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:
Dec. 06, 2016
Filed:
Jan. 19, 2015
Natsuko Ishizuka, Kanagawa, JP;
Hiroyuki Kiguchi, Kanagawa, JP;
Takeo Seki, Kanagawa, JP;
Takuya Murata, Tokyo, JP;
Natsuko Ishizuka, Kanagawa, JP;
Hiroyuki Kiguchi, Kanagawa, JP;
Takeo Seki, Kanagawa, JP;
Takuya Murata, Tokyo, JP;
Ricoh Company, Limited, Tokyo, JP;
Abstract
A motor control device includes a controller configured to output a control signal to a motor driver, the control signal instructing the motor driver to cut off energization of a motor when the control signal and a signal changing depending on driving the motor do not change for a first time period, determine whether the motor is in a position hold state in which control for holding the motor at a position is executed, and change the control signal in a second time period shorter than the first time period when the motor is in the position hold state.