Denso had 26 patents in robotics during Q2 2024. The first patent describes a three-dimensional measurement system that uses a light projecting device and a light receiving device to calculate coordinates of a measuring object. A specular reflection member is used to reflect light at a specific angle, and only parts of the imaging data above a certain brightness threshold are used for calculations.
The second patent is for an interference determination device for a robot, which registers motion points and determines if the robot will interfere with obstacles along its path. The system considers factors such as allowable interference distance, positional error, and synchronization time error when determining if interference will occur. GlobalData’s report on Denso gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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Denso had no grants in robotics as a theme in Q2 2024.
Recent Patents
Application: Three-dimensional measurement system (Patent ID: US20240151518A1)
The patent filed by Denso Corp describes a three-dimensional measurement system that includes a measurement unit with a light projecting device and a light receiving device for imaging a measuring object. The system also features a specular reflection member that reflects projected light at a specific angle, a data acquisition unit, and a coordinate calculation unit. The light receiving device is positioned to capture images where the brightness is above a lower limit brightness. The system calculates three-dimensional coordinates for parts of the imaging data meeting this brightness threshold, omitting those below it. Additionally, the patent includes claims related to the color and reflective properties of the reflecting member, as well as the positioning of the light receiving device to avoid reflected light.
The patent further details variations of the three-dimensional measurement system, including different types of reflecting members such as black, specular, and retro reflective members. It also introduces a diffusing member that diffuses projected light, a light absorbing member that absorbs projected light, and a mesh structured holding table that allows light to pass through. The system calculates three-dimensional coordinates based on the brightness of the imaging data, with specific thresholds for upper and lower limits. The patent also includes claims related to the color and properties of the diffusing and light absorbing members, as well as the use of an incident angle filter and diffusely reflecting material in the light absorbing member.
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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.
