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Vehicular device, and control method for vehicular device

A control method and vehicle technology, applied in control devices, vehicle parts, transportation and packaging, etc., can solve the problems of inability to judge the screen, prolong processing time, shorten processing time, etc.

Pending Publication Date: 2021-11-26
DENSO CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this case, if it is configured to compare the entire screen, the processing time at the time of determination will be extended, and there may be other problems such as delayed display that needs to be periodically updated, and display delay on other displays.
[0007] On the other hand, if a part of the screen is compared in order to shorten the processing time, it is possible to determine whether the compared part has been updated correctly, but it cannot be determined for the entire screen.

Method used

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  • Vehicular device, and control method for vehicular device
  • Vehicular device, and control method for vehicular device
  • Vehicular device, and control method for vehicular device

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Experimental program
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no. 1 approach

[0033] Hereinafter, the first embodiment will be described. Such as figure 1 As shown, the vehicle device 1 constitutes, for example, a driver's seat system 5 including three displays of an instrument display 2 , a center display 3 , and a head-up display 4 . However, the number, arrangement, or structure of displays is an example and is not limited thereto. In addition, in figure 1 Although the example in which the vehicle device 1 is connected to a plurality of displays is shown in FIG. 1 , the number of displays connected to the vehicle device 1 may be one or more.

[0034] It is assumed that the meter display 2 is composed of, for example, a liquid crystal display or an organic EL display, and is installed near the front of the driver on the dashboard. That is, the meter display 2 is installed at a position where the user can easily visually recognize it, in other words, a position where it enters the user's field of vision during normal driving.

[0035] It is assumed...

no. 2 approach

[0103]Hereinafter, a second embodiment will be described. In the second embodiment, several modified examples of the first embodiment will be described.

[0104]

[0105] In the first embodiment, an example in which the determination area 52 is set in the invisible area 50a is shown, but for example, Figure 14 As shown, the vehicle device 1 can set at least one determination area 52 outside the invisible area 50a, that is, at a position that can be visually recognized by the user.

[0106] However, in this case, the vehicular device 1 is set in the area where the content whose display mode is changed is drawn. In addition, the vehicle device 1 sets the determination image to a color and a size corresponding to the content.

[0107] For example, in the case of displaying content scrolling or rotating, it is considered that the color changes at a certain position between the content drawn last time and the content drawn this time. Furthermore, as described in the first emb...

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Abstract

The invention provides a vehicular device, and a control method for the vehicular device. A vehicular device (1) according to an embodiment is provided with an application (21f) as a determination device for determining whether or not a frame buffer (50) has been updated, and sets a determination area (52), prepares a determination image to be drawn in the determination area (52), requests a GPU (13) to draw the prepared determination image, reads the determination image actually drawn in the frame buffer (50) by the GPU (13), and, when the read determination image matches the prepared determination image, determines that the frame buffer (50) has been updated.

Description

[0001] Cross-references to related applications: This application is based on Japanese application No. 2019-081094 filed on April 22, 2019, and its content is incorporated herein. technical field [0002] The present disclosure relates to a vehicle device and a control method of the vehicle device. Background technique [0003] Generally, a display is provided in a vehicle device. In such a vehicular device, when a malfunction occurs in the display, it is necessary to eliminate the malfunction. Therefore, for example, in Patent Document 1, by comparing the identification information of each frame, it is detected whether or not a display defect has occurred. [0004] Patent Document 1: Japanese Patent Laid-Open No. 2016-39508 [0005] In addition, even if it is detected that they are not the same frame as described above, it may not necessarily be possible to assert that there is no defect in the display. For example, if the image itself displayed on the display is not cor...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60K35/00G09G5/00G09G5/377G09G5/36G06T11/00G09G3/20
CPCB60K35/00G06T11/00G09G3/20G09G5/00G09G5/36G09G5/377G06T1/60B60K2370/152B60K2370/11B60K2370/52B60W50/14B60W2050/146G06T1/20
Inventor 谷端伸彦
Owner DENSO CORP
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