JPH11272971A - Mobile communication system for emergency call line office and emergency calling method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make it possible to connect either a mobile terminal (slave equipment) for general line connection or an emergency mobile terminal (emergency slave equipment) used for emergency calling. SOLUTION: A mobile communication system for an emergency call line office consists of a nurse call system and a PHS(personal handy-phone system) system for the office. The nurse call system consists of nurse call terminals 51 and 52 and a nurse call controller 16. The PHS system consists of a PHS exchange 17 for the office, a public line 45, a voice guidance device 18, base stations 11 and 12, and slave devices 31 to 34 and an emergency slave device A under their control. The general slave devices 31 to 34 and emergency slave device A can be accommodated by using the communication lines that the base stations 11 and 12 have together as a general communication line and an emergency call line in common through those respective systems.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mobile communication system for an emergency call line, comprising a nurse call system for emergency calls and a mobile communication system for a business.

[0002]

2. Description of the Related Art As is well known, a nurse call system for an emergency call includes a nurse call terminal installed near a patient in each ward and a nurse call control device connected to these nurse call terminals. . Each nurse call terminal includes a call button and a microphone and a speaker for making a call with a patient. On the other hand, the nurse call control device is installed in the nurse station,
A nurse call display panel is provided to display a light when there is a call from a patient.

In the nurse call system having such a configuration, an emergency call can be made to a nurse or a nurse (nurse) at a nurse station by a patient in a hospital room pressing a call button of a nurse call terminal at hand. .

However, such a nurse call system merely turns on a corresponding lamp on a nurse call display board and sounds a buzzer in response to pressing of a call button. It is not possible to quickly and easily obtain the necessary information about the patient who pressed.

In order to solve such a problem, a nurse call system, a portable telephone system and a telephone line system are combined to display various information on an information display monitor of a portable telephone carried by each nurse. Japanese Patent Application Laid-Open No. Hei 6-189012 (hereinafter referred to as "prior art") discloses a "nurse call information transmission system and a method for using the same", which make it possible to quickly and easily obtain necessary information about a patient. I have.

[0006] The nurse call information transmission system disclosed in the prior art includes a portable telephone carried by a nurse, a relay connection device for providing a service area to the portable telephone, and a call provided around a patient. It has a nurse call display board for displaying the state of the button, and a control device connected to the relay connection device and the nurse call display board. A control device for controlling the nurse call is connected to a private branch exchange to connect with a general telephone.
Further, the control device includes a storage device for storing information of each patient, and displays information of the called patient on an information display monitor provided on a mobile phone carried by the nurse. In the system of the prior art, a system with a low transmission amount such as analog is adopted as a wireless communication system.

[0007] The prior art nurse call information transmission system having such a configuration operates roughly as follows. When the patient initiates a nurse call by button operation, the control device displays the call information on the nurse call display board and, among the patient information stored in the storage device, the corresponding patient information. Is selected, and the information of the corresponding patient is transferred through the relay connection device.
By this information transfer, the mobile phone carried by the nurse is called, and the information of the patient who has activated the nurse call is displayed on the information display monitor of the mobile phone. As a result, the nurse carrying the mobile phone can know the information of the patient who has activated the nurse call at the time of receiving the call.

[0008]

However, the above-described prior art nurse call information transmission system has the following problems.

In the prior art system, each mobile phone carried by a doctor or a nurse is placed under a relay connection device connected to a control device. It is used not only as a communication means but also as a means for communicating a nurse call from a patient. In such a system configuration, a general call made by a plurality of mobile phones may cause all of the communication lines of the relay connection device connected to the control device to be in use. When such a situation occurs, there arises a problem that connection to a mobile phone under the relay connection device becomes impossible.

[0010] In addition, the mobile telephone system has a problem that the communication quality is inferior because the wireless communication system uses a system with a low transmission amount such as analog.

An object of the present invention, therefore, is to provide a mobile communication system for an emergency call line office capable of smoothly operating an emergency call in order to solve these problems of the prior art.

Another object of the present invention is to provide a mobile communication system for an emergency call line office having excellent call quality.

