JP2012029030A - Nurse call transfer system and nurse call system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a nurse call transfer system and a nurse call system that can add a transfer function of calling to existing nurse call systems without modifying them and at reasonable cost.SOLUTION: A nurse call system, which comprises multiple slave units 3 and a master unit 10 that responds to a call from any one of the slave units 3 to display the call on a call display area 11, includes a nurse call transfer system 2a that transfers the call to a portable terminal owned by a nurse. The nurse call transfer system 2a includes a fixed-point camera 20 that produces image data on the call display area 11 and a control unit 30a connected to the fixed-point camera 20. The control unit 30a includes an image analysis unit 31 that, based on the image data, identifies a calling origin among the slave units 3, a message creation unit 32 that creates a message containing information on the identified slave unit 3, and a message transmission unit 33 that transmits the created message to a portable terminal 6.

Description

  The present invention relates to a nurse call transfer system that transfers a call from a patient to a nurse's portable terminal so that the nurse can confirm the call even at a location away from the nurse station, and the transfer system. There was a nurse call system.

  Conventionally, in hospital wards of hospitals, a nurse call system has been used in which a patient can call a nurse packed in a nurse station by pressing a call button at hand. In general, in this nurse call system, when the call button is pressed, a display that can identify the patient who has pressed the call button is displayed on a display panel (master unit) attached to the wall of the nurse station, and in the vicinity. A ringing tone is played to inform the nurse who is calling. In addition, the nurse who notices the call can talk with the patient via the call means provided in the parent machine.

  In recent years, a wireless nurse call system that transfers a call to a portable terminal (cell phone, PHS, etc.) held by each nurse when the call is made has begun to be used. According to this nurse call system, it is possible to prevent the ringing tone from being continuously sounded at an unattended nurse station at night when the number of nurses packed is small, and nurses can be nursed each time a call is made. Since there is no need to return to the station, there is an advantage that the call from the patient can be quickly handled and the quality of the nursing service is improved.

JP 2002-247218 A

  However, since the wireless nurse call system is intended to replace the entire old non-wireless nurse call system, there is a problem that the introduction cost is very high. Also, the introduction of the above-described wireless nurse call system involves a large-scale construction in which an old system is removed and a new system is installed, so that calls cannot be made over a long period of time, which may hinder nursing services.

  The present invention has been made in view of the above circumstances, and the problem is that the call transfer function can be added to the existing nurse call system without any changes, and the introduction cost is low. It is an object of the present invention to provide a cheap nurse call transfer system and a nurse call system using the same.

  In order to solve the above problems, a nurse call transfer system according to the present invention includes a plurality of slave units, a master unit that receives a call from the slave unit and displays a call in a call display area, and the master unit receives a call. A nurse call transfer system that transmits a call to a nurse's mobile terminal, and is provided with a call means that makes a call with a calling means that makes a call with a caller's slave. A fixed-point camera that is directed to the parent device and generates image data in the call display area, and a control unit connected to the fixed-point camera, and the control unit specifies a calling child device based on the image data An image analysis unit, a message generation unit that generates a message containing information about the specified slave unit, and the generated message transmitted to the nurse's mobile terminal It is characterized in that it comprises a message transmitter that.

  According to this configuration, there is no change to the existing non-wireless nurse call system, and a fixed point camera such as an inexpensive web camera and a personal computer as a control unit are prepared, and the personal computer is networked. The call transfer function can be easily added to an existing nurse call system at a low cost by simply connecting to the existing call system.

In the nurse call transfer system, the fixed point camera generates image data every predetermined time, the call display area is divided into a plurality of child device areas corresponding to each of the child devices, and the image analysis unit includes the image data It is possible to configure so as to specify the calling child device depending on which child device region has changed among the plurality of pixel values constituting the.
According to this configuration, it is possible to identify the caller child device relatively easily.

In the nurse call transfer system, the fixed-point camera has electric swinging means for moving the shootable area, and the image analysis unit moves to the shootable area due to a deviation in the direction of the fixed-point camera. When it is detected that at least a part of the call display area is not included, it is possible to operate the electric swinging means to correct the above deviation.
According to this configuration, it is possible to prevent a call from being missed or an error from occurring in specifying a caller's child device.

Further, in the nurse call transfer system, the control unit further includes hooking control means, and when the hooking control means performs a call, the hooking state of the calling means is changed from an on-hook state to an off-hook state, thereby generating a ringing tone. It is preferable to make it stop.
According to this configuration, it is possible to prevent the ringing tone from continuing to sound.

