JP7026313B2 - Input device, information input system and information input method - Google Patents

Description

The present invention comprises an input device for inputting information according to an input operation performed by a user, a control device for acquiring input information, an information input system for acquiring input information according to an input operation performed by the user, and an input operation performed by the user. It relates to an information input method for inputting information according to the above.

In a long-term care facility where elderly people are admitted, the caregiver (facility staff) performs various long-term care work at the request of the care recipient (resident), but when the care recipient has a disability in speaking. It is difficult to clearly convey the content of the request to the caregiver. Also, even such a person can call the caregiver by raising his voice or raising his hand, but it is very troublesome for the caregiver to go to the care recipient and listen to the request each time. There is a problem that it takes. Therefore, an input device that can be easily operated even by a physically handicapped person is desired.

As a technique for meeting such a demand, a technique of an input device using RFID (Radio Frequency IDentification) is conventionally known (see Patent Document 1). In this input device, a plurality of RFID tags may be in a state where they cannot normally transmit a signal when approaching a metal plate or may be separated from the metal plate and normally transmit a signal in response to a change in the attitude of the input device. By performing an operation that changes the posture of the input device by configuring it to be in a state, the RFID tag that can transmit the signal normally is switched, and it corresponds to one RFID tag that could receive the signal normally. I am trying to get the information to be input as input information.

Japanese Unexamined Patent Publication No. 2009-12162

However, in the above-mentioned conventional technique, since the metal plate is provided inside the input device, there is a problem that the input device becomes heavy and cannot be operated well by a person with a physical disability. Further, since the structure of the input device becomes complicated, there is a problem that the manufacturing cost increases.

Therefore, according to the present invention, the input device can reduce the weight of the input device so that it can be easily operated even by a physically handicapped person, and can simplify the structure of the input device to reduce the manufacturing cost. The main purpose is to provide a control device, an information input system, and an information input method.

The input device of the present invention is an input device for inputting information according to an input operation performed by a user, and is provided on a main body and an outer surface of the main body and displays an image representing each of a plurality of input information. A plurality of display units and a plurality of RFID tags provided on the main body and transmitting an ID signal corresponding to each of the plurality of input information to the RFID reader are provided, and the main body is formed in a ring shape. An input operation that rotates close to or away from a shield made of a dielectric on its inner peripheral surface and adjusts the posture of the main body so that the display unit corresponding to the input information to be input is oriented in a predetermined direction. By causing the user to perform the above, the RFID tag corresponding to the input information to be input approaches the shield and the communication is disabled, and the remaining RFID tags are separated from the shield and communication is valid. It is configured to be in a state.

Further, the information input system of the present invention is an information input system that acquires input information according to an input operation performed by a user, and includes an input device provided with a plurality of RFID tags, a shield made of a dielectric, and the like. The input device includes an RFID reader and a control device, and the input device is provided on the main body, a plurality of display units provided on the outer surface of the main body and displaying an image representing each of the plurality of input information, and the main body. Provided are a plurality of the RFID tags that transmit an ID signal corresponding to each of the plurality of input information to the RFID reader, and the shield is formed with a recess for receiving the input device. A shielding portion made of a dielectric is provided inside the recess, and the user performs an input operation for adjusting the posture of the main body so that the display portion corresponding to the input information to be input is oriented in a predetermined direction. By doing so, the RFID tag corresponding to the input information to be input approaches the shield and the communication is disabled, and the remaining RFID tags are separated from the shield and the communication is enabled. The RFID reader has an antenna that receives the ID signal from the RFID tag, a control unit that acquires received signal information regarding the reception status of the ID signal for each of a plurality of RFID tags, and controls the received signal information. The control device includes a communication unit that transmits to the device, and the control device selects the communication unit that receives the reception signal information from the RFID reader and the RFID tag in the communication invalid state based on the reception signal information. The device is configured to include a control unit for acquiring the input information corresponding to the RFID tag.
Further, the information input system of the present invention is an information input system that acquires input information according to an input operation performed by a user, and includes an input device provided with a plurality of RFID tags, a shield made of a dielectric, and the like. The input device includes an RFID reader and a control device, and the input device is provided on a main body, a plurality of display units provided on an outer surface of the main body and displaying an image representing each of a plurality of input information, and the main body. The shield comprises a plurality of the RFID tags that transmit an ID signal corresponding to each of the plurality of input information to the RFID reader, and the shield is a plurality of shields that are simultaneously close to the plurality of shields. Corresponding to the input information to be input by having the user perform an input operation for adjusting the posture of the main body so that the display unit corresponding to the input information to be input is provided with a unit. The RFID tag approaches the shield and becomes a communication invalid state, the remaining RFID tag separates from the shield and becomes a communication valid state, and the RFID reader receives the ID signal from the RFID tag. The control device includes a control unit for acquiring reception signal information regarding the reception status of the ID signal for each of the plurality of RFID tags, and a communication unit for transmitting the received signal information to the control device. , A communication unit that receives the received signal information from the RFID reader, and a control that selects the RFID tag in the communication invalid state based on the received signal information and acquires the input information corresponding to the RFID tag. It is configured to include a unit and a unit .

Further, the information input method of the present invention is an information input method for inputting information according to an input operation performed by the user, and is provided on the main body and the outer surface of the main body to represent each of a plurality of input information. Is input in an input device including a plurality of display units on which is displayed, and a plurality of RFID tags provided in the main body and transmitting an ID signal corresponding to each of the plurality of input information to an RFID reader. By having the user perform an input operation for adjusting the posture of the main body so that the display unit corresponding to the input information to be input is oriented in a predetermined direction, the RFID tag corresponding to the input information to be input is made dielectric. The communication is disabled by approaching the shield made of the body, the remaining RFID tag is separated from the shield and the communication is enabled, and the shield is a plurality of shields that are simultaneously close to the plurality of RFID tags. When the RFID reader receives the ID signal from the RFID tag , the RFID reader acquires the received signal information regarding the reception status of the ID signal, transmits the received signal information to the control device, and the control device When the received signal information is received from the RFID reader, the RFID tag in the communication invalid state is selected based on the received signal information, and the input information corresponding to the RFID tag is acquired.

