Personal appliance having shock protection circuitry

Details Personal appliance having shock protection circuitry Personal appliance having shock protection circuitry

1987-07-06

1991-05-07

Paschall, M. H.

Electric heating

Heating devices

Combined with container, enclosure, or support for material...

219383, 361 42, 361178, 307326, 34 97, H02H 316

Patent

active

050138910

ABSTRACT:
A personal appliance, such as hair dryer, with enhanced shock hazard protection, and including a housing formed of two complementary and interfitting sections, electrical units mounted within the housing, a power cord leading to the housing, an IDCI on the power cord, and a sensing wire associated with the power cord leading from said housing to said IDCI, electroconductive coating on the internal surfaces of the housing sections, with the coating being electrically connected to the sensor wire, whereby water contacting the coating and the power cord or any of the electrical units will cause a voltage in the sensing wire and thereby trigger the IDCI.

REFERENCES:
patent: 4270158 (1981-05-01), Gilardoni et al.
patent: 4464582 (1984-08-01), Aragaki et al.
patent: 4550358 (1985-10-01), Crowley et al.
patent: 4683369 (1987-07-01), Rieckman et al.
patent: 4687906 (1987-08-01), Fujishima et al.
patent: 4706153 (1987-11-01), Sainomoto et al.
patent: 4712154 (1987-12-01), Madsen

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