JP2001211259A - Nurse call system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a nurse call system which increases convenience, in the case that a caller placed in the vicinity of a corridor light calls a person, at a nurse center to establish a call and which enriches simultaneous broadcast from the nurse center. SOLUTION: When a corridor light call button 50 of each of corridor lights 21a,..., 21d to which bed slave units 11a,...14a,..., 11d,...14d each having a call button 40, a bed microphone 41 and a bed loudspeaker 42 are connected is depressed, a call signal converted into an incoming signal is sent to a nurse call master unit 1 via a trunk line L1, and the master unit microphone 31 and master unit loudspeaker 32 of the nurse call master unit transmit/receive a voice signal to/from a corridor light microphone 51 and a corridor light speaker 52 of the corridor light to establish a call. Furthermore, when a simultaneous call button 30 of the nurse call master unit is operated, a voice for simultaneous broadcast received through the master unit microphone is sounded by the corridor light loudspeakers of the corridor lights and the bed loudspeakers of the bed slave units via the trunk line.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a nurse call device installed in a hospital, a nursing care facility, and the like, and more particularly, to a case where a caller near a corridor light calls a called person in a nurse center to establish a call. The present invention relates to a nurse call device that enhances simultaneous broadcasting from a nurse center with the convenience of the above.

[0002]

2. Description of the Related Art A nurse call apparatus having a configuration shown in a block diagram of FIG. 3 has been proposed as a nurse call apparatus of this type.

In the nurse call apparatus shown in FIG. 1, a nurse call base unit 101 installed at a nurse center has a general call button 130, a base unit microphone 131, a base unit speaker 132, and a base unit call control circuit (hereinafter referred to as a base unit call control circuit). Machine call CP
U) 133, a base unit voice control circuit (hereinafter referred to as a base unit voice CPU) 134, and a base unit transceiver circuit 135.

[0004] A plurality of rooms, here four rooms a, b,
Beds 111a,... 114a,..., provided for each bed in c and d, in this case, four beds in the same room.
, 111d,... 114d have the same configuration, and include a bed call button 140, a bed microphone 141, and a bed speaker 142.

[0005] It is installed near the entrance of each of the sickrooms a, b, c, and d, and is installed on each bed in the same sickroom as the nurse call master unit 101 via a trunk line (hereinafter, referred to as a pair of trunk lines) L101. .. 114a,..., 1
Corridor lights 1 connected to 11d,... 114d respectively
.., 121d have the same configuration, and include a hallway call control circuit (hereinafter, referred to as a hallway call CPU) 150, a hallway sound control circuit (hereinafter, a hallway sound C).
151), and a corridor light transceiver circuit 152.

[0006] In this case, various types of information transmitted from the corridor lamps 121a,... 121d of the sickrooms a, b, c, and d to the nurse call master unit 101 of the nurse center via a pair of trunk lines L101. The transmission direction of signals (calls, voices, etc.) is defined as the upstream direction, while one pair of trunk lines L
The transmission direction of various signals transmitted to the corridor lamps 121a,...

[0007] In the nurse call apparatus configured as described above, the patient on the bed in the sickroom, in this case, the patient on the sickbed with the bed child unit 111a in the sickroom a calls the nurse in the nurse center. In addition, bed child unit 111
When the bed call button 140 is operated, a corridor light calling CPU 1 serving as a corridor light 121a that detects this operation is executed.
From step 50, a call signal S obtained by signal conversion (not described in detail) into an upstream transmission format to which predetermined address information has been added.
101a is output. The calling signal S101a is transmitted from the corridor light transceiver circuit 152 to a pair of trunk lines L101, and the nurse call master device 101 is transmitted through the pair of trunk lines L101.
Is received by the base transceiver circuit 135.

Main unit call C forming nurse call main unit 101
The PU 133 detects a call from a patient on the sickbed where the bed child device 111a is installed in the sickroom a, based on the address information forming the call signal S101a received by the base transceiver circuit 135. Base unit call CPU in call detection state
The main unit voice CPU 134 controlled by the unit 133 sounds a ringing tone on the main unit speaker 132 and notifies the nurse in the nurse center of the call. When the nurse in the nurse center confirms this and appropriately answers the call (not detailed) at the nurse call master device 101, the corridor lamp 1 detecting this operation.
Under the control of the corridor light calling CPU 150 forming the corridor 21a, the bed microphone 141 and the bed speaker 142 forming the bed slave unit 111a, the corridor light voice CPU 151 forming the corridor light 121a, the corridor light transceiver circuit 152, a pair of trunk lines L101, and the nurse call A signal transmission path is formed between the parent device microphone 131 and the parent device speaker 132 via the parent device transceiver circuit 135 and the parent device audio CPU 134 that constitute the parent device 101. As a result, the patient in the sickbed where the bed child device 111a in the sickroom a as the caller is installed and the nurse in the nurse center as the called person transmit voice signals via the signal transmission path formed as described above. Send and receive to establish a two-way call.

