an emergency vehicle warning light and generating an alarm signal in response; a second sensor for sensing an incident vehicular speed monitoring signal and generating a ranging signal in response; and an alarm coupled to the first and second sensors for issuing an alarm in response to generation of any of the ranging signal and the alarm signal.

REFERENCES:
patent: 5235329 (1993-08-01), Jackson
patent: 5239296 (1993-08-01), Jenkins
patent: 5495243 (1996-02-01), McKenna
patent: 5559508 (1996-09-01), Orr et al.

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