Patent · US Active

Metal sensor

US9638825B2 · kind B2 · utility

1Cited by

5References

12Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Markus Hahl · Ditzingen, DE
Tobias Zibold · Stuttgart, DE

Key dates

Filing date	Sep 24, 2012
Grant date	May 2, 2017
Priority date	—
Expiry date	Oct 1, 2032

Classification

Technology area (CPC H)Electricity
CPC primaryH05K2201/00
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A metal sensor includes a primary coil, a compensation coil, a first additional coil, and a magnetic field sensor. The first additional coil is configured to be excited without the primary coil and the compensation coil being excited.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.