| 摘要 |
A measuring scale (1) has a tracks (2,3) detected by a scanning head. The scale comprises at least two sub-sections (1a to 1c). At least suitable one track (2,3,4) is provided for determining the absolute value of each sub-section reached using a further sensor device. The suitable track is at least part of the measuring track comprising one or more tracks. A switching device provides the total absolute value.
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