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:
Apr. 12, 2011
Filed:
Jan. 21, 2009
Kenji Yamaguchi, Matsumoto, JP;
Ken Ikuma, Suwa, JP;
Kenji Yamaguchi, Matsumoto, JP;
Ken Ikuma, Suwa, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
There is provided a method for controlling a line head including a focusing optical system, first light emitters, light from which being focused by the focusing optical system, second light emitters disposed next to the first light emitters in a first direction, light from the second light emitters being focused by the focusing optical system, and third light emitters disposed next to the second light emitters in the first direction, light from the third light emitters being focused by the focusing optical system. The method includes turning on the first light emitters at time t, turning on the second light emitters after a period thas passed since the time t, and turning on the third light emitters after a period thas passed since the time t. The periods tand tare controlled under the following condition: t≠n×t(n is an integer two or greater).