Halma has been granted a patent for a field spectral radiometer that includes a support structure, remote sensing head with optical elements for different wavelength ranges, and an instrumentation assembly for detection paths. The device may also feature a calibration assembly for accurate calibration. GlobalData’s report on Halma gives a 360-degree view of the company including its patenting strategy. Buy the report here.

According to GlobalData’s company profile on Halma, was a key innovation area identified from patents. Halma's grant share as of January 2024 was 54%. Grant share is based on the ratio of number of grants to total number of patents.

Field spectral radiometer with remote sensing head and calibration assembly

Source: United States Patent and Trademark Office (USPTO). Credit: Halma Plc

A field spectral radiometer has been granted a patent (Publication Number: US11885671B2) for its innovative design and functionality. The radiometer includes a support structure with a remote sensing head that has a central axis defining the viewing direction, along with first and second optical elements on either side of the axis for different wavelength ranges. An instrumentation assembly on the support structure includes detection paths associated with the optical channels, with specific components like diffraction-based spectrometers and semiconductor alloy-based detectors for accurate measurements.

Furthermore, the radiometer's design allows for a dynamic range greater than 1.5×105, ensuring precise and reliable data collection. The calibration process involves manipulating the field of view of the radiometer to measure solar radiance, atmospheric transmission, and surface reflectance. By reflecting solar light towards the system via a reflector array and adjusting the image signal based on these measurements, the radiometer provides calibrated data for accurate analysis. Additionally, the calibration of the radiometer involves rotating the deployment arm to position the remote sensing head in alignment with a calibration light source, ensuring consistent and accurate calibration for reliable results.

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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.