[0013]

According to a first aspect of the present invention, there is provided a mobile communication system for an emergency call line, comprising a nurse call system and a mobile communication system for a business. , A plurality of nurse call terminals, and a nurse call control device connected to the plurality of nurse call terminals, wherein the mobile communication system for business use comprises: a mobile communication exchange for business use connecting the nurse call control device; A plurality of base stations connected to the required mobile communication switchboard, and a plurality of mobile terminals moving within a service area covered by each of the plurality of base stations. Each of the plurality of base stations accommodates a plurality of lines. A mobile communication system for an emergency call line office, characterized in that at least one of these lines is used as an emergency line. Temu is obtained.

In the above-mentioned mobile communication system for an emergency call line office, the office mobile communication switchboard includes a location registration table indicating which base station each of the plurality of mobile terminals is under control of, and a line accommodated by each base station. And a line accommodating connection table showing connection states of the plurality of mobile terminals in the mobile terminal. The plurality of mobile terminals are divided into a normal mobile terminal and an emergency mobile terminal carried by a nurse (nurse). The communication exchange always refers to the location registration table and the line accommodation connection table to always open the emergency line of the base station to which the emergency mobile terminal belongs so that the emergency mobile terminal can use the emergency line at any time to make an emergency call. It is desirable to control so that it keeps.

Further, in the above-mentioned mobile communication system for an emergency call line establishment, when all the lines accommodated by the first base station are all used by ordinary mobile terminals, the first base station is adjacent to the first base station. An emergency mobile terminal performing an emergency call using the emergency line of the second base station has moved from the service area covered by the second base station to the service area covered by the first base station. In this case, the mobile switching center for business office refers to the line accommodation connection table, releases the general call using the emergency line of the first base station, and releases the emergency line of the released first base station. Preferably, the emergency call terminal is used to continue the emergency call.

According to a second aspect of the present invention, at least one of a plurality of lines accommodated by each base station in a business-use mobile communication system is also used as an emergency line,
When an emergency call is made in a state where the emergency line is used as a general call and the call is blocked, the general call is forcibly terminated to enable an emergency call using the emergency line. An emergency calling method is obtained.

In the above-mentioned mobile communication system for an emergency call line office and the above-mentioned emergency call method, the mobile communication system for an office is preferably a PHS system for an office.

[0018]

According to the prior art, when all of the communication lines that can be accommodated by the relay connection device are being used as general line calls, it is impossible to call a nurse call to any other portable telephone under the relay connection device except for the telephone call. Had become. On the other hand, in the present invention, at least one of the communication lines of each base station of the mobile communication system for business use is assigned exclusively to the call to the emergency mobile terminal, so that the emergency line exclusively assigned to the emergency call is assigned. It can be used in combination with general lines. If a nurse call is made during a general call using the emergency call emergency line, the call is disconnected, and the emergency call is switched to the nurse call call line. Operation can be performed smoothly.

Further, if the PHS system for business use is adopted as the mobile communication system for business use, the number of simultaneous calls per base station is increased because the wireless interface is performed by the PHS, and the communication quality is reduced by the analog communication system or the like. Is better than.

[0020]

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

FIG. 1 shows the configuration of a mobile communication system for an emergency call line office according to an embodiment of the present invention. The illustrated mobile communication system for the emergency call line office is a PHS (personal handy phone system) for the office.
An exchange 17 and base stations 11 and 12 connected thereto;
Mobile terminals (slaves) 31 to 34, A, and a nurse call system (described later) for emergency calling are provided. The mobile terminals are classified into normal mobile terminals (child units) 31 to 34 and emergency mobile terminals (emergency child units) A carried by nurses (nurses).

The business PHS exchange 17 is connected to the line side,
It has a trunk that also operates as an analog interface and a digital interface, is connected to the public line 45, and houses general extension telephones 41 to 43. On the other hand, the office PHS exchange 17 has a wireless-side interface device on the wireless side, is connected to the base stations 11 and 12 through the interface device, and is connected to the slave unit via the wireless interface. 31
It has an exchange function for making and receiving calls from and to.

