Codan has been granted a patent for an antenna design for handheld metal detectors. The antenna includes a housing with a bottom plane facing the soil, two lateral sides, a front side, and a rear side. The winding within the housing is positioned closer to the bottom plane near the lateral sides compared to the front and rear sides. The design aims to improve the detection of targets in the soil. GlobalData’s report on Codan 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 Codan, virtual banking assistant was a key innovation area identified from patents. Codan's grant share as of June 2023 was 1%. Grant share is based on the ratio of number of grants to total number of patents.
Handheld metal detector antenna with optimized winding placement
A recently granted patent (Publication Number: US11658416B2) describes an antenna for a handheld metal detector used to detect targets in soil. The antenna is housed within a handheld device and includes multiple turns of conductors arranged in four sections: a front section, a rear section, and two lateral sections corresponding to the sides of the housing.
One key feature of the antenna is that at least 20% of the outer perimeter of the winding in the front section, the rear section, or both, is further away from the bottom plane of the housing compared to the lateral sections. This design allows for improved detection capabilities when scanning the soil for targets.
The antenna also has an elongated cross-sectional profile, which extends closer to a direction parallel to the bottom plane near the lateral sides of the housing and closer to a direction orthogonal to the bottom plane near the front and rear sides of the housing. In some embodiments, the elongated cross-sectional profile near the lateral sides is perpendicular to the elongated cross-sectional profile near the front and rear sides.
The patent claims that the antenna can function as a transmitter, a receiver, or both, for the handheld metal detector. This suggests that the antenna is versatile and can be used for both sending and receiving signals during the detection process.
Overall, the granted patent describes an innovative antenna design for a handheld metal detector that improves detection capabilities when searching for targets in soil. The unique arrangement of conductors and the elongated cross-sectional profile of the antenna contribute to its enhanced performance. The patent also covers a handheld metal detector that incorporates this antenna design.
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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.
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.
