JP2010020723A - Maintenance service support system using personal digital assistant - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a maintenance service support system which is excellent in operability using a personal digital assistant. <P>SOLUTION: The maintenance service support system includes: a personal digital assistant 11 having an information processing function and a portable telephone function; and a portal server 17 connected through a public communication line network 12 and a virtual private network device 13 to the personal digital assistant 11, and connected through a corporate LAN 31 to a business system 30 for processing information related with a maintenance service and for executing the authentication of a terminal holder, the retrieval of the unique information of a terminal holder, the generation of a portal site page having a link to the unique information and the transmission of the portal site page to the personal digital assistant 11 as a series of processes according to a connection instruction received from the personal digital assistant 11. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a maintenance service support system used for a maintenance service, and more particularly to a maintenance service support system using a portable information terminal such as a smartphone.

  For example, in a maintenance service for maintaining a computer, conventionally, a paper work instruction manual and a manual are carried to a customer, and the progress of the work is reported to the management center by telephone.

  For this reason, there is a problem that not only the work is hindered due to the large number of portable items, but also the operation of the management center is reliant on the manpower and the management cost is high.

  In order to solve such a point, a technology has been proposed in which a mobile phone and a personal computer are connected, and these are carried to a customer and the necessary information is downloaded at the customer (for example, Patent Document 1).

  However, since the PC is heavy and large in size, it is inconvenient to carry and there is a problem that it is difficult to maintain security when lost.

In this regard, a technology has been proposed in which a portable information terminal is carried to a customer and information such as maintenance history information is downloaded at the customer (for example, Patent Document 2).
JP 2002-163393 A JP 2005-346623 A

  However, the technique described in Patent Document 2 has a problem in that the portable information terminal has a small screen and keyboard keys and is inconvenient to operate.

  Specifically, it is necessary to touch and click an average of 50 times before connecting a small and hard-to-press key to the server, and the procedure and effort for using it are burdened by the operator.

  The present invention has been made in view of the above-described problems, and provides a maintenance service support system using a portable information terminal that improves operability by reducing the number of touches that are input operations to the minimum necessary. The purpose is to provide.

  To achieve this object, the present invention provides a portable information terminal having an information processing function and a cellular phone function, a virtual private network device connected to the portable information terminal via a wireless public communication network, a virtual private network device, A business system for processing information related to maintenance work connected via an in-house LAN, and a portal server connected to the business system via an in-house LAN, the portal server received from a portable information terminal Authentication means for authenticating the terminal holder in accordance with one connection instruction, search means for searching for the work instructions and schedule of the terminal holder authenticated by the authentication means, and work based on the search result of the search means Portal site page that generates a portal site page with links to instructions and schedules And forming means, and transmission means for transmitting a portal page generated portal site pages generating means to the portable information terminal, providing maintenance service support system using a portable information terminal, characterized in that.

  According to the present invention, it is possible to provide a maintenance service support system with excellent operability.

  Hereinafter, an embodiment of a maintenance service support system using a portable information terminal according to the present invention will be described in detail with reference to the drawings. In addition, while attaching | subjecting the same code | symbol about the same location in each figure, the overlapping description is abbreviate | omitted.

<System configuration>
FIG. 1 is a configuration diagram showing an outline of the maintenance service support system of the present embodiment. As shown in FIG. 1, the maintenance service support system of this embodiment includes a portable information terminal 11, a portal server 17, and a business system 30.

  The portable information terminal 11 is connected to the portal server 17 via a public communication line network 12 such as the Internet, a virtual private network device 13 that constitutes a pseudo private network, and a firewall 14. The public wireless network 12 to which the portable information terminal 11 is connected is a wireless public communication network.

  The mail server 15 and the public server 16 may be connected on a DMZ (demilitarized zone) that is also isolated from the public communication line network 12 that is an external network and the internal LAN 31 that is an internal network by the firewall 14. It is assumed that the mail server 15 and the public server 16 are permitted by setting on the firewall 14 so that only a specific communication protocol can be accessed from the public communication line network 12. In addition to the portal server 17, a business system 30 and an administrator PC 29, which is an administrator personal computer, are connected to the in-house LAN 31 inside the firewall 14.

  The portal server 17 includes a portal database 17A (hereinafter, the database is referred to as DB).

  The business system 30 includes, for example, the following servers. That is, the reception management server including the reception management database 18A for storing the reception management information, the customer management server 19 including the customer management DB 19A for storing information related to the customer, and the device configuration management DB 20A for storing the configuration of the devices owned by the customer. Equipment configuration management server 20 provided, work history management server 21 provided with work history management DB 21A for storing work history, material inventory management server 22 provided with material inventory management DB 22A for storing stock of materials and parts, terminal owner Schedule management server 23 having a schedule management DB 23A for storing a schedule of the document, a knowledge management server 24 having a knowledge management DB 24A for storing an example of a failure situation and a countermeasure, and a document management having a document management DB 25A for storing various documents Server 25, equipment and Failure diagnosis server 26 having a failure diagnosis DB 26A for storing diagnosis results of failure locations corresponding to the situation, maintenance tool management server 27 having a maintenance tool management DB 27A for storing various maintenance tools, and employee management for storing information about employees The employee management server 28 includes a DB 28A.

  The servers provided in the business system 30 are not limited to these, and some of them may be omitted.

  FIG. 2 is a block diagram showing an outline of the portable information terminal 11. The portable information terminal 11 is a terminal device also called a smartphone, and has an information processing function and a mobile phone function. Compared with a personal computer, the portable information terminal 11 has advantages that it is easy to carry, has a long battery drive time, can be activated and used immediately, and has a strong security when lost.

  As shown in FIG. 2, the portable information terminal 11 includes a CPU 111 that is an arithmetic device, a display 112 that displays images and characters, a touch panel, a keyboard 113, a memory 114 that is a storage device, a speaker 115, and a microphone. 116, a camera 117, an external memory 118 which is an external storage device, and a mobile phone communication unit 119 having a mobile phone function.

  In addition to these, the portable information terminal 11 has a wireless communication interface such as USB (Universal Serial Bus) and Bluetooth (registered trademark).

  Next, the structure of each database will be described. FIG. 3 shows the data structure of the portal DB 17A. As shown in FIG. 3, the portal DB 17A is uniquely assigned to, for example, a “terminal ID” uniquely assigned to a terminal, an “employee ID” uniquely assigned to an employee who is a terminal owner, and a terminal ID. “Password” is stored.

  FIG. 4 shows the data structure of the reception management DB 18A. As shown in FIG. 4, the reception management DB 18A, for example, “work instruction number” uniquely assigned to the work instruction, “customer ID” uniquely assigned to the customer, “reception information”, request The “required part” that is the part that has been received, the “part number” that is the number thereof, and the “acceptance voice” that records the conversation at the time of fault reception are stored.

  “Reception information” includes, for example, “failed device” that is the name of the failed device, “failure level” that indicates the degree of the failure, “device model number” that is the model number of the failed device, Includes “Production Number” of the device that caused the problem, “Symptom” that indicates the failure phenomenon, “Response Content” that indicates the response to the customer, and “Progress” that indicates the progress of the work. .

  FIG. 5 shows the data structure of the customer management DB 19A. As illustrated in FIG. 5, the customer management DB 19A stores, for example, “customer ID” and “customer information” that are uniquely assigned to the customer.

  “Customer information” includes, for example, “customer name” that is the name of the customer, “address” that is the customer's address, “telephone number” that is the customer's telephone number, and “jurisdiction” that represents the center that has jurisdiction over the customer. “Center”, “model” representing the model of the customer, “contract content” representing the contract content with the customer, and “billing destination” indicating the billing destination to the customer.

  FIG. 6 shows the data structure of the device configuration management DB 20A. As illustrated in FIG. 6, the device configuration management DB 20 </ b> A stores, for example, “customer ID” and “device configuration information” that are uniquely assigned to customers.

  The “apparatus configuration information” includes, for example, a “delivery date” indicating the delivery date of the apparatus and a “configuration apparatus” indicating the configuration of the apparatus.

  FIG. 7 shows the data structure of the work history management DB 21A. As shown in FIG. 7, the work history management DB 21A has, for example, a “customer ID” uniquely assigned to a customer, a “work instruction number” uniquely assigned to a work instruction, and a medical record for recording work contents. The “medical chart ID” and the “maintenance history information” that are uniquely assigned to each are stored.

  The “maintenance history information” includes, for example, “work time” indicating the total time of work, “work content” indicating the content of the work performed, and “work detailed information” indicating the details of the work content. .