The base stations 11 and 12 accommodated in the office PHS exchange 17 transmit a control carrier to the slave units 31 to 34 and A, and execute a radio control function. Handsets 31 to 34, A located in service areas 21 and 22 formed by base stations 11 and 12 perform a function of performing location registration in PHS exchange 17 for business establishment via the nearest base station after power-on. Also, it has a function of switching to another base station when a slave unit moves.

On the other hand, a nurse call system is a nurse call terminal 5 provided with a call button provided near a patient in each ward, a microphone and a speaker for talking with the patient.
1 and 52, which are connected to the nurse call control device 16. The nurse call control device 16 is connected to the PHS exchange 17 for business use,
It has a function of calling a child device carried by a nurse or the like.

In particular, the example shown in FIG. 1 has a first base station 11 and a second base station 12 as base stations. The base stations 11 and 12 and the nurse call control device 16 are respectively connected to a business PHS exchange 17.

The first base station 11 covers a first service area 21, while the second base station 12 covers a second service area 22. In the illustrated example, the first to third slave units 31 and 3 are controlled under the first base station 11.
2 and 33, while a fourth slave unit 34 exists under the control of the second base station 12. Also, as the number of communication lines accommodated in each base station, three communication lines are accommodated per base station.

The first to third general extension telephones 41, 42, and 43, the public line 45, the nurse call control device 16, and the voice guidance device 18 are connected to the business PHS exchange 17. I have. Nurse call control device 16
Are subordinate to the first and second nurse call terminals 51 and 52, which are installed in the first and second service areas 21 and 22, respectively. The nurse call terminal itself supplies a simple contact loop to the nurse call control device 16, and activates an emergency call by pressing a call button of the nurse call terminal at the time of an emergency call from a patient. is there.

A mobile communication system for an emergency call line office according to the present embodiment having such a configuration will be described with reference to FIGS. Here, FIG.
Is a line accommodation connection table between the first and second base stations 11 and 12 and the PHS exchange 17 for business use, and FIG. 3 is a position registration table of a subunit in the PHS exchange 17 for business use. FIG. 4 is a diagram showing a position registration state of the child device.

The first handset 31 located in the first service area 21 of the first base station 11 receives power after turning on the power (step S1) as shown in the handset location registration state diagram of FIG. , A transition is made to a state of waiting for a control channel radio wave from the first base station 11 (step S2).

Upon receiving the control channel radio wave, the first slave unit 31 completes the selection of the base station (step S3). Next, the first slave unit 31 transmits the control channel radio wave to the first base station 11 through the radio wave. A position registration request signal is transmitted (step S4).

When the first base station 11 receives the position registration request signal from the first slave unit 31, it transmits the request to the business-use PHS exchange 17.

In response to this request, the office PHS exchange 17 checks the data of the first slave unit 31 registered in advance (step S5).

As a result of this comparison, if it is determined that the first slave unit 31 is a legitimate registered slave unit, the PHS exchange 1
Reference numeral 7 denotes an internal position registration table (see the left column in FIG. 3).
The first slave unit 31 is registered as a subordinate of the first base station 11, and a location registration completion notification is sent to the first slave unit 31 via the first base station 11 (step S).
6).

Similarly, the power is also turned on for the second and third slave units 32 and 33 in the first service area 21 and the fourth slave unit 34 in the second service area 22. Then, the first base station 11
The latest state is always registered in the position registration table as a subordinate of the second base station 12 (see the left column of FIG. 3).

When the first slave unit 31 performs a calling operation, as shown in the left column of FIG. 2, the first slave unit 31 is connected to the office PHS exchange 17 through the line 11a of the first base station 11, and furthermore, As the connection destination, it is connected to the first general extension telephone 41. Similarly, the second handset 32 and the third handset 32
Each of the slave units 33 has the lines 11b and 1 of the first base station 11 as shown in the line accommodation connection table in the left column of FIG.
1c is connected to the second and third general extension telephones 42 and 43, and the fourth handset 34 is connected to the second base station 12
Is connected to the public line 45 through the line 12a.

