Airbus has filed a patent for a method of configuring a network of tire monitoring devices using an untrusted device. The method involves transmitting configuration data to the tire monitoring devices, verifying the data, and establishing secure communication between the devices. GlobalData’s report on Airbus 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 Airbus, photovoltaic drones was a key innovation area identified from patents. Airbus's grant share as of September 2023 was 62%. Grant share is based on the ratio of number of grants to total number of patents.

Method of configuring a network of tire monitoring devices

Source: United States Patent and Trademark Office (USPTO). Credit: Airbus SE

A recently filed patent (Publication Number: US20230311593A1) describes a method for configuring a network of tire monitoring devices using an untrusted device. The method involves transmitting configuration data from the untrusted device to individual tire monitoring devices and verifying that the data has been loaded correctly. Once both devices have been successfully configured, a command is sent to initialize the generation of a cryptographic parameter, establishing secure communication between the devices.

If the verification of the first configuration data fails, the method allows for re-attempting the verification and indicating a fault condition if the input continues to not be received. In such cases, the first configuration data can be re-transmitted to the first tire monitoring device, and further verification attempts can be made.

The configuration data can include information such as the location of the tire monitoring device on an aircraft wheel and the reference pressure for the corresponding tire. The verification of the configuration data can be done through a configuration data signal transmitted by the first tire monitoring device, which can be received and understood by a human interacting with the untrusted device.

The method also includes the use of visual signals, such as illuminating a light source on the tire monitoring device, to transmit the configuration data signal. The number encoded in the configuration data signal can be represented by an illumination sequence representing individual digits of the number.

The method allows for the untrusted device to receive the configuration data before transmitting it to the tire monitoring device. It can also send a command to wake up the tire monitoring device before transmitting the configuration data.

Once secure communication is established between the tire monitoring devices, a tire check can be initiated. The method can also be extended to configure a network of three tire monitoring devices, with the same verification and initialization steps.

The patent claims also mention the tire monitoring devices as tire pressure monitoring devices, indicating their specific application in monitoring tire pressure.

The patent further describes a tire monitoring network comprising the configured tire monitoring devices and an aircraft equipped with such a tire monitoring network.

In summary, the patent outlines a method for configuring a network of tire monitoring devices using an untrusted device, ensuring the correct transmission and verification of configuration data. The method enables the establishment of secure communication between the devices and can be applied to tire pressure monitoring devices in various applications, including aircraft.

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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.

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.