Alps Alpine has been granted a patent for a magnetic sensor designed to minimize noise interference during current measurement in bus bars. The sensor features a unique terminal configuration and includes magnetic shields to enhance measurement accuracy by aligning with the bus bar’s dimensions. GlobalData’s report on Alps Alpine 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 Alps Alpine, Gesture-based recognition systems was a key innovation area identified from patents. Alps Alpine's grant share as of June 2024 was 46%. Grant share is based on the ratio of number of grants to total number of patents.
Current detecting apparatus with noise reduction features
The granted patent US12044709B2 describes a current detecting apparatus that integrates a plate-like bus bar with a magnetic sensor designed to measure the current flowing through the bus bar. The apparatus features a magnetic sensor with a main body that includes terminals extending from opposing sides. Notably, one terminal serves as a signal output for detection, while the other supplies electric power to the sensor. The design ensures that the signal and supply terminals extend from a portion of the main body that does not overlap with the bus bar, maintaining a clear separation. Additionally, the apparatus incorporates two plate-like magnetic shields that are parallel to the bus bar and positioned to sandwich both the bus bar and the magnetic sensor, ensuring that their plane centers are aligned.
Further specifications in the claims detail that the bus bar extends linearly, with the signal and supply terminals located on one side of the main body, avoiding overlap in the width direction. The main body is strategically positioned so that it does not overlap the bus bar in this direction. Moreover, the claims indicate that the bus bar extends in a direction different from its main extending direction on either side of the portion that overlaps with the main body, either distancing from or maintaining a fixed distance to the main body. This configuration aims to enhance the accuracy and reliability of current detection while minimizing interference from external magnetic fields.
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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.