Next, in order for the nurse in the nurse center to broadcast simultaneously to the patients in each of the beds in all the rooms a, b, c and d, the simultaneous call button 130 forming the nurse call master unit 101 is pressed. When the operation is performed, the base unit calling CPU 133 that detects this operation outputs a general call signal S201 to which predetermined address information is added and signal conversion (not described in detail) into a downlink transmission format. This paging signal S201
Is a pair of trunk line L10 from the base transceiver circuit 135.
1 is transmitted to the corridor lamp 121 via the pair of trunk lines.
a,... the corridor light transceiver circuit 15 forming 121d
2, respectively.

The corridor lamp calling CPU 150 forming the corridor lamps 121a,...
Based on the address information forming the general call signal S201 received in 2, the general call from the nurse in the nurse center is detected. Corridor light voice CPU 15 controlled by corridor light call CPU 150 in a general call detection state
Numeral 1 denotes a corridor light transceiver circuit 152, a pair of trunk lines L101, and a nurse call master unit 1 from a bed speaker 142 which is the bed child unit installed on each bed in the same hospital room.
01, base unit transceiver circuit 135, base unit voice CP
A signal transmission path to the parent device microphone 131 via the U134 is formed.

Here, the voice (for simultaneous broadcasting) inputted by the nurse in the nurse center via the parent device microphone 131 constituting the nurse call parent device 101 is transmitted to the parent device voice CPU 13.
4 A / D converted digital audio signal S for simultaneous broadcasting
Output as 301. The broadcast digital audio signal S301 is transmitted from the master transceiver circuit 135 to a pair of trunks L101, and the corridor lamp transceiver circuit 152 forms the corridor lights 121a,..., 121d via the pair of trunks. Respectively.

The corridor light voice CPU 151 forming the corridor lights 121a,...
The digital audio signal for broadcast S301 received at 2 is D / A converted. Simultaneous broadcast analog audio signal S301 ', which has been D / A-converted by corridor light audio CPU 151, causes bed speakers 142, which are the bed slave units installed on the respective beds in the same hospital room, to sound. Thereby, the patients on the beds in all the rooms a, b, c, and d can check the simultaneous broadcast from the nurses in the nurse center.

[0013]

However, the corridor lamps 121a,.
In the function d, a patient in the vicinity of the corridor or a nurse traveling in the corridor calls the nurse in the nurse center to establish a call, and a function to broadcast a broadcast from the nurse in the nurse center. Is not provided. This allows
For example, in order to make a patient in the vicinity of a hallway feel sick and urgently call and contact a nurse in a nurse center, a bed call button 140 that goes to a bed in a nearby sickroom and forms the bed child unit is used. It is necessary to operate and make a call using the bed microphone 141 and the bed speaker 142, which has a disadvantage that it is complicated. In addition, a patient in the vicinity of a hallway light, a nurse traveling in the hallway, etc. It was not possible to confirm the simultaneous broadcast from the nurses inside, and there was a problem that the rapid execution of nursing work was hindered especially for nurses traveling in the corridor.

[0014] The present invention has been made to solve the above-mentioned difficulties, and a corridor light installed near the entrance of a hospital room includes:
A function was provided in which a patient in the vicinity of the corridor or a nurse traveling along the corridor called the nurse in the nurse center to establish a call, and a function of broadcasting a broadcast from the nurse in the nurse center. It is an object to provide a nurse call device.

[0015]

In order to achieve the above object, a nurse call apparatus according to the present invention includes a nurse call base unit provided at a nurse center and having a base unit microphone and a base unit speaker connected to each other via a trunk line. A nurse call device connected to a corridor light provided near the entrance of a hospital room, and a bed call button, a bed slave unit having a bed microphone and a bed speaker connected to the corridor light, and a corridor light call button in the corridor light. By providing a hallway microphone and a hallway speaker, a hallway call button is operated by a caller near the hallway light to convert a calling signal into an up signal and transmit it to a nurse call base unit via a main line, The base unit of the call receives the up signal, and sends a voice signal between the calling party and the called party through the hallway microphone, the hallway speaker and the base unit microphone, and the base unit speaker. And performs call by Shin.

Further, the nurse call device according to the present invention comprises:
By operating the general call button from the nurse call master unit, the simultaneous broadcast is performed using the hallway speaker.

In such a nurse call apparatus, a patient in the vicinity of a corridor lamp as a caller, a nurse patrolling in the corridor, etc. calls a nurse in a nurse center as a called person to call a corridor lamp. When a corridor light call button is operated, a call signal converted to an upward transmission format by the corridor light is transmitted to a nurse call master unit installed at a nurse center via a main line, and a corridor used by a caller A signal transmission path is formed between the corridor light microphone and the corridor light speaker forming the lamp, and the parent device microphone and the parent device speaker forming the nurse call parent device used by the callee, and two-way communication is established. In addition, the voices input by the nurses in the nurse center via the main unit microphone to broadcast simultaneously are sounded by the corridor light speakers forming the corridor lights connected to the main line and the bed speakers forming the bed slave units. You. As a result, it is possible to enhance the convenience when a patient in the vicinity of the corridor or a nurse traveling around the corridor calls a nurse in the nurse center to establish a call, and to expand the simultaneous broadcasting from the nurse center.

[0018]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A preferred embodiment to which a nurse call device according to the present invention is applied will be described below with reference to the drawings.

FIG. 1 is a block diagram showing the configuration of a nurse call apparatus according to one embodiment of the present invention. A nurse call master unit 1 installed in a nurse center and a plurality of sick rooms, here four sick rooms A and B, are shown. , C, and D, in this example, bed child units 11 installed for every four beds in the same room
a,... 14a,..., 11d,.
Nurse call master unit 1 via L 1, bed slave unit 11 installed on each bed in the same room
14a,..., 11d,... 14d connected to the corridor lights 21a,.

In the nurse call master unit 1, a nurse in the nurse center has a patient in each of the beds in all the rooms A, B, C and D,
A paging button 30 operated to broadcast simultaneously (paging) to a patient in the vicinity of a corridor or a nurse patroling the corridor, a call from a patient on a bed in a sickroom, or a vicinity of a corridor. Nurses in the nurse center who responded to calls from patients and nurses traveling around the corridor,
A parent device microphone 31 and a parent device speaker 32 for inputting and outputting a voice (voice signal) for establishing a call, a call from a patient on a bed in a hospital room, a patient in the vicinity of a hallway light, and a nurse traveling around the hallway And the like, and a paging call control circuit (hereinafter referred to as a paging call CPU) for detecting a paging call from a nurse in the nurse center by the paging button 30 respectively.
33, and the parent device microphone 31 and the parent device speaker 32 controlled by the parent device calling CPU 33 in the call detection state.
A signal transmission path is appropriately formed between the signal transmission path and a master transceiver circuit 35, which will be described later, and A / D conversion and D / A conversion are performed on audio (audio signal) transmitted and received via the signal transmission path. Base unit voice control circuit (hereinafter, referred to as base unit voice CPU) that outputs a ringing tone to be sounded by base unit speaker 32
And a base transceiver circuit 35 for transmitting and receiving various signals (call, voice, etc.) between the pair of trunk lines L1 and the base unit calling CPU 33 or the base unit voice CPU. In addition, the nurses in the nurse center make all rooms A, B,
Voices (voice signals) for broadcasting simultaneously to patients on each bed in C and D, patients in the vicinity of the corridor lights, and nurses traveling on the corridor are input via the main unit microphone 31. You.

.. 14a,..., 1
1d,..., 14d each have the same configuration, and include a bed call button 40 operated by the patient on the bed to call a nurse in the nurse center, and a nurse in the nurse center called by the patient on the bed. A bed microphone 41 and a bed speaker 42 for inputting and outputting voice (voice signal) for establishing a call are provided.
Numeral 2 has a function of broadcasting a simultaneous broadcast from a nurse in the nurse center.

