Automatically active personal alert safety system

Details Automatically active personal alert safety system Automatically active personal alert safety system

1998-06-16

2000-01-18

Wu, Daniel J.

Communications: electrical

Systems

Portable self-contained

3405731, 3406918, 34038473, 381159, G08B 2300

Patent

active

060160993

ABSTRACT:
A problem of accounting for firefighters at a fire scene and also assuring that a firefighter has his PASS device turned on is an ever pressing issue. A tally key and holder, each with an embedded magnet, are designed to magnetically infiltrate a reed switch in the PASS device. Accordingly, the present invention provides a simple means of accounting for personnel and also assuring that their PASS devices are automatically turned on.

REFERENCES:
patent: 3963202 (1976-06-01), Hopkins
patent: 4389635 (1983-06-01), Gallagher
patent: 4846462 (1989-07-01), Regnier et al.
patent: 5317305 (1994-05-01), Campman
patent: 5408213 (1995-04-01), Ungarsohn
patent: 5640148 (1997-06-01), Lewis et al.
patent: 5786761 (1998-07-01), Hui

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