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:
Nov. 15, 2011
Filed:
Feb. 05, 2009
Takeru Okabe, Chiyoda-ku, JP;
Shiro Yonezawa, Chiyoda-ku, JP;
Nozomu Kamioka, Chiyoda-ku, JP;
Tomohisa Shoda, Chiyoda-ku, JP;
Masaki Horii, Chiyoda-ku, JP;
Yasufumi Ogawa, Chiyoda-ku, JP;
Osamu Ishikawa, Chiyoda-ku, JP;
Takeru Okabe, Chiyoda-ku, JP;
Shiro Yonezawa, Chiyoda-ku, JP;
Nozomu Kamioka, Chiyoda-ku, JP;
Tomohisa Shoda, Chiyoda-ku, JP;
Masaki Horii, Chiyoda-ku, JP;
Yasufumi Ogawa, Chiyoda-ku, JP;
Osamu Ishikawa, Chiyoda-ku, JP;
Mitsubishi Electric Corporation, Tokyo, JP;
Abstract
A control device for an automatic transmission includes a current detecting unit for detecting motor current. The current detecting unit has a counter for counting variation number of a rotational position signal output from a rotational position detecting unit for detecting the rotational position of a motor, and an electrical angle 180° judging unit for judging rotation of electrical angle 180° of the motor. A voltage occurring in a current detecting resistor is sampled at a timing of each integral multiple of the electrical angle of 180° judged in the electrical angle 180° judging unit, and rotation of the motor is controlled in accordance with the difference between motor target current calculated in the motor target current calculating unit and motor current.