In the nurse call transfer system having the hooking control unit, the control unit further includes a setting information holding unit, the setting information holding unit holds setting information regarding a preset ringing tone stop delay time, and the hooking control unit includes: After the call is made by referring to the setting information holding unit, the hooking state of the calling means can be changed to the off-hook state after waiting for the ringing tone stop delay time to elapse.
In this case, it is preferable that the setting information holding unit holds setting information related to a plurality of ringing tone stop delay times set in advance for each time zone.
According to this configuration, for example, when the number of nurses packed is relatively large, it is possible to make flexible settings such as extending the time for which the ringing tone continues, and to make the system more convenient Can do.

In the nurse call transfer system including the hooking control unit, the control unit further includes a message receiving unit, the message receiving unit receives a reply message to the message transmitted from the message transmitting unit from the portable terminal, and the hooking control unit includes: After the reply message is received by the message receiving unit, the hooking state of the calling means can be changed to the off-hook state.
According to this configuration, the nurse can be surely notified that the call has been made.

The nurse call transfer system having the hooking control means further includes an acoustic coupler disposed in proximity to the receiver of the call means, wherein the control unit further includes an IP phone unit and a call detection unit, and the IP phone unit includes: The voice acquired by the acoustic coupler is converted into voice data and transmitted to the portable terminal, and the voice data transmitted from the portable terminal is converted into voice and output from the acoustic coupler. When the operation starts, a command signal is sent to the hooking control means to change the hooking state of the calling means to an off-hook state, and when the IP telephone unit stops operating, a command signal is sent to the hooking control means to turn on the hooking state of the calling means. It is preferable to change the state.
According to this configuration, when a call is made, the nurse can make a call with the caller's handset using his / her mobile terminal at hand instead of the handset, further enhancing convenience. it can.

Further, in the nurse call transfer system, the control unit further includes a transfer history storage unit, and the transfer history storage unit stores transfer history information including at least a time when a call is made and information on a caller slave unit. Can be configured to.
According to this configuration, by analyzing the accumulated transfer history information later, it is possible to grasp a time zone and a patient with a high calling frequency, and to enhance nursing services.

  In order to solve the above problems, a nurse call transfer system according to the present invention includes a plurality of slave units, a master unit that receives a call from the slave unit and displays a call in a call display area, and the master unit calls And a call means for making a call sound when the call is received and enabling a call with the caller handset, and one of the above nurse call transfer systems.

  According to the present invention, it is possible to add a call transfer function to an existing nurse call system without any change, and to provide a nurse call transfer system with a low introduction cost, and a nurse call system using the same. be able to.

1 is a block diagram of a nurse call transfer system and a nurse call system according to a first embodiment of the present invention. (A) is a schematic diagram showing an example of image data, and (B) and (C) are examples of image data before and after call display, respectively. It is a flowchart which shows operation | movement of the control part in 1st Example. It is a graph which shows an example of the change of the pixel value during call display. It is a block diagram of a nurse call transfer system and a nurse call system according to a second embodiment of the present invention. It is a side view which shows the specific aspect of a hooking control means, Comprising: (A) (B) (C) is a figure of a 1st aspect, a 2nd aspect, and a 3rd aspect, respectively. It is a block diagram of a nurse call transfer system and a nurse call system according to a third embodiment of the present invention. It is a block diagram of a nurse call transfer system and a nurse call system according to a fourth embodiment of the present invention. It is a block diagram of a nurse call transfer system and a nurse call system according to a modification of the present invention.

  Hereinafter, preferred embodiments of a nurse call transfer system and a nurse call system according to the present invention will be described with reference to the accompanying drawings. In each embodiment, it is assumed that the nurse carries a PHS as a portable terminal.

[First embodiment]
FIG. 1 shows a nurse call system 1a according to a first embodiment of the present invention. As shown in the figure, the nurse call system 1a includes a plurality of slave units 3 and a master unit 10, a fixed point camera 20, and a control unit 30a that constitute an existing non-wireless type nurse call system. The fixed point camera 20 and the control unit 30a constitute the nurse call transfer system 2a according to the first embodiment. Further, the control unit 30a can transmit a message to the PHS 6 of a specific nurse or to all the PHS 6 of the nurses via the network 4 and the wireless base station 5.

