PGS has filed a patent for a marine sensor system designed to operate underwater. The system includes an enclosure with balanced parasitic capacitance to reduce noise interference, enhancing the sensor’s performance in water environments. GlobalData’s report on PGS 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 PGS, Underwater seismic device deployment was a key innovation area identified from patents. PGS's grant share as of January 2024 was 64%. Grant share is based on the ratio of number of grants to total number of patents.
Marine sensor system with balanced signal rejection
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A marine sensor system has been patented, consisting of an enclosure designed for immersion in water, a sensor with positive and negative output nodes, and parasitic capacitances between the output nodes and the enclosure. The system includes a differential amplifier and twisted pair conductors for signal input coupling, ensuring accurate data collection. The sensor design features planar sensing elements, conductive shells, and piezoelectric elements, with output nodes accessible outside the body for easy connectivity.
The sensor system's unique configurations cater to various marine applications, such as seismic streamers, ocean bottom cables, and hydrophones. The patent also covers individual sensors with conductive hollow cylinders and piezoelectric sensing elements, as well as sensors with insulative rings and parallel-wired sensing elements. The method of manufacturing involves precise placement of the sensor element within the enclosure to maintain equal parasitic capacitances, ensuring optimal performance in underwater environments. Additionally, the use of twisted pair conductors and scaled surface areas in the sensor design enhances signal accuracy and sensitivity, making it a valuable innovation in marine sensor technology.
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