Patent ID: 9470544
Filing Date: 2016-10-18
CPC Classification: B60R,G01C

Claim Text:
1. A vehicle navigation apparatus comprising: an in-vehicle unit, the in-vehicle unit includes a first processor and a second processor, the first processor is configured to display a road map containing a vehicle position on a display portion to provide travel guidance for a vehicle; and a detection unit adapted to operate by being supplied with power from the in-vehicle unit, and detects a current position and a travel direction of the vehicle and outputs the current position and the travel direction to the in-vehicle unit, wherein the in-vehicle unit includes: a first control portion, comprises the first processor, the first processor is further configured to: communicate with the detection unit to transmit vehicle information to the detection unit and to acquire the current position and the travel direction from the detection unit and provide the travel guidance; and a second control portion, comprising the second processor, the second processor is further configured to: in response to start of power supply to the in-vehicle unit, start up in a shorter time than the first control portion, and start supplying the power to the detection unit and collecting the vehicle information, wherein wherein the detection unit includes: wherein