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Vehicular display system and method

a technology of vehicle display and display device, which is applied in the direction of road vehicle traffic control, traffic control system, instruments, etc., can solve the problems of ineffective utilization of lcd display device of meter display, inability to display information that a user demands, and map display device not working in coordination with meter ecu that controls the meter display. achieve the effect of easy reading for a user

Active Publication Date: 2010-09-21
DENSO CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0007]The present invention addresses the above disadvantages. Thus, it is an objective of the present invention to provide a vehicular display system and method, which provides map information and the like, which are easy to read for a user.

Problems solved by technology

However, the map display device does not operate in coordination with a meter ECU that controls the meter display.
Thus, the LCD display device of the meter display is not utilized effectively.
Moreover, since the images are switched according to the speed of the vehicle, information that a user demands may not be displayed.
Hence, switching the screen displays according to the speed of the vehicle may not allow the user to readily obtain required information, because it may take him / her a long time to ‘look for the speedometer’.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

first modification

(First Modification)

[0072]The display size change processing may be performed in the meter ECU 40. To employ such a configuration, step S5 in FIG. 5 is not performed by the navigation program 21p, and the navigation map drawing data is directly transmitted to the meter ECU 40. Then, in the meter control program 41p after step S13 in FIG. 6, production (that corresponds to step S5 in FIG. 5) of the meter map drawing data is carried out, thereby changing the display size of the navigation map drawing data, and producing the meter map drawing data. The meter display size table is stored in the external memory 45.

second modification

(Second Modification)

[0073]Furthermore, the display size change processing may be performed both in the navigation device 100 and in the meter ECU 40. To employ such a configuration, in the meter control program 41p after step S13 in FIG. 6, the production (that corresponds to step S5 in FIG. 5) of the meter map drawing data (transmitting navigation data) is carried out. Then, the display size of meter map drawing data (the transmitting navigation data) (in which the display size has already been changed), which is transmitted from the navigation device 100, is changed again, thereby producing new meter map drawing data. The meter display size table is stored in the external memory 45 as well.

[0074]The display size change processing may be performed in the meter ECU 40. In the navigation device 100, in this case, the information obtained from another in-vehicle control device via the in-vehicle LAN 27 and / or from the external device such as the VICS center 14, and contents of the us...

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PUM

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Abstract

A vehicular display system includes an in-vehicle navigation device and a vehicular meter device. The in-vehicle navigation device includes a display, a navigation data producing device for producing first data that is to be displayed on the display, and a transmitting device for transmitting intermediate data to the vehicular meter device. The vehicular meter device includes a receiving device for receiving the intermediate data from the in-vehicle navigation device and a navigation data display area for displaying second data. A display size changing device for changing the first data into the second data is included in at least one of the in-vehicle navigation device and the vehicular meter device. A display size of the first data is different from the display size of the second data.

Description

CROSS REFERENCE TO RELATED APPLICATION[0001]This application is based on and incorporates herein by reference Japanese Patent Application No. 2005-280577 filed on Sep. 27, 2005.FIELD OF THE INVENTION[0002]The present invention relates to a vehicular display system.BACKGROUND OF THE INVENTION[0003]Recently, besides a conventional mechanical meter, an image display device using a liquid crystal panel or the like, is employed as a display device for a vehicular meter panel. The image display device has an advantage of fully controlling a setting of a display design and a layout.[0004]In addition to the conventional mechanical meter, this image display device displays a screen of an in-vehicle navigation device. Besides, a route guidance device, which switches two modes (between a stop mode and a drive mode) according to a speed of a vehicle, has been proposed (JP11-051686A). In the stop mode, information required when the vehicle stops is displayed on a small screen of a liquid crystal...

Claims

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Application Information

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Patent Type & Authority Patents(United States)
IPC IPC(8): G01C21/30
Inventor KAWAKAMI, HIDEHIKOENOKIZAKA, TETSUYAWATANABE, AKIHIROUCHIDA, TSUNEOTAGUCHI, KIYOTAKA
Owner DENSO CORP