JP2000194465A - Display system for electronic device, its controlling method and recording medium with program for control recorded therein - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a display system for an electronic device which does not overlap display contents of plural electronic equipment, performs efficient display processing and reduces user burden and to provide its controlling method and a recording medium on which the program for the control is recorded. SOLUTION: Control circuits 5 and 6 are included in a center unit 1 and a slave unit 2 formed as electronic equipment, and a front panel is provided with an operation button 11, a switching button 12 and displays 13 and 23. The center unit 1 and the slave unit 2 are connected through a data bus 4. The circuits 5 and 6 are provided with display content generating means 51 and 61, switching means 52 and 62, transmitting and receiving parts 14 and 24. The circuit 6 is provided with a display mode detecting means 63, a switch controlling means 64 and a switch detecting means 65. When the button 12 is pressed down, display content of the display 13 and display content of the display 23 are switched into different display contents.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a display system for an electronic device in which units of a plurality of electronic devices each have a display means, and more particularly, to a display system for an electronic device in which the switching of display contents is improved. The present invention relates to a control method and a recording medium on which a control program is recorded.

[0002]

2. Description of the Related Art In recent years, on-vehicle electronic devices are provided with a display such as a light emitting diode (LED) or a liquid crystal display (LCD), and a user can be informed of various information by displaying the display on the display. . Such electronic devices are:
Some are single units, but many are composed of multiple units. For example, in the center unit where the amplifier and tuner are configured as an integrated unit,
Some are connected to slave units such as players and MD players. As described above, in an electronic device configured by a plurality of units, conventionally, each device has a display, and the display of each device independently determines and switches display contents. Was. In addition, it is necessary to switch the display content by operating the operation buttons and the like provided on each device by the user.

[0003]

In an electronic device comprising a plurality of units as described above, the display is performed independently by each device.
Was reproduced, the reproduction time and the title were sometimes overlapped on both the display unit of the center unit and the display unit of the slave unit. In order to cope with this, it is necessary to perform an operation of switching the display content on one or both of the operation buttons or the like, which is complicated for the user.

[0004] The present invention has been proposed to solve the problems of the prior art as described above.
Provided is a display system for an electronic device, in which display contents of a plurality of electronic devices are not duplicated, efficient display processing is possible, and a burden on a user is reduced, a control method therefor, and a recording medium recording a control program therefor. It is in.

[0005]

In order to achieve the above object, the present invention provides a plurality of electronic equipment units which are capable of transmitting and receiving information to and from each other, and each unit has a plurality of types of display contents. An electronic device comprising: a display unit for selectively switching and displaying; a display content generation unit for generating display content displayed on the display unit; and a switching unit for switching display content displayed on the display unit. The display system has the following technical features.

That is, according to the first aspect of the present invention, at least one unit has a display type detecting means for detecting a type of display content in another unit, and a display type based on a detection result by the display type detecting means. Switching control means for controlling the switching means so that the display content of the means is switched to a different type of display content than the other units.

[0007] The invention according to claim 3 captures the invention according to claim 1 from the viewpoint of a method, and the display means of the units of a plurality of electronic devices each comprises a plurality of types of display contents. In a control method of a display system of an electronic device that performs display processing by selectively switching, at least one
Detecting the switching of the display content of the display means in one unit; and
Switching the display contents so that each display means displays different types of display contents.

[0008] The invention described in claim 5 is an invention in which the invention described in claim 1 is viewed from the viewpoint of a recording medium on which a computer program is recorded. A computer-readable storage medium storing a control program for a display system of an electronic device for performing a display process of selectively switching from among display contents of the above-described display processing, the program being provided to the computer by at least one unit. The display contents are switched so that the display means displays different types of display contents when the switching is detected.

[0009] In the above-described inventions of claims 1, 3 and 5, the type of display content of each unit is grasped and duplication of display content in a plurality of units is automatically avoided. Thus, efficient display processing and reduction of the burden on the user can be realized.

According to a second aspect of the present invention, in the display system for an electronic device according to the first aspect, at least one unit is provided with switching instruction means for inputting an instruction to switch display contents to the switching means. Each unit is provided with switching detection means for detecting the presence or absence of a switching instruction input by the switching instruction means.

According to the second aspect of the present invention, when the user issues a switching instruction by the switching instruction means of a certain unit, the display content of the display of the unit is switched, and the switching instruction is issued. Since the switching detection means of the other unit detects and switches the display contents of the display unit of the other unit so as to avoid duplication, the burden on the user to switch to another unit is reduced.

According to a fourth aspect of the present invention, in the control method of the electronic device display system according to the third aspect, a step of composing a single scroll screen by combining display screens in the display means of at least two units. It is characterized by including.

According to a sixth aspect of the present invention, there is provided a computer-readable storage medium storing a computer program according to the fourth aspect of the present invention. Wherein the computer controls the display means so that the display screens of the display means of at least two units constitute a single scroll screen.

According to the fourth and sixth aspects of the present invention, for example, when the display content is switched on one of the display means for forming a scroll screen, the display content is not changed before the display means is switched. Is sequentially shifted to another display means, so that the user can see that the display screen moves.

[0015]

Embodiments of the present invention will be described with reference to the drawings.

(1) Configuration of Embodiment 1-1. Overall Configuration The display system for an electronic device according to the present embodiment includes a center unit 1 and a slave unit 2 as shown in the overall configuration diagram of FIG. Center unit 1
Is a single unit in which devices such as an amplifier, a tuner, and a CD player are configured, and a control circuit for these devices is built in. The front panel 10 of the center unit 1 is provided with a plurality of operation buttons 11 for power, volume adjustment, music selection / playback, and the like, and a switching button 12 for switching the display mode. Inside the operation button 11 and the changeover button 12, switches and the like connected to the control circuit are formed.

On the other hand, in the slave unit 2, an MD player is formed in a single unit, and a control circuit for the MD player is built in. The front panel 20 of the slave unit 2 is also provided with operation buttons 21 for power supply and the like, and a switch button 22 for display mode switching. Operation button 21
Inside the switching button 22, a switch or the like connected to the control circuit is formed.

On the front panels 10 and 20 of the center unit 1 and the slave unit 2, displays 13 and 23 are formed by arranging a large number of LCDs. Further, the center unit 1 and the slave unit 2 are arranged one above the other, and their control circuits are connected via a data bus 4. The illustration of the power supply lines of the center unit 1 and the slave unit 2 is omitted.

1-2. Functional Configuration of Each Unit The functions provided by the control circuits of the center unit 1 and the slave unit 2 as described above for controlling the displays 13 and 22 will be described with reference to FIG. Various functions provided by these control circuits are actually realized by controlling a microcomputer mounted in each unit by software such as an embedded program.

In this case, what kind of CPU is used,
What kind of programming system to use, software to be recorded on ROM chip, CD-RO
Various specific configurations, such as whether to execute by reading from a recording medium such as M, can be considered. For this reason, in FIG. 2, the present embodiment will be described using virtual circuit blocks each performing a certain function. Note that the description of the functional portions as general audio equipment in each control circuit is omitted.

That is, as shown in FIG. 2, the control circuit 5 of the center unit 1 is provided with a display content generating means 51 and a switching means 52. Display content generating means 51
Is a means for receiving information from the tuner 7, the CD player 8, and the MD player 9, and for generating display content data to be output to the display 13 based on the information. The switching means 52 is means for switching the display content data generated by the display content generation means 51 when a switch switching by pressing the switching button 12 is input.

The display contents are set so that each time the switch button 12 is pressed, the display mode is switched in the order of three display modes: a main mode, a sub mode, and a time mode. Here, the main mode is the CD player 7 and M
During playback by the D player 9, the playback time is displayed, and during reception by the tuner 8, the reception frequency or channel is displayed. Sub mode is CD
During playback by the player 7 and the MD player 9, the title of the information being played is displayed, and during reception by the tuner 8, the name of the broadcasting station being received is displayed. The time mode is set to display the current time of a timer (not shown) set in the center unit 1 or the tuner 8.

Further, the center unit 1 is provided with a transmitting / receiving unit 14. The transmission / reception unit 14 transmits and receives information to and from the slave unit 2 via the data bus 4. For example, information on a display mode after switching of the display 13, switching of a switch by pressing the switching button 12 Information relating to switching, information relating to display contents corresponding to the CD player 7 and the tuner 8 and the like are transmitted to the slave unit 2 via the data bus 4, and information relating to display contents corresponding to the MD player 9 is transmitted from the slave unit 2. It has the function of receiving.

On the other hand, the control circuit 6 of the slave unit 2 includes display content generation means 61, switching means 62, display mode detection means 63, switching control means 64, and switching detection means 65. The display content generation means 61 is provided so as to be capable of inputting information from the tuner 7, the CD player 8, and the MD player 9, similarly to the display content generation means 51 of the center unit 1. This is a means for generating display content data to be output. When the switch is input to the switch by pressing the switch button 22, the switching unit 62 displays the display content generating unit 6
This is means for switching the display data generated in step 1.

The display mode detecting means 63 is means for detecting, when information on the display mode after switching of the display 13 is input from the center unit 1 via the data bus 4, this information is detected. The switching control means 64
The control unit controls the switching unit 62 based on the detection result of the display mode detection unit 63 so as to switch to a display mode different from the display mode after switching in the center unit 1. For example, by switching the display mode on the slave unit 2 side to the display mode before switching on the center unit 1 side, the display modes of the slave unit 2 and the center unit 1 can be made different.

The switching detecting means 65 is means for detecting, when information on switching of the switch by pressing the switching button 12 is input from the center unit 1 via the data bus 4. The switching means 62
Is set so as to switch the display data generated by the display content generation unit 61 even when a switch switching by pressing the switching button 12 is input.

Also, for example, the display content generating means 51, 6
The output of the display content data from 1 to the displays 13 and 22 is performed so that the two displays 13 and 22 constitute a single scroll screen. That is, the display content data is output by the display content generation means 51 and 61 so that the display content of the displays 13 and 22 shifts from the upper level to the lower level, so that the display content of the newly selected display mode is displayed on the display 13. Are displayed on the display 23,
It seems to shift to.

Further, the slave unit 2 is provided with a transmission / reception unit 66. The transmission / reception unit 24 transmits / receives information to / from the center unit 1 via the data bus 4. For example, information on a display mode after switching of the display 13, switching of a switch by pressing the switching button 12 is performed. Information about switching, information about display contents corresponding to the CD player 7 and the tuner 8, etc. are received from the slave unit 1 via the data bus 4, and information about display contents corresponding to the MD player 9, etc., to the slave unit 2. It has a function to send.

(2) Operation of the Embodiment The operation of the present embodiment having the above-described configuration will be described with reference to FIG.
The description will be made with reference to the flowchart of FIG. 4 and the explanatory diagram of FIG. FIG. 3 shows a processing procedure of the center unit 1, and FIG. 4 shows a processing procedure of the slave unit 2. That is, as shown in FIG. 3, while the user is using the system, the display content corresponding to the currently selected display mode is displayed on the display 13 (step 3).
01). Then, the center unit 1 is selected by the user.
Is pressed (step 30).
2) The transmission / reception unit 14 transmits to the slave unit 2 information on the display mode after switching of the display 13 and information on switching of the switch by pressing the switching button 12 (step 303). Next, the switching means 52 switches the display content data generated by the display content generation means 51 (step 304). This switching is performed in the order of three display modes of a main mode, a sub mode, and a time mode each time the switching button 12 is pressed. The display content generation means 51 generates display content data corresponding to the switched display mode (step 305) and outputs it to the display 13 (step 306), so that the display content is displayed on the display 13 (step 307). ).

