JP2006080593A - Information terminal and program thereof - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To solve the problem of a conventional information terminal 10 for controlling electric appliances (110 to 130) that has the difficulty of particularizing one electric appliance purpose program for one electric appliance among a plurality of electric appliance programs when a plurality of the electric appliance programs exist for one electric appliance. <P>SOLUTION: Since an information terminal disclosed herein can determine an electric appliance purpose program in a way of taking into account the priority by acquiring a program list denoting information required for the operation of the electric appliance purpose program from a server 300 before the acquisition of the electric appliance purpose program, the information terminal can particularize one electric appliance purpose program even when a plurality of the electric appliance purpose programs exist. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to an information terminal device that controls an electric device by installing a program for controlling the electric device and the program.

  Electrical devices that are currently used in homes have their own operation switches (input units) and control units, each with its own control system. It was necessary to operate directly. Even when there is a remote control for remote control such as an air conditioner, if a different manufacturer is installed, the devices that can be operated are limited, and the user needs to use a plurality of remote controls.

  On the other hand, the concept of a home network system that constructs a communication network (LAN) in the home, connects electrical devices to the communication network, and controls the electrical devices centrally via the communication network is proposed. Has been.

  Among them, in order to centrally control electrical devices in such a home network system, a driver for controlling electrical devices is installed in the information terminal device in the same way as installing a printer driver (program) in a computer. If the driver is updated to a newer version that has more advanced functionality or has bugs removed, the new version of the driver must be installed on the computer.

  For this reason, several inventions have been proposed in which a program is downloaded and installed on an information terminal device via a network when the program is updated to a new version (see, for example, Patent Document 1).

  FIG. 14 shows a conventional information terminal device described in Patent Document 1. In FIG. As shown in FIG. 14, a conventional information terminal device (home server) 10 is installed in each home and is connected to an air conditioner 110, a refrigerator 120, and a washing machine 130, which are electrical devices, via a first network 150, thereby forming a home network. is doing. Further, the information terminal apparatus 10 is connected to the server 300 storing a program that holds a program for controlling the various electric devices in the second network 250.

  With the configuration as described above, the electric device 100 is connected to the home network when the power is turned on or when the power is turned on again after the power is turned off. At that time, the electric device 100 transmits a signal (electric device identification information for identifying the electric device) to the information terminal device 10.

  The server 300 is composed of a gateway server and a home appliance server that holds a control program (driver) for electrical equipment.

  When the information terminal device 10 receives a signal from the electric device 100, the information terminal device 10 requests a URL in which a control program for the electric device 100 connected to the server 300 (gateway server) is stored (at that time, information on the received signal is obtained). The electronic device control program is downloaded (acquired) via the second network (Internet) and installed (introduced) based on the URL transmitted from the gateway server.

The electric device identification information described here represents home appliance information, and includes an electric device name (air conditioner, refrigerator, etc.), a home appliance manufacturer ID (maker code), and a model code (product code).
JP 2002-247668 A

  However, in the conventional configuration, a plurality of control programs for electric devices having the same signal (electric device identification information) are developed, and for each condition (for each household, for each remaining storage capacity state of the storage unit of the information terminal device). When it is desired to change the program to be provided, there is a problem that the information terminal device cannot determine which program of the plurality of programs should be introduced into the information terminal device by performing a search based only on the manufacturer code or the product code. .

  Specifically, it is as follows.

  When the electric device is an air conditioner (type A), it is assumed that an air conditioner (type A) manufacturer has developed two types of programs for controlling the air conditioner. One is an air conditioner (type A) dedicated program that can set ON / OFF of the air conditioner, temperature setting, and operation mode (cooling, heating, dehumidification, etc.). The other is an air conditioner general-purpose program (simple version of a dedicated program) that performs only ON / OFF setting of the air conditioner. While the settable temperature range and installed operation mode differ for each product, this general-purpose program can be used as a program to control many products because it only performs ON / OFF control (if the manufacturer is different) The same). Also, the program size can be reduced because the functions are limited compared to the dedicated app.

