DIGITAL ELECTRONIC TACHOGRAPH Russian patent published in 2020 - IPC G07C5/00 G07C5/08 

FIELD: instrument engineering.

SUBSTANCE: invention relates to instrument engineering. Digital electronic tachograph comprises an on-board device, an internal power supply connected to the central processing unit, a navigation cryptographic device, a memory unit, a real-time clock, a thermal printer, a display unit, card readers, GLONASS/GPS GNSS modules with antennas, a unit with gyroscopes and accelerometers, communication and input/output devices. Central processing unit is connected to navigation cryptographic device with built-in real-time clock, a memory unit, a thermal printer, an indication unit, a keyboard, card readers, GLONASS/GPS GNSS modules with antennas, a unit with gyroscopes and accelerometers, communication and input/output devices. Thermal device comprises built-in thermal head temperature sensor with feedback to central processor. Backup battery is connected to central processor and real-time clock. Navigation cryptographic device also includes backup battery.

EFFECT: higher reliability of tachograph.

3 cl, 1 dwg