Portable gas detector and its cradle

Details Portable gas detector and its cradle Portable gas detector and its cradle

2000-10-10

2003-08-19

Williams, Hezron (Department: 2856)

Measuring and testing

Gas analysis

C073S031050, C073S431000, C073S866500

Reexamination Certificate

active

06606897

ABSTRACT:

FIELD OF THE INVENTION
This invention relates to a small portable gas detector and a cradle suited for use therewith.
DESCRIPTION OF THE PRIOR ART
A gas detector adapted to be attached to clothing or the body for continuous monitoring of the existence of gases in the work environment comprises gas sensors for different kinds of gases, a power supply and an indicator contained in a small casing.
Used to prevent accidents by detecting the existence of toxic gases in the work environment as early as possible, this type of device is required to have a high degree of reliability.
To insure the desired reliability, each sensor must be capable of sensing the target gas with certainty and adequate supply of electricity is maintained.
SUMMARY OF THE INVENTION
A portable gas detector according to this invention comprises a casing that can be attached to the body, the casing having multiple openings to accommodate said gas sensors on one side thereof and power supply and communication terminals on the other. While calibration of the gas sensors can be accomplished by supplying a reference gas from one side, electrical charging can be made from the other side without interfering with the supply of the reference gas.
An object of this invention, as such, is to provide a portable gas detector that facilitates the calibration of the sensors and the supply of electricity.
Another object of this invention is to provide a cradle suited for use with the portable gas detector of the type described above.


REFERENCES:
patent: 3877291 (1975-04-01), Hoppesch et al.
patent: 4578586 (1986-03-01), Preston
patent: 4705617 (1987-11-01), Beebe et al.
patent: 5501231 (1996-03-01), Kaish
patent: 5957854 (1999-09-01), Besson et al.
patent: 6085576 (2000-07-01), Sunshine et al.
patent: 6198400 (2001-03-01), Church et al.
patent: 6205840 (2001-03-01), Thompson
patent: 098337 (1990-04-01), None
Description from GB 1,573,678 (Aug. 1980), no drawings, from ep.espace.com.*
U.S. patent application Ser. No. 10,201,068, filed Jul. 22, 2002, Junichi Koyano et al., “Gas Suction Pump Device, Gas Feed Adapter and Gas Alarm Unit”, Formal Drawings 9-sheets of FIGS. 1-13, Specification 56-pages.

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