JP4583162B2 - Display control device, in-vehicle electronic device, display control method, control program, and recording medium - Google Patents

Description

  The present invention relates to a display control device, an on-vehicle electronic device, a display control method, a control program, and a recording medium, and more particularly, a display control device for displaying time information such as time on a display device, and an on-vehicle device including the display device. The present invention relates to an electronic device, a display control method thereof, a control program, and a recording medium.

Conventionally, an in-vehicle electronic device provided with a touch panel display is known (for example, see Patent Document 1).
Such in-vehicle electronic devices include car navigation devices and audio devices. In these devices, when the original car navigation function or audio playback is not performed, time information such as time is displayed on the touch panel display. There is something that has been made to display.
JP 2003-312372 A

Among the above-described conventional in-vehicle electronic devices, there are known devices that can switch between display / non-display of time information such as time.
In such an in-vehicle electronic device, when switching display / non-display of time information on the touch panel display, a setting menu is displayed, time information display / non-display setting processing is selected in a hierarchy in the setting menu, and the setting is performed. In the processing, it is set to display or non-display.
By the way, when the time information is displayed on the touch panel display at night or the like, the background screen is also illuminated and may be too dazzling.

In such a case, the driver wants to set the time information not to be displayed. However, as described above, such a setting is troublesome, especially during driving. Performing such an operation is a problem in terms of safety.
Accordingly, an object of the present invention is to provide a display control device, an in-vehicle electronic device, and a display control that can be easily switched between display and non-display when time information such as time is displayed in the in-vehicle electronic device. A method, a control program, and a recording medium are provided.

In order to solve the above-described problem, in a display control device that performs display control of a touch panel display, a time information display unit that displays time information on the touch panel display based on time information input from the outside, and a predetermined time information display mode An operation detection unit for determining whether a predetermined operation has been performed on an arbitrary part of the operation surface of the touch panel display;
Between the time information display state in which time information display is performed by the time information display unit and the time information non-display state in which time information display by the time information display unit is prohibited each time the predetermined operation is performed. And a display control unit for making a state transition.

According to the above configuration, the operation detection unit determines whether or not a predetermined operation has been performed on an arbitrary portion of the operation surface of the touch panel display during the predetermined time information display mode.
As a result, the display control unit performs a time information display state in which time information display is performed by the time information display unit every time a predetermined operation is performed, and a time information non-display state in which time information display by the time information display unit is prohibited. State transition between.

In this case, the predetermined operation may be an operation of briefly pressing the operation surface.
The time information may include at least the time of time, day of the week, month and day.

  Moreover, in the vehicle-mounted electronic device which has a touch panel display and has normal operation mode and time information display mode which displays time information as operation mode, the time information which displays time information on the said touch panel display based on the said time information A display unit, an operation detection unit that determines whether or not a predetermined operation has been performed on an arbitrary portion of the operation surface of the touch panel display during the time information display mode, and each time the predetermined operation is performed, A display control unit that performs state transition between a time information display state in which time information display is performed by the time information display unit and a time information non-display state in which time information display by the time information display unit is prohibited It is characterized by that.

According to the above configuration, the operation detection unit determines whether or not a predetermined operation has been performed on an arbitrary portion of the operation surface of the touch panel display during the time information display mode.
The display control unit includes a time information display state in which time information display is performed by the time information display unit every time a predetermined operation is performed, and a time information non-display state in which time information display by the time information display unit is prohibited. Transition between states.

In this case, the predetermined operation may be an operation of briefly pressing the operation surface.
Further, in a control program for controlling a vehicle-mounted electronic device having a touch panel display and having a normal operation mode and a time information display mode for displaying time information as an operation mode by a computer, the time information display mode A time information display state in which it is determined whether or not a predetermined operation has been performed on an arbitrary part of the operation surface of the touch panel display, and time information display is performed by the time information display unit each time the predetermined operation is performed; The state transition is performed between a time information non-display state in which time information display by the time information display unit is prohibited.
The control program can also be recorded on a computer-readable recording medium.

  According to the present invention, when time information such as time is displayed, the display / non-display of time information can be easily switched by a simple operation.

Next, preferred embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is a front view of a car audio apparatus which is an aspect of the in-vehicle device according to the present embodiment. FIG. 2 is a front view of the device main body of the car audio device.

As shown in FIG. 1, a detachable control panel 3 is detachably attached to the main body 2 on the front surface (front portion) of the car audio device 1.
A detachable control panel (hereinafter referred to as DCP) 3 functions as a display unit and an operation unit of the car audio device 1, and is provided on the DCP case 4, the liquid crystal panel 5, and the liquid crystal panel 5. Touch panel 6 and a plurality of operation keys 7 disposed on the left and right sides of the liquid crystal panel 5. Upper and lower edges of the liquid crystal panel 5 are provided with an upper frame 8A and a lower frame 8B, and the liquid crystal panel 5 is sandwiched between the upper frame 8A and the lower frame 8B. Further, four recesses 9 are formed at substantially equal intervals along the portion adjacent to the liquid crystal panel 5 in the lower frame 8B. These recesses 9 are used to guide operation locations on the touch panel 6. That is, as shown in FIG. 1, on the liquid crystal panel 5, four operation button icons 10 are displayed corresponding to these four recesses 9, and if the user slides his / her finger on the lower frame 8 </ b> B, The position of the operation button 10 displayed on the liquid crystal panel 5 can be observed from the position of the recess 9. Therefore, the user can easily operate the touch panel 6 without looking at the liquid crystal panel 5.

  Further, as shown in FIG. 1, guide pieces 11 extending vertically are provided on both the left and right edges of the liquid crystal panel 5. These guide pieces 11 are for guiding the operation location on the touch panel 6 in the same manner as the concave portion 9 of the lower frame 8B. Specifically, as shown in FIG. 1, scroll operation icons 12 for sequentially changing display items displayed on the liquid crystal screen 5 are displayed near the left and right edges of the liquid crystal panel 5. Can operate the scroll operation icon 12 by relying on the guide piece 11. That is, when the user slides on the touch panel 6 with the finger along the guide piece 11, the scroll operation icon 12 is operated, and the display items are sequentially changed.

  As described above, the DCP 3 includes a plurality of operation keys 7. As these operation keys 7, a power / volume key 7A, a source button 7B, an open / eject button 7C, an adjust button 7D, a mode button 7E, a sound A button 7F and an ISR button 7G are provided. The power / volume key 7A is configured as a rotary key switch, and the power is turned on / off by a pressing operation, and the volume (volume) is adjusted by a rotating operation. The source button 7B is a push button for switching the sound source, and the sound source to be reproduced is switched each time the button is pressed. As a sound source, a radio sound source or a CD (Compact Disc) sound source built in the apparatus main body 1, a CD changer or a DVD (Digital Versatile Disk) changer connected to the apparatus main body 2 so as to be communicable, and an external audio input terminal Input external audio is used.

  The open / eject button 7 </ b> C is a push-down button for opening the DCP 3 in order to make various operation units located on the back of the DCP 3 operable. When the open / eject button 7C is pressed while the DCP 3 is closed, the DCP 3 is tilted so as to be pushed out of the apparatus main body 1 by a link mechanism (not shown), and the front (front portion) of the apparatus main body 2 is exposed. To do. As shown in FIG. 2, a CD insertion slot 20 is provided in the front of the apparatus main body 2, and the CD can be inserted into and removed from the apparatus main body 2 by opening the DCP 3. When the open / eject button 7C is operated with the DCP 3 opened, the CD is ejected from the insertion slot 20. When the DCP 3 is in an open state, a link mechanism (not shown) is activated after a predetermined time and automatically closes.

  The adjustment button 7D is an operation button used when various settings and adjustments of the apparatus main body 2 are performed. The mode button 7E is, for example, a push button for setting a playback mode at the time of CD playback. Each time the button is pressed, a playback mode such as repeat playback or random playback is switched and set. When the mode button 7E is pressed for a long time, the display on the liquid crystal panel 5 is switched between the standard display and the simple display that improves the visibility by omitting the design. The sound button 7F is an operation button used when performing various settings and adjustments related to sound. The ISR button 7G is an operation button for receiving a specific radio channel and outputting radio sound regardless of the current selection state of the sound source.

