Light activated vehicle sensor with flashing light and pulsing s

Details Light activated vehicle sensor with flashing light and pulsing s Light activated vehicle sensor with flashing light and pulsing s

1988-10-21

1991-04-02

Orsino, Joseph A.

Communications: electrical

Condition responsive indicating system

Specific condition

362802, 340942, 340432, 340474, 250214R, G08B 2100

Patent

active

050050044

ABSTRACT:
An audible warning tone and a flashing optical signal are generated by a personal portable signalling apparatus when it detects the approach of a lighted moving vehicle. The flashing optical signal also alerts the operator of the moving vehicle of the presence of the user of the personal portable signalling apparatus. A housing is provided to optically isolate the receiving and transmitting portions of the optical apparatus.

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patent: 4255745 (1981-03-01), Rohan et al.
patent: 4290047 (1981-09-01), Latta, Jr.
patent: 4613103 (1986-09-01), Waranowitz
Davies, "Versatile Light Alarm"; Radio & Electronics Constructor; vol. 29, #3, pp. 142-144; 10/75.
Heathkit Electronics Dictionary; pp. 470-471 (Multivibrator Definition & Figure).

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