Navigation system, portable terminal device, and vehicle-mounted device

A technology for a portable terminal and an in-vehicle device, applied in the field of in-vehicle devices, can solve the problem of becoming a high-priced system, and achieve the effect of suppressing the duplication of resources
CN101828094BInactive Publication Date: 2012-09-26FUJITSU GENERAL LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
FUJITSU GENERAL LTD
Publication Date
2012-09-26
Estimated Expiration
Not applicable · inactive patent

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Abstract

A navigation device is constructed such that a vehicle-mounted device collects position information and movement information on a vehicle, provides a portable terminal device with the collected information, and displays image data received from the portable terminal device, and that the portable terminal device acquires map information from a map center device based on the position information and movement information received from the vehicle-mounted device, calculates the current position of the vehicle based on the position information and movement information received from the vehicle-mounted device, and creates image data formed by overlaying the calculated current position on the acquired map information.
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Description

technical field

[0001] The present invention relates to a navigation system, a portable terminal device, and a vehicle-mounted device that provide route information including the current position of the vehicle by using a vehicle-mounted device mounted on a vehicle and a portable terminal device carried by a passenger, and particularly relates to a system that suppresses A navigation system, a portable terminal device, and an in-vehicle device that can perform accurate navigation while duplicating resources. Background technique

[0002] There is known a car navigation system that calculates the current position by using GPS (Global Positioning System), gyroscope, vehicle speed sensor, etc. to synthesize the position of the vehicle and map information about surrounding roads or buildings, and then display it on a display.

[0003] In addition, as the performance of portable terminal devices such as mobile phones and PDAs (Personal Digital Assistant) has improved, navigation ...

Claims

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