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:
Jun. 09, 1998
Filed:
Jun. 19, 1996
Applicant:
Inventors:
Hiroyuki Hase, Kanagawa-ken, JP;
Akihiro Namai, Kanagawa-ken, JP;
Assignee:
Canon Kabushiki Kaisha, , US;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ; G03B / ;
U.S. Cl.
CPC ...
396 73 ; 359675 ;
Abstract
An optical apparatus includes an optical unit which is arranged to be inserted into and retracted from an optical path, a fixed tube, and a restricting member which is disposed at the fixed tube and restricts a position of the optical unit in a direction of an optical axis thereof when the optical unit is in a state of being inserted into the optical path.