DEVICE FOR PRESTARTING CHECKING OF OPERATING PARAMETERS AND INDICATION OF EMERGENCY AND INADEQUATE CONDITION OF AUTOMOBILE FUNCTIONAL UNITS Russian patent published in 1998 - IPC

FIELD: transport engineering: automobile checking devices. SUBSTANCE: device has four comparators whose inputs are connected to outputs of automobile voltage transmitters, cooling liquid temperature transmitter, emergency oil pressure contact transmitter, brake failure transmitter, parking brake transmitter and turn indicator transmitter. If one of parameters under checking comes out of tolerable limits, respective comparator operates to start low frequency generator coupled with sound signalling device, thus attracting attention of driver to readings of instruments on dashboard. EFFECT: enhanced reliability of checking. 4 cl, 1 dwg