About 6,140,000 results
Open links in new tab
  1. Passive Infrared Sensor - an overview | ScienceDirect Topics

    Jul 8, 2009 · 3.2 Passive infrared sensor (PIR sensor) A PIR sensor is an electronic sensor used in motion detectors such as automatically triggered lighting devices and protection systems that …

  2. Sensitivity enhancement of Passive Infrared (PIR) sensor for motion ...

    Oct 1, 2021 · For the PIR sensor, coverage area, sensitivity, angle of view, and responsitivity are the main criteria required for better sensor performance. The dominant one is the sensitivity, which is the …

  3. Privacy-concerned averaged human activeness monitoring and normal ...

    Jan 1, 2025 · PIR sensors offer a non-invasive method that ensures the safety and confidentiality of individuals, making them a preferred choice for privacy-conscious monitoring solutions. By …

  4. Review of signal processing applications of Pyroelectric Infrared (PIR ...

    Dec 1, 2021 · The article reviews signal processing applications of Pyroelectric Infrared (PIR) sensors with the main focus on the respiration and pulse rate detect…

  5. Design of Smart Home Security System using Object Recognition and …

    Jan 1, 2018 · This research aims to design and implement a home security system with the capability for human detection. The traditional home security system, i.e. …

  6. Self-supporting flexible electrode-integrated microfluidic ECL sensor ...

    Nov 1, 2025 · The integration of electrochemiluminescence (ECL) sensor into microfluidic chip can greatly improve the convenience and reliability in bioanalysis, en…

  7. piR-hsa-35410 promotes triple-negative breast cancer progression via ...

    Dec 1, 2025 · This study identified piR-hsa-35410 (hereafter piR-35410) with aberrant expression and aimed to further elucidate its biological functions and mechanisms in TNBC. In TNBC, the elevated …

  8. CD40 induces PIR-A+ macrophages to promote chronic allograft …

    Mar 26, 2025 · Results CD40 and PIR-A were highly expressed and colocalized in macrophage-infiltrating allograft in the mouse model. CD40-CD40L blockade inhibited PIR-A expression and …

  9. Non-invasive occupancy estimation and space utilization in smart ...

    Nov 1, 2025 · This study addresses these limitations by exclusively utilizing two binary PIR sensors (in-door and in-room) and booking data. Since PIR sensors and booking systems are already integrated …

  10. The m6A hypermethylation-induced PIR overexpression regulates …

    Jul 28, 2025 · Here, we identified Pirin (PIR) as a key oncogenic factor in UM through comprehensive multi-omics analyses, revealing that PIR is significantly upregulated and correlates with poor …