Patent ID: 11971266
Assignee: SONY GROUP CORPORATION
Field: Measurement (Instruments)
Classification: CPC G  B  Y | IPC G

Claim 0:
1. A navigation device for an electric vehicle comprising:
at least one processor configured as a route search unit;
a recording unit including gradient information for a road recorded therein;
a power information holding unit including electrical power consumption information of the electric vehicle with consideration of a gradient information and regenerative electrical energy information of the electric vehicle with consideration of the gradient information;
a current location acquisition unit including a current location of the electric vehicle; and
a navigation control unit, wherein the navigation control unit calculates electrical power consumption of the electric vehicle, which was searched for by the route search unit, based on at least the gradient information and power information including the regenerative electrical energy information of the electric vehicle with consideration of the gradient information, and wherein the at least one processor is configured to cause a display unit to display a route to the destination, and display a warning when a remaining amount of electric power will become insufficient to the destination based on the calculation by the navigation control unit.