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Block information display device and central device

A technology of information display device and center device, which is applied to measurement devices, arrangement of variable traffic indications, instruments, etc., and can solve problems such as poor visual recognition.

Inactive Publication Date: 2009-04-15
DENSO CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] However, when the traffic information is superimposed and displayed on the section of the curved road, since a plurality of consecutive traffic information are displayed in a polygonal line display format, there is a problem that the visibility is deteriorated.

Method used

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  • Block information display device and central device
  • Block information display device and central device
  • Block information display device and central device

Examples

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Embodiment Construction

[0017] Hereinafter, an embodiment in which the present invention is applied to a car navigation device will be described with reference to the drawings. FIG. 1 shows the configuration of a car navigation device by combining functional blocks, and FIG. 2 schematically shows the overall configuration of the system.

[0018] A car navigation device 1 mounted on a vehicle (so-called traffic jam information display device in the present invention) and a center device 2 installed in a traffic information center are configured to be able to communicate via a mobile communication network. The car navigation device 1 and the center device 2 have an N (unspecified number) to 1 relationship, and the center device 2 is configured to be able to communicate with an unspecified plurality of car navigation devices 1 via a mobile communication network.

[0019] The car navigation device 1 is equipped with a control unit 3 (the control mechanism of the so-called congestion information display d...

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Abstract

A blocking information displaying apparatus and center apparatus. A vehicle-mounted navigation apparatus (1) receives a plurality of continuous blocking information from the center device (2), when the angles of joint points connecting theses continuous blocking information satisfy the prescribed condition, the continuous blocking information are connected as a blocking information following the section shape of the road map, and then displayed. So that the blocking information can be displayed in an appropriate display mode, and meaningful blocking information can be provided to the drivers.

Description

technical field [0001] The present invention relates to a traffic jam information display device and a center unit used in a system constituted as follows, in which the center unit generates a rule indicating a traffic jam level based on detection data (current position, direction, vehicle speed) received from a vehicle. The traffic jam information (jamming line) of the length is distributed to the traffic jam information display device, and the traffic jam information display device superimposes and displays the traffic jam information received from the center device on the link of the road map data. Background technique [0002] Conventionally, a center device generates traffic information (congestion line) of a predetermined length indicating the traffic level based on the probe data (current position, direction, vehicle speed) received from the car navigation device and distributes it to the car navigation device, and the car navigation device will A system in which cong...

Claims

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Application Information

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IPC IPC(8): G08G1/09G01C21/26
CPCG01C21/3694G08G1/0969
Inventor 田中诚
Owner DENSO CORP
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