On the other hand, as shown in FIG. 4, also in the slave unit 2, initially, the display contents corresponding to the currently selected display mode are displayed on the display 13 (step 401). Then, the transmitting / receiving unit 66
When the information about the display mode after switching of the display 13 and the information about switching of the switch by pressing the switching button 12 are received from the center unit 1, the display mode after switching of the display 13 is detected by the switching detecting means 65. (Step 402).
Next, the switching means 62 switches the display content data generated by the display content generating means 61 (step 40).
3). The display content generation means 61 generates display content data corresponding to the switched display mode (step 40).
4) Since it is output to the display 23 (step 40)
5), the display contents are displayed on the display 23 (step 406).

The display contents are switched by, for example, switching to the same display mode as the display mode before switching of the display 13, so that the display modes of the slave unit 2 and the center unit 1 are different.

As described above, the output of the display content data is performed such that the displays 13 and 22 form a single scroll screen and the display content scrolls down. For example, as shown in FIGS. 5A to 5D, the display 13 of the center unit 1 changes from the main mode (frequency display) to the sub mode (broadcast station name display).
To the display 2 of the slave unit 2.
When 3 switches from the time mode (current time display) to the main mode (frequency display), the display of the new mode scrolls out from the top. Therefore, the display mode of the slave unit 2 becomes the display mode immediately before the center unit 1, and it appears that the display of the upper center unit 1 moves to the display of the lower slave unit 2.

(3) Effects of the Embodiment The effects of the present embodiment as described above are as follows. That is, when the display mode switching button 12 of the center unit 1 is pressed, the display contents of the display 13 of the center unit 1 and the display contents of the display 23 of the slave unit 2 always become different display modes. Switches automatically as shown. For this reason, the display contents of the center unit 1 and the slave unit 2 are not duplicated, the display process is prevented from being wasted, and the user can obtain more information instantaneously.

Further, in order to prevent the display contents of the center unit 1 and the slave unit 2 from being duplicated, the display mode switching button 22 of the slave unit 2 is provided separately from the pressing operation of the first switching button 12. Since it is not necessary to perform the pressing operation, the burden on the user is reduced.

When the display contents are switched,
The display mode of the slave unit 2 is switched to the display mode immediately before the center unit 1, and during the switching, a new display scrolls from the display 13 of the center unit 1 and the display 23 of the slave unit 2 respectively. As a result, the upper display appears to move to the lower display, and the user can clearly recognize that the switching has been performed.

The information transmitted and received between the center unit 1 and the slave unit 2 at the time of switching display includes information on the display mode after switching of the display 13 and information on switching of the switch by pressing the switching button 12. Only. And display 1
3 and the generation of the display contents displayed on the display 23 are as follows:
This is performed by display content generating means 51 and 61 which are independent from each other. Therefore, the burden on each is reduced as compared with the case where only one of the control circuits 5 and 6 performs the processing.
In particular, the respective ROM capacities in the control circuits 5 and 6 do not have to be pressed, and the processing speed and the like are improved.

(4) Other Embodiments The present invention is not limited to the above embodiments. For example, in the above embodiment, when the display mode switching button 22 on the slave unit 2 side is pressed, the display on the display 23 of the slave unit 2 is switched to the next display mode. However, the control circuit 5 of the center unit 1 is also provided with the same display mode detecting means, switching control means, switching detecting means, etc. as the control circuit 6 of the slave unit 2 so that the display mode of the slave unit 2 can be controlled. When the switch button 22 is pressed, similarly to the above-described embodiment, the display 1
An embodiment in which the display modes 3 and 23 are switched to different display modes in conjunction with each other is also possible.

The number of the center unit 1 and the number of the slave units 2 are not limited to one, and two or more center units and slave units may be connected to each other. In such a case, the display may be switched so that only specific units are linked, or the display may be switched such that all units are linked.

