Scale reading apparatus

Details Scale reading apparatus Scale reading apparatus

2005-06-21

2008-09-09

Fulton, Christopher W (Department: 2859)

Geometrical instruments

Distance measuring

Scale reading position sensor

C033S0010PT

Reexamination Certificate

active

07421800

ABSTRACT:
A scale for a scale reading apparatus has a scale track with scale marks which form an incremental scale. The scale also has a set of reference marks. The scale has at least one additional track and different combinations of markers in the at least one additional track have different functions, for example reference mark enablers and right and left limit switches.

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patent: WO 03/006926 (2003-01-01), None

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