Electronic lock-out tag-out safety device

Details Electronic lock-out tag-out safety device Electronic lock-out tag-out safety device

2006-04-11

2008-10-28

La, Anh V (Department: 2612)

Communications: electrical

Condition responsive indicating system

Specific condition

C340S539100, C340S545200

Reexamination Certificate

active

07443294

ABSTRACT:
An electronic lock-out tag-out system comprising a transmitter lock and a portable receiver. One or more switches of the transmitter lock is connected to a utility box or the like and are actuated when the transmitter lock is moved or removed. When the switch is activated, an alarm is sounded in the transmitter lock and a signal is transmitted to the receiver to sound an alarm in the receiver.

REFERENCES:
patent: 4319228 (1982-03-01), Daniels
patent: 5311168 (1994-05-01), Pease et al.
patent: 5656996 (1997-08-01), Houser
patent: 6060982 (2000-05-01), Holtrop
patent: 6720874 (2004-04-01), Fufido et al.
patent: 6778083 (2004-08-01), Auerbach et al.
patent: 7026932 (2006-04-01), Loudon

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