JP4254525B2 - Display system - Google Patents

Description

  The present invention relates to a display device corresponding to multimedia installed at different positions, and more particularly to a display device provided in a front seat and a rear seat in a vehicle interior.

  Conventionally, in-vehicle display devices are installed near the installation panel of a vehicle, and display not only guidance display by a navigation system, but also video display such as DVD and TV, display of audio and air conditioner operation buttons using a touch panel, etc. It is also possible to perform. If such a display is possible, the passenger in the rear seat will be requested to perform video display and button operation.

Therefore, since it is inconvenient for passengers in the rear seat to see and operate the front seat display device installed near the installation panel, the rear seat is equipped with a display device separate from the front seat. There is an in-vehicle display device that can perform different display or different operations for a seat and a rear seat (for example, Patent Document 1).
Japanese Unexamined Patent Publication No. 2001-159888 ([0047] to [0051], FIGS. 3 and 7).

  However, the above-mentioned in-vehicle display device has a problem that different operations cannot be performed depending on the front seat and the rear seat when the same display is performed. Moreover, in the said vehicle-mounted display apparatus, since it is necessary to provide a drawing part for front seats and each for rear seats, there also exists a problem that a number of parts increases.

  The present invention has been made in view of the above problems, and includes a plurality of display devices installed at different positions, and even when the same display is performed on these display devices, the display devices are provided in different display devices. It is an object of the present invention to provide a display system that can handle different operations from the operation means.

In order to achieve the above object, in the first aspect of the present invention, the first display device and the second display device are installed in different places, and the first display device and the second display device are provided. In the display system having the first and second operation means that enable the display control operation, respectively , the same screen is displayed on the first display device and the second display device. In the same screen, including a plurality of operation switches, the operation effective range that is the range of operation switches that can be operated by the first and second operation means, respectively, is set separately by the setting means, and the validity determination means, When the operation switch is operated by the first or second operation means, it is determined whether or not the operation switch is in the corresponding operation effective range, and the operation switch in the corresponding operation effective range is operated. Is If it is determined, and executes the function corresponding to the operation by the control means.

That is, when the operation by the first operation unit of the first display device is for the operation switch outside the corresponding operation effective range, or the operation by the second operation unit of the second display device when the operation was for out-of-range operation switch is operated is disabled and does not execute the function. Therefore, even when the same display is performed on a plurality of display devices installed at different positions, different display devices are provided by setting the effective operation range for the operation means of each display device. It is possible to cope with different operations from the operation means.

Then, according to the invention described in claim 2, setting means, depending on the type of functions performed by the operation switch, an operation enable range in the range of operable operation switch by the first operating means, Since the operation effective range that is the range of the operation switch that can be operated by the second operation means is set , for example, the control for performing the enlarged display of the map as the operation effective range of the first operation means set the operating switch for the operation, as an operation enable range of the second operation means, it is possible to set the operating switch for the menu operation on the DVD. As a result, since the operation that can be performed on the first display device and the operation that can be performed on the second display device can be set separately, the same display is performed on a plurality of display devices installed at different positions. Even if it is, it becomes possible to cope with different operations on different display devices.

Further, in the invention according to claim 3 , the setting means divides the same screen, sets one screen range as the effective operation range of the first operation means, and sets the other screen range as the second operation means. It is set as an operation effective range . This makes it easier for the user to grasp in which range on the screen the operation is effective.

(First embodiment)
Hereinafter, an embodiment in which the present invention is applied to an in-vehicle navigation device will be described with reference to FIGS. 1 to 3. FIG. 1 is a configuration diagram showing a configuration of a navigation device according to the present embodiment. The navigation device includes a position detector 1, a TV / radio receiver 2, a media player 3, a map data storage device 4, an external memory 5, a control circuit 6, a front seat display device 7, a front seat operation switch group 8, a speaker. 9, a rear seat display device 10 and a rear seat operation switch group 11. Each of the position detectors 1 includes a known geomagnetic sensor, gyroscope, distance sensor, and a GPS receiver for GPS (Global Positioning System) that detects the position of the vehicle based on radio waves from a satellite. Is done. Since each of these sensors has an error having a different property, they are configured to be used while being interpolated by a plurality of sensors. Depending on the accuracy, a part of the above may be used, and further, a steering rotation sensor, a wheel sensor of each rolling wheel, or the like may be used. The position detector 1 can display the vehicle current position mark indicating the current position on the display device in the same manner as a conventional navigation device.

