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. 10, 2016
Filed:
Aug. 20, 2012
Saiji Yamashita, Osaka, JP;
Minoru Haru, Osaka, JP;
Saiji Yamashita, Osaka, JP;
Minoru Haru, Osaka, JP;
Matsui Mfg. Co., Ltd., Osaka, JP;
Abstract
A drive control device is provided with a physical amount detection unit which detects the physical amount pertaining to the output of a motor, a rotational frequency determination unit for determining whether the rotational frequency of the motor is equal to or greater than a base rotational frequency, a threshold value selection unit for selecting a threshold value for the physical amount in accordance with the determination result of the rotational frequency determination unit, and a rotational frequency control unit for controlling the rotational frequency of a rotating shaft in accordance with the magnitude relationship between the detected physical amount and the selected threshold value.