According to the present invention, the input information selected by the user can be acquired by selecting the RFID tag in which the communication is disabled and acquiring the input information corresponding to the RFID tag. As a result, since it is not necessary to provide a metal plate inside the input device, the weight of the input device can be reduced and even a physically handicapped person can easily operate the input device, and the structure of the input device is simplified. Therefore, the manufacturing cost can be reduced.

Overall configuration diagram of the information input system according to the first embodiment Sectional drawing of the input device 2 which concerns on 1st Embodiment Explanatory drawing which shows the correspondence relationship between the display part 12 of the input device 2 and the RFID tag 1 which concerns on 1st Embodiment. An explanation showing an image displayed on each display unit 12 according to the first embodiment, ID information of each RFID tag 1, input information corresponding to each RFID tag 1, reception sensitivity of each RFID tag 1, and an example of a selection result. figure A block diagram showing a schematic configuration of an RFID reader 4 and a control device 5 according to the first embodiment. A flow chart showing an operation procedure of the RFID reader 4 according to the first embodiment. A flow chart showing an operation procedure of the control device 5 according to the first embodiment. Explanatory drawing which shows the state of the input operation using the input device 2 which concerns on the modification of 1st Embodiment Explanatory drawing which shows the screen displayed on the display device 6 which concerns on the modification of 1st Embodiment Explanatory drawing which shows the use state of the input device 101 which concerns on 2nd Embodiment Sectional drawing of the input device 101 which concerns on 2nd Embodiment Sectional drawing of input device 101 and pedestal 111 which concerns on modification of 2nd Embodiment Sectional drawing of input device 121 which concerns on 3rd Embodiment A perspective view showing the input device 2 and the pedestal 131 according to the fourth embodiment. Explanatory drawing which shows the information input system which concerns on 5th Embodiment Explanatory drawing which shows the state of the input operation in the information input system which concerns on the modification of 5th Embodiment

The first invention made to solve the above-mentioned problems is an input device for inputting information according to an input operation performed by a user, which is provided on a main body and an outer surface of the main body to provide a plurality of input information. The main body includes a plurality of display units on which images representing each are displayed, and a plurality of RFID tags provided on the main body and transmitting an ID signal corresponding to each of the plurality of input information to an RFID reader. Is formed in a ring shape, rotates close to or away from a shield made of a dielectric on its inner peripheral surface, and the display unit corresponding to the input information to be input is oriented in a predetermined direction. By having the user perform an input operation for adjusting the posture of the main body, the RFID tag corresponding to the input information to be input approaches the shield and the communication is disabled, and the remaining RFID tag is the said. The configuration is such that communication is enabled away from the shield.

According to this, the input information selected by the user can be acquired by selecting the RFID tag in which the communication is disabled and acquiring the input information corresponding to the RFID tag. As a result, since it is not necessary to provide a metal plate inside the input device, the weight of the input device can be reduced and even a physically handicapped person can easily operate the input device, and the structure of the input device is simplified. Therefore, the manufacturing cost can be reduced. Further, as an input operation, the user only has to rotate the input device so that the display unit corresponding to the input information to be input is oriented in a predetermined direction, so that the input operation becomes easy.

Further, in the second invention, the input information is configured to be information related to the care work instructed by the care recipient to the caregiver.

According to this, the care recipient can easily instruct the caregiver of the desired care work.

Further, in the third invention, the input information is configured to be information about a product ordered by a customer.

According to this, the customer can easily order the desired product.

Further, in the fourth invention, as the display unit, a display unit for a plurality of instructions for selecting the instruction information as the input information, and a confirmation unit for confirming the instruction information input by the input operation performed immediately before. It is configured to include a display unit.

According to this, when a plurality of instruction information is continuously input by one input device, the process of confirming the instruction information can be easily understood by the user.

The fifth invention is an information input system for acquiring input information according to an input operation performed by a user, which includes an input device provided with a plurality of RFID tags, a shield made of a dielectric, and an RFID reader. The input device is provided on the main body, a plurality of display units provided on the outer surface of the main body and displaying images representing each of the plurality of input information, and the main body. The shield comprises a plurality of RFID tags that transmit an ID signal corresponding to each of the plurality of input information to the RFID reader, and the shield is formed with a recess for receiving the input device. A shielding unit made of a dielectric is provided inside the place, and an input operation for adjusting the posture of the main body so that the display unit corresponding to the input information to be input is oriented in a predetermined direction is performed by the user. By doing so, the RFID tag corresponding to the input information to be input approaches the shield and the communication is disabled, and the remaining RFID tags are separated from the shield and the communication is enabled. The RFID reader has an antenna that receives the ID signal from the RFID tag, a control unit that acquires received signal information regarding the reception status of the ID signal for each of the plurality of RFID tags, and the received signal information to the control device. The control device includes a communication unit for transmitting, and the control device selects the communication unit that receives the received signal information from the RFID reader and the RFID tag in the communication invalid state based on the received signal information. It is configured to include a control unit for acquiring the input information corresponding to the RFID tag.

According to this, as in the first invention, the weight of the input device can be reduced so that even a physically handicapped person can easily operate the input device, and the structure of the input device is simplified to reduce the manufacturing cost. be able to. Further, since the input device is held in a constant posture, it is possible to prevent the RFID tag corresponding to the input information to be input from being separated from the shielding portion and becoming a communication valid state.

The sixth invention is an information input system for acquiring input information according to an input operation performed by a user, which includes an input device provided with a plurality of RFID tags, a shield made of a dielectric, and an RFID reader. The input device is provided on the main body, a plurality of display units provided on the outer surface of the main body and displaying images representing each of the plurality of input information, and the main body. The shield comprises a plurality of RFID tags that transmit an ID signal corresponding to each of the plurality of input information to the RFID reader, and the shield includes a plurality of shields that are simultaneously close to the plurality of RFID tags. The RFID corresponding to the input information to be input is provided by causing the user to perform an input operation for adjusting the posture of the main body so that the display unit corresponding to the input information to be input is oriented in a predetermined direction. The tag approaches the shield and the communication is disabled, the remaining RFID tag is separated from the shield and the communication is enabled, and the RFID reader receives the ID signal from the RFID tag. A control unit that acquires received signal information regarding the reception status of the ID signal for each of the plurality of RFID tags, and a communication unit that transmits the received signal information to the control device. A communication unit that receives the received signal information from the RFID reader, and a control unit that selects the RFID tag in the communication invalid state based on the received signal information and acquires the input information corresponding to the RFID tag. , Are provided.

