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:
Jun. 02, 2026
Filed:
Nov. 27, 2024
Rohm Co., Ltd., Kyoto, JP;
Toru Takahashi, Kyoto, JP;
Rohm Co., Ltd., Kyoto, JP;
Abstract
Provided is a light-emitting element drive system including a leader light-emitting element drive device configured to be capable of driving light-emitting elements, and to include a DC/DC controller configured to be capable of controlling an output stage that can output an output voltage; and a plurality of follower light-emitting element drive devices configured to be capable of driving the light-emitting elements applied with the output voltage. The follower light-emitting element drive device includes at least one signal output terminal capable of outputting an operation information signal related to driving of the light-emitting elements. A plurality of the signal output terminals are connected to the same node, and the same node is connected to a signal input terminal of the leader light-emitting element drive device.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile