CN114555504A - Elevator system - Google Patents

Elevator system Download PDF

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Publication number
CN114555504A
CN114555504A CN201980101177.1A CN201980101177A CN114555504A CN 114555504 A CN114555504 A CN 114555504A CN 201980101177 A CN201980101177 A CN 201980101177A CN 114555504 A CN114555504 A CN 114555504A
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China
Prior art keywords
display
age
portable terminal
storage unit
control device
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Granted
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CN201980101177.1A
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Chinese (zh)
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CN114555504B (en
Inventor
宫野一辉
村上博行
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Mitsubishi Electric Building Solutions Corp
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Mitsubishi Electric Building Techno Service Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B3/00Applications of devices for indicating or signalling operating conditions of elevators

Abstract

The elevator system is provided with, for example, a car (11), a transmission device (2), a control device (17), and a server (4). The control device (17) is provided with a storage unit (51), a table generation unit (53), and a display control unit (52). A table generation unit (53) generates a display table by registering one of a plurality of contents stored in a storage unit (51) for a plurality of time periods set in advance. A display control unit (52) displays the content corresponding to the current time on the display (19) on the basis of the display table.

Description

Elevator system
Technical Field
The present invention relates to elevator systems.
Background
Patent document 1 describes a display system for an elevator. In the system described in patent document 1, the display of the display provided in the car is controlled based on information received from the user's portable terminal.
Documents of the prior art
Patent document
Patent document 1: japanese laid-open patent publication No. 2002-104747
Disclosure of Invention
Problems to be solved by the invention
In the system described in patent document 1, the display of the display is changed every time a user uses an elevator. Therefore, for example, when a plurality of persons ride in the car, it is not known which user should control the display in accordance with which user. In addition, when a user rides in the car, the display of the display may frequently change. Therefore, there is a problem of poor convenience.
The present invention has been made to solve the above problems. The invention aims to provide an elevator system which can properly control the display of a display according to the main age bracket of a person using an elevator without damaging convenience.
Means for solving the problems
An elevator system of the present invention includes: a car having a display; a transmission device which is provided at a landing where the car stops and which transmits a wireless signal; a control device for controlling the car; and an external device capable of communicating with the control device. When a specific portable terminal receives a wireless signal transmitted from the transmitting device, identification information for identifying the portable terminal is transmitted from the portable terminal to an external device. When the external device receives the identification information from the portable terminal, attribute information including information indicating the age group of the owner of the portable terminal is transmitted from the external device to the control device. The control device is provided with: a storage unit that stores a plurality of contents for display; a table generating unit that generates a display table by registering one of the plurality of contents stored in the storage unit for a plurality of time periods set in advance, respectively, based on the attribute information received from the external device; and a display control unit that displays the content corresponding to the current time on the display based on the display table generated by the table generation unit.
An elevator system of the present invention includes: a car having a display; a transmission device which is provided at a landing where a car stops and which transmits a wireless signal; and a control device for controlling the car. When a specific portable terminal receives a wireless signal transmitted from a transmitting device, attribute information including information indicating the age bracket of the owner of the portable terminal is transmitted from the portable terminal to a control device. The control device is provided with: a storage unit that stores a plurality of contents for display; a table generating unit that generates a display table by registering one of the plurality of contents stored in the storage unit for a plurality of time periods set in advance, respectively, based on the attribute information received from the portable terminal; and a display control unit that displays the content corresponding to the current time on the display based on the display table generated by the table generation unit.
Effects of the invention
According to the elevator system of the present invention, the display of the display can be appropriately controlled according to the age group of the person using the elevator.
Drawings
Fig. 1 is a diagram showing an example of an elevator system according to embodiment 1.
Fig. 2 is a diagram showing an example of a portable terminal.
Fig. 3 is a diagram showing an example of a server.
Fig. 4 is a diagram showing an example of the control device.
Fig. 5 is a flowchart showing an example of the operation of the portable terminal.
Fig. 6 is a flowchart showing an example of the operation of the server.
Fig. 7 is a flowchart showing an example of the operation of the control device.
Fig. 8 is a flowchart showing an example of the operation of the control device.
Fig. 9 is a diagram showing the usage ratio of elevators in a specific time zone by age zone.
Fig. 10 is a diagram showing the usage ratio of elevators in other time zones by age zone.
Fig. 11 is a diagram showing the usage ratio of elevators in other time slots by age.
Fig. 12 is a diagram showing an example of hardware resources of the control device.
Fig. 13 is a diagram showing another example of hardware resources of the control device.
Detailed Description
The invention is described with reference to the accompanying drawings. Duplicate descriptions are appropriately simplified or omitted. In the drawings, the same reference numerals denote the same or equivalent parts.
Embodiment 1.
Fig. 1 is a diagram showing an example of an elevator system according to embodiment 1. The elevator system shown in fig. 1 includes, for example, an elevator device 1, a transmission device 2, a portable terminal 3, and a server 4.
The elevator apparatus 1 is connected to a server 4 via a network 5, for example. The network 5 is, for example, an IP network. The IP network is a communication network using IP (Internet Protocol) as a communication Protocol. The network 5 may be a closed network or an open network.
The elevator apparatus 1 includes, for example, a car 11 and a counterweight 12. The car 11 moves up and down in the hoistway 13. The car 11 and the counterweight 12 are suspended in the hoistway 13 by the main ropes 14. The main ropes 14 are wound around a drive sheave 16 of a hoisting machine 15. The hoisting machine 15 is controlled by a control device 17. That is, the control device 17 controls the movement of the car 11. In the example shown in the present embodiment, the control device 17 has an operation function, a maintenance function, and a communication function. The control device 17 can communicate with the server 4 via the network 5. The server 4 is an example of an external device that can communicate with the control device 17.
The transmission device 2 is, for example, a beacon. The transmission device 2 transmits a radio signal of a specific frequency band. The transmission device 2 is installed at a landing 18 where the car 11 stops. The transmission device 2 can be installed at all landings 18 where the car 11 stops. The transmission device 2 may be provided at a part of the landing 18 where the car 11 stops. For example, the transmission device 2 may be installed only at the landing 18 on the entrance floor of the building.
The portable terminal 3 is a terminal held by a user. The portable terminal 3 is, for example, a smartphone. In this system, a specific application for an elevator is installed in advance in the mobile terminal 3. For example, the user can download the application to the mobile terminal 3 by accessing a homepage of a maintenance company that manages the elevator apparatus 1 from the mobile terminal 3. In the following description, this application is expressed as "application a".
Fig. 2 is a diagram showing an example of the portable terminal 3. The mobile terminal 3 includes, for example, a display 31 and an input device 32. The display 31 and the input device 32 may be integrated devices of a touch panel type. Fig. 3 is a diagram showing an example of the server 4. The server 4 includes, for example, a storage unit 41, a communication unit 42, and a determination unit 43. Fig. 4 is a diagram showing an example of the control device 17. The control device 17 includes, for example, a storage unit 51, a display control unit 52, and a table generation unit 53.
Hereinafter, the operation of the present system will be described in detail. Fig. 5 is a flowchart showing an example of the operation of the mobile terminal 3.
In the hall 18, the transmission device 2 transmits a radio signal at a predetermined cycle, for example. The mobile terminal 3 determines whether or not the wireless signal transmitted from the transmission device 2 is received (S101). For example, when a user having the mobile terminal 3 approaches the hall 18, the mobile terminal 3 receives a wireless signal transmitted from the transmission device 2 (yes in S101). When the portable terminal 3 receives the wireless signal transmitted from the transmission device 2, the application a is automatically started in the portable terminal 3 (S102).
The wireless signal transmitted by the transmission device 2 is a signal for automatically starting the application a installed in the mobile terminal 3. The radio signal transmitted from the transmitting apparatus 2 includes, for example, identification information B for identifying the transmitting apparatus 2. When the application a is started in S102, a 1 st signal is automatically transmitted from the portable terminal 3 to the server 4 (S103). The 1 st signal includes identification information B included in the radio signal from the transmission device 2. The 1 st signal also contains identification information C for identifying the portable terminal 3.
Fig. 6 is a flowchart showing an example of the operation of the server 4. In the server 4, it is determined whether or not the 1 st signal is received from the portable terminal 3 (S201). When the server 4 receives the 1 st signal transmitted by the portable terminal 3 in S103, the 2 nd signal is transmitted from the server 4.
Specifically, in the server 4, upon receiving the 1 st signal from the portable terminal 3, the determination unit 43 determines the transmission destination of the 2 nd signal and the attribute information included in the 2 nd signal (S202). For example, the storage unit 41 stores a conversion table for specifying the transmission destination of the 2 nd signal from the identification information B. When the server 4 receives the 1 st signal from the mobile terminal 3, the specifying unit 43 specifies the control device 17 as the transmission destination of the 2 nd signal based on the identification information B included in the 1 st signal and the conversion table stored in the storage unit 41.
Further, the storage unit 41 stores an attribute table for specifying the attribute of the owner of the mobile terminal 3 from the identification information C. For example, when the application a is downloaded to the portable terminal 3, an input form for inputting gender and age bracket is displayed on the display 31 of the portable terminal 3. The owner of the portable terminal 3 inputs his or her sex and age group using the input device 32, and transmits the input information to the server 4. Thus, the identification information C of the mobile terminal 3 is registered in association with the information of the sex and age group of the owner in the attribute table of the storage unit 41. When the server 4 receives the 1 st signal from the portable terminal 3, the determination unit 43 determines the sex and age group of the owner of the portable terminal 3 based on the identification information C included in the 1 st signal and the attribute table stored in the storage unit 41.
Based on the result determined by the determination unit 43 in S202, the communication unit 42 transmits the 2 nd signal to the control device 17 as the destination determined by the determination unit 43 (S203). Attribute information including information indicating the sex and age group of the owner of the portable terminal 3 is included in the 2 nd signal. The attribute information may not include information indicating the sex of the owner of the mobile terminal 3.
In the example shown in the present embodiment, the car 11 is provided with a display 19. The display 19 is controlled by the control device 17. The storage unit 51 stores a plurality of contents to be displayed on the display 19. For example, the storage unit 51 stores the contents of the sex and age group of the user. As another example, the storage unit 51 stores general-purpose contents, that is, contents for all ages. In addition, a display table is stored in the storage unit 51. Table 1 shows an example of a display table.
[ TABLE 1 ]
Figure BDA0003586591620000051
A plurality of time periods are preset in the display table. Table 1 shows an example in which a time period of every 30 minutes is set. The setting example of the time period is not limited to the example shown in table 1. In the display table, contents to be displayed on the display 19 are registered for each time period.
The display control unit 52 displays the content corresponding to the current time on the display 19 based on the display table stored in the storage unit 51. For example, if the current time is 8 o' clock and 10 minutes, the display control unit 52 displays the content stored in the storage unit 51 for a 20 th-old male on the display 19. As another example, if the current time is 9: 50 minutes, the display 19 displays the content stored in the storage unit 51 for general use.
Fig. 7 and 8 are flowcharts showing an example of the operation of the control device 17. Fig. 7 and 8 show a series of actions.
The control device 17 determines whether or not the 2 nd signal is received from the server 4 (S301). As described above, the server 4 transmits the 2 nd signal to the control device 17 when receiving the 1 st signal from the portable terminal 3. The control device 17 stores the 2 nd signal received from the server 4 in the storage unit 51 in a time zone divided by the time zone in which the mobile terminal 3 receives the wireless signal (S302). The table generating unit 53 generates a display table as shown in table 1 based on the attribute information included in the 2 nd signal received from the server 4. For example, the table generating unit 53 registers one of a plurality of contents stored in the storage unit 51 for display purposes for a plurality of time slots set in advance. The procedure of the table generating unit 53 for generating the display table will be described in detail below.
Fig. 9 is a diagram showing the usage ratio of elevators in a specific time zone by age zone. In the control device 17, for example, the 2 nd signal of the last week is stored in the storage unit 51. Then, each of the accumulated 2 nd signals is classified based on the time when the mobile terminal 3 receives the wireless signal and the attribute information of the owner of the mobile terminal 3. Fig. 9 shows the classification result in, for example, the period P17.
The table generating unit 53 first identifies the age group having the highest utilization ratio in the time period P17 (S303). In the example shown in the present embodiment, the attribute information includes information indicating gender and age group. Thus, for example, a 40's male and a 40's female are considered to be different age groups. In the example shown in fig. 9, the age group with the highest utilization ratio is a 20-year-old male.
