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. 03, 2003
Filed:
Apr. 04, 2001
Applicant:
Inventors:
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 7/02 ; G02B 1/514 ; G03B 3/10 ;
U.S. Cl.
CPC ...
G02B 7/02 ; G02B 1/514 ; G03B 3/10 ;
Abstract
The invention discloses an optical apparatus comprises an optical member, manual operation means for manually driving the optical member, a driving motor for electrically driving the optical member, determination means for determining either manual drive by the manual operation means or electrical drive by the driving motor, connection means for transmitting drive force by the driving motor to the optical member with a predetermined connection torque, and control means for varying the connection torque of the connection means based on the result of determination by the determination means.