US Patent 7421800 Scale reading apparatus
Patent 7421800 was granted and assigned to Renishaw on September, 2008 by the United States Patent and Trademark Office.
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Patent 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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US Patent 07421800 Scale reading apparatus US Patent 7421800 Scale reading apparatus
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Patent Number
0742180000
Patent Number
742180000
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Official Website
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Infobox
Is a
Current Assignee
0
Patent Jurisdiction
Patent Number
074218000
Date of Patent
September 9, 2008
0Patent Application Number
116294660
Date Filed
June 21, 2005
0Official Website
Patent Primary Examiner
Edits on 23 Sep, 2022
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Infobox
Is a
Current Assignee
0
Patent Jurisdiction
Patent Number
074218000
Date of Patent
September 9, 2008
0Patent Application Number
116294660
Date Filed
June 21, 2005
0Official Website
Patent Primary Examiner
Edits on 14 Jun, 2022
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US Patent 07421800 Scale reading apparatus
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07421800
Date of patent
September 9, 2008
Patent application number
11629466
Date Filed
June 21, 2005
Patent primary examiner
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