According to this, as in the first invention, the weight of the input device can be reduced so that even a physically handicapped person can easily operate the input device, and the structure of the input device is simplified to reduce the manufacturing cost. be able to. In addition, a plurality of information can be input at the same time.

Further, the seventh invention includes a plurality of the input devices, and the control unit of the control device selects the RFID tag in the communication invalid state for each of the plurality of input devices, and the plurality of said devices. The configuration is such that the input information for each input device is acquired.

According to this, a plurality of information can be input at the same time.

Further, the eighth invention has a configuration in which, as the plurality of input devices, an input device for instruction for selecting instruction information as the input information and an input device for confirmation for confirming the instruction information are provided. ..

According to this, when a plurality of instruction information is input at the same time by a plurality of input devices, the process of confirming the instruction information can be easily understood by the user.

Further, the ninth invention is an information input method for inputting information according to an input operation performed by a user, in which an image representing each of a plurality of input information is displayed on the main body and the outer surface of the main body. The said to be input in the input device provided with the plurality of display units provided and the plurality of RFID tags provided in the main body and transmitting the ID signal corresponding to each of the plurality of input information to the RFID reader. By having the user perform an input operation for adjusting the posture of the main body so that the display unit corresponding to the input information is oriented in a predetermined direction, the RFID tag corresponding to the input information to be input is released from the dielectric. The RFID tag approaches the shield and the remaining RFID tag is separated from the shield to enable communication, and the shield has a plurality of shields that are simultaneously close to the plurality of RFID tags. When the RFID reader receives the ID signal from the RFID tag , the RFID reader acquires the received signal information regarding the reception status of the ID signal and transmits the received signal information to the control device, and the control device receives the ID signal. When the received signal information is received from the RFID reader, the RFID tag in the communication invalid state is selected based on the received signal information, and the input information corresponding to the RFID tag is acquired.

According to this, as in the first invention, the weight of the input device can be reduced so that even a physically handicapped person can easily operate the input device, and the structure of the input device is simplified to reduce the manufacturing cost. be able to. In addition, a plurality of information can be input at the same time.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.

(First Embodiment)
FIG. 1 is an overall configuration diagram of an information input system according to the first embodiment.

This information input system acquires input information according to an input operation performed by the user, and includes an input device 2 provided with a plurality of RFID tags 1, a cradle 3 (shield), and an RFID reader 4. , A control device 5 and a display device 6. In the present embodiment, this information input system notifies the caregiver of the care work desired by the user (care recipient).

The input device 2 is for the user to perform an input operation. In the present embodiment, the input device 2 is used to perform an input operation for designating the care work desired by the user (care recipient). The input device 2 includes a cubic main body 11, and each surface of the main body 11 is provided with a display unit 12 on which an image showing a nursing care work is displayed, and the back surface side of each display unit 12 is provided. Is provided with an RFID tag 1 corresponding to each display unit.

The RFID tag 1 includes a memory for storing ID information, an antenna for transmitting an ID signal including the ID information, and a control circuit for controlling the transmission of the ID signal.

The pedestal 3 is formed in a flat plate shape by a metal material (dielectric material). In the present embodiment, as an input operation for designating the long-term care work desired by the user, the input device 2 is placed on the cradle 3 with the display unit 12 on which the image representing the long-term care work desired by the user is displayed facing upward. Do the operation.

In the present embodiment, the state in which the input device 2 is placed on the pedestal 3 is set to the on state, and the state in which the input device 2 is not placed on the pedestal 3 is set to the off state. Further, when the user performs an input operation with the input device 2, the caregiver is notified of the care work desired by the care recipient, and when the caregiver starts the care work, the caregiver turns off the input device 2. It should be in a state. Further, the metal furniture may be used as a cradle.

The RFID reader 4 is installed on the ceiling of the area where the input device 2 is used, receives an ID signal transmitted from the RFID tag 1 of the input device 2, and transmits the received signal information regarding the reception status of the ID signal to the control device 5. Send. By configuring the RFID tag 1 and the RFID reader 4 so that they can communicate over a relatively long communication distance (for example, 5 m), the RFID reader 4 can be shared by a plurality of input devices 2 operated by each user. can.

The control device 5 is composed of an information processing device, and acquires input information according to a user's input operation using the input device 2 based on the received signal information received from the RFID reader 4. In the present embodiment, as input information, instruction information regarding the long-term care work designated by the user (care recipient) is acquired.

The display device 6 is controlled by the control device 5 and displays an instruction screen for instructing the caregiver of the care work requested by the user (care recipient). On this instruction screen, the name of the user who requested the nursing care work and the requested nursing care work (instruction information) are displayed.

Next, the input device 2 according to the first embodiment will be described. FIG. 2 is a cross-sectional view of the input device 2. FIG. 3 is an explanatory diagram showing a correspondence relationship between the display unit 12 of the input device 2 and the RFID tag 1. In FIG. 3, each surface of the input device 2 is shown in an expanded manner. FIG. 4 is an explanatory diagram showing an image displayed on each display unit 12, ID information of each RFID tag 1, input information corresponding to each RFID tag 1, reception sensitivity of each RFID tag 1, and an example of selection results. be.

The input device 2 includes a cubic main body 11, and a display unit 12 on which an image representing input information is displayed is provided on each surface of the main body 11, and an RFID tag 1 is provided on the back surface side of each display unit 12. Is provided. Specifically, for example, the display unit 12 may be composed of a plastic display sheet, and the display sheet and the RFID tag 1 may be integrated by laminating and then fixed to the main body 11.

In the input device 2, as an input operation, the user looks at the image of the input information displayed on the display unit 12, and the input device 2 has a predetermined direction so that the display unit corresponding to the input information to be input is oriented. After adjusting the posture, the input device 2 is placed on the cradle 3. In the present embodiment, the input device 2 is placed on the cradle 3 with the display unit 12 on which the image representing the input information to be input is displayed facing upward.

Here, in the present embodiment, the user (care recipient) instructs the caregiver to perform various care operations using the input device 2. An image showing the nursing care work is displayed on the display unit 12 provided on each surface of the input device 2, and the user can select the desired nursing care work from the plurality of nursing care work. As an input operation for designating the nursing care work, the input device 2 is placed on the pedestal 3 with the display unit 12 on which the image showing the desired nursing care work is displayed facing up.

