US Patent 7746566 Observation optical system
Patent 7746566 was granted and assigned to Olympus Group on June, 2010 by the United States Patent and Trademark Office.
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Patent abstract
An observation optical system has a negative lens unit including a cemented lens, arranged at the most object-side position; an annular reflecting mirror placed on the image side of the negative lens unit, with a reflecting surface facing the image side; and an imaging lens unit arranged on the image side of the negative lens unit and the annular reflecting mirror.
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Patent Inventor Names
Masayuki Mizusawa0
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US Patent 07746566 Observation optical system US Patent 7746566 Observation optical system
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Patent Number
077465660
Patent Number
77465660
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Current Assignee
Patent Jurisdiction
Patent Number
077465660
Date of Patent
June 29, 2010
0Patent Application Number
120995390
Date Filed
April 8, 2008
0Official Website
Patent Primary Examiner
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US Patent 07746566 Observation optical system
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07746566
Date of patent
June 29, 2010
Patent application number
12099539
Date Filed
April 8, 2008
Patent primary examiner
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