  FIG. 8 shows the data structure of the material inventory management DB 22A. As shown in FIG. 8, the material inventory management DB 22A stores “part code” indicating the type of part and “inventory status”. “Inventory status” includes, for example, “remaining number” indicating the remaining number of the part.

  FIG. 9 is a diagram illustrating a data structure of the schedule management DB 23A. As illustrated in FIG. 9, the schedule management DB 23 </ b> A stores “employee ID” and “schedule information” uniquely assigned to an employee who is a terminal holder, for example.

  The “schedule information” includes, for example, “year / month / date / time” representing the date and time and “schedule details” representing the content of the schedule.

  FIG. 10 shows the data structure of the employee management DB 28A. As shown in FIG. 10, the employee management DB 28A stores, for example, “employee ID” and “employee information” uniquely assigned to the employee who is the terminal owner.

  The “employee information” includes, for example, the “name” that is the name of the employee, the “mail ID” that is the ID of the e-mail, the “work location” that indicates the workplace of the employee, and the nearest station of the workplace. And the nearest station.

<System operation>
The maintenance service support system according to this embodiment is designed to rationalize input operations. When a one-time password is entered in the password entry form 1401 on the “home” screen shown in FIG. 14A and the connection button 1402 is clicked to give a connection instruction, the portable information terminal 11 is connected to the VPN (virtual private network). And an instruction to connect to the portal server 17 is transmitted.

  In accordance with the connection instruction received from the portable information terminal 11, the portal server 17 authenticates the terminal owner, searches for unique information of the terminal owner, generates a portal site page having a link to the unique information, Transmission of the page to the portable information terminal 11 is executed as a series of steps. The maintenance service support system according to the present embodiment executes a series of steps according to a single instruction.

  Here, the unique information of the terminal owner refers to various types of information uniquely assigned to the terminal owner, such as work instructions and personal schedules, but is not limited thereto.

  Further, when the portal server 17 receives an instruction for generating a web page including the portal site page shown in FIG. 15 and the work instruction shown in FIG. 16 from the portable information terminal 11, the link server 17 The link destination is inspected, and if there is no link destination, the link is deleted or changed to generate this web page. By configuring in this way, there is an effect that the useless operation of the terminal holder can be suppressed.

  FIG. 11 is a flowchart showing operations of the portable information terminal 11 and the portal server 17. As shown in FIG. 11, in step S401, the portable information terminal 11 accepts input of a password and a connection instruction.

  The password is a one-time password used for VPN (virtual private network) connection authentication.

  In step S402, the portable information terminal 11 performs VPN connection. That is, the portable information terminal 11 transmits the user ID stored in the memory and the input one-time password to the VPN device via the public communication network 12 and is authenticated by the authentication server. If the authentication is successful, the portable information terminal 11 proceeds to step S403.

  In step S <b> 403, the portable information terminal 11 reads the terminal ID uniquely assigned to the portable information terminal 11 and the password from the memory 114 and transmits them to the portal server 17.

  In step S404, the portal server 17 receives the terminal ID and the password. In step S405, the portal server 17 searches the portal server DB 17A based on the received terminal ID and reads the password. The portal server 17 compares the read password and the received password. If they are the same, the authentication is successful, and if they are not the same, the authentication is failed. If the authentication is successful, the portal server 17 proceeds to step S406.

  In step S406, the portal server 17 searches the portal DB 17A based on the received terminal ID and reads out the employee ID.

  In step S407, the portal server 17 searches the schedule management DB 23A based on the read employee ID, reads the upcoming schedule of the employee, and stores it in the storage device.

  In step S408, the portal server 17 extracts the work instruction number from the read out schedule in the near future, and proceeds to step S501 in FIG.

  Next, description will be made with reference to FIG. FIG. 12 is a continuation of the flowchart showing the operation of the portable information terminal 11 and the portal server 17.

  As shown in FIG. 12, in step S501, the portal server 17 searches the reception management DB 18A based on the extracted work instruction number, and reads the work instruction contents.

  In step S502, the portal server 17 reads out the link described in the work instruction and verifies whether a link destination exists. If the link destination exists, the portal server 17 proceeds to step S504. If the portal server 17 determines that there is no link destination, the process proceeds to step S503.

