Method and apparatus for enhancing safety within a work zone

Details Method and apparatus for enhancing safety within a work zone Method and apparatus for enhancing safety within a work zone

2005-11-08

2005-11-08

Tweel, Jr., John (Department: 2636)

Communications: electrical

Condition responsive indicating system

With particular coupling link

C340S679000

Reexamination Certificate

active

06963278

ABSTRACT:
A method and apparatus for enhancing the safety in a work zone surrounding operating equipment including identifying workers within said work zone and warning unauthorized workers within said work zone.

REFERENCES:
patent: 4928101 (1990-05-01), Favors
patent: 4937795 (1990-06-01), Motegi et al.
patent: 5198800 (1993-03-01), Tozawa et al.
patent: 5939986 (1999-08-01), Schiffbauer et al.
patent: 6073064 (2000-06-01), Konrad et al.
patent: 6208260 (2001-03-01), West et al.
patent: 6784800 (2004-08-01), Orzechowski

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