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:
May. 16, 1989
Filed:
Jan. 28, 1986
Applicant:
Inventors:
Masao Goto, Shirakawa, JP;
Hideaki Hayashi, Shirakawa, JP;
Assignee:
Nippon Columbia Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
369223 ; 369 32 ; 369219 ; 369244 ; 369249 ; 360106 ; 318577 ; 318625 ;
Abstract
An optical system moving apparatus having first and second driving motors, transmitting screws coupled to the first and second driving motors, and a moving table on which an optical system is mounted and which is coupled through the transmitting screws to the first and second driving motors, wherein the moving table is driven by a combined output of the first and second driving motors.