  The subunit | mobile_unit 3 is provided in the patient's bed vicinity (for example, bedside), and has a call button, a speaker, and a microphone at least. When the patient presses the call button, a call display is made on the parent device 10 and a call between the child device 3 and the parent device 10 is possible, and the called requirement can be communicated to the nurse of the nurse station.

  The base unit 10 is provided at an easy-to-see position on the wall surface of the nurse station, and has at least a calling unit 14 and a display panel having a call display area 11. The calling means 14 includes a receiver 15 for making a call with the calling handset 3 and a speaker 16 for making a ringing tone when receiving a call. The call display area 11 is divided into a plurality of child device areas 12 (12 '), and each child device area 12 includes a patient name tag and a call lamp 13. For example, when a call from a certain child device 3 is received, the call lamp 13 in the child device area 12 corresponding to the child device 3 blinks or lights, and the nurse can know which patient is calling. When there is a call from another handset 3, the call lamp 13 in another handset area 12 naturally flashes.

  The fixed-point camera 20 constituting the nurse call transfer system 2a is attached to a ceiling 21 of the nurse station so that the entire call display area 11 can be included in the shootable area A, and is called at predetermined intervals. Image data of the display area 11 is generated. As the fixed point camera 20, a web camera that can be purchased for several thousand yen can be used. However, the sensitivity is such that two to three image data can be generated per second even in a dim nurse station at night. It is necessary to have. The predetermined time automatically changes according to the ambient brightness.

  The control unit 30a is, for example, a personal computer used in a general home or office, and includes an image analysis unit 31, a message generation unit 32, and a message transmission unit 33 as shown in FIG. Each time the fixed point camera 20 generates new image data, the control unit 30a acquires the image data from an input terminal such as a USB. When it is determined that the call has been made by analyzing the acquired image data, a message is transmitted to the nurse's PHS 6. The transmitted message is delivered to the PHS 6 via a network 4 such as a local area LAN or the Internet. The message can be transmitted using e-mail, for example, and in a wireless LAN environment, the message can be displayed by pop-up on the portable terminal 6 that supports wireless LAN such as iPhone. A more detailed operation of the control unit 30a will be described later.

  As shown in FIG. 2, the image data P generated by the fixed point camera 20 has a VGA size of 640 pixels wide × 480 pixels vertical. In the present embodiment, the call display area 11 and the shootable area A exactly match, and the pixel value of (1, 1) pixels (in this embodiment, the brightness) is the brightness of the upper left corner of the call display area 11. The pixel value of (640, 480) pixels indicates the brightness of the lower right corner of the call display area 11.

  The image data P is divided into a plurality of handset area data P11 to P41... P110 to P410 (total of 40 pieces), and each handset area data is divided into one of the handset areas 13 (see FIG. 1). It corresponds to 1: 1. Thus, for example, when the image data P shown in FIG. 2C is generated after the image data P shown in FIG. 2B is generated, the child device area is based on the coordinates of the pixels whose brightness has changed. Data P35 is specified. As a result, it is understood that there has been a change in the slave unit area 12 ′ (see FIG. 1) corresponding to the slave unit area data P35, and finally, the slave unit 3 corresponding to the slave unit area 12 ′ is called the child of the caller. Can be identified as a machine. 2B shows the image data P in a state where the calling lamp 13 is turned off. However, when the calling lamp 13 is turned on, the brightness of the pixel in the portion increases, and the image data as shown in FIG. P is generated.

  Each unit (image analysis unit 31, message generation unit 32, message transmission unit 33) in the control unit 30a operates according to the flowchart shown in FIG.

  Specifically, the image analysis unit 31 that has acquired the image data P in step S1 checks whether or not the previous image data P ′ (image data generated immediately before) exists in step S2. If the previous image data P 'exists, the process proceeds to step S3. If not, the process returns to step S1. Immediately after the startup in which step S4 has never been executed, the process returns to step S1, but in other cases, the process proceeds to step S3.

  In step S <b> 3, the image analysis unit 31 compares the previous image data P ′ with the newly acquired image data P, and extracts pixels whose brightness has changed. At this time, it is preferable that the image analysis unit 31 extracts only pixels whose change amount is larger than a predetermined threshold value. When not configured in this way, when the brightness of the pixel in the handset area data P22 is greatly increased due to the lighting of the calling lamp 13, for example, in the handset area data P21, P12, P32, P23 adjacent thereto The brightness of the pixel also slightly increases, and there is a possibility that the child device 3 corresponding to these four areas may erroneously specify that a call has been made at the same time.

  When the blinking interval of the call lamp 13 is known, it is possible to prevent the erroneous specification from being performed more reliably by employing the algorithm shown in FIG. As shown in the figure, in this algorithm, a time t1 when the brightness of a certain pixel changes from B2 (lighted) to B1 (lighted off) and a time t2 when the brightness changes from B1 (lighted off) to B2 (lighted up). The time difference t2-t1 is 1 second ± T seconds (T is determined in advance in consideration of the image data generation interval that automatically changes according to the ambient brightness). Similarly, the time difference t3-t2 When the time difference t4−t3 is 1 second ± T seconds, it is determined that the brightness of the pixel has changed. In other words, in this algorithm, the caller handset 3 is specified more carefully in consideration of the blinking interval of the call lamp 13.

  Refer to FIG. 3 again. When the pixel extraction in step S3 ends, the image analysis unit 31 replaces the image data P with the image data P ′ (step S4), and then determines whether or not the extracted pixel exists as step S5. . If the extracted pixel does not exist, this flow is executed again from step S1. On the other hand, when the extracted pixel exists, it progresses to step S6.

  In step S6, it is specified which of the child device area data P11 to P410 contains the extracted pixel. This specification is performed based on the coordinate range of each child device area data P11 to P410 and the coordinates of the extracted pixels. As described above, each of the child device area data P11 to P410 and the child device area 12 have a 1: 1 relationship, and the child device region 12 and the child device 3 also have a 1: 1 relationship. Therefore, if the handset area data P11 to P410 can be specified, the caller handset 3 can be specified.

  In step S <b> 7, the message generation unit 32 generates a message containing the content of the handset device 3 of the caller specified by the image analysis unit 31. The slave unit information includes, for example, an identification number unique to the slave unit 3, the number of the room in which the slave unit 3 is provided, the name, sex, age, and disease name of the patient using the slave unit 3. Although it is included, it is not necessary to include all of these, and other information may be included.

  In step S8, the message transmitter 33 transmits the message generated by the message generator 32. The transmission destination may be the PHS 6 of all nurses, or only the PHS 6 of a specific nurse, for example, the nurse in charge of the patient who made the call. Further, a call from a certain patient may be transmitted to all nurses' PHS 6, and a call from another patient may be transmitted only to the nurse's PHS 6. It is preferable that the transmission destination can be set in advance for each child device 3 (patient).

  In summary, according to the nurse call transfer system 2a according to the present embodiment, the fixed call camera 20 such as an inexpensive web camera without any change to the existing nurse call system (3, 10), It is possible to easily add a call transfer function to an existing nurse call system (3, 10) at low cost simply by preparing one personal computer as the control unit 30a and connecting the control unit 30a to the network 4. it can.

[Second Embodiment]
Next, a nurse call system 1b and a nurse call transfer system 2b according to a second embodiment of the present invention will be described. As shown in FIG. 5, the nurse call system 1b and the nurse call transfer system 2b are provided with a control unit 30b that further includes a hooking control means 34 and a setting information holding unit 35, and the nurse according to the first embodiment. It is different from the call system 1a and the nurse call transfer system 2a.

  When the calling is performed, the hooking control unit 34 stops the ringing sound by changing the hooking state of the calling unit 14 from the on-hook state to the off-hook state. As specific modes of the hooking control means 34, for example, three modes shown in FIG. 6 can be considered.

  In the first mode shown in FIG. 6A, the speaker side 5 a of the receiver 15 is suspended by the wire 41. Then, when the wire 41 is wound up by a motor (not shown), the handset 15 holding the hooking button 41 is separated from the main body of the calling means 14, and the hooking button 41 is turned around the shaft 40a to jump out and is in an off-hook state (right figure). It becomes. Of course, when the motor of the wire 41 is rotated in the reverse direction, the receiver 15 returns to the original position and enters the on-hook state (left figure).

  In the second mode shown in FIG. 6B, the first attachment 42 is disposed between the speaker side 15a of the handset 15 and the calling means 14 main body, and the second attachment is provided between the microphone side 15b and the calling means 14 main body. 43 is arranged. The second attachment 43 is a simple spacer for stably hooking the receiver 15 to the first attachment 42.

