Patent EP-4060527-A1 (EP)
Inventor: RAKIVNENKO VASYL
IPC: G06F21/32
Filed: 2022-03-15
Abstract: The object of the invention is a method for remotely checking alcohol content in exhaled air, applicable for conditioning access to workstations by means of a computer application. The creation of a suitable model allows development of a virtual assistant to support the work of the sobriety supervisor at the workstation. A method for remotely checking alcohol content in exhaled air, wherein alcohol concentration in exhaled air is measured using a checking device (UK), by default a breathalyser with radio transmission technology, is characterised in that a created set of reference data (DW) comprising individualising electronic traces of the checking device (UK) and a user (U) is stored in a web application data acquisition module (MGAW) on a server contained within a data analysis network infrastructure (ISAD), the said data are then used to train a deep convolutional neural network model the task of which is to classify and identify characteristic visual personal facial features of the users (U), individual characteristics that identify the checking device (UK) such as dimensions, and individual QR code or barcode, wherein this information is compared with the value of alcohol concentration in exhaled air, obtained from the checking device (UK), associated in a mobile device (UM) with the date, time, geographical location, and with the said predefined QR code or individualising barcode which are the electronic trace of the checking device (UK) and with the visual characteristics of the user (U) obtained from a camera of said mobile device (UM), additionally with fingerprints, an individual personalisation code of the user (U) entered manually into the mobile device (UM), wherein the information obtained being then digitised and saved in any format via telecommunication links on the above-mentioned server contained within the data analysis network infrastructure (ISAD) in the web application data acquisition module (MGAW) for comparison with reference information, wherein by means of telecommunications links, push or SMS notifications about the need to perform a test are sent from the said server to the mobile device (UM) at any time intervals, preferably at the same time of the day and time, obliging the user (U) to perform measurement activities under the condition that access to the workstation is allowed or denied, , wherein• if the result of measurement of alcohol concentration in the air exhaled by the user (U) measured by the checking device (UK) is within tolerance limits set in the (MGAW), then the data analysis network infrastructure (ISAD) server sends an information unblocking the access to the workstation,• if the result of measurement of alcohol concentration in the air exhaled by the user (U) measured by the checking device (UK) is above the tolerance limits set in the web application data acquisition block (MGAW), then the data analysis network infrastructure (ISAD) server sends an information blocking the access to the workstation,• if the data analysis network infrastructure (ISAD) server does not receive feedback on alcohol concentration in the air exhaled by the user (UK) from the checking device (UK) via the mobile device (UM) within the set time period, or receives incomplete information including only the result of measurement of alcohol concentration in exhaled air with incomplete individualising electronic trace of the checking device (UK) and the user (U), then the server sends the information blocking the access to the workstation,• if the result of measurement of alcohol concentration in the air exhaled by the user (U) measured by the checking device (UK) is consistent with or is above the tolerance set in the web application data acquisition block (MGAW) and the electronic trace of the checking device that identifies the device or the user is inconsistent, then the server sends the information blocking the access to the workstation.