  In step S503, the portal server 17 cuts the link of the work instruction or changes the link to a predetermined link destination, and proceeds to step S504.

  In step S504, the portal server 17 searches the employee management DB 28A based on the read employee ID, and reads the mail ID of the employee who is the terminal owner and the nearest station of the workplace. In step S505, the portal server 17 sets the read nearest station as a route search link. Further, the portal server 17 sets the read mail ID as a mail link. Thereby, when the route search link is clicked, the nearest station is displayed at the departure station, and the touch operation of the portable information terminal 11 can be omitted by this amount. Further, when the mail link is clicked, the portable information terminal 11 downloads and displays the received mail of the terminal owner, so that the touch operation of the portable information terminal 11 for opening the mail software or inputting the mail ID is omitted. it can.

  In addition to the nearest station and e-mail ID, it is possible to reduce touch operations by setting the unique information of the terminal owner as a link. For example, by setting the department to which the terminal owner belongs to a link, the schedule in the department can be downloaded. It is also possible to configure the departure station to be omitted by setting the nearest station information in the travel expense link.

  In step S506, the portal server 17 generates the portal site page shown in FIG. 15 and temporarily stores it in the portal DB 17A. The generated portal site page can also be configured to be stored in a temporary file. In step 507, the portal server 17 reads the portal site page temporarily stored from the portal DB 17 </ b> A or the temporary file, and transmits it to the portable information terminal 11.

  In step S <b> 508, the portable information terminal 11 downloads the portal site page from the portal server 17.

  The portal server 17 performs the operations up to this point with a single instruction from the portable information terminal 11. By configuring in this way, there is an effect that the number of touches which are operations of the portable information terminal 11 is significantly reduced.

  Next, description will be made with reference to FIG. FIG. 13 is a continuation of the flowchart showing the operation of the portable information terminal 11 and the portal server 17. Hereinafter, generation of a work instruction will be described. Also in the generation of the work instruction, the link destination of the link included in the work instruction that is a web page is inspected, and when there is no link destination, the link is deleted or changed to generate the work instruction. By configuring in this way, there is an effect that the useless operation of the terminal holder can be suppressed.

  As shown in FIG. 13, in step S <b> 601, when the portable information terminal 11 accepts a click on the work instruction download link in the portal site page, it transmits the work instruction number to the portal server 17.

  In step S602, the portal server 17 searches the reception management DB 18A based on the received work instruction number, and reads the customer ID and the reception information. In step S603, the portal server 17 searches the customer management DB 19A based on the read customer ID, and reads customer information. In step S604, the portal server 17 searches the device configuration management DB 20A based on the read customer ID and reads the device configuration information.

  In step S605, the portal server 17 generates a link based on the read information. In step S606, the portal server 17 prefetches the link. That is, it connects to the link destination of the generated link.

  In step S607, the portal server 17 determines whether a link destination of each link exists. If the link destination exists, the portal server 17 proceeds to step S609. If the link destination does not exist, the portal server 17 proceeds to step S608, disconnects the link, or changes the link to a predetermined link destination, and proceeds to step S609.

  In step S609, the portal server 17 generates a work instruction and temporarily stores it in the portal DB 17A. The generated portal site page can also be configured to be stored in a temporary file. In step 610, the portal server 17 temporarily reads the work instruction from the portal DB 17 </ b> A or a temporary file and transmits it to the portable information terminal 11.

  In step S611, the portable information terminal 11 downloads a work instruction. In step S612, the portable information terminal 11 stores the downloaded work instruction sheet in the memory 114, and proceeds to step S701 shown in FIG.

  Here, the screen will be described. FIG. 14 is a diagram showing a screen of the portable information terminal 11. FIG. 14A shows the screen shown in step 401 of FIG. The portable information terminal 11 accepts an input of a one-time password from the password input form 1401 and accepts an input of a connection instruction from the connection button 1402.

  When the schedule button 1403 is clicked, the portable information terminal 11 displays a schedule page, when the instruction button 1404 is clicked, a work instruction sheet is displayed, and when the progress button 1405 is clicked, the portable information terminal 11 is shown in FIG. Display the work progress report page.

