JP3372906B2 - Character information display method and system - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to character information display, and more particularly to a character information display method and system for displaying character information on a large-scale display or the like installed at a remote place using a pager system.

[0002]

2. Description of the Related Art Conventionally, as a character information display system in which a pager and a character display device are combined, a system using a commercial power source is known. In addition, as a system using a pager, as a disaster prevention observation device in a remote place, a power supply control system is known, which operates by a storage battery and controls the power supply from a transmission side to suppress the power consumption of a battery.

For example, Japanese Patent Laid-Open No. 10-3592 discloses such a disaster prevention observation system. This system always turns off the power supply to the on-site observation device driven by the storage battery, and when the observation operation of the on-site observation device becomes necessary from the on-site disaster prevention information data obtained via the disaster prevention information dedicated line. The power is turned on by transmitting a power-on signal via a pager.

[0004]

In the text information display system, it is assumed that the commercial power supply will be damaged and become disconnected when a disaster occurs. Even in such a case, emergency information such as disaster prevention information is reported. , It is required that the display can be operated for a long time.

Further, the disaster prevention observation system is used for control for turning on the power of the pager. However, in addition to switching the power supply, there are requests for transmission of various information, display, and control of power saving. It is hard to say that the rational system configuration is satisfied.

As a character information display system suitable for a disaster or the like, it can be efficiently operated for a long time with a limited amount of electric power,
It is important to be able to reliably provide the minimum required information to the victims, and it is desirable to realize a rational system for this purpose.

(Object) It is an object of the present invention to provide a character information display method and system using a pager, which enables long-time operation in the event of a disaster.

Another object of the present invention is to provide a character information display method and system for stopping the character information display except for displaying the emergency information when the battery is operated.

[0009]

A character information display method of the present invention is a character information display method for receiving a message from a higher-level terminal by a pager and displaying the received message on a display other than the pager. Using an external power supply as a power source for the display unit and a backup storage battery for the external power supply, the display unit provides emergency information from the host terminal when the backup storage battery is used due to the disconnection of the external power supply. Is displayed, and all the messages transmitted from the host terminal are displayed when power is supplied from the external power supply. Further, it is characterized in that the control device transmits no control information other than emergency information at night or when display is unnecessary by a control signal transmitted from the host terminal.

The character information display system of the present invention is a character information display comprising a pager for receiving a message from a higher-level terminal and a display equipped with a backup storage battery for an external power supply for displaying a message received by the pager. In the system, the indicator is controlled to a sleep mode in which only an emergency message is displayed when power is supplied from the backup storage battery, and a non-sleep mode in which all received messages are displayed when power is supplied from the external power supply. In addition, the switching of the sleep mode or the non-sleep mode is controlled by a control signal from the upper terminal. Also,
It is characterized in that it is controlled to a non-sleep mode at night when power is supplied from an external power supply or when display is unnecessary.

The character information display device of the present invention is a pager for receiving a message from an upper terminal, a display device for displaying a message received by the pager, an external power supply to the display device, and the external device. A character information display device including a backup storage battery for a power supply, and a sleep mode for displaying only a message transmitted as urgent information from a higher-level terminal when the backup storage battery is used due to the disconnection of an external power supply. When the power is supplied from the external power supply, the mode is switched to a non-sleep mode in which all messages received from the higher-order side terminal are displayed.

(Operation) In displaying character information using a pager, it is possible to operate the information display with low power consumption. When providing the necessary emergency information, the display is turned on and the power saving character information is displayed, which is not the normal information display.

In a normal operation mode, the brightness is arbitrarily suppressed by a control command sent from the host computer according to the situation such as nighttime or when not in use, and only the information reception control system is operated without displaying a message or the like. The sleep mode is set, and the display of text information can be operated with low power consumption. Also, in the event of a disaster, if the commercial power source is off, the storage battery drive is automatically switched to and the sleep mode is operated. Even in the sleep mode operation, when an emergency message or the like, which is display information in an emergency, is received, the display is activated and the message is displayed. Also, when the display of the emergency message and the like is finished, the display unit is put into the sleep mode again.

In the event of a disaster or the like, by displaying only the emergency message and not displaying any other message, the power consumption of the storage battery can be suppressed, and a storage battery with a small capacity can be operated for a long time.

[0015]

DESCRIPTION OF THE PREFERRED EMBODIMENTS (Description of Configuration) Next, as one embodiment of a character information display method and system of the present invention, a pager / pager (referred to as "pager").
A detailed description will be given of a character information display method and system for providing information to victims and the like in the event of a disaster.

FIG. 1 is a diagram showing the configuration of a character information display method and system showing the outline of the present embodiment. In the present embodiment, an upper terminal 1 such as a personal computer, a pager base station 3 connected to the upper terminal 1 by a public telephone line 2, a pocket connected to the pager base station 3 by a wireless line. The bell 4 and the pager 4 are connected to a character information display device including a large-sized display 5 for displaying character information.

FIG. 2 is a block diagram showing the configuration of the character information display device of the character information display system including the pager according to the embodiment of the present invention. This character information display device includes a pager 16 for receiving a message from the pager base station 3, a data converter 15 for accommodating the pager 16 and inputting and processing the data of the received message, and a data converter 15 A reception display unit including a display unit 17 for displaying character information output from the DC power supply 11, a DC stabilized power supply 11 connected to the external power supply 10, a storage battery 13 to which power is supplied from the DC stabilized power supply 11, and a storage battery 1.
3 control of charging, selection of power supply (external power supply and storage battery) and output of control signal to data converter 15, power from DC stabilized power supply 11 or storage battery 13 via power supply control device 12 Inverter 1 supplied with
It is composed of a cubicle unit 18 composed of four.

The outline of the character information display system of the present embodiment shown in FIGS. 1 and 2 is as follows. In FIG. 1, the pager 4 (16) from the upper terminal 1 through the general public line 2 and the pager base station 3 is used. ), Display information such as a message (referred to as “message”) is transmitted. Then, the message transmitted from the host terminal 1 is received by the pager 4 (16) shown in FIG. 2, and the message is converted into display data by the data conversion device 15 and displayed on the display unit 5.

The power supply system of the character information display device shown in FIG. 2 is composed of two systems, an external power supply 10 such as a commercial power supply and a storage battery 13, and a data converter 15 and a display unit 17.
When the external power supply 11 is normal, the external power supply 11
The power is supplied from the storage battery 13, and the power is supplied from the storage battery 13 when the power supply of the external power supply 11 is cut off due to a disaster or the like. That is, a power supply configuration having a buffer-up capacitor is adopted.

Next, the details of the function of each section in the present embodiment are as follows. The pager 16 accommodated in the data conversion device 15 of the reception / display unit is the upper terminal 1
Information such as a transmission message from the etc. is received as a message signal and output to the data conversion device 15. Here, the message signal transmitted from the upper-level terminal 1 or the like includes either a normal message that does not include emergency information or an emergency message that includes emergency information such as disaster information. A control code is added to a message in an emergency so that the transmitted message can be identified as an emergency message, and the message is transmitted.

The data converter 15 includes an external power supply 10
Alternatively, electric power is supplied from the storage battery 13, and in principle, it is always in an operating state. The message signal input from the pager 16 is converted into a character signal or the like and output to the display device 17, and a display to be described later on the display device 17 is performed. Control the mode.

The display unit 17 has a function of switching to operate in either a sleep mode in which the normal message is not displayed except for an emergency message and a non-sleep mode in which all messages and various displays are displayed. And has switching control between sleep mode and non-sleep mode,
Control command from external terminal 1 and external power supply 10
It is controlled by a control signal from the cubicle unit 18 side based on the supply state of.

In the cubicle unit 18, the stabilized DC power supply 11 rectifies the AC voltage and outputs a stabilized DC voltage when the AC voltage from the external power supply 10 is normally supplied, and outputs the stabilized DC voltage. The storage battery 13 is charged via a, and a direct current voltage is supplied to the indicator 17 by the power line b. The power supply control device 12 monitors the output voltage of the DC stabilized power supply 11 and the charging voltage of the storage battery 13 to control charging, and when the external power supply 1 malfunctions, the output of the storage battery 13 is sent to the DC stabilized power supply 11. Switch to supply. Further, the power supply control device 12 supplies the power from the stabilized direct current power supply 11 to the inverter 14 and determines whether the power is supplied from the external power supply 10 or the storage battery 13 to the data conversion device 15 in the sleep mode. Alternatively, a control signal for controlling the non-sleep mode is output through the signal line c. The inverter 14 converts the DC power supplied from the power supply controller 12 into power and supplies it to the data converter 15.

When the external power supply 10 is cut off in an emergency such as a disaster and the storage battery 13 is switched to drive, the flow of power is as follows: storage battery 13 → DC stabilized power supply 11 → display 1
7 and the storage battery 13 → the stabilized DC power supply 11 → the power supply control device 12 → the inverter 14 → the data conversion device 15, and the character information display system is operated by the power supply of the backup storage battery. When the pager 16 is installed and connected to the data converter 15, the pager 16 receives power from the data converter 18.

As can be seen from the above, when the external power supply 10 is cut off and normal power cannot be supplied, the storage battery 13 is switched to supply power,
The DC stabilized power supply 11 outputs a stabilized DC voltage from the storage battery 13 to drive the display 17, and the power supply control device 12 supplies power to the data conversion device 15 via the inverter 14, and further the power supply control device. Reference numeral 12 outputs a control signal to the data conversion device 15 to put the display device 17 in the sleep mode. Further, the upper-level terminal 1 can control the display device 17 to the non-sleep mode by a control command during normal operation, and to the sleep mode at night or when the display device 17 is not used.

In the present embodiment, the higher-level terminal 1 transmits a control command relating to display control of the character information display device and switching of the power source used, and the power source to be used is supplied from the external power source 11.
And the storage battery 13 can be switched, and the display operation can be switched to either the sleep mode or the non-sleep mode, and it depends on whether the transmission message is the normal message or the emergency message. It can be switched to display operation.

(Description of Operation) Next, the operation of the character information display system of the present embodiment shown in FIG. 2 will be described in detail below.

First, in normal operation, the character information display device is supplied with power from the external power supply 10 such as a commercial power supply, and the display 17 is controlled by the data converter based on the control signal from the power supply controller 12. Is set to non-sleep mode. A message signal or the like from the higher-level terminal 1 is received by the pager 16, converted into display data by the data conversion device 15 and displayed on the display device 17. In this state, the storage battery 13 is the external power supply 1
The charging operation of electric power is performed by the rectified voltage of 0. In this state, the higher-level terminal 1 can send a control signal for switching the power supply source to the pager 16 and control the power supply to switch from the external power supply 10 to the storage battery 13.

Next, in the normal non-sleep mode, if the external power supply 10 is cut off due to a disaster or the like in the area where the character information display device is installed and the power transmission system is damaged, the cubicle The power supply of the unit 18 is controlled by the power supply control device 12 so that the external power supply 1
The sleep mode is switched from 0 to the storage battery 13, and at the same time, the display 17 is controlled by the data conversion device 15 based on the control signal from the power supply control device 12 to operate only the control system such as reception and does not display a normal message. Switch to mode.

In this state, when a message such as emergency information is sent as an emergency message by adding a control code for emergency identification from the upper terminal 1 or the like, the data converter 15 receives the data received from the pager 16. The control code recognizes that it is emergency information, activates the display unit 17, and displays only the emergency message. Also,
Data conversion device 1 for messages other than urgent messages
Discarded by 5.

When the external power supply 10 is restored, a control signal is output from the power supply control device 12 to the data conversion device 15, and the data conversion device 15 releases the sleep mode of the display unit 17 and puts it in the non-sleep mode.