  In addition, a light receiving window 13 of a photosensor for sensing the brightness of the passenger compartment and a light receiving window 14 for receiving a signal from a remote controller are provided in front of the DCP 3. In the car audio apparatus 1, the brightness of the backlight of the liquid crystal panel 5 is adjusted according to the brightness of the passenger compartment sensed by the photosensor (so-called auto dimmer function).

FIG. 3 is a rear view of the detachable control panel.
As described above, the DCP 3 can be detached from the apparatus main body 2. The structure of the DCP 3 will be described below. As shown in FIG. 3, two engagement protrusions 30A, 30B and one An engagement receiver 31 and a connector contact 32 are formed. As shown in FIG. 2, a support plate 21 for attaching the DCP 3 is provided on the front surface of the apparatus body 2, and this support plate is provided. Two engagement receivers 22 </ b> A and 22 </ b> B, one engagement protrusion 23, and a connector contact 24 are formed on 21. Under this configuration, the engagement receiver 31 on the back surface of the DCP 3 is pushed into the engagement protrusion 23 on the support plate 21 of the apparatus main body 2, and one end side of the DCP 3 is engaged with the apparatus main body 2. The DCP 3 is detachably attached to the front surface of the apparatus main body 2 by pushing the engagement protrusions 30A and 30B and the connector contact 32 into the engagement receivers 22A and 22B and the connector contact 24 of the apparatus main body 2 respectively.

  When the DCP 3 is attached to the apparatus main body 2, signals can be transmitted and received between the DCP 3 and the apparatus main body 2 via the connector contacts 32 and 24, and between the DCP 3 and the apparatus main body 2. An operation signal corresponding to the operation of the operation key 7, a signal for displaying various information on the liquid crystal panel 5, and the like are transmitted and received.

Next, the functional configuration of the car audio device 1 will be described in detail with reference to FIG.
FIG. 4 is a block diagram showing a functional configuration of the device main body 2 and the DCP 3 of the car audio device 1.
As shown in FIG. 4, the device main body 2 of the car audio device 1 includes a master microcomputer 100, a radio reception unit 110, a CD playback unit 120, and an audio output unit 130.

  The master microcomputer 100 executes control of each part of the apparatus main body 2 and the DCP 3, and has a built-in storage means such as an EEPROM or a RAM. The EEPROM stores various display data such as a control program and a menu screen. Stored. Although not shown, the master microcomputer 100 is supplied with a backup power source directly connected to the vehicle battery and an ACC power source connected to the battery via a key switch. Therefore, while the ACC power is off, backup power is supplied to the master microcomputer 100 and data stored in the RAM or the like is retained.

  The radio receiving unit 110 receives an AM / FM wave radio broadcast, and includes an antenna 111 and a tuner circuit 112. The tuner circuit 112 receives a radio broadcast of a predetermined channel based on an instruction from the master microcomputer 100. Then, the audio signal is output to the audio output unit 130. The CD playback unit 120 includes a CD reading unit 121 that reads music data recorded on a CD and outputs an audio signal to the audio output unit 130 under the control of the master microcomputer 100.

  The audio output unit 130 outputs audio based on audio signals from each of the radio reception unit 110 and the CD reproduction unit 120 under the control of the master microcomputer 100, and includes a DSP (Digital Signal Processor) 131, a sound volume And an electronic volume circuit 132 for adjusting. Under the control of the master microcomputer 100, the DSP 131 performs digital audio signal processing such as filter processing, equalizer processing, and decoding processing when the audio signal is encoded on the electronic volume circuit 132. The electronic volume circuit 121 adjusts and outputs the amplitude level of the audio signal after D / A conversion of the audio signal under the control of the master microcomputer 100 in order to adjust the reproduction volume. In addition to the radio receiving unit 110 and the CD playback unit 120, the DSP 131 is configured to be able to input an external audio signal from an external device such as a car navigation device (not shown).

  Here, for example, an external amplifier unit 160 is connected to the car audio apparatus 1 via an RCA connector made of, for example, a two-wire coaxial cable, and an audio signal output from the electronic volume circuit 132 is passed via the RCA connector. To the external amplifier unit 160. The external amplifier unit 160 is configured so that a plurality of speakers SP can be connected, and includes an amplifier circuit (not shown) of only the maximum number of speakers SP that can be connected (six in this embodiment), and the electronic volume circuit 132. Is amplified and output to each speaker SP currently connected. Note that an amplifier circuit and a speaker may be incorporated in the apparatus main body 2 so that sound can be output without using the external amplifier unit 160.