Each of the corridor lights 21a,..., 21d has the same configuration, and is a corridor operated by a patient in the vicinity of the corridor light or a nurse traveling around the corridor to call a nurse in the nurse center. Light call button 50 and a hallway light microphone for inputting and outputting a voice (voice signal) for establishing a telephone call with a nurse in a nurse center called by a patient in the vicinity of the hallway or a nurse traveling in the hallway. 51 and the corridor light speaker 52, a call from a patient on a bed in the same room, a call from a patient in the vicinity of the corridor, a nurse traveling around the corridor, and a simultaneous call from a nurse in a nurse center. The corridor light call control circuit to be detected (hereinafter, corridor light call C)
53) and a corridor light call CPU in a call detection state.
The bed microphone 41 and the bed speaker 4 of the bed child unit controlled by the bed 53 and installed on the bed of the caller
2, or hallway light microphone 51 and hallway light speaker 52
And a corridor lamp for appropriately forming a signal transmission path between the apparatus and a corridor light transceiver circuit 55 to be described later, and performing A / D conversion and D / A conversion of sound (audio signal) transmitted and received through the signal transmission path. Voice control circuit (hereinafter referred to as corridor light voice CPU)
54, a main unit transceiver circuit 55 for transmitting and receiving various signals (call, voice, etc.) between the pair of main lines L1 and the hallway light calling CPU 53 or the hallway sound voice CPU 54. It has a function to broadcast simultaneous broadcasts from nurses in the nurse center.

FIG. 2 is a schematic front view showing the configuration (housing configuration) of hallway lamps 21a,..., 21d constituting a nurse call device according to one embodiment of the present invention. Is provided with a hallway call button 50, a hallway microphone 51, and a hallway speaker 52.

Here, the light is transmitted from the corridor lights 21a,..., 21d of each of the rooms A, B, C, D to the nurse call master unit 1 of the nurse center via a pair of trunk lines L1. The transmission direction of various signals (calls, voices, etc.) is defined as the upward direction, while the transmission of various signals transmitted from the nurse call master unit 1 to the corridor lamps 21a,..., 21d via a pair of trunk lines L1. The direction is the down direction.

The operation of the thus configured nurse call apparatus according to one embodiment of the present invention will be described below.

The patient on the bed in the sickroom, here sickroom A
In order to call a nurse in a nurse center, a patient on the sickbed in which the bed child device 11a in
When the bed call button 40 is operated, the corridor lamp calling CPU 53 forming the corridor lamp 21a that detects this operation adds predetermined address information and converts the signal into an upstream transmission format (not described in detail). The signal S1a is output. The calling signal S1a is transmitted from the corridor light transceiver circuit 55 to one pair of trunk lines L1, and received by the parent device transceiver circuit 35 forming the nurse call parent device 1 via the pair of trunk lines.

Base unit calling CPU forming nurse call base unit 1
Reference numeral 33 detects a call from a patient on the sickbed in the sickroom A where the bed slave 11a is installed, based on the address information forming the call signal S1a received by the base transceiver circuit 35. The base unit voice CPU 34 controlled by the base unit calling CPU 33 in the call detection state makes the base unit speaker 32 emit a ringing sound and notifies the nurse in the nurse center of the call. When the nurse in the nurse center confirms this and appropriately answers the call (not described in detail) at the nurse call master unit 1, the bed child is controlled by the corridor light calling CPU 53 constituting the corridor light 21a that detects this operation. From the bed microphone 41 and the bed speaker 42 forming the machine 11a,
1a, a corridor light audio CPU 54, a corridor light transceiver circuit 55, a pair of trunk lines L1, a main unit transceiver circuit 35 forming the nurse call main unit 1, and a main unit microphone 31 and a main unit speaker 32 via the main unit audio CPU 34. Is formed.

That is, the voice input by the patient on the sickbed having the bed slave unit 11a in the sickroom A as the caller via the bed microphone 41 forming the bed slave unit 11a is transmitted to the hallway light forming the hallway light 21a. It is output as an upstream digital audio signal S11a subjected to A / D conversion by the audio CPU 54. The upstream digital audio signal S11a is transmitted from the corridor light transceiver circuit 55 to one pair of trunk lines L1, and received by the parent device transceiver circuit 35 forming the nurse call parent device 1 via the pair of trunk lines.

Base unit voice CPU constituting nurse call base unit 1
34 performs D / A conversion of the upstream digital audio signal S11a received by the base transceiver circuit 35. Base unit voice C
Upstream analog audio signal S D / A converted by PU34
11a 'makes the main unit speaker 34 ring. Thus, the nurse in the nurse center, which is the called person, can confirm the voice of the patient on the bed on which the bed child device 11a in the hospital room A, which is the called person, is installed.

On the other hand, the voice input by the nurse in the nurse center, which is the called person, through the parent device microphone 31 constituting the nurse call parent device 1 is converted into an A / D signal by the parent device voice CPU 34.
This is output as the converted downstream digital audio signal S12. The downstream digital audio signal S12 is transmitted from the master transceiver circuit 35 to a pair of trunks L1, and received by the corridor light transceiver circuit 55 forming the corridor light 21a via the pair of trunks.

