Patent · US Active

Position/displacement measuring system with an encoded scale body

US8179129B2 · kind B2 · utility

5Cited by

3References

27Claims

0Family size

Assignee

BALLUFF GMBH · DE

Inventors

Thomas Burkhardt · Cary, US
Ralph Bauer · Eßlingen, DE

Key dates

Filing date	Oct 23, 2009
Grant date	May 15, 2012
Priority date	—
Expiry date	Dec 11, 2030

Classification

Technology area (CPC G)Physics
CPC primaryG01D5/2455
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

Position/displacement measuring system, comprising a sensor head and an encoded scale body, the scale body extending in a first direction and in a second direction lying transversely to the first direction, and the scale body having a region for incremental position determination with an encoding in the first direction and a region for absolute position determination with an encoding in the second direction, the sensor head having a first sensor device with a sensor resolution parallel to the first direction, which is associated with the region for incremental position determination, and the sensor head having a second sensor device with a sensor resolution in a second direction, which is associated with the region for absolute position determination.

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