Here, it is assumed that the emergency cordless handset A owned by the nurse in the second service area 22 is turned on. In this case, in the same manner as described above with reference to the location registration state diagram shown in FIG. 4, the emergency cordless handset A requests the location PHS exchange 17 through the second base station 12 for location registration, Thereby, as shown in the position registration table in the left column of FIG. 3, the information is registered as a subordinate of the second base station 12 on the position registration table.

When the location of the emergency cordless handset A under the control of the second base station 12 is registered, the PHS exchange 17 for the business office sets the emergency line specified in the line accommodation connection table shown in the left column of FIG. While checking the availability of 12c,
The reservation of the line use of the emergency line 12c is made, and the line use is rejected by another call request.

Under these conditions, first, the case where the patient A presses the call button of the second nurse call terminal 52 to make an emergency call will be described.

In this case, the nurse call control device 16
In addition to detecting the emergency call status, the business PH
Inform the S exchange 17 of the incoming emergency call. The office PHS exchange 17 determines from the position registration table in the left column of FIG. 3 in which one or more emergency cordless handsets are registered that the emergency cordless handset A is under the control of the second base station 12, The call operation of the emergency cordless handset A to the second base station 12 is performed.

Emergency cordless handset A in second service area 22 receives a call from nurse call control device 16 and responds. Nurse A carrying emergency cordless handset A
Knows the status of the emergency call and, if appropriate,
It is possible to have a conversation with the patient A through a speaker attached to the second nurse call terminal 52, and to know the state of the patient A in detail.

Next, a case will be described where the emergency cordless handset A in the second service area 22 moves to the first service area 21 in a state where the power is turned on, that is, in a standby state.

In this case, the emergency cordless handset A is connected to the second base station 1
Since the control channel from the first base station 11 is received as a higher-level control channel radio wave than the control channel radio wave from the second base station, as shown in the slave unit position registration state diagram shown in FIG. A location registration request is made to one base station 11. Thereby, as shown in the right column of FIG. 3,
The accommodation of the emergency cordless handset A under the second base station 12 on the position registration table is deleted, and the emergency cordless handset A is newly registered under the first base station 11.

As a result, the business PHS exchange 17
From the line accommodating connection table shown in the left column of FIG.
When it is determined that the third telephone 43 and the third telephone 43 are in a connected state, the voice guidance device 18 in the office PHS exchange 17 is forcibly interrupted to the connection state between the third slave 33 and the third telephone 43. And announce the necessity of forced disconnection, and perform forced disconnection in a timely manner.

Further, the office PHS exchange 17 sets the emergency line 11c in an empty state and registers it on the line accommodating connection table, and while the emergency slave unit A is under the control of the first base station 11, the emergency line 11c And make a line reservation for emergency calls.

When the patient A in the second service area 22 makes an emergency call again using the second nurse call terminal 52, the business is performed via the nurse call device 16 in the same manner as described above. The emergency PHS exchange 17 is notified of the incoming emergency call. The office PHS exchange 17
From the position registration table shown in the right column of FIG.
Is determined to be under the control of the first base station 11, the emergency line 11 c in the line accommodation connection table is confirmed to be idle, and the call processing of the emergency cordless handset A through the first base station 11 is performed. The emergency cordless handset A responds, and the connection of the emergency call is completed (see the right column in FIG. 2).

Subsequently, the emergency cordless handset A remains in the talk state for the second time.
The case where the user moves from the service area 22 to the first service area 21 will be described.

In this case, the emergency cordless handset A is connected to the second base station 1
When the mobile station moves from the second base station 11 to the first base station 11 at a switchable level, first, a request for switching to the first base station 11 is made via the control channel of the second base station 12. Tell 17

In response to this request, the office PHS exchange 17 judges that the first base station 11 is in an emergency state from the line accommodating connection table shown in the left column of FIG. A control operation to release the call is performed for the third slave unit 33 and the third telephone 43 connected to the emergency line 11c in the first base station 11. Thereafter, when the emergency line 11c of the first base station 11 is released, the office PHS exchange 17 connects the emergency slave A during the call as shown in the right column of FIG. It is possible to switch from the second base station 12 to the first base station 11 without disconnecting the call of A.