  The TV / radio receiver 2 receives radio broadcasts such as television broadcasts and radio broadcasts, and includes an antenna, a sound detection circuit, a video detection circuit, and the like. Can be output to the display device 10 and the speaker 9. The media player 3 is a player that can reproduce data stored in various media such as cassettes, CDs, MDs, and DVDs, and is configured in the same manner as in the past.

  The map data storage device 4 stores map matching data for improving the accuracy of position detection, data for displaying various maps including map data and landmark data, and these data are stored in the control circuit 6 as necessary. Is a device for inputting. The external memory 5 is composed of a writable storage device such as an HDD (hard disk drive) or a flash ROM, and a large amount of data that cannot be stored in the RAM or the like in the control circuit 6 or deleted even when the power is turned off. There are uses such as storing unnecessary data and copying frequently used data from the map data storage device 4 for use.

  The control circuit 6 (corresponding to the control means in the present invention) is configured to have computer means, and has a well-known CPU, ROM, RAM, I / O and a bus for connecting these configurations inside. A line is provided. Information processed by the control circuit 6 is notified to the user by an output device such as the front seat display device 7, the rear seat display device 10, and the speaker 9. It is assumed that a program for executing display operation processing according to the present invention is stored in a ROM in the control circuit 6.

  The front seat display device 7 and the rear seat display device 10 can use a liquid crystal display device, a CRT display device, or the like, and have a function corresponding to the first display device or the second display device in the present invention. Then, in combination with the speaker 9 configured in the same manner as in the past, based on information from the map data storage device 4 and the position detector 1, a map, a vehicle current position mark and a guide route are notified, and the TV / radio receiver 2 Thus, it is possible to output the broadcast received and to reproduce the media by the media player 3. The front-seat display device 7 is installed in the vicinity of the installation panel portion, and the rear-seat display device 10 is a place where a passenger in the rear seat such as the rear portion of the headrest at the front seat or the upper part of the center console box can view and operate. Installed. The front seat operation switch group 8 includes a touch switch and a mechanical switch integrated with the front seat display device 7, and the rear seat operation switch group 11 is also integrated with the rear seat display device 10. Touch switch, mechanical switch, etc. The front seat operation switch group 8 and the rear seat operation switch group 11 have a function corresponding to the operation means in the present invention.

  In the above configuration, in the navigation device according to the present embodiment, the operation effective range for enabling the operation of the touch switch integrated with the display device is provided separately for the front seat display device 7 and the rear seat display device 10. Thus, the operation from the front seat occupant and the operation from the rear seat occupant are distinguished, and the operation corresponding to the front seat and the rear seat is different. The operation in the control circuit 6 related to such operation control will be mainly described with reference to FIG. In addition, the touch switch which exists in the operation effective range in this embodiment corresponds to the 1st effective operation means or the 2nd effective operation means in this invention.

  In FIG. 2, in step (hereinafter abbreviated as “S”) 200, a front seat operation effective range and a rear seat operation effective range are set. The operation effective range may be set by a user using a user interface such as a menu, or may be set in advance by a navigation device. Further, the effective operation range is divided into two display screens as shown in FIG. 3a and the left and right are divided into a front seat operation screen 31 and a rear seat operation screen 32, respectively, or as shown in FIG. For example, it is possible to set the operation switch 33 for the front seat and the operation switch 34 for the rear seat by a destination setting or a DVD operation switch.

  In S201, it is determined whether or not an operation has been performed. The determination in S201 is repeatedly performed until it is determined that an operation has been performed. When it is determined that an operation has been performed (S201: YES), the process proceeds to S202. In S202, it is determined whether or not the operation performed is an operation from the front seat. Whether or not the operation is from the front seat is determined by determining whether or not the detected operation signal is an input signal from the front seat display device 7. That is, when the detected operation signal is an input signal from the front seat display device 7, it is determined that the operation is from the front seat.

  When it is determined that the operation is from the front seat (S202: YES), it is determined whether or not the operation performed in S203 is within the operation effective range. This determination is made based on the information set in S200. If it is determined that the performed operation is within the effective operation range (S203: YES), the process proceeds to S204, and a process corresponding to the front seat operation is executed. On the other hand, when it is determined that the performed operation is outside the effective operation range (S203: NO), the front seat display device 7 and the speaker 9 notify that the operation is invalid (S205).

