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.

Date of Patent:
Mar. 06, 2001

Filed:

Nov. 10, 1999
Applicant:
Inventors:

Takayuki Iseki, Kanagawa-ken, JP;

Shingo Yagyu, Kanagawa-ken, JP;

Katsuhiko Oguri, Kanagawa-ken, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 2/608 ;
U.S. Cl.
CPC ...
G02B 2/608 ;
Abstract

A light deflection element has a pair of oscillating elements (,) and (,) having arms (,) and (,), and (,) and (,). respectively, the outer ends of which are fixed to a pair of supports (,) and (,) of a base (,), and the inner ends of which are free ends, a reflective mirror (,) disposed between arms (,) and (,), and arms (,) and (,) of the pair of oscillating elements (,) and (,), pairs of torsion springs (,and,) and torsion springs (,) and (,), linking the inner ends of the arms (,) and (,) and the inner ends of the arms (,) and (,), respectively, at a pair of positions that are symmetrical about an axis (L) that passes through the center of gravity of the reflective mirror, and a drive apparatus (D) for applying a drive force separately and independently to the oscillating elements (,) and (,), so as to move the inner ends of the arms (,), (,), (,), and (,) upward and downward separately and independently.


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