Head-up display method in a motor vehicle, device and associated motor vehicle.

Abstract

A method for controlling a head-up display on the windshield (140) of a motor vehicle (100) comprising a projection device (120), the method being implemented in the motor vehicle (110), and being characterized in that it comprises the following steps: Receiving a physical quantity from a sensor (131) of the motor vehicle (100); Determining a first focal length from the physical quantity; Commanding the projection, by the projection device (120), of a graphic element onto the windshield (140), from the physical quantity, at the first focal length, the first focal length being an increasing function of the physical quantity, the physical quantity being a fuel tank level (130) of the motor vehicle (100) or a charge level of an electric battery of the motor vehicle (100). Figure for the abbreviation: Figure 1

Claims

orientable projectors, an orientation of the projector (131) and an orientation of the orientable mirror (132), so as to project, onto the windshield (140), the graphic element, at the first focal distance.

5. Control method according to any one of claims 1 to 3 wherein the projection device (120) comprises a plurality of orientable mirrors and an orientable projector (121'), the projection device being capable of: • Receiving the command (S30), and • Selecting (S40) a mirror (124') from the plurality of orientable mirrors, an orientation of the orientable projector (121') and an orientation of the mirror (124'), so as to project, onto the windshield (140), the graphic element, at the first focal distance.

6. Computer program comprising instructions, executable by a microprocessor or a microcontroller, for implementing the method according to any one of claims 1 to 5, when executed by the microprocessor or the microcontroller.

7. Electronic device (110) configured to implement the steps of the method according to any one of claims 1 to 5.

8. Motor vehicle (100) comprising the electronic device (110) according to the preceding claim. [Fig. 4] [Fig. 5]

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