When the input device 2 is placed on the pedestal 3 in this way, the RFID tag 1 on the lower surface is in a state of approaching the pedestal 3, and communication is disturbed by the metal pedestal 3, so that the ID signal is normal. Communication is disabled because it cannot be sent to. On the other hand, since the RFID tag 1 on the remaining surface is separated from the pedestal 3, the communication is not disturbed by the pedestal 3, and the communication is enabled so that the ID signal can be transmitted normally. As described above, in the present embodiment, by placing the input device 2 on the cradle 3, only one RFID tag 1 is in the communication invalid state, and the remaining five RFID tags 1 are in the communication valid state.

Here, in the present embodiment, as shown by the two-way arrow of the broken line in FIG. 3, each display unit 12 of the input device 2 is associated with the RFID tag 1 on the opposite surface, and each RFID tag 1 is associated with the RFID tag 1. Is arranged on the display unit 12 corresponding to the display unit 12, that is, the surface opposite to the display unit 12 on which the image representing the input information corresponding to the own ID signal is displayed. Therefore, when the display unit 12 on which the image representing the input information to be input is displayed is turned upward, the RFID tag 1 on the lower surface corresponding to the display unit 12 on the upper surface thereof is in the communication invalid state. As a result, in the control device 5, the RFID tag 1 in which the communication is disabled is selected, and the input information corresponding to the RFID tag 1 is acquired, so that the input information (instruction) corresponding to the display unit 12 selected by the user is obtained. Information) can be obtained.

In the example shown in FIG. 3, the image of the person himself / herself is displayed on the first display unit 12. The ID information of the first RFID tag 1 corresponding to the first display unit 12 is associated with the information (name, etc.) of the person himself / herself, thereby identifying the user who operated the input device 2. can.

An image of the cup is displayed on the second display unit 12. The ID information of the first RFID tag 1 corresponding to the second display unit 12 is associated with the instruction information requesting that drinking water be brought.

An image of toothpaste is displayed on the third display unit 12. The ID information of the first RFID tag 1 corresponding to the third display unit 12 is associated with the instruction information for brushing the teeth.

An image of the bed is displayed on the fourth display unit 12. The ID information of the first RFID tag 1 corresponding to the fourth display unit 12 is associated with the instruction information that the user wants to be taken to the bed.

An image of the toilet is displayed on the fifth display unit 12. The ID information of the first RFID tag 1 corresponding to the fifth display unit 12 is associated with the instruction information that the user wants to be taken to the toilet.

An image of the caregiver is displayed on the sixth display unit 12. The ID information of the first RFID tag 1 corresponding to the sixth display unit 12 is associated with the instruction information that the caregiver wants to come.

Further, in the present embodiment, as shown in FIG. 4, the reception sensitivity when the ID signal transmitted from the RFID tag 1 is received by the RFID reader 4 is measured, and the RFID is based on the reception sensitivity of the ID signal. It is determined whether the tag 1 is in a communication invalid state in which the ID signal cannot be normally transmitted or in a communication valid state in which the ID signal can be normally transmitted.

Here, in the off state where the input device 2 is not placed on the cradle 3, there is no big difference in the reception sensitivity of each RFID tag 1. On the other hand, in the on state where the input device 2 is placed on the pedestal 3, the reception sensitivity of the ID signal is greatly reduced or the ID signal is transmitted to the RFID tag 1 on the side (lower surface) close to the pedestal 3. Cannot receive.

The example shown in FIG. 4 is a case where the input device 2 is placed on the pedestal 3 with the second display unit 12 on which the image of the cup is displayed facing up. In this case, the second RFID tag 1 corresponding to the second display unit 12 is close to the cradle 3, and the reception sensitivity of the ID signal in the second RFID tag 1 is greatly reduced, or the ID signal is transmitted. Cannot receive. Therefore, the second RFID tag 1 is selected as the RFID tag 1 in the communication invalid state, and the input information corresponding to the second RFID tag 1, that is, the instruction information requesting that drinking water be brought is acquired. Can be done.

In the present embodiment, the input device 2 inputs the instruction information related to the care work as the input information, but the input device 2 inputs the control information for controlling the television receiver. By operating the device 2, operations such as turning on / off the power of the television receiver, switching channels, and adjusting the volume may be possible. In this case, the input device 2 may be provided with a display unit 12 that represents control contents such as power on / off. Further, in order to control the television receiver, the control device 5 may be configured to communicate with the television receiver so that the control device 5 transmits a control signal to the television receiver.

Next, a schematic configuration of the RFID reader 4 and the control device 5 according to the first embodiment will be described. FIG. 5 is a block diagram showing a schematic configuration of the RFID reader 4 and the control device 5.

The RFID reader 4 includes an RFID antenna 41, a communication unit 42, a control unit 43, and a storage unit 44.

The RFID antenna 41 communicates with the RFID tag 1 of the input device 2 and receives the ID signal transmitted from the RFID tag 1. In the present embodiment, the RFID tag 1 is a passive type that does not have a battery inside, and communicates with the RFID tag 1 by radio waves radiated from the RFID antenna 41. However, the RFID tag 1 is provided with a battery inside. Radio waves may be transmitted as an active type.

The communication unit 42 communicates with the control device 5 and transmits the received signal information acquired by the control unit 43 to the control device 5.

The storage unit 44 stores a program executed by the processor constituting the control unit 43.

The control unit 43 includes a reception sensitivity measurement unit 45. The control unit 43 is composed of a processor, and the reception sensitivity measurement unit 45 of the control unit 43 is realized by executing the program stored in the storage unit 44 by the processor.

The reception sensitivity measuring unit 45 measures the reception sensitivity (radio wave strength) of the ID signal received from the RFID tag 1 by the RFID antenna 41. The measurement result of the reception sensitivity by the reception sensitivity measurement unit 45 is transmitted to the control device 5 as reception signal information together with the ID information included in the ID signal.

The control device 5 includes a communication unit 51, a control unit 52, and a storage unit 53.

The communication unit 51 communicates with the RFID reader 4 and receives the received signal information transmitted from the RFID reader 4.

