Hazardous condition monitoring system

Details Hazardous condition monitoring system Hazardous condition monitoring system

1985-02-05

1987-05-12

Crosland, Donnie L.

Communications: electrical

Condition responsive indicating system

With particular coupling link

340521, 340531, 340532, 340555, 340573, 340576, 340632, 128719, 422 84, 455 53, 455 67, 455 89, 73 23, 2504971, G08B 108, H04Q 700, G01N 122

Patent

active

046653856

ABSTRACT:
Hazardous condition warning indications are transmitted from a site to a remote location on a conventional audio communication link. A variety of hazardous conditions including unconsciousness or inebriation of a workman at the site or his exposure to dangerous materials may be sensed and identifying information indicative of the source or location of the irregularity sensed may be transmitted to the remote location. A convention hand-held transceiver equipped with hazardous material sensors and sensors responsive to indications of potential impaired functioning of the individual are illustrated as an exemplary embodiment.

REFERENCES:
patent: 3440635 (1969-04-01), Hull
patent: 3573817 (1971-04-01), Akers
patent: 3668526 (1972-06-01), Raskin
patent: 3678391 (1972-07-01), Gough
patent: 4468656 (1984-08-01), Clifford et al.
patent: 4507654 (1985-03-01), Stolarczyk et al.
patent: 4539557 (1985-09-01), Redshaw
1976 Carnahan Conferences on Crime Countermeasures, Lexington, Ky., 1976, pp. 57-71.

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