  As described above, the DCP 3 includes the liquid crystal panel 5 and the touch panel 6 constituting the touch panel display, and the operation keys 7. Furthermore, the DCP 3 includes a display microcomputer 151 that controls each part of the DCP 3 and an LCD driver 152 that displays various information on the liquid crystal panel 5 based on instructions from the display microcomputer 151. When the DCP 3 is mounted on the apparatus main body 2, the display microcomputer 151 of the DCP 3 and the master microcomputer 100 of the apparatus main body 2 are electrically connected by the connector contacts 24 and 32 to exchange various signals. For example, when the power / volume key 7A (see FIG. 1), which is one of the operation keys 7, is rotated and the volume is adjusted by the user, the rotation operation amount is detected by an encoder (not shown) and displayed. The data is transmitted from the microcomputer 151 to the master microcomputer 100. As a result, the master microcomputer 100 controls the electronic volume circuit 132 so that the reproduction volume becomes a volume corresponding to the rotation operation amount of the power / volume key 7A.

  A resistive film type touch panel is used as the touch panel 6, and when a hand touches the surface, a voltage signal corresponding to the position coordinates of the contact point is output to the display microcomputer 151, and the display microcomputer is based on the signal. The contact point coordinates are specified by 151. Thereby, it is identified which operation button displayed on the liquid crystal panel 5 is operated, and an operation corresponding to the operation is executed.

Next, main operations of the embodiment will be described.
FIG. 5 is a process flowchart of the embodiment.
In this case, as long as an accessory (ACC) power source (not shown) is supplied, the master microcomputer 100 displays a message regardless of whether the radio reception unit 110, the CD playback unit 120, and the audio output unit 130 are in an operating state. The operation of the touch panel 6 is constantly monitored via the microcomputer 151.

First, when a short press operation (so-called touch operation), which is a predetermined operation, is performed on an arbitrary portion of the operation surface of the touch panel 6 via the display microcomputer 151, the master microcomputer 100 turns off the audio device. It is determined whether or not there is (step S1). That is, it is determined whether or not the radio receiving unit 110, the CD playback unit 120, and the audio output unit 130, which are audio devices, are inactive.
If it is determined in step S1 that the audio device is in the normal operation mode (step S1; No), the position where the pressing operation is performed on the operation surface of the touch panel 6 is specified, and the current audio device is selected. The radio receiver 110, the CD player 120, or the audio output unit 130 is controlled by determining the operation state and the process assigned to the pressing operation position (step S5). Specifically, the playback operation, stop operation, fast forward operation, rewind operation, eject operation, reception station switching operation, reception band switching operation, volume adjustment operation, sound quality adjustment operation, etc. are performed according to the pressing operation position. The Rukoto.

In the determination of step S1, in the non-normal operation mode in which the power of the audio device is off, that is, in the clock display mode (step S1; No), the master microcomputer 100 makes an inquiry to the display microcomputer. It is determined whether or not a clock is displayed on the liquid crystal panel 5 (step S2).
FIG. 6 is an explanatory diagram of display state transition of the liquid crystal panel in the clock display mode.
In the determination of step S2, as shown in the upper part of FIG. 6, the liquid crystal panel is in the time display mode (time information display state) in which the clock display is being performed (time information display state) (step S2; Yes). The backlight (B / L) 5 is turned off and the clock display is turned off. As shown in the lower part of FIG.

In the determination of step S2, as shown in the lower part of FIG. 6, the clock display mode is turned off, and the clock display is turned off and nothing is displayed on the liquid crystal panel 5 (time information non-display state). (Step S2; No), the clock display is turned on, the backlight (B / L) is turned on, and the process is terminated as shown in the upper part of FIG.
That is, according to the present embodiment, the clock display / clock non-display can be switched by a simple operation such as a short press on the touch panel 6, so that the backlight (B / L) is lit, and even if it is too dazzling, it is possible to easily shift to the watch non-display state and improve usability.