The storage unit 53 stores a program executed by the processor constituting the control unit 52. Further, the storage unit 53 stores the management information in which the ID information of the RFID tag 1 is registered in association with the instruction information (input information).

The control unit 52 includes an input information acquisition unit 55 and a display control unit 56. The control unit 52 is composed of a processor, and each unit of the control unit 52 is realized by executing a program stored in the storage unit 53 by the processor.

The input information acquisition unit 55 selects the RFID tag 1 in the communication invalid state in which the ID signal cannot be normally received based on the received signal information received by the communication unit 51, and the instruction information (input) corresponding to the RFID tag 1. Information) is acquired.

Further, the input information acquisition unit 55 determines the instruction information (input information) when the input device 2 is placed on the cradle 3 in the same direction for a predetermined time. Specifically, when the RFID tag 1 in the communication invalid state does not change, that is, when the same RFID tag 1 is selected as the RFID tag 1 in the communication invalid state continuously for a predetermined time, the input information is confirmed.

The display control unit 56 displays an instruction screen for instructing the caregiver on the care work on the display device 6 based on the instruction information (input information) acquired by the input information acquisition unit 55. Further, the display control unit 56 identifies the user from the ID information of the RFID tag 1 selected by the input information acquisition unit 55, and displays the user's name on the instruction screen.

By the way, when the input device 2 is placed on the cradle 3, the RFID reader 4 cannot properly receive the ID signal transmitted from the RFID tag 1 (null point) depending on the position and orientation of the input device 2. Sometimes. In this state, since the ID signals of the plurality of RFID tags 1 cannot be normally received, the RFID tags 1 in the communication invalid state cannot be narrowed down to one, and the input information cannot be acquired.

Therefore, in the present embodiment, when the input information acquisition unit 55 cannot narrow down the RFID tag 1 to one, the display control unit 56 indicates that there is an error in the input operation of the input device 2. The screen is displayed on the display device 6. When the caregiver confirms that there is an error in the input operation on the error screen, the caregiver urges the corresponding user to repeat the input operation, specifically, to shift the position or orientation of the input device 2.

Next, the operation procedure of the RFID reader 4 according to the first embodiment will be described. FIG. 6 is a flow chart showing an operation procedure of the RFID reader 4.

When the power is turned on, the RFID reader 4 first radiates a radio wave for communicating with the RFID tag 1 from the RFID antenna 41 (ST101). Then, when the ID signal transmitted from the RFID tag 1 of the input device 2 is received by the RFID antenna 41 (Yes in ST102), the reception sensitivity measuring unit 45 measures the reception sensitivity of the ID signal (ST103). Then, as the received signal information, the ID information included in the ID signal and the measurement result of the receiving sensitivity are transmitted from the communication unit 42 to the control device 5 (ST104).

Next, the operation procedure of the control device 5 according to the first embodiment will be described. FIG. 7 is a flow chart showing an operation procedure of the control device 5.

When the communication unit 51 receives the received signal information transmitted from the RFID reader 4, that is, the ID information included in the ID signal and the measurement result of the reception sensitivity (Yes in ST201), the control device 5 first receives the input information. Based on the measurement result of the reception sensitivity, the acquisition unit 55 determines whether or not all (6 in this case) ID signals of the RFID tag 1 have been received (ST202).

Here, when the ID signals of all the RFID tags 1 are received (Yes in ST202), the RFID tag 1 having the lowest reception sensitivity is selected as the RFID tag 1 in the communication disabled state (ST203).

Even when the input device 2 is off, that is, the input device 2 is not mounted on the pedestal 3, all the RFID tags 1 ID signals are received, but in this case, the reception sensitivity is extremely low. Since there is no tag 1, the on state and the off state are discriminated according to whether or not there is an RFID tag 1 having a reception sensitivity of a predetermined value or less, and communication is performed when the reception sensitivity is a predetermined value or less. It may be determined that the state is invalid.

Next, it is determined whether or not the same RFID tag 1 is selected continuously for a predetermined time (ST206).

Here, if the same RFID tag 1 is not continuously selected for a predetermined time (No in ST206), the process returns to ST201.

On the other hand, when the same RFID tag 1 is continuously selected for a predetermined time (Yes in ST206), the instruction information (input information) corresponding to the selected RFID tag 1 is acquired (ST207). Next, the display control unit 56 displays the instruction information on the display device 6 (ST208). Then, the process returns to ST201 and proceeds to the process corresponding to the new input operation.

If the ID signals of all the RFID tags 1 cannot be received (No in ST202), then it is determined whether or not the ID signals of the five RFID tags 1 have been received (ST204).

Here, when the ID signals of the five RFID tags 1 are received (Yes in ST204), the RFID tag 1 that has not received the ID signal is selected as the RFID tag 1 in the communication invalid state (ST205). Then, proceed to ST206.

On the other hand, when the ID signals of the five RFID tags 1 cannot be received (No in ST204), the display control unit 56 displays an error screen on the display device 6 (ST209).

(Variation example of the first embodiment)
Next, a modification of the first embodiment will be described. It should be noted that the points not particularly mentioned here are the same as those in the above-described embodiment. FIG. 8 is an explanatory diagram showing a situation of an input operation using the input device 2 according to the modified example of the first embodiment. Note that FIG. 8 shows a state in which the input device 2 is viewed from above. FIG. 9 is an explanatory diagram showing an instruction screen displayed on the display device 6.

In the first embodiment, the input information is fixed when the input device 2 is placed on the pedestal 3 in the same direction for a predetermined time, but in the present embodiment, the predetermined confirmation operation is performed. Confirm the input information by performing. Thereby, by performing the confirmation operation for each input operation, one input device 2 can continuously instruct a plurality of nursing care operations.

Specifically, the input device 2 is provided with a confirmation display unit 12. For example, an image of the characters "determine" is displayed on the confirmation display unit 12. Further, in the control device 5, when the RFID tag 1 provided on the side opposite to the confirmation display unit 12 is selected as the RFID tag 1 in the communication invalid state, the communication invalid state selected in the state immediately before that is selected. The instruction information corresponding to the RFID tag 1 of the above is confirmed.

Therefore, by repeating the operation of placing the input device 2 with one of the display units 12 facing up and then placing the input device 2 with the confirmation display unit 12 facing up, a plurality of nursing care operations are continuously instructed. can do.