  If it is determined in S202 that the performed operation is not an operation from the front seat (S202: NO), the process proceeds to S206, and it is determined whether or not the performed operation is an operation from the rear seat. Whether or not the operation is from the rear seat is determined by determining whether or not the detected operation signal is an input signal from the rear seat display device 10. That is, when the detected operation signal is an input signal from the rear seat display device 10, it is determined that the operation is from the rear seat. If the detected operation signal is not an input signal from the rear seat display device 10, it is considered that the input is from a remote control terminal (hereinafter referred to as a remote controller) or the like, and it is determined that the operation is not from the rear seat.

  When it determines with it not being operation from a backseat in S206 (S206: NO), it transfers to S201. If it is determined that the operation is from the rear seat (S206: YES), the process proceeds to S207, and it is determined whether or not the performed operation is within the operation effective range. The determination here is performed based on the information set in S200, as in S203. If it is determined that the performed operation is within the effective operation range (S207: YES), processing corresponding to the operation on the rear seat is executed in S208. On the other hand, when it is determined that the performed operation is outside the effective operation range (S207: NO), the rear seat display device 10 and the speaker 9 notify that the operation is invalid (S209). In addition, after performing a predetermined process in S204, S205, S208, and S209, it transfers to S201 and repeats the said process. Note that S200 executes processing corresponding to the setting means in the present invention, and S203 and S207 execute processing corresponding to the validity determining means in the present invention.

  As described above, according to the navigation device of the present embodiment, the operation effective range of the touch switch integrated with the display device is set separately for the front seat display device 7 and the rear seat display device 10, thereby The operation from the occupant in the seat and the operation from the occupant in the rear seat can be distinguished, and different operations in the front seat and the rear seat can be handled. Therefore, even when the same display is performed on the front and rear display devices, it is possible to cope with different operations from the front seat and the rear seat.

  In this embodiment, the effective operation ranges of the front seat display device 7 and the rear seat display device 10 are different, but an effective operation range in which both can be operated may be provided. Further, the mechanical switch integrated with the front seat display device 7 and the rear seat display device 10 can execute processing corresponding to different operations from the front seat and the rear seat by the same control.

  As in the case of the conventional navigation device, during traveling, traveling forcing to restrict complicated operations from the front seat is performed.

  In the above-described embodiment, an example in which the present invention is applied to a navigation device mounted on a vehicle has been described. However, the present invention is not limited to a navigation device, and a display device provided on a seat such as a train or an airplane or a different display. The same can be applied to a game device using a screen.

It is a lineblock diagram of a navigation device concerning one embodiment of the present invention. It is a figure which shows the flowchart of the operation control which concerns on one Embodiment of this invention. It is a figure which shows the example of a setting of the operation effective range which concerns on one Embodiment of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Position detector 2 ... TV / radio receiver 3 ... Media player 4 ... Map data storage device 5 ... External memory 6 ... Control circuit 7 ... Front seat display Device 8 ... Front seat operation switch group 9 ... Speaker 10 ... Rear seat display device 11 ... Rear seat operation switch group

Claims (3)

Different locations comprises a first display device and the second display device installed, the first display device and the second display device, respectively to the display control operation to allow the first and second of of A display system having operation means,
The same screen is displayed on the first display device and the second display device,
The same screen includes a plurality of operation switches, and in the same screen, setting means for separately setting operation effective ranges that are ranges of operation switches that can be operated by the first and second operation means , and
Validity determination means for determining whether the operation switch is operated within the corresponding operation effective range when the operation switch is operated by the first or second operation means ;
Control means for executing a function corresponding to the operation when the validity determination means determines that the operation is within the corresponding operation effective range ;
A display system comprising: The setting means can be operated by the operation effective range that is a range of the operation switch that can be operated by the first operation means and the second operation means according to the type of function executed by the operation switch. The display system according to claim 1 , wherein an operation effective range that is a range of the operation switch is set . The setting means divides the same screen, sets one screen range as an operation effective range of the first operation means, and sets the other screen range as an operation effective range of the second operation means. The display system according to claim 1 .