logo

For the Inventor, By the Inventor

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.:

US 10472194 B1

PDFFull Text
Date of Patent:
Nov. 12, 2019

Filed:

Jan. 03, 2017

Current detecting device, motor controlling system, image forming apparatus, sheet conveying device, robot, and current detecting method

Applicants:

Takeo Seki, Kanagawa, JP;

Haruyuki Suzuki, Kanagawa, JP;

Takuya Murata, Tokyo, JP;

Hiroyuki Kiguchi, Kanagawa, JP;

Inventors:

Takeo Seki, Kanagawa, JP;

Haruyuki Suzuki, Kanagawa, JP;

Takuya Murata, Tokyo, JP;

Hiroyuki Kiguchi, Kanagawa, JP;

Assignee:

RICOH COMPANY, LTD., Tokyo, JP;

Attorney:

Harness, Dickey & Pierce, P.L.C.

Primary Examiner:

Giovanni Astacio-Oquendo

Assistant Examiner:

Alvaro E Fortich

Int. Cl.
CPC ...
G01R 15/14 (2006.01); B65H 7/20 (2006.01); B65H 5/06 (2006.01); G03G 15/00 (2006.01); H02P 6/18 (2016.01); H04N 1/00 (2006.01); H02P 6/16 (2016.01); H02P 6/28 (2016.01); G01R 19/00 (2006.01); H02P 27/08 (2006.01);
U.S. Cl.
CPC ...
B65H 7/20 (2013.01); B65H 5/06 (2013.01); G01R 15/146 (2013.01); G03G 15/6529 (2013.01); G03G 15/80 (2013.01); H02P 6/16 (2013.01); H02P 6/18 (2013.01); H02P 6/28 (2016.02); H04N 1/0032 (2013.01); H04N 1/00888 (2013.01); H04N 1/00904 (2013.01); B65H 2403/92 (2013.01); G01R 19/0092 (2013.01); G03G 2215/0129 (2013.01); H02P 27/08 (2013.01); H04N 2201/001 (2013.01); H04N 2201/0094 (2013.01);
Abstract

A current detecting device includes: a drive signal generating unit configured to generate a control signal based on a control voltage value indicating drive force to be applied to a target; a current detecting unit configured to detect a current value output based on the control signal generated by the drive signal generating unit; and a correction unit configured to correct the current value detected by the current detecting unit, based on at least a magnitude of the control voltage value.

Find Patent Forward Citations

Loading…