In the example shown in FIG. 8, the input device 2 is first in a state in which the display unit 12 on which the image of the caregiver is displayed is turned up, and then in a state in which the confirmation display unit 12 is turned up. Next, the display unit 12 on which the toothpaste image is displayed is turned upward, and then the confirmation display unit 12 is turned upward. Next, the display unit 12 on which the image of the bed is displayed is turned up, and then the confirmation display unit 12 is turned up.

In this case, as shown in FIG. 9, the display device 6 displays an instruction screen for instructing a plurality of nursing care operations at the same time. By looking at this instruction screen, the caregiver can grasp that a specific care recipient (Mr. XX) has instructed a plurality of care tasks. In the example shown in FIG. 9, it can be seen that the caregiver wants to come to the care recipient, brush his teeth, and take him to bed.

(Second Embodiment)
Next, the second embodiment will be described. It should be noted that the points not particularly mentioned here are the same as those in the above-described embodiment. FIG. 10 is an explanatory diagram showing a usage state of the input device 101 according to the second embodiment. FIG. 11 is a cross-sectional view of the input device 101.

As shown in FIG. 10, in the present embodiment, the input device 101 is configured to be attached to the user's arm like a bracelet.

As shown in FIG. 11, in the input device 101, a hole 103 for inserting an arm portion is provided in the main body 102. Further, since the arm portion can be rotated 180 degrees to the left and right, the display unit 12 is provided on the three surfaces of the main body 102, and the RFID tag 1 is provided on the three surfaces opposite to the display unit 12. Has been done.

In the input device 101 configured in this way, the user may place the input device 101 on the pedestal 3 with the display unit 12 of the desired nursing care work turned upward by rotating the arm portion. Therefore, the user can perform the input operation even while lying on the bed due to the physical disability.

In the present embodiment, the display units 12 are provided on the three surfaces of the input device 101 so that three nursing care operations can be selected. However, two display units 12 are provided and the arm portion can be rotated. One or more display units 12 may be provided. Further, in the present embodiment, the input device 101 is attached to the user's arm, but it may be attached to the user's leg or the like.

(Modified example of the second embodiment)
Next, a modified example of the second embodiment will be described. It should be noted that the points not particularly mentioned here are the same as those in the above-described embodiment. FIG. 12 is a cross-sectional view of the input device 101 and the pedestal 111 according to the modified example of the second embodiment. The input device 101 is the same as that of the second embodiment (see FIG. 11).

In this embodiment, a cradle 111 having a U-shaped cross section is used. The pedestal 111 includes left and right side wall portions 112, and the input device 101 is inserted into a recess 113 between the left and right side wall portions 112. A shielding portion 114 made of a metal material is provided at the bottom of the recess 113, and the lower surface of the input device 101 is close to the shielding portion 114.

As a result, when the input device 101 is inserted into the recess 113 of the cradle 111, the input device 101 is restricted by the left and right side wall portions 112, and the lower surface of the input device 101 is stably held in a state close to the shielding portion 114. .. Therefore, it is possible to prevent the RFID tag 1 on the lower surface side of the input device 101 from being separated from the shielding portion 114 and becoming a communication enabled state due to the movement of the arm of the user to which the input device 101 is attached.

(Third Embodiment)
Next, the third embodiment will be described. It should be noted that the points not particularly mentioned here are the same as those in the above-described embodiment. FIG. 13 is a cross-sectional view of the input device 121 according to the third embodiment.

In this embodiment, the input device 121 includes a ring-shaped main body 122 that is attached to the user's arm. A plurality of display units 12 are provided on the outer peripheral surface of the main body 122 at predetermined intervals, and an RFID tag 1 is provided on the back surface side of each display unit 12.

Further, in the present embodiment, the wearing tool 126 provided with the shielding portion 125 made of a metal material is fixed to the user's arm portion, and the input device 121 is mounted on the outside of the wearing tool 126.

As an input operation, the user rotates the main body 122 of the input device 121 to align the display unit 12 of the desired instruction content with the position consistent with the shielding unit 125. The operation of rotating the main body 122 may be performed by the hand on the side where the input device 121 is not attached. As a result, the communication of the RFID tag 1 close to the shielding unit 125 is disturbed by the shielding unit 125, and the RFID tag 1 cannot normally transmit the ID signal, resulting in a communication invalid state.

In this case, the RFID tag 1 may be arranged on the side opposite to the display unit 12 corresponding to the RFID tag 1, and the RFID tag 1 may be arranged on the same side as the display unit 12 corresponding to the RFID tag 1 as shown in FIG. However, in these two configurations, the positions of the shielding portions 125 are different.

For example, assuming that one of the display units 12 is facing upward is the selected state of the display unit 12, in the configuration in which the RFID tag 1 is arranged on the side opposite to the corresponding display unit 12, the shielding unit 125 is used. Wear it so that it is located on the underside of the arm. On the other hand, in the configuration in which the RFID tag 1 is arranged on the same side as the corresponding display unit 12, the shielding portion 125 is attached so as to be located on the upper side of the arm portion.

The wearing tool 126 provided with the shielding portion 125 may be configured with a belt wrapped around the user's arm, but may be attached to the user's arm with an adhesive or the like.

Further, the input device is provided with an inner ring and an outer ring, and the outer ring is configured to rotate around the inner ring, and a shielding portion 125 is provided on the inner ring fixed to the user's arm. The display unit 12 and the RFID tag 1 may be provided on the outer ring.

(Fourth Embodiment)
Next, the fourth embodiment will be described. It should be noted that the points not particularly mentioned here are the same as those in the above-described embodiment. FIG. 14 is a perspective view showing the input device 2 and the pedestal 131 according to the fourth embodiment. The input device 2 is the same as that of the first embodiment (see FIG. 1).

In the above embodiment, the pedestal 3 on which the input device 2 is placed is formed in a flat plate shape, but in the present embodiment, the pedestal 131 has three plate-shaped portions 132 (shielding portions) orthogonal to each other. It is configured to have. Each plate-shaped portion 132 is made of a metal material.

