The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 13, 2015
Filed:
Oct. 31, 2012
Kiichiro Nishina, Kanagawa, JP;
Makoto Hirakawa, Kanagawa, JP;
Hibiki Tatsuno, Kanagawa, JP;
Yasuyuki Shibayama, Kanagawa, JP;
Takanobu Osaka, Kanagawa, JP;
Kiichiro Nishina, Kanagawa, JP;
Makoto Hirakawa, Kanagawa, JP;
Hibiki Tatsuno, Kanagawa, JP;
Yasuyuki Shibayama, Kanagawa, JP;
Takanobu Osaka, Kanagawa, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
Disclosed is an enlargement optical system configured to form an image of an object at an enlargement side, including a lens system and a mirror system in order from a side of the object, the lens system including at least one lens, the mirror system including a first mirror and a second mirror in order from a side of the object, and the second mirror being an concave mirror, wherein an intermediate image conjugate to the object is formed at a side of the object with respect to the second mirror and the first mirror is held to be capable of adjusting a position thereof.