INRIX has been granted a patent for a method and system to notify drivers to assume manual control of autonomous vehicles. The system evaluates sensor data from on-board sensors and determines the complexity of the driving condition. If the complexity exceeds a threshold, a driver alert is generated at an appropriate time for the driver to take control. GlobalData’s report on INRIX 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 INRIX, AV navigation planning was a key innovation area identified from patents. INRIX's grant share as of September 2023 was 43%. Grant share is based on the ratio of number of grants to total number of patents.
Method for notifying driver to assume manual vehicle control
A recently granted patent (Publication Number: US11738768B2) describes a method for notifying a driver to assume manual vehicle control in autonomous driving mode. The method involves evaluating sensor data from on-board sensors to determine the driving condition of a road segment. If the driving condition exceeds a complexity threshold derived from the driver's cognitive load, a driver alert is generated to assume manual control. The timing of the alert is determined based on the driver's cognitive load and the driving condition in relation to the computational expense of resolving a driving action before reaching the road segment. The driver alert is then provided to the driver at the appropriate time.
The patent also includes additional features such as determining the driver's cognitive load by monitoring their activity, identifying potential alternate routes to avoid the road segment, utilizing travel prediction functionality to predict the vehicle's route, receiving driving condition data from a remote computing device to augment the sensor data, and setting the complexity threshold based on the time required to determine an appropriate driving action.
Furthermore, the patent describes a system comprising a processor and memory that performs the operations outlined in the method. It also includes a non-transitory machine-readable medium with processor-executable instructions for notifying the driver to assume manual vehicle control.
Overall, this patent presents a method and system for effectively notifying a driver to take manual control of a vehicle in autonomous driving mode based on the complexity of the driving condition and the driver's cognitive load. The inclusion of additional features enhances the accuracy and efficiency of the notification process.
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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.
