Method for automatically selecting navigation path in personal navigation device

A technology of navigation device and navigation route, which is applied in the direction of measurement device, road network navigator, radio wave measurement system, etc., can solve the problem of personal navigation device being unable to distinguish users and provide users, etc., to achieve great convenience and simplify navigation effect of the process

CN102200443BActive Publication Date: 2013-04-10MITAC INT CORP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Publication Date
2013-04-10

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Abstract

The invention relates to a method for automatically selecting a navigation path in a personal navigation device. The method comprises the following steps of: detecting mode switching from a driving mode to a walking mode in the personal navigation device, recording a vehicle place during mode switching from the driving mode to the walking mode, receiving a requirement of a user so as to generate a navigation instruction that the user arrives at a destination, and judging a distance from a current position to the destination; and when the distance from the current position to the destination is greater than or equal to a critical distance, providing a walking navigation instruction by the personal navigation device so as to guide the user to return to the vehicle place, and providing a driving navigation instruction by the personal navigation device so as to guide the user to arrive at the destination.
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Description

technical field

[0001] The present invention relates to a kind of personal navigation device (personal navigation device), especially relates to a kind of after the user parks the car and begins to walk, utilizes a personal navigation device to assist the user to determine whether to continue walking or return to the parking place and drive again. A method for automatically selecting a navigation route in a personal navigation device to reach a destination. Background technique

[0002] Navigation devices based on Global Positioning System (GPS) are well-known devices and are widely used in vehicles to provide navigation information for drivers. The functions of a general navigation device include providing a map database for displaying navigation instructions on a display of the navigation device. The navigation device is usually arranged on or in the instrument panel of the vehicle by adsorption or other erection methods.

[0003] The term "navigation device" refers to a...

Examples

Embodiment Construction

[0039] In order to further explain the technical means and effects that the present invention takes to achieve the intended invention purpose, below in conjunction with the accompanying drawings and preferred embodiments, the specific implementation of the method for automatically selecting a navigation route in a personal navigation device proposed according to the present invention , structure, step, feature and effect thereof, detailed description is as follows.

[0040] Please refer to figure 1 . figure 1 is a block diagram of the personal navigation device 10 of the present invention. The personal navigation device 10 includes a display 12 , a microphone 14 , a clock 15 , and a speaker 16 . The display 12 can be a touch screen, so that the user of the personal navigation device 10 can input commands and data through the touch screen. The personal navigation device 10 further includes a processor 18 for controlling the operation of the personal navigation device 10 and ...