Printed circuit boards multi-axis magnetometer
US6304082A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 2, 1999 |
| Grant date | Oct 16, 2001 |
| Priority date | — |
| Expiry date | Aug 2, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05K2201/09172
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A multi-axis magnetometer is provided having three magnetic field sensing circuits for sensing a magnetic field along the X, Y and Z axes. Each magnetic field sensing circuit includes an operational amplifier and a bridge chip having at least one electrical conductor. The operational amplifier is electrically connected to the at least one electrical conductor of the bridge chip for receiving a portion of a current flowing through the at least one electrical conductor. The operational amplifier provides an output voltage based on a magnitude of the portion of the current flowing through the at least one electrical conductor. The multi-axis magnetometer further includes a voltage regulator for providing an operating voltage. A method is also provided for fabricating the multi-axis magnetometer which includes the steps of providing at least one bridge chip having at least one electrical conductor on a motherboard; providing at least one operational amplifier to the motherboard; electrically connecting the at least one electrical conductor to the at least one operational amplifier; providing at least one bridge chip having at least one electrical conductor on a daughterboard; providing…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.