  A first member 44 and a second member 45 are provided inside the first attachment 42. Among these members, the first member 44 is rotatably attached around the shaft 44a, engages the receiver 15, and presses the hooking button 40 by the pressing portion 44b in the on-hook state. The second member 45 has one end rotatably attached to the shaft 45 a and the other end rotatably attached to the first member 44. Further, the second member 45 can be expanded and contracted in accordance with an external command signal. As shown in the figure, when the second member 45 is extended, the first member 44 is rotated clockwise, the pressing portion 44b is separated from the hooking button 40, and is in an off-hook state (right figure). On the other hand, when the second member 45 is contracted, the first member 44 is rotated counterclockwise, and the pressing portion 44b presses the hooking button 40 to be in an on-hook state (left figure).

  In the third mode shown in FIG. 6C, a third attachment 46 is arranged in the main body of the call means 14 instead of the receiver 15, and the receiver 15 is placed in another place. A seesaw member 47 is attached to the inside of the third attachment 46 so as to be rotatable around a shaft 47 a, and a first end 47 b and a second end 47 c protrude outside the third attachment 46. The seesaw member 47 is urged by a spring 48, and in the on-hook state, the hooking button 40 is pressed by the pressing portion 47d.

  In this third mode, a solenoid (not shown) is actuated in response to a command from the outside, and the seesaw member 47 rotates clockwise. Then, the pressing portion 47d is separated from the hooking button 40 and enters an off-hook state (right figure). On the other hand, when the solenoid stops operating, the seesaw member 47 urged by the spring 48 rotates counterclockwise, and the pressing portion 47d presses the hooking button 40 to enter the on-hook state (left figure). In the third mode, the first end 47b can be pushed in at any time to enter the off-hook state.

  Refer to FIG. 5 again. In the present embodiment, the setting information regarding the “ringing tone stop delay time” input in advance is held in the setting information holding unit 35, and the hooking control means 34 performs the ringing tone stop delay time after the call is made. Waiting for the elapse of time, the call means 14 is changed to the off-hook state. For example, when the ringing tone stop delay time is set to 10 seconds, the ringing tone sounds for 10 seconds after the calling is performed, and then the hooking control unit 34 is activated to stop the ringing tone.

  A plurality of ringing tone stop delay times can be set for each time zone. For example, set 10 seconds during the day when there are many nurses who are likely to have nurses at the nurse station, and 0 seconds during the night when the nurse is not likely to be inside the nurse station. Not).

[Third embodiment]
Next, a nurse call system 1c and a nurse call transfer system 2c according to a third embodiment of the present invention will be described. As shown in FIG. 7, the nurse call system 1 c and the nurse call transfer system 2 c include a control unit 30 c that further includes a message receiving unit 36, and the nurse call system 1 b and the nurse call transfer according to the second embodiment. It is different from the system 2b.

  In this embodiment, the nurse can transmit a reply message to the message from the message transmission unit 33 that has arrived at his / her PHS 6. The message receiving unit 36 receives the reply message and notifies the hooking control means 34 to that effect. Then, after receiving the notification, the hooking control unit 34 changes the hooking state of the calling unit 14 to the off-hook state, and stops the ringing tone. According to this configuration, the nurse can be surely notified that the call has been made.

  In addition, since the control part 30c in a present Example contains the setting information holding | maintenance part 35, it can also stop a ringing tone after progress of the preset ringing tone stop delay time similarly to 2nd Example. It is preferable that the user can arbitrarily select whether to stop the ringing tone based on the presence or absence of a reply message or to stop the ringing tone after the elapse of the ringing tone stop delay time.

  In addition, when calls are made continuously, it is considered that a plurality of messages reach the nurse's PHS 6, so that the message receiving unit 46 can determine which message has received a reply message. It is preferable.

[Fourth embodiment]
Next, a nurse call system 1d and a nurse call transfer system 2d according to a fourth embodiment of the present invention will be described. As shown in FIG. 8, the nurse call system 1 d and the nurse call transfer system 2 d include a control unit 30 d that further includes an IP telephone unit 37 and a call detection unit 38, and a point that includes an acoustic coupler 50. Are different from the nurse call system 1b and the nurse call transfer system 2b according to the second embodiment.

  Among them, the IP phone unit 37 is for giving the IP phone function to the personal computer which is the control unit 30d, and converts the voice acquired by the microphone unit 50a of the acoustic coupler 50 into voice data, and the converted voice data. Is transmitted to the PHS 6 via the network 4, and the audio data transmitted from the PHS 6 via the network 4 is converted into sound, and the sound is output from the speaker unit 50 b of the acoustic coupler 50.

