US Patent No. 10,602,581


Patent No. 10,602,581
Issue Date March 24, 2020
Title Lighting System
Inventorship Kuo-Tsun Lin, Taichung (TW)

Claim of US Patent No. 10,602,581

1. A lighting system comprising:a controlling device configured to receive an electrical signal from mains electricity, operate in one of a normal mode and a transition mode, enter the transition mode upon receiving a tuning signal, and enter the normal mode after a predetermined period of time has elapsed since a latest receipt of the tuning signal; and
a lighting device connected to said controlling device and including a plurality of light-emitting diodes (LEDs), said lighting device being configured to receive a control signal from said controlling device, and to set a color temperature of light emitted by said LEDs according to waveform of the control signal;
wherein said controlling device is configured, in the normal mode, to continuously output the electrical signal as the control signal, and in the transition mode, to generate a modified signal by modifying the electrical signal according to the tuning signal and to continuously output the modified signal as the control signal.