Hall Effect tester for heated window grids

Details Hall Effect tester for heated window grids Hall Effect tester for heated window grids

1981-02-13

1983-07-26

Krawczewicz, Stanley T.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Magnetic saturation

324 52, 324 51, G01R 3300, G01R 3108

Patent

active

043956777

ABSTRACT:
An electronic tester for window grid heaters using a Hall Effect handheld probe device for use in detecting breaks in the grid lines. The instrument is intended for fabrication as an integrated circuit device to provide a low-cost unit which is advantageous for testing vehicles being mass produced. The device allows external electrical continuity testing of rear window heated grid systems obviating in-car testing on the assembly line.

REFERENCES:
patent: 1998952 (1935-04-01), Edgar
patent: 3617865 (1971-11-01), Hakata
patent: 3725779 (1973-04-01), Mauer
patent: 3885212 (1975-05-01), Herbert
patent: 4276509 (1981-06-01), Bryant

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