  As shown in the figure, the handset 15 of the calling means 14 is set in the acoustic coupler 50. More specifically, the speaker side 15 a of the receiver 15 is disposed in the vicinity of the microphone unit 50 a of the acoustic coupler 50, and the microphone side 15 b of the receiver 15 is disposed in the vicinity of the speaker unit 50 b of the acoustic coupler 50. Further, a third attachment 46 (see FIG. 6C) is arranged on the main body of the call means 14.

  The call detecting unit 38 detects whether or not the above operation is performed in the IP telephone unit 37. And the command signal according to the detection result is sent to the hooking control means 34, the 3rd attachment 46 is operated, and the hooking state of the calling means 14 is switched.

  In the present embodiment, when a call is made and a message to that effect is transmitted to the PHS 6, when the nurse performs a predetermined operation (for example, pressing a one-touch dial button) on the PHS 6, the voice input to the PHS 6 is input. Is input to the microphone side 15b of the receiver 15, and the voice output from the speaker side 15a of the receiver 15 is output from the PHS 6. Further, the call detecting unit 38 detects the start of the operation of the IP telephone unit 37 and sends a command signal to the hooking control unit 34, so that the call unit 14 enters an off-hook state. As a result, a call can be made between the PHS 6 and the calling handset 3 (patient).

  In this embodiment, when the call is finished and the nurse presses the call end button of the PHS 6, the IP telephone unit 37 stops operating. Then, the call detecting unit 38 that has detected the stoppage of the operation of the IP telephone unit 37 sends a command signal to the hooking control unit 34, and the calling unit 14 enters an on-hook state. Thereby, the telephone call between the handset 15 and the calling handset 3 becomes impossible. Of course, the telephone call between the PHS 6 and the calling handset 3 is also disabled.

  Eventually, according to the nurse call system 1d and the nurse call transfer system 2d according to the present embodiment, the nurse can make a call with the caller handset 3 using his / her PHS 6 instead of the handset 15. , Convenience can be further enhanced.

  If a call is not made between the PHS 6 and the handset 3 even if a call is made, the ringing tone stop delay time elapses or the call means 14 is hooked after receiving a reply message from the PHS 6. It is preferable that the state is switched and the ringing tone is stopped (see the second and third embodiments). Further, the hooking control means 34 may switch the hooking state of the calling means 14 based on some command signal sent from the PHS 6 via the network 4.

[Modification]
The preferred embodiments of the nurse call transfer system and nurse call system according to the present invention have been described above. However, the present invention is not limited to these configurations, and various modifications can be considered.

  For example, the nurse call transfer system 2 e shown in FIG. 9 includes a fixed point camera 20 e having an electric swinging means 23. When the image analysis unit 31 determines that at least a part of the call display area 11 is not included in the shootable area A by analyzing the acquired image data P, the image analysis unit 31 operates the electric swinging unit 23 to fix the fixed point camera. Fine-adjust the direction of 20e.

  According to this configuration, even if the orientation of the fixed point camera 20e is deviated due to some influence, the deviation can be corrected and the entire call display area 11 can be photographed without omission. As a result, it is possible to prevent a call from being missed or an error in specifying the handset 3 from occurring.

  Even when a fixed point camera that does not have the electric swinging means 23 is used, if the shootable area A is set wider than the call display area 11 of the base unit 10, the software processing of the image analysis unit 31 is performed. Thus, the deviation of the fixed point camera can be corrected. Such software processing is conventionally known in various ways. For example, it is relatively easy to adjust the coordinate range of each handset area data P11 to P41... P110 to P410 based on the detected deviation amount. In addition, the above-described deviation can be corrected.

  The nurse call transfer system 2e shown in FIG. 9 includes a control unit 30e including a transfer history storage unit 39 that stores transfer history information. The transfer history information includes at least the time when the call is made and information on the caller handset 3. Here, the time when the call is performed is not limited to the time when the call button is actually pressed, the time when the parent device 10 receives the call, or the time when the image analysis unit 31 specifies the calling child device 3 It may be. The information related to the child device 3 includes an identification number unique to the child device 3, the number of the room in which the child device 3 is provided, the name, sex, age, and the name of the patient using the child device 3. It is preferable that a disease name or the like is included.

  According to this configuration, by analyzing the accumulated transfer history information later, it is possible to grasp a time zone and a patient with a high calling frequency, and to enhance nursing services.

