Personal continuous air monitor

Details Personal continuous air monitor Personal continuous air monitor

1998-12-04

2000-01-04

Tong, Nina

Communications: electrical

Condition responsive indicating system

Specific condition

3405731, 250435, 25037002, G08B 1710

Patent

active

060114797

ABSTRACT:
A personal continuous air monitor capable of giving immediate warning of the presence of radioactivity has a filter/detector head to be worn in the breathing zone of a user, containing a filter mounted adjacent to radiation detectors, and a preamplifier. The filter/detector head is connected to a belt pack to be worn at the waist or on the back of a user. The belt pack contains a signal processor, batteries, a multichannel analyzer, a logic circuit, and an alarm. An air pump also is provided in the belt pack for pulling air through the filter/detector head by way of an air tube.

REFERENCES:
patent: 4808827 (1989-02-01), Woollam
patent: 4820925 (1989-04-01), Balmer et al.
patent: 4975575 (1990-12-01), Perlman
patent: 5128539 (1992-07-01), Rodgers et al.
patent: 5235190 (1993-08-01), Tucker et al.

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