Vehicle-mounted apparatus, navigation information output method, portable telephone and vehicle navigation system

Abstract

The invention relates to a vehicle-mounted apparatus, a navigation information output method, a portable telephone and a vehicle navigation system, and provides a safe effective navigation information output manner. The vehicle navigation system possesses the portable telephone and the vehicle-mounted apparatus. The portable telephone possesses a current-position acquiring part, an input part, a reception part, a navigation information generation part and a sending part, the portable telephone generates navigation information comprising navigation route information, traffic information and map information and sends to the vehicle-mounted apparatus. The vehicle-mounted apparatus possesses a reception part, a first output part, a second output part and a switching part, and at least two of the following three modes are switched according to the navigation information: an output mode only employing sound, an output mode only employing projection, and an output mode employing both sound and projection.

Description

technical field [0001] The invention relates to the field of vehicle navigation, in particular to an output method of navigation information. Background technique [0002] The advent of navigation equipment has provided many conveniences for going out and driving. Traditional navigation equipment (such as car navigator or PND) usually realizes the navigation function by the internal GPS module, GIS digital map file and operation module. The results are displayed on the LCD screen or announced in the form of voice prompts. [0003] In terms of navigation information output, the above-mentioned traditional navigation devices at this stage have a small screen and require the driver to adjust their sight to pay attention to the lack of navigation information, which virtually increases the risk of driving. Aiming at this point, many scholars and researchers try to use HUD (Head-Up Display) technology to make up for it. For example, Patent Document 1 discloses a navigation syste...

AI Technical Summary

Problems solved by technology

That is, although the use of HUD technology can avoid the unsafe factors caused by adjusting the line of sight when driving, if the projected navigation screen is too simple, it will not achieve a good navigation effect. For example, in Patent Document 1, when a When driving on a road with many forks and twists and turns, it is difficult to tell which fork to take with only one arrow

Conversely, if too many complex navigation images are projected onto the front windshield, it will still affect the driver's field of vision and increase the risk of driving

[0009] On the other hand, although the output of navigation information through voice broadcast can completely avoid interference to the driver's line of sight, as far as the current navigation equipment is concerned, the voice speed of voice broadcast is mostly slow, and it is easy to miss a turning or turn when driving on a short road. Unable to change lanes in time

[0010] Therefore, in the prior art, there is a technical problem of lacking a safe and effective way of outputting navigation information

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