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:
Mar. 04, 2025
Filed:
Jul. 13, 2023
Canon Kabushiki Kaisha, Tokyo, JP;
Daisuke Akagi, Tokyo, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
According to an aspect of the present invention, a light-emitting chip includes: a plurality of light-emitting portions and a drive circuit. The drive circuit includes: first to fourth transferring unit, a first switch configured to switch between a first state in which start signals output by the fourth and third transferring units are output to the second and first transferring unit, respectively, and a second state in which the start signal output by the fourth and the third transferring units are output to the third and second transferring unit, respectively, and a second switch configured to switch between a third state in which the first and third transferring units and the first signal line are connected, and a fourth state in which the first and third transferring units and a second signal line are connected.