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:
Nov. 16, 2004
Filed:
Nov. 25, 2002
Applicant:
Inventor:
Hidekazu Nakamura, Tochigi, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 1/514 ;
U.S. Cl.
CPC ...
G02B 1/514 ;
Abstract
A rotational state detecting device including operation rings provided so as to be rotatable about a first axis, the operation rings each being rotated by external operation; support shafts each provided so as to be rotatable about a second axis different from the first axis; disk-shaped scales each supported by a respective one of the support shafts; sensors each detecting the rotation of a respective one of the scales; and rotation transmitting mechanisms for respectively transmitting the rotation of each of the operation rings to a respective one of the support shafts.