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. 22, 1992
Filed:
Oct. 26, 1990
Applicant:
Inventors:
Yutaka Ueda, Nara, JP;
Tadashi Suzuki, Uji, JP;
Assignee:
Murata Kikai Kabushiki Kaisha, Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02P / ;
U.S. Cl.
CPC ...
318 87 ; 318 91 ;
Abstract
In an automatic winder wherein each of a plurality of winding units thereof has a traverse drum driving motor and an inverter for driving the motor, the numbers of those inverters which are to be decelerated and accelerated are controlled in such a manner that the regenerative energy generated upon deceleration of the motors and the motor driving energy may be cancel each other.