  As shown in FIG. 14B, the work progress report page includes a pull-down menu 1406 indicating a work instruction number, a date / time form 1407 for accepting date / time input, a progress radio button 1408 for displaying a report type, and a comment. A comment form 1409 that accepts an input of a file, a file form 1410 that accepts an input of a file name of an attached file, and a send button 1411 that accepts an input of a transmission instruction.

  The work progress report can be transmitted without going through the VPN. In this case, the contents of the work progress report page form can be transmitted to the public server 16 shown in FIG. 1, and the transmission data can be read by the portal server 17 to receive the work progress report.

  FIG. 14C shows an example of a scheduled page. As shown in FIG. 14C, the schedule of the terminal owner is displayed on the schedule page. FIG. 14D is an example of the action instruction page. As shown in FIG. 14D, a desired work instruction can be designated and displayed on the menu 1420.

  FIG. 15 is a diagram illustrating an example of a menu screen of the portal site page. For example, the portal site page is described in a markup language such as HTML and displayed on a web browser in terms of handling, but the display method is not limited to this.

  In FIG. 15, a route link 1501 is a link that is generated in step S <b> 505 and sets the nearest station. A mail link 1505 is a link generated in step S505 and set with a mail ID. The work instruction link 1502 is a link that is clicked in step S601.

  The telop 1503 is a telop that displays the latest schedule read in step S407, the latest schedule, or a predetermined number of schedules including the latest schedule.

  Here, the telop is a display method in which characters are sequentially moved in one direction for display. By using this telop, there is an effect that the limited screen space of the portable information terminal 11 can be used effectively.

  FIG. 16 is a diagram illustrating an example of a work instruction sheet. For example, the work instruction is described in a markup language such as HTML and displayed on a web browser in terms of handling, but the display method is not limited thereto.

  The work instruction is a [device configuration] that is a link for browsing information related to the device configuration of the customer, a [technical information] that is a link for browsing technical information related to the model of the customer, [Failure diagnosis], which is a link for performing failure diagnosis from a combination of phenomena, [Map], which is a link to a map of the customer location, [Maintenance medical record], which is a link to a maintenance service chart, and dialing a customer phone number Link, [acceptance audio] which is a link for downloading reception audio, and [inventory] which is a link for displaying the inventory status of the part.

  As shown in FIG. 16, the work instruction includes, for example, customer information read in step S603, reception information and contract information read in step S602, and device configuration information read in step S604.

  Underlined [Reception Audio], [Device Configuration], [Map], [Technical Information], [Maintenance Chart], [Inventory], and [Technical Information] are links. . These links are links in which the portal server 17 pre-reads the links in steps S605 to S608 and verifies the existence of the link destination. If the link destination does not exist, it is determined in advance whether the link is disconnected. The link has been changed.

  Next, security measures will be described. The portable information terminal 11 is configured to store the work instruction once read in the memory in step S612 and save the reconnection. For this reason, the problem of security maintenance at the time of the loss of the portable information terminal 11 arises.

  The maintenance service support system according to the present embodiment is configured to delete the work instruction stored in the portable information terminal 11 when the work completion report is reported on the work progress report page shown in FIG. Has been.

  By configuring in this way, there is an effect that it is possible to improve operability and maintain security. This will be specifically described below.

  FIG. 17 is a flowchart showing a continuation of step S612 in FIG. As shown in FIG. 17, it is determined in step S701 whether a completion report instruction has been input. If the completion report instruction has not been input, the portable information terminal 11 returns to step S701. When the completion report instruction is input, the portable information terminal 11 proceeds to step S702.

  In step S <b> 702, the portable information terminal 11 transmits a completion message to the public server 16. In step S703, the portable information terminal 11 deletes the work instruction stored in the memory 114.

  In step S704, the public server 16 receives the completion message. In step S705, the portal server 17 periodically inquires of the public server 16 whether or not a completion report has been received. If a completion report has been received, it is read and registered in the reception management DB 18A.

  FIG. 18 is a diagram showing the flow of maintenance tool download and registration in the customer system. When the T & D 1504 on the portal site page shown in FIG. 15 is clicked, a list of maintenance tools is displayed. When a desired maintenance tool is selected, the maintenance tool management server 27 reads the maintenance tool from the maintenance tool management DB 27A. It transmits to the portable information terminal 11.

  When the portable information terminal 11 receives an instruction to copy the downloaded maintenance management tool, the portable information terminal 11 copies it to an external storage device such as the USB memory 1801 or connects a cable such as the USB cable 1802 to the customer server 1803 and Copy to server 1803.

