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A radio clock or radio-controlled clock (RCC) is a clock or watch that is automatically synchronized to a time code transmitted by a radio transmitter connected to a time standard such as an atomic clock. (Alarm clocks with broadcast radio receivers, a totally different concept, are often called "clock radios".) Such a clock may be synchronized to the time sent by a single transmitter, such as many national or regional time transmitters, or may use the multiple transmitters used by satellite navigation systems such as GPS. Such systems may be used to automatically set clocks or for any purpose where accurate time is needed. RC clocks may include any feature available for a clock, such as alarm function, display of ambient temperature and humidity, broadcast radio reception, etc.
Circadian rhythm lighting controller based on radio clock and LED driving module and lighting system having the same
PendingCN122160975AElectrical apparatusEnergy saving control techniquesTime informationControl signal
The application discloses a circadian rhythm lighting controller based on a radio clock, an LED driving module and a lighting system with the same, and the lighting controller comprises a radio clock module receiving time coding information in the form of low-frequency radio waves, a storage device storing lighting parameters related to the time information, an MCU module and a dimming controller; the MCU module receives a timing signal sent by the radio clock module and decodes the current time information; the storage device is accessed to find the lighting parameters matched with the current time; then the lighting instructions are obtained or converted; the dimming controller generates corresponding control signals according to the lighting instructions and sends the control signals to the driving circuit of the lighting load. The radio clock module directly receives the standard time coding signal emitted by the national time service station, and the time error can be controlled within milliseconds, so that an absolute accurate and never-drifting time source is provided for the circadian rhythm lighting.
Owner:SUZHOU CYANTRONIC TECH CO LTD