Further, only when the clock display is necessary, the touch panel 6 can be displayed by a simple operation such as a short press, and the display can be turned off after confirmation.
As described above, according to the present embodiment, a predetermined operation (short press) is performed on an arbitrary part of the operation surface of the touch panel 6 constituting the touch panel display during the clock display mode (time information display mode). Each time, it is possible to change the state between a time information display state in which the liquid crystal panel 5 performs time information display and a time information non-display state in which the time information display on the liquid crystal panel 5 is prohibited. By operation, the user can easily set display / non-display of time information directly, and the driver can safely set even during driving.

  In the above description, only the time is displayed in the clock display mode. However, it is possible to display time information obtained by adding the day of the week, the month, the day, etc. to the time and make it non-displayable by the same operation. is there.

  In the above description, when the touch panel 6 is pressed for a short time, the display / non-display of the clock display is switched (first mode). In the clock display mode, the non-display state of the clock display is the basic state. It is also possible to adopt a configuration (second mode) in which the display state is shifted to only when the touch panel 6 is pressed for a short time, and the clock state is not displayed again, which is the basic state, after a predetermined time has elapsed.

Furthermore, it is possible to automatically switch between the first mode and the second mode according to a preset time zone. Specifically, it is sufficient to operate in the first mode during the daytime and operate in the second mode at night.
Furthermore, it is normally configured to operate in the first mode and operate in the second mode when a predetermined operation (for example, long press for about 2 seconds) is performed on the touch panel 6 in the clock display mode. It is also possible to do.

It is a front view of the car audio equipment which is one mode of the in-vehicle equipment concerning this embodiment. It is a front view of the apparatus main body of a car audio apparatus. It is a rear view of a detachable control panel (DCP). It is a block diagram which shows the functional structure of the apparatus main body and DCP of a car audio apparatus. It is a processing flowchart of an embodiment. It is explanatory drawing of the display state transition of the liquid crystal panel in timepiece display mode.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Car audio apparatus, 2 ... Apparatus main body, 3 ... Detachable control panel (DCP), 5 ... Liquid crystal panel (touch panel display), 6 ... Touch panel (touch panel display), 7 ... Operation key, 100 ... Master microcomputer (display control) Part), 110 ... radio reception part, 120 ... CD reproduction part, 130 ... sound output part, 151 ... display microcomputer (display control part, time information display part), 152 ... LCD driver (time information display part).

Claims (7)

In a display control device that performs display control of a touch panel display,
A time information display unit for displaying time information on the touch panel display based on time information input from the outside;
An operation detection unit that determines whether or not a predetermined operation has been performed on an arbitrary part of the operation surface of the touch panel display during a predetermined time information display mode;
Between the time information display state in which time information display is performed by the time information display unit and the time information non-display state in which time information display by the time information display unit is prohibited each time the predetermined operation is performed. A display control unit for state transition;
A display control apparatus comprising: The display control device according to claim 1,
The display control apparatus according to claim 1, wherein the predetermined operation is an operation of pressing the operation surface for a short time. The display control apparatus according to claim 1 or 2,
The display control device according to claim 1, wherein the time information includes at least a time of a time, a day of the week, a month, and a day. In an in-vehicle electronic device having a touch panel display and having a normal operation mode and a time information display mode for displaying time information as an operation mode,
A time information display unit for displaying time information on the touch panel display based on the time information;
An operation detection unit that determines whether or not a predetermined operation has been performed on an arbitrary part of the operation surface of the touch panel display during the time information display mode;
Between the time information display state in which time information display is performed by the time information display unit and the time information non-display state in which time information display by the time information display unit is prohibited each time the predetermined operation is performed. A display control unit for state transition;
An in-vehicle electronic device characterized by comprising: The display control device according to claim 4,
The display control apparatus according to claim 1, wherein the predetermined operation is an operation of pressing the operation surface for a short time. In a control program for controlling a vehicle-mounted electronic device having a touch panel display and having a normal operation mode and a time information display mode for displaying time information as an operation mode by a computer,
Whether or not a predetermined operation has been performed on an arbitrary part of the operation surface of the touch panel display during the time information display mode,
Between the time information display state in which time information display is performed by the time information display unit and the time information non-display state in which time information display by the time information display unit is prohibited each time the predetermined operation is performed. State transition,
A control program characterized by that. A computer-readable recording medium on which the control program according to claim 6 is recorded.

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