  The portable information terminal 11 can also upload the log and test results of the customer server 1803 to the business system 30. In this case, the portable information terminal 11 stores logs and test results in the memory 114 via an external storage device such as the USB memory 1801 and a cable such as the USB cable 1802.

  The portable information terminal 11 uploads the file selected by attaching the work progress report shown in FIG. 14B to a predetermined server of the business system 30 when the transmission button is clicked.

  This configuration makes it possible to obtain maintenance tools that are urgently needed at the customer's site immediately, and upload logs and inspection results to analyze logs at the reception center. There is an effect that can be received by Lee.

  As described above, the maintenance service support system using the portable information terminal of the present embodiment, according to the connection instruction received from the portable information terminal 11, authenticates the terminal holder, searches for the unique information of the terminal holder, A portal server that executes generation of a portal site page having a link to unique information and transmission of the portal site page to a portable information terminal as a series of steps. For this reason, the maintenance service support system using the portable information terminal of the present embodiment has an effect that it is possible to provide a maintenance service support system with excellent operability.

It is a block diagram which shows the outline | summary of the maintenance service assistance system of this embodiment. 2 is a block diagram showing an outline of a portable information terminal 11. FIG. It is a figure which shows the data structure of portal DB17A. It is a figure which shows the data structure of reception management DB18A. It is a figure which shows the data structure of customer management DB19A. It is a figure which shows the data structure of apparatus configuration management DB20A. It is a figure showing the data structure of work history management DB21A. It is a figure which shows the data structure of material stock management DB22A. It is a figure which shows the data structure of schedule management DB23A. It is a figure which shows the data structure of employee management DB28A. 4 is a flowchart showing operations of the portable information terminal 11 and the portal server 17. It is a continuation of the flowchart showing the operation of the portable information terminal 11 and the portal server 17. It is a continuation of the flowchart showing the operation of the portable information terminal 11 and the portal server 17. It is a figure which shows the screen of the portable information terminal. It is a figure which shows the example of a portal site page. It is a figure which shows the example of a work instruction sheet. 14 is a flowchart showing a continuation of step S612 in FIG. It is a figure which shows the outline | summary of the data transmission / reception with the portable information terminal 11 and a customer system.

Explanation of symbols

11: Personal digital assistant,
12: Public communication network
13: Virtual private network device,
14: Firewall
15: Mail server
16: Public server
17: Portal server,
29: Administrator PC,
30: Business system,
31: In-house LAN.

Claims (5)

A portable information terminal having an information processing function and a mobile phone function;
A virtual private network device connected to the portable information terminal via a wireless public communication network;
A portal server connected to the virtual private network device via an in-house LAN;
A business system for processing information related to maintenance work connected via the in-house LAN;
With
The portal server
Authentication means for authenticating a terminal holder in accordance with a one-time connection instruction received from the portable information terminal; search means for searching for a work instruction and schedule of the terminal holder authenticated by the authentication means; Portal site page generating means for generating a portal site page having a link to the work instruction and the schedule based on a search result of the search means; and the portal site page generated by the portal site page generating means Transmission means for transmitting to the information terminal,
A maintenance service support system using a portable information terminal. The portal server is
When an instruction to generate the portal site page is received, the link destination of the link included in the portal site page is inspected, and if there is no link destination, the link is deleted or changed to generate the portal site page. A maintenance service support system using the portable information terminal according to claim 1. The portal server is
When receiving an instruction for generating the work instruction, the link destination of the link related to the work related information included in the work instruction is inspected, and if there is no link destination, the link is deleted or changed, and the work is performed. The maintenance service support system using the portable information terminal according to claim 1, wherein an instruction is generated. The work instruction is
Links to browse information related to customer's device configuration, links to browse technical information related to customer's model, link to perform fault diagnosis from combination of customer's model and phenomenon, to customer location map One of the following links: link to maintenance service chart, dialing of customer phone number, link for downloading reception voice, link to inventory information of requested parts, link to view work history The maintenance service support system using the portable information terminal according to claim 1, comprising the above. The portal site page is
2. The maintenance service support system using a portable information terminal according to claim 1, wherein a telop for displaying a schedule of the terminal owner is displayed on the portable information terminal.

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