  When the air conditioner is connected to a home network and an attempt is made to change the program acquired by the information terminal device for each home, in the conventional configuration, which information terminal device (gateway server that transmits the URL to the information terminal device) acquires the program. Had a problem of not knowing what to get.

  In order to solve the conventional problem, an information terminal device according to the present invention is an information terminal device connected to a server. The information terminal device includes a program acquisition unit that acquires a program held by the server, and a program acquisition unit. It consists of a program determination unit that determines the program to be acquired and a storage unit that stores the program acquired by the program acquisition unit, and the program determination unit receives the operation information necessary for the program to operate from the server and the program itself. Is obtained by determining a program to be acquired.

  Thus, before acquiring a program from the server, first, information necessary for the program to operate is acquired from the server, and by determining the program to be acquired based on the information, one program is necessarily acquired. Can be specified.

  The information terminal device and the program thereof according to the present invention can determine one program to be acquired by the program determination unit using the information in the program list even when a plurality of programs exist for the same electrical device.

  1st invention is the information terminal device connected with a server, The said information terminal device is a program acquisition part which acquires the program which the said server hold | maintains, and the program determination which determines the said program which the said program acquisition part acquires And a storage unit for storing the program acquired by the program acquisition unit. The program determination unit identifies operation information necessary for the program to operate from the server and the program itself from the others. First, obtain the information necessary for the program to operate before obtaining the program from the server by obtaining the program list describing the program definition name to be executed and determining the program to be obtained. By determining the program to be acquired based on that information, It can be specified always one program to retrieve.

  In the second invention, in particular, the operation information of the first invention is composed of the electric device identification information and priority of the electric device controlled by the program, and the information terminal device identifies the electric device for distinguishing from the others. An electrical device identification information acquisition unit that acquires the electrical device identification information from the electrical device by connecting to an electrical device that holds information, and the program determination unit searches a program list to search for the electrical device identification information acquisition unit. If there are a plurality of programs for the electrical device identification information acquired by the device, a plurality of electrical devices holding the same electrical device identification information can be determined by determining that the program has a higher priority. Even if there are other programs, the program determination unit determines the program to be acquired based on the priority included in the program list. A program section obtains may be determined to one. Also, for example, if the priority is expressed as a natural number (if the numerical data is small, the priority is high), and if the numerical data is changed on the server, the priority is changed. Can do.

  In the third invention, in particular, the operation information of the second invention is composed of program definition names of other programs that operate in cooperation with the electrical device identification information, and the program determination unit stores the program that operates in cooperation with the storage unit It is a useless function to acquire a program having a cooperation function in a state where a program that operates in cooperation does not exist in the storage unit by determining whether the program is to be acquired by searching whether or not In addition, since the program size is increased by the amount of the function, the capacity of the storage unit can be effectively used by acquiring a program having no linkage function.

  In the fourth invention, in particular, the information terminal device of the second invention is provided with a notification unit, and the program determination unit searches the program list, and there are a plurality of programs for the electric device identification information acquired by the electric device identification information acquisition unit. If it exists, it can be confirmed that a plurality of programs exist for the same electrical device identification information by notifying the fact by the notification unit. Further, for example, if a program to be acquired is selected on a screen notified by the notification unit, a program required by the electric device user can be installed in the information terminal device.

  According to a fifth aspect of the invention, the information terminal device of the second aspect of the invention is provided with a storage capacity calculation unit for calculating the remaining storage capacity of the storage unit, and the operation information is composed of electrical device identification information, priority, and program data size. The program determination unit searches the program list and, when there are a plurality of programs for the electric device identification information acquired by the electric device identification information acquisition unit, the program data size and the remaining capacity calculated by the storage capacity calculation unit. The storage unit can be used effectively by comparing the storage capacity and determining the program that acquires the highest priority data size that is smaller than the remaining storage capacity.

