Jenoptik has developed an MTF testing apparatus with telescopic cameras mounted on a camera holder to capture images projected by lenses of a device under test. The processor receives image data from each camera to perform MTF measurements at different field positions. The design allows for easy detachment and reattachment of the cameras for efficient testing. GlobalData’s report on Jenoptik 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 Jenoptik, Lidar for weather forecasting was a key innovation area identified from patents. Jenoptik's grant share as of January 2024 was 38%. Grant share is based on the ratio of number of grants to total number of patents.
Mtf testing apparatus with telescopic cameras for lens field positions
A recently granted patent (Publication Number: US11846562B2) discloses a modulation transfer function (MTF) testing apparatus designed to evaluate the performance of lenses in devices under test. The apparatus includes a sample stage for holding the device under test, a camera holder with multiple telescopic cameras fixed at predetermined positions, and a processor connected to each camera via a data link. The telescopic cameras capture images projected by the lens of the device under test, and the processor computes MTF measurements based on the received image data. The camera holder features brackets that can be detached individually, with the telescopic cameras mounted on flat elements in a specific configuration to ensure accurate measurements at different field positions.
The MTF testing apparatus described in the patent features a unique design with detachable brackets and telescopic cameras mounted on flat elements. This configuration allows for precise MTF measurements at various field positions, ensuring comprehensive evaluation of the lens performance in the device under test. The use of a processor to analyze image data from multiple cameras enhances the efficiency and accuracy of the testing process, making it a valuable tool for assessing the optical quality of lenses in different devices. The patent also highlights the incorporation of heat sinks with cooling fins in the apparatus, emphasizing the importance of thermal management for optimal performance during testing.
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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.
