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:
Mar. 20, 1979
Filed:
May. 17, 1977
Applicant:
Inventors:
Yoshio Maeda, Katsuta, JP;
Koichi Matsumoto, Katsuta, JP;
Assignee:
Hitachi, Ltd., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05B / ;
U.S. Cl.
CPC ...
318696 ; 318138 ;
Abstract
A control apparatus for driving a pulse motor which receives from a computer or the like a command signal indicative of the number of drive pulses to be applied to the pulse motor within a given time interval in order to drive the pulse motor at a given rotating speed produces, in response to the command signal, drive pulses equal in number to the commanded number within that time interval, preferably with uniform distribution, and drives the pulse motor in accordance with the drive pulses.