  The sixth aspect of the invention includes a device registration unit that assigns an identification code to an electric device so that the information terminal device of any one of the second to fifth aspects of the invention can communicate with the electric device. When the code is assigned, the electric device identification information acquisition unit acquires the electric device identification information, the program determination unit determines the program to be acquired, and the program acquisition unit acquires the program, so that the electric device is connected to the home network. Since it is possible to acquire a program by performing only necessary operations for each of the electrical equipment and the information terminal device when connecting to the PC, it is not necessary to perform a separate operation for acquiring the program, and the complexity of the user can be eliminated. .

  The seventh invention is a program for realizing at least a part of the functions of the electric device according to any one of the first to sixth inventions by a computer. Since it is a program, hardware resources such as a CPU (microcomputer), RAM, ROM, storage device, I / O, etc., electrical information equipment, a computer, a server, etc. cooperate with each other, and at least one of the information terminal devices of the present invention. The part can be easily realized. Also, program distribution and installation can be simplified by recording on a recording medium or distributing a program using a communication line.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. Note that the present invention is not limited to the embodiments.

(Embodiment 1)
FIG. 1 is a system configuration diagram of a system to which an information terminal device belongs according to the first embodiment of the present invention. The information terminal device 10 and the electric devices (the air conditioner 110, the refrigerator 120, and the washing machine 130) are connected by the first network 150 to constitute a home network. Further, the information terminal device 10 is connected to the server 300 via the second network 250 (Internet).

The information terminal device 10 includes a liquid crystal display 10 (a) for displaying various information, a button 10 (b) as an input unit, a touch panel 10 (c) provided on the liquid crystal display, and a first network. And at least a wireless unit 151 for connection.
Similarly to the information terminal device 10, the electrical devices 110 to 130 include at least a wireless unit 152 for connecting to the first network 150. Note that the first network 150 is configured to use radio as a communication medium, but may be wired such as power line communication in which data is superimposed on an electric wire or a power line.

  FIG. 2 is a block diagram showing a configuration of the entire system to which the information terminal apparatus 10 belongs in the first embodiment of the present invention.

  The information terminal device 10 includes a first transmission / reception unit 11 that can be connected to the first network 150, a second transmission / reception unit 12 that can be connected to the second network 250, a storage unit 13, and a device registration unit 14. And an electrical equipment identification information acquisition unit 15, a program determination unit 16, a program acquisition unit 17, a notification unit 18, and an input unit 19.

  The storage unit 13 includes at least a program storage area 13 (a) that stores a program that operates on the information terminal device 10, and a list of programs stored in the program storage area 13 (a) (program list (local)). ) Is stored in the program list area 13 (b). The program list (local) will be described with reference to FIG.

  As shown in FIG. 3, the program definition names of the programs for controlling the electrical equipment are stored in tabular form for each electrical equipment identification information (equipment code, manufacturer code, product code) connected to the information terminal device 10. Yes. The program definition name is uniquely added to each program and is like a name used to distinguish from other programs. In this embodiment, the program definition name is a character string, but may be a numerical value.

  The device registration unit 14 is a processing unit that assigns an identification code to the electrical devices 110 to 130 so that the information terminal device 10 and the electrical devices 110 to 130 can communicate with each other on the first network 150. When the electrical devices 110 to 130 store the identification code assigned by the device registration unit 14 and the electrical devices 110 to 130 communicate with the information terminal device 10, the information terminal includes the identification code in the data to be communicated. The device 10 can determine which device the information is from. Further, when the information terminal device 10 also communicates with the electric devices 110 to 130, by including this identification code in the communication data, it is determined whether or not each electric device is data addressed to itself. Is that we are doing the right thing.

  The electric device identification information acquisition unit 15 acquires the electric device identification information stored in the electric devices 110 to 130 via the first transmission / reception unit 11, and the content of the electric device identification information is A manufacturer code that indicates which electrical device it is (such as an air conditioner, refrigerator, washing machine, etc.) and the manufacturer that manufactured the electrical device as described above It is comprised with the code | cord | chord and the goods code used in order to distinguish with others in the electric equipment made from the same manufacturer.

