Essity has been granted a patent for a method and device to detect the presence and absence of creatures using radiation sensors and low-pass filters. The method involves comparing filter outputs to determine presence, setting thresholds, and adjusting parameters for accurate detection. GlobalData’s report on Essity 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 Essity, Incontinence monitoring sensors was a key innovation area identified from patents. Essity's grant share as of February 2024 was 56%. Grant share is based on the ratio of number of grants to total number of patents.
Method for detecting presence and absence of a creature
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A recently granted patent (Publication Number: US11928846B2) outlines a method and device for detecting the presence and absence of a creature using radiation sensors. The method involves applying low-pass filters to input signals with varying time constants, comparing filter outputs to predetermined values, setting thresholds based on these outputs, and adjusting them accordingly. The presence of a creature is determined by analyzing the slope of the filter outputs, with adjustments made to ensure accuracy within a predetermined tolerance. The device includes processing resources that perform these functions, along with additional steps such as waiting for specific time intervals and counting creatures based on detected presences and absences.
Furthermore, the patent details the use of different types of radiation sensors, including infrared sensors, thermopile sensors, cameras, optical sensors, and temperature sensors. Specifically, a thermopile sensor with a field of view of 5° or less is highlighted for its effectiveness in detecting creatures. The device's processing resources are also capable of determining the start and end of a creature's presence, enhancing the accuracy and efficiency of the detection process. Overall, the patented method and device offer a comprehensive and sophisticated approach to creature detection using radiation sensors, with a focus on precision and adaptability in various environments.
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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.
