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:
Sep. 13, 1983
Filed:
Nov. 25, 1980
Applicant:
Inventors:
Hiroshi Kuribayashi, Tokorozawa, JP;
Atsuo Ikeda, Tokorozawa, JP;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
369216 ; 318687 ; 369219 ; 369226 ; 369243 ;
Abstract
A drive control system for a linear motor having a stator and a sliding member capable of sliding along the stator. A position detector comprises an arrangement of light emitting elements and a detector, or the converse to produce a position signal. A comparator compares the position signal with a reference signal to produce an output drive signal for the linear motor.