A corridor light audio CPU 54 constituting the corridor light 21a
Performs D / A conversion on the down-stream digital audio signal S12 received by the hallway light transceiver circuit 55. Hallway Light Voice CP
Downstream analog audio signal S1 that has been D / A converted in U54
2 'causes the bed speaker 42 constituting the bed slave 11a to sound. Thereby, the patient on the bed on which the bed child device 11a in the sickroom A as the caller is installed can check the voice of the nurse in the nurse center as the callee, and thus a two-way call is established.

Next, a patient in the vicinity of the hallway lamp 21d, which is installed near the entrance to the sickroom D, such as a patient in the vicinity of the hallway light or a nurse patroling the hallway, feels unwell, When the corridor light call button 50 constituting the corridor light 21d is operated in order to urgently call and contact the nurse, the corridor light call CPU 53 which detects this operation,
A call signal S21d to which predetermined address information has been added and which has been signal-converted (not described in detail) into an upstream transmission format is output. The calling signal S21d is transmitted from the corridor light transceiver circuit 55 to one pair of trunk lines L1, and received by the parent device transceiver circuit 35 forming the nurse call parent device 1 via the pair of trunk lines.

Main unit calling CPU constituting nurse call main unit 1
33 is a corridor lamp 21 based on the address information forming the calling signal S21d received by the base transceiver circuit 35.
A call (emergency call) from a patient near d is detected. The base unit voice CPU 34 controlled by the base unit calling CPU 33 in the call detection state makes the base unit speaker 32 emit a ringing sound and notifies the nurse in the nurse center of the call. When a nurse in the nurse center confirms this and appropriately answers the call (not detailed) at the nurse call master 1,
A corridor light call CP that forms the corridor light 21d that has detected this operation
Under the control of U53, the hallway light microphone 51 and the hallway light speaker 52 output the hallway light audio CPU 54, the hallway light transceiver circuit 55, one pair of trunk lines L1, the main unit transceiver circuit 35 forming the nurse call main unit 1, and the main unit audio CPU 3
4, a signal transmission path is formed between the parent device microphone 31 and the parent device speaker 32.

That is, the voice input by the patient located near the hallway lamp 21d as the caller via the hallway microphone 51 forming the hallway light 21d is an up-digital sound that has been A / D converted by the hallway voice CPU 54. It is output as a signal S31d. The upstream digital audio signal S31d is transmitted from the corridor light transceiver circuit 55 to one pair of trunk lines L1, and received by the parent device transceiver circuit 35 forming the nurse call parent device 1 via the pair of trunk lines.

Base unit voice CPU constituting nurse call base unit 1
34 performs D / A conversion of the upstream digital audio signal S31d received by the base transceiver circuit 35. Base unit voice C
Upstream analog audio signal S D / A converted by PU34
31d 'makes the main unit speaker 34 ring. Thus, the nurse in the nurse center, which is the called person, can confirm the voice of the patient who is near the corridor lamp 21d, which is the calling person.

On the other hand, the voice input by the nurse in the nurse center, which is the called person, through the parent device microphone 31 constituting the nurse call parent device 1 is converted into an A / D signal by the parent device voice CPU 34.
This is output as the converted downstream digital audio signal S32. The downstream digital audio signal S32 is transmitted from the master transceiver circuit 35 to a pair of trunks L1, and received by the corridor light transceiver circuit 55 constituting the corridor lamp 21d via the pair of trunks.

A corridor light audio CPU 54 forming the corridor light 21d
Performs D / A conversion of the downstream digital audio signal S32 received by the hallway light transceiver circuit 55. Hallway Light Voice CP
Downstream analog audio signal S3 D / A converted by U54
2 'causes the hallway speaker 52 to ring. Thereby, the patient in the vicinity of the corridor lamp 21d, which is the caller, can confirm the voice of the nurse in the nurse center, which is the callee, and thus a two-way call is established.

Next, a nurse in the nurse center simultaneously sends a patient on each bed in each of the rooms A, B, C, and D, a patient in the vicinity of the corridor lamp, a nurse traveling in the corridor, and the like. When the paging button 30 of the nurse call base unit 1 is operated for broadcasting, the base unit call CP that detects this operation is operated.
U33 outputs a paging signal S41 to which predetermined address information has been added and which has been converted into a downlink transmission format (not described in detail). The paging signal S41 is transmitted from the base transceiver circuit 35 to a pair of trunks L1, and the hallway lights 21a,.
Each of them is received by the corridor light transceiver circuit 55 constituting 1d.