The direction of scrolling the display content is not limited to the downward direction, but may be scrolled upward. When the units are arranged side by side, they may be scrolled in the left-right direction. Furthermore, at the time of switching, the display contents may be switched instantaneously without scrolling.

Further, the type of display mode is not limited to the above-described embodiment, and other types of display modes can be set. The display mode after switching in each unit does not necessarily need to be the display mode before switching of the other units, and may be switched to any display mode as long as display duplication can be avoided.

The input means such as the operation buttons 11 and 21 and the switching buttons 12 and 22 are not limited to the push button type, and may be a touch panel type or a voice input type. The displays 13 and 23 are not limited to LEDs, but may be LCDs. Further, a recording medium on which a computer program for realizing the functions of the present invention is recorded is also one embodiment of the present invention.

[0042]

According to the present invention as described above, a display system for an electronic device, in which display contents of a plurality of electronic devices are not duplicated, efficient display processing is possible, and the burden on the user is reduced, A control method and a recording medium on which the control program is recorded can be provided.

[Brief description of the drawings]

FIG. 1 is a simplified front view showing an appearance of a display device of an electronic apparatus according to an embodiment of the present invention.

FIG. 2 is a functional block diagram illustrating an internal configuration of a display device of the electronic apparatus according to the embodiment of the present invention.

FIG. 3 is a flowchart illustrating a switching processing procedure on the center unit side according to the embodiment of the present invention.

FIG. 4 is a flowchart showing a switching processing procedure on the slave unit side in the embodiment of the present invention.

5A and 5B are front views showing a process of switching display contents of a display according to the embodiment of the present invention, wherein FIG. 5A shows a state before switching, FIGS. 5B and 5C show a state during switching, and FIG. Show.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Center unit 2 ... Slave unit 4 ... Data bus 5,6 ... Control circuit 7 ... Tuner 8 ... CD player 9 ... MD player 10,20 ... Front panel 11,21 ... Operation buttons 12,22 ... Switching buttons 13,23 ... Displays 14, 24 ... Transceiving units 51,61 ... Display content generating means 52,62 ... Switching means 64 ... Switching control means 65 ... Switching detecting means 301 and thereafter ... Steps in the procedure

Claims (6)

[Claims] 1. A plurality of electronic device units are provided so as to be able to transmit and receive information to and from each other. Each unit has a display means for selectively switching and displaying a plurality of types of display contents, and a display means for displaying on the display means. A display content generating means for generating a display content to be displayed, and a switching means for switching the display content displayed on the display means, wherein at least one unit has a display content in another unit. Display type detecting means for detecting the type of display unit, and controlling the switching means based on the detection result by the display type detecting means so that the display content of the display means is switched to a different type of display content than other units. A display system for electronic equipment, comprising: switching control means; 2. At least one unit is provided with switching instruction means for inputting a display content switching instruction to said switching means, and each unit is provided with a switch instruction input by said switching instruction means. The display system for an electronic device according to claim 1, further comprising a switch detection unit for detecting. 3. A control method for a display system of an electronic device, wherein a display means of a unit of a plurality of electronic devices performs a display process by selectively switching among a plurality of types of display contents. Detecting the switching of the display content of the means, and, when the switching is detected, switching the display content so that each display means displays different types of display content from each other. Of controlling a display system of an electronic device. 4. The control method for a display system of an electronic device according to claim 3, further comprising a step of forming a single scroll screen by a combination of display screens on the display means of at least two units. 5. A control system for a display system of an electronic device, wherein a display unit of a plurality of electronic devices uses a computer to perform a display process of selectively switching among a plurality of types of display contents using a computer. In a recording medium on which a program is recorded, the program causes the computer to detect switching of display contents of display means in at least one unit, and when the switching is detected, each display means displays different types of display contents. A storage medium storing a control program for a display system of an electronic device, wherein the display content is switched so as to display. 6. The electronic apparatus according to claim 5, wherein said computer controls said display means so that the display screens of said at least two unit display means form a single scroll screen. A recording medium on which a control program for a display system is recorded.