Patent · US Active

Magnetic Encoder System wherein a first substrate is provided with a second substrate which rotatably engages the magnetic medium

US7405556B2 · kind B2 · utility

15Cited by

5References

13Claims

0Family size

Assignee

International Business Machines Corporation · US

Inventors

Marcus Breuer · Oppenheim, DE
Hubert Grimm · Mommenheim, DE
Hans-Guenter Kraemer · Wittlich, DE
Nikolaus Luckner · Ober-Olm, DE

Key dates

Filing date	Sep 29, 2006
Grant date	Jul 29, 2008
Priority date	—
Expiry date	Sep 29, 2026

Classification

Technology area (CPC G)Physics
CPC primaryG01D5/145
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A magnetic encoder system according to one embodiment includes a magnetic sensor mounted on a first substrate above a magnetic medium, the magnetic medium carrying at least one magnetic track, the sensor detecting changes in the magnetic track during a relative movement between the sensor and the magnetic medium. The first substrate is provided with a second substrate rotatably engaging the magnetic medium.

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