JPH0918366A - Information display device - Google Patents

Abstract

PURPOSE: To eliminate or substantially reduce blank time and to improve display efficiency by performing meter display in a display part even at the time of a condition standby state in which desired external information is not received. CONSTITUTION: A reception part 2 receives transmission signals relating to the external information, a sensor part 10 is installed at the state detection part of a vehicle and originates input signals, the display part 4 performs external information display based on the transmission signals or the meter display based on the input signals and a switching part 7 selects display in the display part 4. A processing part 9 normally performs the meter display in the display part 4 and performs the external information display in the display part 4 by the operation of the switching part 7, however, when the external information is not received, performs the meter display in the display part 4 after the short time of standby state display until the external information is received.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for displaying various information as visual information such as characters, numbers, figures and symbols.

[0002]

2. Description of the Related Art FM character multiplex broadcasting, in which information is displayed as visual information, is started by multiplexing a signal relating to visual information such as characters with a signal of normal audio information, and a device for receiving the same (a so-called "view radio"). )) Has been put to practical use (for example, JP-A-3-6129, JP-A-3-220822, and JP-A-4-339420).
Reference). According to such an apparatus, it is possible to simultaneously receive voice information, such as information related to a stereo voice program such as a song name and a singer name, information such as news and weather forecasts, road traffic information, etc., and to receive such external information. It is an epoch-making information display device that can be obtained at the same time.

FIG. 5 is a block diagram for explaining the structure of an information display device for receiving FM teletext and displaying visual information. Reference numeral 1 is an information display device for receiving a transmission signal relating to the external information and displaying the information as visual information such as characters, numbers, figures, and symbols, 2 is a receiving unit for receiving the transmission signal,
3 is a pattern storage unit in which a display pattern of the visual information is stored in advance, 4 is a display unit for displaying the visual information,
Reference numeral 5 is a data storage unit for storing and holding the visual information, 6 is a power supply unit including an on-vehicle battery and a constant voltage circuit, 7 is a switch unit for performing desired processing, 8 is a clock unit for measuring time, and 9 is a receiving unit. By inputting a signal from the unit 2 and reading the display pattern from the pattern storage unit 3, the display unit 4
The switch unit 7 controls the visual information displayed by
The visual information is stored in the data storage unit 5 in accordance with the operation of, and the time from turning off the power supply unit 6 to the time when the power supply unit 6 is turned on is measured by a signal from the clock unit 8. The control unit includes a microcomputer or the like that erases the visual information.

More specifically, the information display device 1 is constructed integrally with an audio FM radio, and the components relating to audio information are omitted. Then, the transmission signal is
The signal related to visual information is superimposed and transmitted in addition to the normal audio information by the multiplexing technology of the broadcast radio signal of FM radio. The receiving unit 2 receives this signal and separately obtains the information related to visual information. To do. Then, the characters, numbers, and the like stored in the pattern storage unit 3 including a RAM and the like
The display pattern of visual information such as figures and symbols is read and the external information is displayed on the display unit 4 including a dot matrix type LCD or the like.

Further, the visual information can be stored in the data storage unit 5 in accordance with the operation of the switch unit 7. The data storage unit 5 is always backed up by a power supply unit 6 composed of a battery or the like RAM or EEPROM. And the like, and holds the memory until the switch section 7 is operated next time.

[0006]

By the way, in the so-called condition waiting state in which desired external information is not received, the display 4 displays a blank display or a waiting state display indicating the condition waiting state (for example, " Please wait for a little while")
It is common to do. Even if a condition waiting state occurs if the display is a sequential operation device, the display item is automatically switched to the next display item at a fixed time, so that there is no problem in automatically moving to the next display item, but the information display device 1 is installed in the vehicle. In the case of a selective display that is used as a display, the display items are not automatically switched. On the other hand, in such a case, since there is various information to be displayed, it is not desirable to make the blank time of the display unit 4 because the display efficiency is lowered.

[0007]

In order to solve the above-mentioned problems, a receiving unit for receiving a transmission signal relating to external information, a sensor unit installed at a vehicle state detection point and issuing an input signal, and the transmission signal A display unit that performs external information display based on the input signal or a meter display based on the input signal, a switch unit that selects the display on the display unit, and normally by performing the meter display on the display unit and operating the switch unit. And a processing unit that causes the display unit to display the external information, but causes the display unit to display the meter until the external information is received when the external information is not received.

Further, in order to solve the above-mentioned problems, a receiving section for receiving a transmission signal related to external information, a sensor section installed at a state detecting portion of a vehicle to issue an input signal, and an external information display based on the transmission signal. Alternatively, a display unit for performing a meter display based on the input signal, a switch unit for selecting a display on the display unit, and usually for displaying the meter on the display unit and operating the switch unit for the display unit. A processing unit that causes external information to be displayed, but if the external information is not received, causes the display unit to perform the meter display until the external information is received after the standby state is displayed for a short time, and Is to have.

[0009]

By displaying the meter on the display unit even in the condition waiting state in which desired external information is not received, the blank time can be deleted or greatly reduced to improve the display efficiency. It becomes an information display device.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION The present invention will be described below with reference to the embodiments shown in the accompanying drawings. The same or corresponding portions as those of the above-mentioned prior art will be designated by the same reference numerals and detailed description thereof will be omitted.

FIG. 1 is a block diagram for explaining the configuration of an information display device 1 according to the present invention mounted on a vehicle.
The same or corresponding portions as those of the conventional technique are designated by the same reference numerals, and detailed description thereof will be omitted. Reference numeral 10 denotes a vehicle state detection point, for example, an axle for detecting the traveling distance of the vehicle, a fuel tank for detecting the remaining amount of fuel, a cooling water tank for detecting the engine cooling water temperature, and a gear position. 3 is a sensor unit composed of a plurality of sensors installed in a transmission or the like, and the control unit 9 inputs a signal from the sensor unit 10 to display a in FIG.
Various meter displays as shown by b and c are performed. Switching of these displays is performed by a user operating the switch unit 7, automatic switching by the control unit 9 at regular intervals, or automatically by the control unit 9 when a signal for giving an alarm or attention to the control unit 9 is input. The operations and actions are performed by switching, but are not directly related to the present invention, and details thereof will not be described in detail.

The control unit 9 normally displays the meter as described above (step A in FIG. 2), but the user operates the switch 7 to see external information (for example, road traffic information) (at the same step). B), if the information is received, the information is displayed on the display unit 4 as external information as shown in FIG. 4 (steps C and D), and the display is continued while the meter display is not selected. When selected, the meter display is switched (step E).

By the way, when external information display is selected from the meter display, but the desired road traffic information is not yet received, the display unit 4 waits for no information for a predetermined time (for example, 2 seconds). A certain standby state display (for example, "no current reception") is performed (step F,
G), and then the normal meter display is performed (step H). Then, it is determined whether or not the information is received (at step I), external information is displayed when the information is received (at step D), and when the switch section 7 is selected again when the information is not received, the above step F is performed. Control is continued so that the subsequent waiting state display and the meter display after step H are continued when not selected (at step J).

Therefore, even in the condition waiting state in which desired external information is not received, the display unit 4 displays the meter (step H in the same step). Can be significantly reduced compared to
The display efficiency can be improved. The standby state display (steps F and G in the same step) does not necessarily have to be used.

The display unit 4 of the information display device 1 is configured as a single unit and is embedded in the dashboard ahead of the driver's seat, or is integrally incorporated in the combination meter together with the meter component parts such as the combination meter body,
Can be used.

As described above, the control unit 9 normally operates the display unit 4
The display of the external information is performed on the display unit 4 by operating the switch unit 7 and the display of the external information by operating the switch unit 7. However, if the external information is not received, the display unit 4 displays the external information until the external information is received. In the case where the meter display is performed, or normally, the display section 4 is caused to perform the meter display and the switch section 7 is operated to cause the display section 4 to display the external information, but the external information is not received, By performing control such that the display unit 4 displays the standby state for a short time and then displays the meter until the external information is received, by performing control such that desired external information is not received Even if there is, the display section can display the meter to eliminate or significantly reduce the blank time to improve the display efficiency.

[0017]

According to the present invention, a receiving section for receiving a transmission signal relating to external information, a sensor section installed at a vehicle state detection point for emitting an input signal, and external information display or the input based on the transmission signal. A display unit for performing a meter display based on a signal, a switch unit for selecting a display on the display unit, and usually for displaying the meter on the display unit and operating the switch unit to display the external information on the display unit. And a processing unit that causes the display unit to perform the meter display until the external information is received when the external information is not received,
Even in the condition waiting state in which desired external information has not been received, the display unit performs meter display, thereby providing an information display device capable of eliminating blank time and improving display efficiency.

When the processing unit normally causes the display unit to display the meter and also causes the display unit to display the external information by operating the switch unit, when the external information is not received. Displays the meter on the display unit for a short time and then displays the meter until the external information is received.The display is made even in the condition waiting state where desired external information is not received. By displaying the meter, the blank time can be significantly reduced and the display efficiency can be improved, and the standby status display indicates that the condition is in a waiting state, so that the user does not feel uncomfortable. It becomes an information display device.

[Brief description of the drawings]

FIG. 1 is a block diagram illustrating a configuration of an exemplary embodiment of the present invention.

FIG. 2 is a flowchart illustrating a processing method of a control unit according to the embodiment.

FIG. 3 is a front view illustrating a meter display on the display unit according to the embodiment.

FIG. 4 is a front view for explaining external information display on the display unit according to the embodiment.

FIG. 5 is a block diagram illustrating a configuration of a conventional technique.

[Explanation of symbols]

 1 information display device 2 receiving unit 4 display unit 7 switch unit 9 control unit 10 sensor unit

Claims (2)

[Claims] 1. A receiving unit that receives a transmission signal related to external information, a sensor unit that is installed at a vehicle state detection point and emits an input signal, an external information display based on the transmission signal, or a meter based on the input signal. A display unit for displaying, a switch unit for selecting a display on the display unit, and usually for displaying the meter on the display unit and operating the switch unit for displaying the external information. An information display device, comprising: a processing unit that causes the display unit to display the meter until the external information is received when the external information is not received. 2. A receiving unit that receives a transmission signal related to external information, a sensor unit that is installed at a vehicle state detection point and emits an input signal, an external information display based on the transmission signal or a meter based on the input signal. A display unit for displaying, a switch unit for selecting a display on the display unit, and usually for displaying the meter on the display unit and operating the switch unit for displaying the external information. And a processing unit that causes the display unit to display the standby state for a short time when the external information is not received, and then displays the meter until the external information is received. Information display device.