Gree Electric Appliances Inc of Zhuhai has been granted a patent for an isolation circuit system and signal isolation method. The system includes a power management unit, digital logic circuit, and isolation circuit to manage power down situations and signal processing between circuit areas for improved efficiency and safety. GlobalData’s report on Gree Electric Appliances Inc of Zhuhai gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Gree Electric Appliances Inc of Zhuhai, Smart climate control systems was a key innovation area identified from patents. Gree Electric Appliances Inc of Zhuhai's grant share as of January 2024 was 59%. Grant share is based on the ratio of number of grants to total number of patents.
Isolation circuit system for power management and signal processing
The granted patent (Publication Number: US11888307B2) discloses an isolation circuit system designed to manage power down situations in different circuit areas. The system includes a power management unit, a digital logic circuit, and an isolation circuit. When power down is detected in a circuit area, the power management unit outputs a signal to the digital logic circuit, which then processes the signal and outputs either an isolation signal or a connection signal to the isolation circuit based on the power status. The isolation circuit receives an interactive signal from the circuit area and either blocks it or outputs it to a second circuit area after voltage stabilization, where it can be further processed.
Furthermore, the system also involves a microprocessor that communicates with the digital logic circuit to provide additional signals based on power status in the circuit area. The digital logic circuit, which includes a NOR gate, processes signals from both the power management unit and the microprocessor before sending the appropriate signals to the isolation circuit. Additionally, the system incorporates AND gates in the isolation circuit to manage the interactive signal flow between circuit areas effectively. The method described in the patent involves outputting signals based on power status, processing them logically, and managing the flow of interactive signals through the isolation circuit for efficient power management and data transfer between circuit areas.
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