US Patent No. 10,624,164

ELECTRONIC BALLAST-BASED DEVICE FOR CONTROLLING ELECTRONIC CONTROL CIRCUIT AND LIGHTING LAMP


Patent No. 10,624,164
Issue Date April 14, 2020
Title Electronic Ballast-based Device For Controlling Electronic Control Circuit And Lighting Lamp
Inventorship Wei Wen, Shanghai (CN)
Assignee Opple Lighting Co., Ltd., Shanghai (CN)

Claim of US Patent No. 10,624,164

1. An electronic ballast-based device for controlling an electronic control circuit, comprising:an electronic ballast and an electronic control circuit which are connected with each other, wherein the electronic control circuit comprises a filament analog circuit, a rectifier bridge circuit, at least two frequency detection circuits connected in parallel, an interface logic circuit, and a switching circuit, and wherein:
the electronic ballast is connected with the switching circuit sequentially through the filament analog circuit and the rectifier bridge circuit; the at least two frequency detection circuits connected in parallel have one end connected between the filament analog circuit and the rectifier bridge circuit, or connected between the electronic ballast and the filament analog circuit, and another end connected with the interface logic circuit; the interface logic circuit is connected with the switching circuit, and the interface logic circuit is configured to control working logic between the at least two frequency detection circuits connected in parallel.