US Patent 7969579 Rotary encoder apparatus
Patent 7969579 was granted and assigned to Renishaw plc on June, 2011 by the United States Patent and Trademark Office.
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Patent abstract
Rotary encoder apparatus is described that comprises one or more readheads and a radial scale. Each of the one or more readheads includes a light emitting portion for illuminating the radial scale and a light detecting portion for detecting interference fringes formed at a readhead analyzer plane. The readhead analyzer plane is tilted relative to the plane containing the radial scale. In a preferred embodiment, the readhead analyzer plane is tilted towards the center of rotation of the rotary encoder apparatus by the angle.
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Patent Inventor Names
Alan James Holloway0
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US Patent 07969579 Rotary encoder apparatus US Patent 7969579 Rotary encoder apparatus
Infobox
Patent Number
07969579
Patent Number
7969579
Edits on 8 Dec, 2021
Golden AI
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US Patent 07969579 Rotary encoder apparatus
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Is a
Current assignee
Patent jurisdiction
Patent number
07969579
Date of patent
June 28, 2011
Patent application number
12226972
Date Filed
April 25, 2007
Patent primary examiner
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