Device, ammeter and motor vehicle

Details Device, ammeter and motor vehicle Device, ammeter and motor vehicle

2005-09-06

2005-09-06

Karlsen, Ernest (Department: 2829)

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Magnetic saturation

C324S127000

Reexamination Certificate

active

06940265

ABSTRACT:
A device, an ammeter and a motor vehicle, having a first section and a second section of a conductor for the purpose of measuring the electrical amperage in the conductor are described; a first sensor means and a second sensor means being provided; the current flowing in the first section and in the second section generating a useful magnetic field; the first sensor means being provided to measure the useful magnetic field; the second sensor means being provided in a location where the useful magnetic field disappears; the second sensor means being provided to measure a magnetic interference field; and the measurement of the useful magnetic field being correctable by the measurement of the magnetic interference field.

REFERENCES:
patent: 3323057 (1967-05-01), Haley
patent: 6512359 (2003-01-01), Tamai et al.
patent: 198 21 492 (1999-11-01), None
patent: 100 43 171 (2001-04-01), None
patent: 0 061 520 (1982-10-01), None

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