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:
Nov. 17, 2015

Filed:

Jun. 13, 2014
Applicant:

Tomohiro Sasa, Kanagawa, JP;

Inventor:

Tomohiro Sasa, Kanagawa, JP;

Assignee:

Ricoh Company, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 1/407 (2006.01); G06T 5/00 (2006.01); B41J 29/38 (2006.01); H04N 1/00 (2006.01); H04N 1/028 (2006.01);
U.S. Cl.
CPC ...
H04N 1/00755 (2013.01); H04N 1/0075 (2013.01); H04N 1/02815 (2013.01);
Abstract

An image forming apparatus includes a detection unit that emits light on a recording medium or a platen and detects reflected light while the detection unit moves in a direction perpendicular to a transportation direction of the recording medium; a width calculation unit that compares a value indicative of light intensity responsive to the reflected light with a threshold, and calculates a width of the recording medium measured from a position of the detection unit where the value indicative of light intensity responsive to the reflected light becomes greater than or equal to the threshold; an image formation unit that performs an operation of forming an image based on the calculated width of the recording medium; and an image formation control unit that halts the operation of forming the image upon detecting that the calculated width is less than or equal to a predefined value.


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