  The program determination unit 16 reads the program list (local) 13 (b) from the storage unit 13 and stores in the storage unit 13 a program corresponding to the electrical device identification information acquired by the device information acquisition unit described later. If the desired program is not stored in the storage unit 13, a program list (server) indicating the program stored in the server 300 is sent via the second transmission / reception unit 12. Acquisition / reading from the server 300 and search for whether a desired program is stored in the server 300. If the server 300 has a desired program, the program is determined to be acquired. The program list (server) will be described later.

  The program acquisition unit 17 acquires the program acquired by the program determination unit 16 via the second transmission / reception unit 12 and stores the program in the program area 13 (a) of the storage unit 13. Further, the program definition name and the electric device identification information are added to the program list (local) for the acquired program.

  The electrical devices (air conditioner 110, refrigerator 120, and washing machine 130, respectively) are configured at least by a storage unit 101 and a transmission / reception unit 102 that can be connected to the first network. The storage unit 101 includes an area 101 (a) that stores an identification code assigned by the information terminal device 10 and an area 101 (b) that stores electrical device identification information.

  Here, the electrical device identification information includes a device code, a manufacturer code, and a product code. (In this embodiment, the device code (air conditioner), manufacturer code (company A), and product code (Air_abc) are to be connected).

  The server 300 includes a storage unit 301 and a transmission / reception unit 302 that can be connected to the second network. The storage unit 301 stores programs that run on the information terminal device 10 and stores a list of stored programs (program list (server)).

  The program list (server) will be described with reference to FIG. As shown in FIG. 4, in addition to the program list (local) information shown in FIG. 3, information on the priority (rank) of the program is stored in a table. As a method for expressing the priority, for example, the present embodiment assumes that the priority is expressed by a natural number, and the program that controls the same electrical device is expressed as a program having a small size as a program having a high priority. Yes.

  FIG. 5 is a flowchart showing the operation of the information terminal device 10 having the above configuration, and the operation of the information terminal device 10 in the present embodiment will be described.

  First, when an electric device (any one of 110 to 130) is connected to the information terminal device 10, the device registration unit 14 assigns an identification code to the electric device (110 to 130) (S501). When the transmission / reception unit 102 receives the assigned identification code, the electrical devices (110 to 130) store the identification code in the identification code storage area 101 (a) of the storage unit 101. When the storage is completed, the information terminal device 10 is notified of the completion of the identification code storage.

  When the information terminal device 10 receives the notification via the first transmission / reception unit 11 (S502), the electric device identification information acquisition unit 15 transmits the electric device identification information to the electric devices (110 to 130). When the request is received, the electrical device (110 to 130) transmits the electrical device identification information from the electrical device identification information storage area 101 (b) of the storage unit 101 to the information terminal device 10 upon receiving the request. To do.

  When the electric device identification information acquisition unit 15 receives the electric device identification information from the electric devices (110 to 130) (S504), the electric device identification information is stored (S505), and the program determination unit 16 stores the storage unit. 13 program list (local) is read from the program list storage area 13 (b) (S506), and whether or not the program for controlling the electrical device identification information stored in S505 is stored in the program storage area 13 (a). Search is performed (S507). If a desired program exists in S507, the electric device is controlled by the program (S509).

  However, if there is no desired program in S507, the program determination unit 16 transmits the storage location (URL) where the program list (server) is stored in order to acquire the program list (server). A request is made to the server (S510). When the server 300 receives the request, the server 300 transmits the location (URL) where the program list (server) in the storage unit 301 is stored to the information terminal device 10.

  Upon receiving information on the location (URL) where the program list (server) is stored (S511), the program determination unit 16 requests the server to transmit the location (URL) where the program is stored (S512). ). Upon receiving the request, the server 300 transmits a location (URL) where the program in the storage unit 301 is stored to the information terminal device 10. Then, the program determination unit 16 receives the location (URL) where the program is stored (S513).