  Further, in each of the above embodiments, the slave unit 3 is specified using the brightness that is an example of the pixel value, but instead of this, the value of each RGB color can also be used. The size of the image data P is not limited to the VGA size, and may be other sizes.

1a, 1b, 1c, 1d, 1e Nurse call system 2a, 2b, 2c, 2d, 2e Nurse call transfer system 3 Slave unit 4 Network 5 Wireless base station 6 PHS (portable terminal)
10 Master unit 11 Call display area 12 Slave unit area 13 Call lamp 14 Calling means 15 Handset 16 Speaker 20, 20e Fixed point camera 21 Ceiling 23 Electric swinging means 30a, 30b, 30c, 30d, 30e Control unit 31 Image analysis unit 32 Message Generation unit 33 Message transmission unit 34 Hooking control means 35 Setting information holding unit 36 Message reception unit 37 IP phone unit 38 Call detection unit 39 Transfer history storage unit 50 Acoustic coupler

Claims (10)

A plurality of slave units, a master unit that receives a call from the slave unit and displays a call in a call display area, and when the master unit receives the call, a ringing tone is generated and a call with the slave unit that is the calling source A nurse call transfer system that is provided in a nurse call system including a call means that enables the call to be transferred to a nurse's mobile terminal,
A fixed point camera that is directed to the base unit and generates image data of the call display area;
A control unit connected to the fixed point camera;
The control unit includes:
Based on the image data, an image analysis unit that identifies the slave that is the caller;
A message generator for generating a message containing information on the specified slave unit;
A message transmission unit that transmits the generated message to the mobile terminal;
A nurse call transfer system comprising: The fixed point camera generates the image data every predetermined time,
The call display area is divided into a plurality of handset areas corresponding to each of the handset,
The said image analysis part specifies the said subunit | mobile_unit of caller according to which the said pixel value about which said subunit | mobile_unit area | region changed among several pixel values which comprise the said image data. Item 4. The nurse call transfer system according to Item 1. The fixed point camera has an electric swinging means for moving the shootable region,
When the image analysis unit detects that at least a part of the call display area is not included in the shootable area due to a deviation in the orientation of the fixed-point camera, the image analysis unit operates the electric swinging means. The nurse call transfer system according to claim 1, wherein the shift is corrected. The control unit further includes hooking control means,
The said hooking control means stops the said ringing tone by changing the hooking state of the said call means from an on-hook state to an off-hook state when a call is made. Nurse call transfer system. The control unit further includes a setting information holding unit,
The setting information holding unit holds setting information related to a preset ringing tone stop delay time,
The hooking control unit refers to the setting information holding unit, and after the call is made, waits for the elapse of the ringing tone stop delay time to change the hooking state of the calling unit to an off-hook state. The nurse call transfer system according to claim 4, wherein:   The nurse call transfer system according to claim 5, wherein the setting information holding unit holds setting information related to a plurality of ringing tone stop delay times set in advance for each time period. The control unit further includes a message receiving unit,
The message receiving unit receives a reply message for the message transmitted from the message transmitting unit from the portable terminal,
5. The nurse call transfer system according to claim 4, wherein the hooking control means changes the hooking state of the call means to an off-hook state after the reply message is received by the message receiving unit. Further comprising an acoustic coupler disposed proximate to the handset of the call means;
The control unit further includes an IP phone unit and a call detection unit,
The IP telephone unit converts voice acquired by the acoustic coupler into voice data and transmits the voice data to the portable terminal, and converts voice data transmitted from the portable terminal into voice and outputs the voice from the acoustic coupler. ,
The call detection unit sends a command signal to the hooking control unit when the IP telephone unit starts operating to change the hooking state of the calling unit to an off-hook state, and when the IP telephone unit stops operating, the hooking control The nurse call transfer system according to any one of claims 4 to 7, wherein a command signal is sent to said means to change the hooking state of said calling means to an on-hook state. The control unit further includes a transfer history storage unit,
The nurse according to any one of claims 1 to 8, wherein the transfer history storage unit stores transfer history information including at least a time when a call is made and information on the caller device. Call transfer system. With multiple slave units,
A master unit that displays a call in the call display area in response to a call from the slave unit;
When the parent device receives a call, a calling means for making a ringing tone and enabling a call with the calling child device;
The nurse call transfer system according to any one of claims 1 to 9,
Nurse call system characterized by comprising.

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