Next, the table generating unit 53 determines whether or not the usage ratio R1 of the age group specified in S303 exceeds a threshold Th1 (S304). The threshold Th1 is set in advance. For example, the threshold Th1 is 30%. In the example shown in fig. 9, the utilization ratio R1 for a male aged 20 is 35%. Therefore, it is determined as yes in S304. In the present embodiment, the symbol Ri indicates the ith highest utilization ratio in one time slot.
If it is determined as "yes" in S304, the table generating unit 53 registers the content stored in the storage unit 51 for the 20-year-old male as the age group in the display table as the content to be displayed on the display 19 in the time zone P17 (S305).
In S306, the table generating part 53 determines whether the registration of the content is completed for all the time periods. If the registration of the content is completed for all the time periods, the table generation section 53 ends the generation processing of the display table. On the other hand, if there is a time period in which the content registration is not completed, the table generating part 53 continues the processing for registering the content for display for the time period.
Fig. 10 is a diagram showing the usage ratio of elevators in other time zones for each age zone. Fig. 10 shows the classification result in, for example, the period P18.
When the registration of the content of the period P17 is completed, the table generating part 53 determines the age bracket with the highest utilization ratio in the period P18 (S303). In the example shown in fig. 10, the utilization ratio R1 is highest for a 20-year-old male. However, in the example shown in fig. 10, the utilization ratio R1 for a male aged 20 or older is 20%. Therefore, the determination at S304 is no.
If it is determined as no in S304, the table creating unit 53 sums the usage ratios in the order from the age group with a high usage ratio to the age group with a low usage ratio until the usage ratio exceeds the threshold Th 2. The threshold Th2 is a value larger than the threshold Th 1. The threshold Th2 is set in advance.
For example, if it is determined as "no" in S304, the value of i is set to 2 (S307). In S308, the table generation unit 53 calculates the sum Rs of the utilization ratios R1 to Ri. In the example shown in fig. 10, the utilization ratio R2 of a 20's old female is the second highest. The utilization ratio R2 was 15%. Therefore, the sum Rs is calculated to be 35% in S308. The table generation unit 53 determines whether or not the sum Rs calculated in S308 exceeds the threshold Th2 (S309). For example, the threshold Th2 is 50%. In this case, the determination at S309 is no. If it is determined as "no" in S309, 1 is added to the current value of i (S310). Then, the processing of steps S308 to S310 is repeated until it is determined as yes in step S309.
In the example shown in fig. 10, when the value of i becomes 3 in S310, the sum Rs becomes 48%. In S310, when the value of i is 4, the sum Rs becomes 60%. Thus, it is determined as yes in S309.
If it is determined as yes in S309, the table generating unit 53 determines whether or not a plurality of age brackets adjacent to each other are included in the age brackets whose usage ratios are summed up in S308 (S311). For example, a 20-year-old male and a 30-year-old male are adjacent age groups. Women aged 40 and 50 are adjacent age groups. On the other hand, a 60-yr male and a "10-yr female are not adjacent age groups. In the example shown in the present embodiment, the 30-year-old male and the 30-year-old female are not in the adjacent age groups.
In the example shown in fig. 10, when the value of i is 4, in S308, the sum Rs of the usage ratio R1 for the 20-year-old male, the usage ratio R2 for the 20-year-old female, the usage ratio R3 for the 30-year-old male, and the usage ratio R4 for the 40-year-old male is calculated. Of these age groups, a 20-year-old male, a 30-year-old male, and a 40-year-old male are adjacent age groups. Therefore, in the example shown in fig. 10, it is determined as yes in S311.
If yes is determined in S311, the table generation unit 53 determines whether or not the number of the adjacent age groups is an odd number (S312). In the example shown in fig. 10, the adjacent age groups are 20-old men, 30-old men, and 40-old men, and the number thereof is 3. Therefore, it is determined as yes in S312. If it is determined as yes in S312, the table generating unit 53 registers the content stored in the storage unit 51 as the content to be displayed on the display 19 in the time slot P18, for the middle age bracket among the adjacent odd-numbered age brackets (S313). In the example shown in fig. 10, the table generating unit 53 registers the content stored in the storage unit 51 for the 30-year-old male in the display table.
On the other hand, if it is determined as "no" in S312, the number of adjacent age groups is an even number. In this case, there are two central age groups in the adjacent age groups. If it is determined as "no" in S312, the table generating unit 53 registers the content stored in the storage unit 51 as the content to be displayed on the display 19 in the time slot, for the age group with the higher utilization ratio of the two age groups at the center (S314).
Fig. 11 is a diagram showing the usage ratio of elevators in other time zones by age. Fig. 11 shows the classification result in, for example, the period P20.
For example, the table generating unit 53 specifies the age group having the highest utilization ratio in the time period P20 (S303). In the example shown in fig. 11, the usage ratio R1 for "10-year-old" men and "10-year-old" women is 20%. Therefore, the determination at S304 is no. When the value of i becomes 3, the sum Rs becomes 55%, and it is determined as yes in S309.
In the example shown in fig. 11, the usage ratio R1 for "10-year-old" men, the usage ratio R1 for "10-year-old" women, and the usage ratio R3 for 30-year-old men are added, and Rs exceeds the threshold Th 2. These age groups do not include adjacent multiple age groups. Therefore, the determination at S311 is no.
If it is determined as no in S311, the table generation unit 53 registers the content stored in the storage unit 51 for general use in the display table as the content to be displayed on the display 19 in the time period P20 (S315).
In the example shown in the present embodiment, the display of the display 19 can be appropriately controlled according to the age group of the person using the elevator. Further, since the content displayed on the display 19 is predetermined in the display table, the display of the display 19 does not change frequently, and convenience is not impaired. The updating of the display table is performed, for example, once a week.
In the present embodiment, in S311, it is determined only whether or not a plurality of adjacent age groups are included in the age groups whose usage ratios are summed up in S308. This is just one example. In S311, when there are a plurality of age groups adjacent to each other, it may be determined whether or not the total value of the usage ratios of the plurality of age groups exceeds the 3 rd threshold. The 3 rd threshold is preset. For example, in the example shown in fig. 10, the sum of the usage ratio R1 for a 20-year-old male, the usage ratio R3 for a 30-year-old male, and the usage ratio R4 for a 40-year-old male is 45%. When the sum 45% exceeds the 3 rd threshold value, the table generation unit 53 may determine that the sum is yes in S311.
In the present embodiment, the example in which the 1 st signal is transmitted from the mobile terminal 3 to the server 4 when the mobile terminal 3 receives the wireless signal transmitted from the transmission device 2 is described. This is just one example. The mobile terminal 3 may transmit the 1 st signal to the control device 17 when receiving the wireless signal from the transmission device 2. In this case, the 1 st signal contains attribute information including information indicating the sex and age of the owner of the portable terminal 3. The control device 17 receives the 1 st signal from the portable terminal 3, for example, via a receiver (not shown) provided at the hall 18.
In the present embodiment, each part shown by reference numerals 51 to 53 represents a function of the control device 17. Fig. 12 is a diagram showing an example of hardware resources of the control device 17. The control device 17 includes a processing circuit 60 including a processor 61 and a memory 62 as a hardware resource. The function of the storage unit 51 is realized by the memory 62. The memory 62 is, for example, a semiconductor memory. The control device 17 implements the functions of the respective sections shown by reference numerals 52 and 53 by executing a program stored in the memory 62 by the processor 61.
Fig. 13 is a diagram showing another example of the hardware resources of the control device 17. In the example shown in fig. 13, the control device 17 includes a processing circuit 60 including a processor 61, a memory 62, and dedicated hardware 63. Fig. 13 shows an example in which a part of the functions of the control device 17 is realized by dedicated hardware 63. All functions of the control device 17 may be realized by dedicated hardware 63. As the dedicated hardware 63, a single circuit, a composite circuit, a programmed processor, a parallel programmed processor, an ASIC, an FPGA, or a combination thereof can be employed.
Similarly, each of the parts shown by reference numerals 41 to 43 represents a function of the server 4. The example of the hardware resources of the server 4 is the same as the example shown in fig. 12. For example, the server 4 includes a processing circuit including a processor and a memory as a hardware resource. The function of the storage unit 41 is realized by a memory. The server 4 executes the programs stored in the memory by the processor, thereby realizing the functions of the respective sections shown by reference numerals 42 and 43. The example of the hardware resources of the server 4 may be the same as the example shown in fig. 13. In this case, the server 4 includes a processing circuit including a processor, a memory, and dedicated hardware. That is, a part of the functions of the server 4 may be realized by dedicated hardware. All the functions of the server 4 may be realized by dedicated hardware.
Industrial applicability
The present invention can be applied to an elevator system using a user's portable terminal.
Description of the reference symbols
1: an elevator device; 2: a transmitting device; 3: a portable terminal; 4: a server; 5: a network; 11: a car; 12: a counterweight; 13: a hoistway; 14: a main rope; 15: a traction machine; 16: a drive sheave; 17: a control device; 18: a landing; 19: a display; 31: a display; 32: an input device; 41: a storage unit; 42: a communication unit; 43: a determination section; 51: a storage unit; 52: a display control unit; 53: a table generating unit; 60: a processing circuit; 61: a processor; 62: a memory; 63: dedicated hardware.

Claims (7)

1. An elevator system, wherein the elevator system comprises:
a car having a display;
a transmission device that is provided at a landing where the car stops and that transmits a wireless signal;
a control device that controls the car; and
an external device capable of communicating with the control device,
transmitting identification information for specifying the portable terminal from the portable terminal to the external device when a specific portable terminal receives the wireless signal transmitted from the transmitting device,
transmitting, from the external device to the control device, attribute information containing information indicating an age group of an owner of the portable terminal when the external device receives identification information from the portable terminal,
the control device is provided with:
a storage unit that stores a plurality of contents for display;
a table generating unit that generates a display table by registering one of the plurality of contents stored in the storage unit for a plurality of time periods set in advance, respectively, based on the attribute information received from the external device; and
and a display control unit that displays a content corresponding to the current time on the display based on the display table generated by the table generation unit.
2. An elevator system, wherein the elevator system comprises:
a car having a display;
a transmission device that is provided at a landing where the car stops and that transmits a wireless signal; and
a control device for controlling the car,
transmitting attribute information including information indicating an age group of an owner of the portable terminal from the portable terminal to the control device when a specific portable terminal receives the wireless signal transmitted from the transmission device,
the control device is provided with:
a storage unit that stores a plurality of contents for display;
a table generating unit that generates a display table by registering one of the plurality of contents stored in the storage unit for a plurality of time periods set in advance, respectively, based on the attribute information received from the portable terminal; and
and a display control unit that displays a content corresponding to the current time on the display based on the display table generated by the table generation unit.
3. The elevator system of claim 1 or 2, wherein,
the plurality of contents stored in the storage unit include contents classified by age of a user,
the table generating unit
Determining an age group having the highest utilization ratio for a specific time period based on the attribute information received by the control device,
when the usage ratio of the age group exceeds the 1 st threshold, the content stored in the storage unit for the age group is registered in the display table as the content to be displayed on the display in the specific time zone.
4. The elevator system of claim 3,
the table generating unit
When the usage ratio of the age group determined does not exceed the 1 st threshold, the usage ratios are summed up in the order from an age group with a high usage ratio to an age group with a low usage ratio until the usage ratio exceeds the 2 nd threshold which is larger than the 1 st threshold,
when the age groups having the total utilization ratio include adjacent odd-numbered age groups, the content stored in the storage means for the middle age group of the odd-numbered age groups is registered in the display table as the content to be displayed on the display in the specific time period.
5. The elevator system of claim 3,
the table generating unit
When the usage ratio of the age group determined does not exceed the 1 st threshold, the usage ratios are summed up in the order from an age group with a high usage ratio to an age group with a low usage ratio until the usage ratio exceeds the 2 nd threshold which is larger than the 1 st threshold,
when the age groups having the total use ratios include adjacent even age groups, the content stored in the storage unit for the age group having the higher use ratio of the two age groups at the center of the even age groups is registered in the display table as the content to be displayed on the display in the specific time zone.
6. The elevator system of claim 4 or 5, wherein,
including general-purpose content among the plurality of contents stored in the storage unit,
when a plurality of age groups adjacent to each other are not included in the age groups having the total usage ratio, the table generating unit registers the content stored in the storage unit for the general use in the display table as the content to be displayed on the display in the specific time slot.
7. The elevator system of any of claims 1-6,
the attribute information includes information indicating the sex and age group of the owner of the portable terminal,
the plurality of contents stored in the storage unit include contents classified by gender and age of a user.
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