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:
Jul. 15, 1997
Filed:
Jun. 20, 1995
Applicant:
Inventor:
Ryuichi Iwanaga, Tokyo, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
369 4414 ; 369 4438 ; 369 4437 ; 369 4417 ;
Abstract
An optical information recording/reproducing apparatus includes a light source unit for emitting plural light beams for information recording and/or reproduction toward an optical information recording medium, an optical head on which the light source unit is mounted, and a frame of the apparatus on which the optical head is mounted. The apparatus is further provided with an adjusting mechanism for adjusting the positional relationship of the plural light beams relative to the optical information recording medium. The adjusting mechanism is formed at the mounting portion of the optical head and the frame of the apparatus.