ELMOS Semiconductor has patented a control method for safety-relevant loads, featuring a main control circuit and an emergency control circuit. The emergency circuit activates automatically if the main circuit fails, ensuring voltage regulation remains effective even during interruptions, enhancing safety in voltage management. GlobalData’s report on ELMOS Semiconductor 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 ELMOS Semiconductor, Photonic quantum communication was a key innovation area identified from patents. ELMOS Semiconductor's grant share as of June 2024 was 50%. Grant share is based on the ratio of number of grants to total number of patents.
Voltage control method for safety-relevant loads
The patent US12036934B2 outlines a method and device for controlling voltage to safety-relevant loads that are sensitive to voltage fluctuations outside a designated safe operating range. The system employs a dual control mechanism consisting of a main control circuit and an emergency control circuit. The main control circuit is responsible for voltage regulation under normal conditions, while the emergency control circuit activates automatically in the event of an interruption in the main circuit. Both circuits utilize a common controller that processes a control deviation variable, defined as the difference between a reference set value and the actual voltage value. The design ensures that the emergency control circuit can take over seamlessly, maintaining voltage stability and safety.
Additionally, the claims detail the characteristics of the controlled systems within both circuits, emphasizing that the emergency control circuit has a higher impedance than the main control circuit. This design choice is intended to prioritize the main control circuit during normal operation while allowing the emergency circuit to function effectively when needed. The feedback mechanism includes a voltage divider to ensure that the control signal fed back to the common controller is appropriately scaled. The patent also describes various components, such as resistors and unidirectional blocking components, that facilitate the control process. Overall, the invention aims to enhance the reliability and safety of voltage control in sensitive applications, ensuring that safety-relevant loads operate within their designated parameters.
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