In the pedestal 131 configured in this way, when the input device 2 is placed on the pedestal 3 so as to come into contact with the three surfaces of the input device 2, the three RFID tags 1 arranged on the three surfaces of the input device 2 are placed. Since it is close to each plate-shaped portion 132, the three RFID tags 1 are in a communication invalid state at the same time. As a result, in the control device 5, by acquiring the instruction information (input information) corresponding to each RFID tag 1 in which the communication is disabled, three instruction information can be acquired at the same time, and three nursing care operations can be performed at the same time. Can be instructed.

In this case, as in the example shown in FIG. 9, the display device 6 simultaneously displays three instruction screens for instructing the nursing care work.

Further, when the input device 2 is placed so that the two surfaces of the input device 2 come into contact with the two plate-shaped portions 132 of the cradle 131 and the input device 2 does not come into contact with the remaining one plate-shaped portion 132, 2 is simultaneously placed. You can instruct one care work. Further, if the input device 2 is placed so that only one surface of the input device 2 comes into contact with one plate-shaped portion 132 and the input device 2 does not come into contact with the remaining two plate-shaped portions 132, one nursing care operation is performed. Can be instructed.

In the present embodiment, the pedestal 131 has three plate-shaped portions 132 orthogonal to each other, but may have two plate-shaped portions 132 orthogonal to each other. In this case, by placing the input device 2 on the pedestal 131 so that the two surfaces of the input device 2 come into contact with the two plate-shaped portions 132, it is possible to instruct two nursing care operations at the same time.

(Fifth Embodiment)
Next, the fifth embodiment will be described. It should be noted that the points not particularly mentioned here are the same as those in the above-described embodiment. FIG. 15 is an explanatory diagram showing an information input system according to the fifth embodiment.

In the first embodiment, the care work desired by the care recipient is specified by the input device 2 in the care facility, but in the present embodiment, the product ordered by the customer is input in the restaurant such as fast food. It is specified by the device 2. The input device 2 is provided for each table in the audience seats, and the customer can operate the input device 2 in the audience seats to order products.

In particular, in the present embodiment, a plurality of input devices 2 are used to order a set menu in which a plurality of products are combined for each type. The input device 2 is provided for each type of product, and each input device 2 can select the corresponding type of product.

In the example shown in FIG. 15, an input device 2 for a main menu, an input device 2 for a side menu, and an input device 2 for a drink are provided in this order from the left. In the input device 2 for the main menu, a hamburger, a cheeseburger, a teriyaki burger, or the like can be selected as the main menu. In the input device 2 for the side menu, salad, french fries, chicken nuggets, etc. can be selected as the side menu. In the drink input device 2, cola, coffee, orange juice, or the like can be selected as the drink.

In this case, in order to identify the RFID tag 1 in which the communication is disabled for each input device 2, the ID information of the RFID tag 1 is associated with the product type or the identification information of the input device 2 corresponding to the product type. And register it in the management information. Further, in order to specify the table of the audience seats where the customer has performed the order operation with the input device 2, the ID information of the RFID tag 1 is registered in the management information in association with the identification information of the table of the audience seats.

In this embodiment, as in the first embodiment, if the instruction information (input information) is determined when the input device 2 is placed on the pedestal 3 in the same direction for a predetermined time. good.

(Variation example of the fifth embodiment)
Next, a modified example of the fifth embodiment will be described. It should be noted that the points not particularly mentioned here are the same as those in the above-described embodiment. FIG. 16 is an explanatory diagram showing a situation of an input operation in an information input system. Note that FIG. 16 shows a state in which the input devices 2 and 141 are viewed from above.

In the present embodiment, in addition to the plurality of input devices 2 for product selection, an input device 141 for confirmation is provided. When the confirmation input device 141 is placed on the cradle 3, the input information of the remaining product selection input devices 2 is fixed, that is, it is designated by the plurality of product selection input devices 2. The order for the item is confirmed.

In this case, only one RFID tag 1 needs to be provided in the confirmation input device 141. Further, the RFID tag 1 may be provided on the same surface as the display unit 12 indicating confirmation.

As described above, embodiments have been described as an example of the techniques disclosed in this application. However, the technique in the present disclosure is not limited to this, and can be applied to embodiments in which changes, replacements, additions, omissions, etc. have been made. It is also possible to combine the components described in the above embodiments to form a new embodiment.

For example, in the above-described embodiment, the main body of the input device is formed into a cube, and a display unit and an RFID tag are provided on each of the six surfaces of the main body, but the input device is limited to such a configuration. It suffices to provide at least two display units and two RFID tags, respectively. For example, the main body of the input device may be formed in a plate shape, and a display unit and an RFID tag may be provided on the front and back surfaces of the main body, respectively. Further, the main body of the input device may be formed in a polyhedron other than a cube (such as a regular octahedron), and a number of display units and RFID tags corresponding to the shape of the main body may be provided. Further, it is also possible to form the main body of the input device into a sphere, and in this case, the pedestal may be configured so that the sphere can be stably supported.

Further, in the above-described embodiment, the shield (pedestal) is formed in a flat plate shape and the input device is placed on the upper surface thereof, but the configuration is limited to the configuration in which the input device is placed on the shield. It is not something that will be done. For example, the shield may be fixed to a vertical wall surface, and the input device may be fixed to the shield by an appropriate fixing means such as a magnet, a suction cup, or an adhesive.

Further, in the above-described embodiment, the input device is used to input the instruction information for designating the nursing care work or the product as the input information, but the input information is not limited to the instruction information. For example, in an open space (free space) where a plurality of tables can be freely used, the usage purpose (meeting, break, etc.) of each table may be input by an input device. As a result, by displaying the usage of each table on the display device, the person who wants to use the table can easily confirm the usage of each table, and the table is used as a high-priority usage (for example, a meeting). A person who wants to use the open space can promote appropriate use of the open space by requesting a person who is using the space for a purpose of use (for example, a break) having a lower priority than himself / herself.

Further, in the above-described embodiment, the control device displays the instruction information input by the input device on the display device in order to notify the person who is the recipient of the instruction of the instruction content, but the control device is the receiver of the instruction. The instruction information may be transmitted from the control device to the mobile terminal possessed by the person, and the instruction content may be notified on the mobile terminal. In this case, the instruction content may be displayed on the screen after notifying the incoming call by voice or vibration on the mobile terminal, but the instruction content may be notified by voice or vibration itself. For example, a synthetic voice representing the instruction content may be output from the mobile terminal, or the mobile terminal may be vibrated in a pattern according to the instruction content. Further, when a plurality of instructions are given at the same time, a sentence combining a plurality of instruction contents may be generated and a synthesized voice of the sentence may be output.

