Invention Grant
- Patent Title: LED traffic signal compensation and protection methods
- Patent Title (中): LED路灯信号补偿和保护方法
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Application No.: US12974449Application Date: 2010-12-21
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Publication No.: US08717194B2Publication Date: 2014-05-06
- Inventor: Truong-Khoa Nguyen , Benoit Essiambre , Michel Doss , Christian Poirier , Morné Neser
- Applicant: Truong-Khoa Nguyen , Benoit Essiambre , Michel Doss , Christian Poirier , Morné Neser
- Applicant Address: US OH Cleveland
- Assignee: GE Lighting Solutions, LLC
- Current Assignee: GE Lighting Solutions, LLC
- Current Assignee Address: US OH Cleveland
- Agency: Fay Sharpe LLP
- Main IPC: G08G1/095
- IPC: G08G1/095 ; H05B37/03

Abstract:
According to one aspect of the present disclosure, systems and methods for monitoring one or more operating parameters of a traffic lamp and adjusting light output of one or more light sources thereof to correct for one or more degradation factors are provided. According to another aspect of the present disclosure, systems and methods for monitoring one or more operating parameters of a traffic lamp and generating an indication if end of life is detected with the traffic lamp, where end of life is determined based on the one or more operating parameters. According to another aspect of the present disclosure, systems and methods for monitoring one or more operating parameters of a traffic lamp and entering the traffic lamp into a self-protected mode if a fault is detected with the one or more operating parameters.
Public/Granted literature
- US20120154176A1 LED TRAFFIC SIGNAL COMPENSATION AND PROTECTION METHODS Public/Granted day:2012-06-21
Information query
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