Vishay Intertechnology has patented a current sense resistor with TCR compensation. The resistor includes a resistive strip between two conductive strips, with TCR calibration slots for achieving a negative starting TCR value. This innovation enhances precision in current sensing applications. GlobalData’s report on Vishay Intertechnology 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 Vishay Intertechnology, 3D memory devices was a key innovation area identified from patents. Vishay Intertechnology's grant share as of May 2024 was 50%. Grant share is based on the ratio of number of grants to total number of patents.
Current sense resistor with tcr compensation
A recently granted patent (Publication Number: US12009127B2) discloses a resistor with temperature coefficient of resistance (TCR) compensation. The resistor comprises a resistive element, a first conductive portion connected to one side of the resistive element, and a first slot within the first conductive portion. The first slot includes a first portion and a second portion that define a first sensing portion. Additionally, a second conductive portion connected to the opposite side of the resistive element includes a second sensing portion. The design of the resistor allows for TCR adjustment through the configuration of the slots and sensing portions, enhancing its performance in various applications.
Furthermore, the patent details the positioning and shapes of the slots within the conductive portions, emphasizing the impact on the TCR value of the resistor. By strategically locating the sensing portions adjacent to specific areas within the slots, the resistor can effectively compensate for changes in resistance due to temperature variations. The alignment of the sensing portions along the longitudinal axis of the resistor further contributes to its stability and accuracy in different operating conditions. Overall, the innovative design of this resistor offers improved TCR compensation, making it a valuable component in electronic circuits where precise resistance values are crucial for optimal performance.
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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.
