Detecting outages in an LED lamp assembly

• Main Authors: Ronald Brombach, John Barrs
• Format: Patent
• Language: English
• Published: 16.05.2018
• Subjects: ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING ORSUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES INGENERAL; ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; PERFORMING OPERATIONS; TRANSPORTING; VEHICLES IN GENERAL

Apparatus and systems are disclosed for detecting outages in an LED lamp assembly 100. A lamp assembly includes a plurality of LED circuits 112 serially connected together. The LED circuits include an LED 118, a first resistor 120 and an optocoupler 122. Also a sense line electrically coupled to one...