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:
Dec. 03, 2002
Filed:
Nov. 05, 1999
Applicant:
Inventor:
Detlef Niggemann, Bueren-Steinhausen, DE;
Assignee:
Hella KG Hueck & Co., Lippstadt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 1/900 ;
U.S. Cl.
CPC ...
G06F 1/900 ;
Abstract
A diagnostic system of an LED lamp system for a motor vehicle has a light control module for controlling an LED lamp via a supply wire and in case of malfunction, the LED lamp sends a diagnostic signal via the supply wire to the light control module. Additionally, the LED lamp, in case of malfunction, modulates a received current with a switchable current sink, whereby the light control module receives coded diagnostic information via the supply wire.
Niggemann, Detlef. (2002). Diagnostic system for an led lamp for a motor vehicle (U.S. Patent No. 6490512). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6490512
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile