AUTHENTICATION OF DELIVERY THROUGH RESPONSE TO TIME MATCHING REQUEST Russian patent published in 2018 - IPC B41J2/175 

FIELD: information technology.

SUBSTANCE: device is designed to facilitate the authentication of the print cartridge, comprises a memory and a logic circuit for receiving the time-matching request from the host device and enabling the cartridge to be authenticated upon providing a response to the request during the response to the request, which falls into the expected time window, wherein the logic circuit is designed to perform the mathematical calculation in response to the time matching request, wherein the calculation issues a response to the request in the expected time window.

EFFECT: facilitating the authentication of the print cartridge.

15 cl, 5 dwg