Resettable motor vehicle maintenance interval monitor by...

Details Resettable motor vehicle maintenance interval monitor by... Resettable motor vehicle maintenance interval monitor by...

2006-10-31

2006-10-31

Crosland, Donnie L. (Department: 2612)

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

C340S457000, C340S457400, C701S029000, C701S030000

Reexamination Certificate

active

07129827

ABSTRACT:
A vehicle maintenance interval monitoring system designed to alert the motor vehicle's operator of performing preventive maintenances. The system uses operation time of the vehicle as maintenance scheduling interval. The system includes a device that includes a input/output port, display unit, battery as power source, and a vibration sensor and RF antenna connected to a microprocessor. The microprocessor has a EEPROM, Flash memory, and a main processor. Various information are transmitted to the device and stored in the EEPROM by a computer. Main processor performs functions programmed into the Flash memory. This vibration sensor detects vibration and RF antenna gets a signal when the engine is on and activates counters stored in the microprocessor. The operation time of the vehicle is stored in the EEPROM for each preventive service. In operation, the microprocessor generates various maintenance alert signals at predetermined accumulated times.

REFERENCES:
patent: 4910678 (1990-03-01), Kubozono et al.
patent: 4987403 (1991-01-01), Apfel
patent: 5714925 (1998-02-01), Lee et al.

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