The input device, control device, information input system, and information input method according to the present invention reduce the weight of the input device so that even a physically handicapped person can easily operate the input device, and the structure of the input device is simplified. It has the effect of reducing manufacturing costs, and it has an input device that inputs information according to the input operation performed by the user, a control device that acquires the input information, and acquires input information according to the input operation performed by the user. It is useful as an information input system for inputting information and an information input method for inputting information according to an input operation performed by a user.

1 RFID tag 2 Input device 101 Input device 121 Input device 141 Input device 3,111,131 Cradle (shield)
4 RFID reader 5 Control device 6 Display device 11, 102, 122 Main unit 12 Display unit 41 RFID antenna 42 Communication unit 43 Control unit 44 Storage unit 51 Communication unit 52 Control unit 53 Storage unit 103 Hole 113 Recess 114, 125 Shielding unit 126 Wearing tool 132 Plate-shaped part

Claims (9)

It is an input device that inputs information according to the input operation performed by the user.
With the main body
A plurality of display units provided on the outer surface of the main body and displaying images representing each of the plurality of input information, and a plurality of display units.
A plurality of RFID tags provided on the main body and transmitting an ID signal corresponding to each of the plurality of input information to the RFID reader.
Equipped with
The main body is formed in a ring shape, and on its inner peripheral surface, it rotates so as to be close to or separated from a shield made of a dielectric.
By having the user perform an input operation for adjusting the posture of the main body so that the display unit corresponding to the input information to be input is oriented in a predetermined direction, the RFID tag corresponding to the input information to be input can be obtained. An input device characterized in that the RFID tag approaches the shield and the communication is disabled, and the remaining RFID tag is separated from the shield and the communication is enabled. The input device according to claim 1, wherein the input information is information related to a care work instructed by the care recipient to the caregiver. The input device according to claim 1, wherein the input information is information about a product ordered by a customer. The display unit includes a plurality of instruction display units for selecting instruction information as input information, and a confirmation display unit for confirming the instruction information input in the input operation performed immediately before. The input device according to claim 1. It is an information input system that acquires input information according to the input operation performed by the user.
An input device with multiple RFID tags and
A shield made of dielectric and
RFID reader and
With the control device
Equipped with
The input device is
With the main body
A plurality of display units provided on the outer surface of the main body and displaying images representing each of the plurality of input information, and a plurality of display units.
A plurality of RFID tags provided in the main body and transmitting ID signals corresponding to each of the plurality of input information to the RFID reader.
Equipped with
The shield is formed with a recess for receiving the input device, and a shield made of a dielectric is provided inside the recess.
By having the user perform an input operation for adjusting the posture of the main body so that the display unit corresponding to the input information to be input is oriented in a predetermined direction, the RFID tag corresponding to the input information to be input can be obtained. , The communication is disabled by approaching the shield, and the remaining RFID tags are separated from the shield and the communication is enabled.
The RFID reader is
An antenna that receives the ID signal from the RFID tag and
A control unit that acquires received signal information regarding the reception status of the ID signal for each of the plurality of RFID tags, and a control unit.
A communication unit that transmits the received signal information to the control device,
Equipped with
The control device is
A communication unit that receives the received signal information from the RFID reader,
A control unit that selects the RFID tag in the communication disabled state based on the received signal information and acquires the input information corresponding to the RFID tag.
An information input system characterized by being equipped with. It is an information input system that acquires input information according to the input operation performed by the user.
An input device with multiple RFID tags and
A shield made of dielectric and
RFID reader and
With the control device
Equipped with
The input device is
With the main body
A plurality of display units provided on the outer surface of the main body and displaying images representing each of the plurality of input information, and a plurality of display units.
A plurality of RFID tags provided in the main body and transmitting ID signals corresponding to each of the plurality of input information to the RFID reader.
Equipped with
The shield comprises a plurality of shields that are simultaneously close to the plurality of RFID tags.
By having the user perform an input operation for adjusting the posture of the main body so that the display unit corresponding to the input information to be input is oriented in a predetermined direction, the RFID tag corresponding to the input information to be input can be obtained. , The communication is disabled by approaching the shield, and the remaining RFID tags are separated from the shield and the communication is enabled.
The RFID reader is
An antenna that receives the ID signal from the RFID tag and
A control unit that acquires received signal information regarding the reception status of the ID signal for each of the plurality of RFID tags, and a control unit.
A communication unit that transmits the received signal information to the control device,
Equipped with
The control device is
A communication unit that receives the received signal information from the RFID reader,
A control unit that selects the RFID tag in the communication disabled state based on the received signal information and acquires the input information corresponding to the RFID tag.
An information input system characterized by being equipped with. Equipped with the above-mentioned input devices
The control unit of the control device is characterized in that, for each of the plurality of input devices, the RFID tag in the communication disabled state is selected to acquire the input information for each of the plurality of input devices. Item 5 or the information input system according to claim 6 . The seventh aspect of claim 7 , wherein the plurality of input devices include an instruction input device for selecting instruction information as the input information and a confirmation input device for determining the instruction information. Information input system. It is an information input method that inputs information according to the input operation performed by the user.
A main body, a plurality of display units provided on the outer surface of the main body and displaying images representing each of the plurality of input information, and an ID signal provided on the main body corresponding to each of the plurality of input information. An input operation for adjusting the posture of the main body so that the display unit corresponding to the input information to be input is oriented in an input device including a plurality of RFID tags for transmitting the information to the RFID reader. By doing so, the RFID tag corresponding to the input information to be input approaches the shield made of a dielectric and the communication becomes invalid, and the remaining RFID tag communicates away from the shield. It becomes valid and becomes
The shield comprises a plurality of shields that are simultaneously close to the plurality of RFID tags.
The RFID reader
When the ID signal is received from the RFID tag, the received signal information regarding the reception status of the ID signal is acquired, and the received signal information is transmitted to the control device.
The control device
When the received signal information is received from the RFID reader, the RFID tag in the communication invalid state is selected based on the received signal information, and the input information corresponding to the RFID tag is acquired. Information input method.

Images