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.

Date of Patent:
Aug. 17, 2010

Filed:

Oct. 26, 2006
Applicants:

Tadayuki Ueda, Kokubunji, JP;

Hiroyuki Watanabe, Hachioji, JP;

Akifumi Isobe, Hidaka, JP;

Yoshihito Sasamoto, Hachioji, JP;

Takashi Nara, Niiza, JP;

Inventors:

Tadayuki Ueda, Kokubunji, JP;

Hiroyuki Watanabe, Hachioji, JP;

Akifumi Isobe, Hidaka, JP;

Yoshihito Sasamoto, Hachioji, JP;

Takashi Nara, Niiza, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01B 11/24 (2006.01);
U.S. Cl.
CPC ...
Abstract

A signal processing apparatus comprising: an optical sensor for outputting a detection signal by detecting a surface of a recording medium on which a correction image is to be formed; and a control section configured to obtain a detection signal of the surface of the recording medium with the correction image from which a dominant frequency component has been deleted by making reverse frequency analysis of an analysis signal that has been obtained by making a frequency analysis of a detection signal outputted by the optical sensor detecting the surface of the recording medium on which the correction image it formed.


Find Patent Forward Citations

Loading…