The corridor lamp calling CPU 53 forming the corridor lamps 21a,... 21d receives a paging signal S41 received by the corridor lamp transceiver circuit 55 from the nurse in the nurse center based on the address information forming the paging signal S41. Are detected respectively. Corridor light call CPU5 in simultaneous call detection state
The corridor light CPU 54 controlled by the control unit 3 transmits a corridor light transceiver circuit 55, a pair of trunk lines L1, a nurse, from the bed speaker 42 and the corridor light speaker 52, which are the bed slaves, installed on each bed in the same hospital room. Base transceiver transceiver circuit 35 constituting base of call base 1, base unit voice CPU
A signal transmission path to the parent device microphone 31 is formed through 34.

Here, the voice (for simultaneous broadcasting) inputted by the nurse in the nurse center via the parent device microphone 31 constituting the nurse call parent device 1 is transmitted to the parent device voice CPU 34 at A.
It is output as a / D converted broadcast digital audio signal S51. The broadcast digital audio signal S51 is
.. Are transmitted from the master transceiver circuit 35 to a pair of trunks L1, and are passed through the pair of trunks.
Each of them is received by the corridor light transceiver circuit 55 constituting 21d.

The corridor light audio CPU 54 forming the corridor lights 21a,... 21d performs D / A conversion on the broadcast digital audio signal S51 received by the corridor light transceiver circuit 55. Simultaneous broadcast analog audio signal S51 ', which has been D / A-converted by corridor light audio CPU 54, is converted into a bed speaker 42, which is a bed child unit installed on each bed in the same hospital room.
And the hallway speaker 52 are sounded. Thereby, patients on each bed in all the rooms A, B, C, and D, and patients near the corridor lights and nurses traveling around the corridor can check the simultaneous broadcast from the nurses in the nurse center. .

In the above-described embodiment, the number of hospital rooms and the number of beds in the hospital room are four. However, the present invention is not limited to this, and is applicable to large hospitals and nursing homes having a large number of hospital rooms and beds. Even if applied, a similar effect is achieved.

[0043]

As is apparent from the above description, according to the nurse call apparatus of the present invention, a call is made by calling the nurse call master unit installed at the nurse center to the corridor light installed near the entrance of the hospital room. And the function of notifying the simultaneous broadcast from the nurse call master unit, so that patients in the vicinity of the hallway lights and nurses traveling around the hallway call the nurses in the nurse center and talk. And the enhancement of simultaneous broadcasting from the nurse center.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration of a nurse call device according to one embodiment of the present invention.

FIG. 2 is a schematic front view showing the configuration of a hallway light constituting a nurse call device according to one embodiment of the present invention.

FIG. 3 is a block diagram showing a configuration of a conventional nurse call device.

[Explanation of symbols]

1. Nurse call master unit 11a,... 14a,..., 11d,.
(Plural) bed slaves 21a,... 21d... (Plural) corridor lights 30,... General call button 31,..., Base unit microphone 32,. Master speaker 40... Bed call button 41... Bed microphone 42... Bed speaker 50... Corridor light call button 51... Corridor light microphone 52.・ ・ ・ Corridor light speaker L1 ・ ・ ・ ・ ・ ・ ・ Main line

Claims (2)

[Claims] A master microphone (3) provided at a nurse center.
1) and a nurse call base unit (1) having a base unit speaker (32) is connected via a main line (L1) to a corridor lamp (21a,..., 21d) provided near the entrance of each hospital room. ., 11d,..., 1d, having the bed call button (40), the bed microphone (41), and the bed speaker (42) in the hallway light.
4d) a nurse call device connected to the hallway lamp, wherein a hallway lamp call button (50), a hallway microphone (51) and a hallway speaker (52) are provided in the hallway light, thereby setting the hallway lamp call button. When a caller in the vicinity of the corridor light operates, a call signal is converted to an up signal and transmitted to the nurse call master via the trunk line, and the nurse call master receives the up signal and receives the call signal. A nurse call device for transmitting and receiving a voice signal between the hallway lamp microphone, the hallway lamp speaker, the base unit microphone, and the base unit speaker to perform a call between the base station speaker and the called person. 2. The nurse call apparatus according to claim 1, wherein a broadcast is performed by operating the paging button (30) from the nurse call master unit by using the hallway speaker.