Penumbra has developed a system and method for automatically selecting the frequency of a magnetic field in a magnetic tracking system. The system includes a transmitter, receiver, and processor to optimize frequency selection based on minimizing jitter. This innovation enhances accuracy in position and orientation tracking. GlobalData’s report on Penumbra 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 Penumbra, Cardiothoracic surgery instruments was a key innovation area identified from patents. Penumbra's grant share as of February 2024 was 53%. Grant share is based on the ratio of number of grants to total number of patents.
Automatic selection of magnetic field frequency in tracking system
A recently granted patent (Publication Number: US11914005B2) discloses a system that includes a transmitter with magnetic coils, a receiver with sensor coils, and a processor. The system operates by generating a magnetic field at a specific frequency, sensing the field, determining expected and actual jitter, and adjusting frequencies to minimize excessive jitter. The processor provides accurate position and orientation data based on the frequency with minimal jitter, enhancing the system's overall performance and reliability.
Furthermore, the patent details a method and a non-transitory computer-readable storage medium embodying instructions for executing the method. Both involve generating magnetic fields at specific frequencies, analyzing jitter levels, and adjusting frequencies to reduce excessive jitter. By providing a precise indication of the receiver's position and orientation relative to the transmitter, the system ensures optimal functionality. The use of time-multiplexed magnetic fields and varying energy levels in different frequencies further enhances the system's efficiency and accuracy, making it a valuable innovation in the field of magnetic field sensing technology.
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