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:
Jan. 03, 2012
Filed:
Mar. 13, 2009
Takeshi Sowa, Matsumoto, JP;
Yujiro Nomura, Shiojiri, JP;
Ken Ikuma, Suwa, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
An exposure head, includes: a substrate that is provided with a first light emitting element, a second light emitting element that is arranged at one side of the first light emitting element in a first direction and a third light emitting element that is arranged at the one side of the second light emitting element in the first direction, the first light emitting element and the second light emitting element being arranged at a first distance from each other in the first direction, the second light emitting element and the third light emitting element being arranged at a second distance, which is different from the first distance, from each other in the first direction; and an imaging optical system that images light from the first, the second and the third light emitting elements.