Lectra has been granted a patent for a method and system that controls the projection of optical indicators onto a worksurface. The system utilizes a projection device and a measurement system to monitor and respond to the manipulation of a control object, enhancing interaction with the worksurface. GlobalData’s report on Lectra 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 Lectra, Welding robots was a key innovation area identified from patents. Lectra's grant share as of June 2024 was 67%. Grant share is based on the ratio of number of grants to total number of patents.
Controlling optical indicators projection on a worksurface
The patent US12025442B2 outlines a method and system for controlling the projection of optical indicators onto a worksurface. The method involves utilizing a projection device to project two distinct optical indicators, while a measurement system monitors the work area to locate and identify a control object marked with a specific marker. The system tracks the control object's position and any manipulations, such as physical movement or partial occlusion, to dynamically project the optical indicators in response. Additionally, the method allows for the alteration of the indicators based on changes to the control object's markers and includes the capability to project a feedback display that remains stable relative to the control object during its movement.
The projection system described in the patent comprises a projection device, a measurement system, and a controller that coordinates the interaction between these components. The projection device may utilize a laser projector, while the measurement system can include a photogrammetric device, such as a camera, to monitor the control object's position. The control object can take various forms, including gloves or tools, and may feature retro-reflective markers for enhanced detection. The system is designed to detect the control object's movements and communicate these changes to the controller, which in turn adjusts the projection of the optical indicators and feedback displays accordingly. This technology aims to improve the efficiency and accuracy of tasks performed on a worksurface by providing real-time visual feedback based on the control object's manipulation.
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