As described above, according to the character information display method and system of the present invention, the operation period of the character information display system is extended as much as possible by stopping the display operation of the display 17 which consumes a large amount of power when a disaster or the like occurs. In addition to the above, it is possible to display the emergency information that has been transmitted at any time, and to promptly and smoothly carry out the transmission of information on disasters and the response to disasters.

In order to cancel the sleep mode as necessary, the higher-level terminal 1 transmits a sleep mode OFF control command for canceling the sleep mode. The data converter 15 that has received the control command displays the display 17
To wake up. The display 17 that has been released from sleep can be normally operated by the storage battery 13. In this case, the display 17 can be configured to display the message or the like received up to that point.

In the above embodiment, control is performed so as to switch to the sleep mode when the external power supply 10 switches to the storage battery 13 in the event of a disaster. By transmitting a sleep mode ON control command for switching to the mode to the pager 16, it is possible to switch the power supply source from the external power supply to the storage battery 13 and switch the character information display system to the emergency operation. is there. In addition, as an emergency display form, it is possible to arbitrarily suppress the brightness or to display by a voice display or the like other than a visible display. The external power supply may be a solar battery power supply instead of the commercial power supply.

Further, as an application field of the present invention, an indicator for transmitting and displaying disaster prevention and emergency information used by public institutions, an emergency indicator in a vehicle (in an emergency state in the vehicle, an emergency stop, etc.)
In addition, it is conceivable that there will be an indicator in case of an accident or accident in the factory.

[0036]

According to the present invention, the power consumption of the storage battery can be suppressed by using it as a backup storage battery in the event of a disaster and displaying only an emergency message. It is possible to realize a character information display system even with a small storage battery.

In addition, depending on the situation such as nighttime or when not in use, a sleep mode can be set in which only emergency information is displayed by a control command from a higher-level terminal such as a personal computer. Operation of the information display system is possible.

[Brief description of drawings]

FIG. 1 is a diagram showing an outline of a character information display method and system of the present invention.

FIG. 2 is a block diagram showing the configuration of a character information display method and system of the present invention.

[Explanation of symbols]

1 Upper terminal 3 pager center 4, 16 pagers 5,17 Indicator 10 External power supply 11 DC stabilized power supply 12 Power control device 13 Storage battery 14 Inverter 15 Data converter 18 cubicle section

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Claims (5)

(57) [Claims] 1. A character information display method for receiving a message from a higher-level terminal by a pager and displaying the received message on a display other than the pager, wherein an external power supply is used as a power supply for the display and the external A backup storage battery for the power supply is used, and when the backup storage battery is used due to the disconnection of the external power supply, only the message transmitted as emergency information from the host terminal is displayed on the display, and the external power supply is used. A character information display method characterized by displaying all received messages transmitted when power is supplied from a power supply. 2. The control signal transmitted from the higher-ranking terminal prevents the display device from displaying anything other than urgent information at night or when display is unnecessary.
How to display the written text information. 3. A character information display system, comprising: a pager for receiving a message from a higher-level terminal and a display equipped with a backup storage battery for an external power supply for displaying the message received by the pager, wherein the display is When the power is supplied from the backup storage battery, it is controlled to a sleep mode in which only an emergency message is displayed, and when the power is supplied from the external power supply, it is controlled to a non-sleep mode in which all received messages are displayed. The switching between the sleep mode and the non-sleep mode is controlled by the control signal of 1. 4. The character information display system according to claim 3, wherein the character information display system is controlled to a non-sleep mode at night or when display is unnecessary. 5. A pager for receiving a message from an upper terminal, a display for displaying a message received by the pager, an external power supply to the display, and a backup storage battery for the external power supply. A character information display device equipped with a sleep mode that displays only a message sent as emergency information from the host terminal when the backup storage battery is used due to the disconnection of the external power supply, and the power from the external power supply. The character information display device is characterized in that, when supplied, it switches to a non-sleep mode in which all messages received from the higher-ranking terminal are displayed.