Stop sign watcher, a device for monitoring vehicles at full stop

Details Stop sign watcher, a device for monitoring vehicles at full stop Stop sign watcher, a device for monitoring vehicles at full stop

1979-08-06

1982-10-05

Groody, James J.

Communications: electrical

Selective

Having indication or alarm

340 38R, 346107VP, G08G 110

Patent

active

043530540

ABSTRACT:
A STOP SIGN monitoring device; containing a counter, audible alarm and switching provisions for photographic equipment. An electrical pulse is generated whenever a vehicle fails to make a defined "FULL STOP" at roadway intersections where FULL STOP SIGNS are posted.

REFERENCES:
patent: 2347194 (1944-04-01), Holliday
patent: 2927837 (1960-03-01), Martin
patent: 3544958 (1970-12-01), Carey et al.
patent: 3618003 (1971-11-01), Marshall
patent: 3689878 (1972-09-01), Thieroff
patent: 3714642 (1973-01-01), Lavarenne
patent: 3849784 (1974-11-01), Holzapfel
patent: 3858223 (1974-12-01), Holzapfel

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