The present invention is not limited to the above-described embodiment, and various modifications and changes can be made without departing from the gist of the present invention. For example, in the above embodiment, the PHS for business use is used as the mobile communication system for business use. However, if high quality is not required as the communication quality, another mobile communication system for business use using the analog communication system is used. May be used.

[0050]

As described above, according to the present invention, when the emergency mobile terminal is registered under the base station, the communication line of the base station is used for both the general line and the emergency line. One is assigned to an emergency line, and if there is a state of general call, the general call is released once, so the emergency line is always reserved, and it is possible to connect to the emergency mobile terminal at any time for emergency calls of nurse calls Becomes

[Brief description of the drawings]

FIG. 1 is a block diagram showing a schematic configuration of a mobile communication system for an emergency call line office according to an embodiment of the present invention.

FIG. 2 is a diagram showing a line accommodation connection table provided in a PHS exchange for business use in the mobile communication system for emergency call line business shown in FIG. 1;

FIG. 3 is a diagram showing a location registration table provided in a PHS exchange for business use in the mobile communication system for emergency call line business shown in FIG. 1;

FIG. 4 is a flowchart showing a state for registering a position of a mobile terminal (slave unit) in the mobile communication system for an emergency call line office shown in FIG. 1;

[Explanation of symbols]

 11, 12 Base station 16 Nurse call control device 17 PHS exchange for business office 18 Voice guidance device 21, 22 Service area 31-34 Mobile terminal (slave unit) 41-43 General extension telephone 45 Public line 51, 52 Nurse call terminal A Emergency mobile terminal (emergency cordless handset)

──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. ⁶ Identification code FI H04Q 3/58 101 H04B 7/26 106B 7/38 H04Q 7/04 D

Claims (6)

[Claims] 1. A mobile communication system for an emergency call line business comprising a nurse call system and a mobile communication system for business use, wherein said nurse call system comprises a plurality of nurse call terminals and said plurality of nurse call terminals. A nurse call control device connected to the business establishment mobile communication system, wherein the business establishment mobile communication system connects the nurse call control device, and a plurality of base stations connected to the business establishment mobile communication exchange. And a plurality of mobile terminals that move within a service area covered by each of the plurality of base stations, wherein each of the plurality of base stations accommodates a plurality of lines and at least one of the plurality of lines A mobile communication system for an emergency call line office, wherein the line is used as an emergency line. 2. The mobile communication switch for business use, wherein a location registration table indicating which base station each of the plurality of mobile terminals is under control of, and a plurality of mobile terminals on a line accommodated by each base station. A line accommodating connection table indicating a connection state, wherein the plurality of mobile terminals are divided into a normal mobile terminal and an emergency mobile terminal carried by a nurse (nurse). In order for the emergency mobile terminal to use the emergency line at any time to perform an emergency call, refer to the location registration table and the line accommodation connection table, and change the emergency line of the base station to which the emergency mobile terminal belongs. 2. The mobile communication system according to claim 1, wherein the mobile communication system is controlled so as to be kept free. 3. The emergency line of a second base station adjacent to the first base station in a state where all the lines accommodated by the first base station are all used by the ordinary mobile terminal. When the emergency mobile terminal that has performed the emergency call using moves from a service area covered by the second base station to a service area covered by the first base station, The mobile communication switch releases the general call using the emergency line of the first base station with reference to the line accommodation connection table, and uses the released emergency line of the first base station. 3. The mobile communication system according to claim 2, wherein the emergency call is continued by the emergency mobile terminal. 4. The mobile communication system according to claim 1, wherein the business mobile communication system is a business PHS system. 5. A mobile communication system for business use, wherein at least one of a plurality of lines accommodated by each base station is also used as an emergency line, and the emergency line is used as a general call and is closed. If there is an emergency call, the general call is forcibly terminated so that the emergency call using the emergency line can be made. 6. The emergency calling method according to claim 5, wherein the business mobile communication system is a business PHS system.