Safe Position Measuring Apparatus

摘要

A scanning head for scanning a material measure on which markings with a period are formed periodically in the measuring direction includes at least two individual sensors configured to produce sensor signals by scanning the markings. The scanning head further includes a digital signal processing apparatus configured to produce at least one highly accurate output signal from the sensor signals. The scanning head is configured to output at least two different types of output signals. The at least two different types of output signals comprises at least one safe output signal and the at least one highly accurate output signal.

主权项

1. A scanning head for scanning a material measure on which markings with a period are formed periodically in a measuring direction, comprising:
at least two individual sensors configured to produce sensor signals by scanning the markings; and a digital signal processing apparatus configured to produce at least one highly accurate output signal from the sensor signals, wherein the scanning head is configured to output at least two different types of output signals and the at least two different types of output signals includes at least one safe output signal and the at least one highly accurate output signal.