Induced body current metering workstation mat

Details Induced body current metering workstation mat Induced body current metering workstation mat

1992-04-06

1995-09-26

Peng, John K.

Communications: electrical

Condition responsive indicating system

Specific condition

340654, 340657, 340660, 324133, 324557, 361 91, G08B 2100

Patent

active

054537347

ABSTRACT:
A workstation mat used to monitor radio frequency, electromagnetic field induced currents flowing through the body of a person standing on the workstation mat. The workstation mat includes an upper and lower conductive plate residing in parallel planes. The upper plate is superposed in spaced apart relation over the lower plate. The mat also includes an electronic circuit coupled to the conductive plates. The electronic circuit senses the induced current flowing through a person's body and sounds an alarm to warn the worker when the induced body current meets or exceeds a predetermined current threshold. The threshold setting is variable and preset by the user. The workstation mat has a reset button switch mounted on one lateral side and contains connectors for a remote alarm and a remote reset switch.

REFERENCES:
patent: 3309690 (1967-03-01), Moffitt
patent: 4368472 (1983-01-01), Gandhi
patent: 4714915 (1987-12-01), Hascal et al.
patent: 4983954 (1991-01-01), Huston
patent: 5296844 (1994-03-01), Hanrahan et al.

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