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 July 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 variable (set value) and an actual control variable (actual value). The design ensures that the emergency control circuit can take over seamlessly, maintaining voltage control even during disruptions.
Additionally, the claims detail the characteristics of the controlled systems within both circuits, emphasizing that the emergency control circuit's impedance is greater than that of the main control circuit. This design choice is intended to enhance the reliability of the emergency system. 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 configurations for the electric connecting components, including resistors and unidirectional blocking components, which facilitate the necessary voltage control while preventing undesired current flow. Overall, the invention aims to provide a robust solution for maintaining voltage stability in critical applications where safety is paramount.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