  Here, the program determination unit 16 acquires the various URLs in two steps, but may perform them once (that is, acquire the URL of the program list and the URL of the program entity at a time). In that case, a part of the data transmitted from the server 300 is shown in FIG.

  FIG. 6 shows a part of the format of communication data transmitted from the server 300 when the URL is acquired at one time. As shown in FIG. 6, the format includes a data size area (4 bytes), a program definition name area (8 bytes), and a URL area (variable length). Further, the communication data is transmitted to the information terminal device 10 in a form in which the number (N) of programs stored in the server and the program list are regarded as one program and N + 1 consecutive. However, the program definition name of the program list (server) is “LIST”. (The LIST is 4 bytes, but the program definition name in the program list (server) portion of the format shown in FIG. 6 has the remaining 4 bytes set to Null pattern to 8 bytes).

  The program determination unit 16 extracts the program definition name part and the URL part from the data sent in this format and uses them when necessary. For example, when a program list (server) is required, the program definition name for the program list (server) is “LIST”, so the URL corresponding to that part is extracted, and the program list (server) is based on the URL. ) Is requested to the server 300 to transmit.

  Returning to the flowchart of FIG. 5, the program determination unit 16 requests the server 300 to transmit a program list (server) based on the acquired URL (S514), and the server 300 is designated by the information terminal device 10. The program list (server) at the URL is transmitted. When the program determination unit 16 receives the program list (server) from the server 300 (S515), the program determination unit 16 reads the program list (server) (S516), and searches for a program for controlling the electric device having the electric device identification information stored in S505. (S517).

  The search result of S516 is discriminated as in the present embodiment (S518), and if a plurality of programs are in the program list (server) (S519), the search described in the program list (server) of those programs The priorities (ranks) of the resulting program definition names (here, Prog_A and Prog_B) are compared (S520), and the program to be acquired is determined (S521) (In this embodiment, Prog_A has a higher priority) The acquired program is Prog_A).

  When the above-described search is performed and a desired program is found, the program acquisition unit 17 extracts the one corresponding to the stored program definition name from the URL acquired in S513 (Prog_A The URL is extracted (S522), and the server 300 is requested to transmit the program based on the URL (S523). The server 300 transmits the program at the URL specified by the information terminal device 10.

  When the program acquisition unit 17 receives a program from the server 300 (S524), the acquired program is stored in the program storage area 13a of the storage unit 13 (S525), and the program definition name of the acquired program is stored in the program list (local). Add the electrical equipment of the electrical equipment controlled by the program. And the electric device (110-130) is controlled by the program (S526).

  As described above, in the present embodiment, before the program acquisition unit 17 acquires a program for controlling the electric device 100 from the server 300, the program determination unit 16 acquires the program list and controls the electric device. If there are a plurality of programs, the program acquired by the program acquisition unit 17 can be identified as one program by determining that the program has a higher priority. Since the program necessary for the opportunity to connect to the computer 10 is acquired, no extra operation is required for the user. Further, even when a manufacturer that manufactures an electrical device wants to change a program acquired, it is possible to change the program list by simply operating information on the priority of the program list stored in the server.

  Further, the electrical device identification information and the priority can be said to be important information (operation information) for determining one program to be acquired and operating on the information terminal device 10.

(Embodiment 2)
FIG. 7 is a diagram showing a program list (server) acquired from the server 300 in the present embodiment. Unlike the first embodiment, a program (program definition name) in which each program operates in cooperation with each other is described instead of the priority. The functional block diagram of the information terminal device 10 is the same as the functional block diagram of the first embodiment.

  In the present embodiment, the following case is assumed. The electrical equipment connected to the information terminal device 10 in this embodiment is a microwave oven, and the electrical equipment identification information is a program list when the equipment code is a microwave oven, the manufacturer code is A company, and the product code is Ovn_def. When (server) is searched, there are two programs for this microwave oven (Prog_E: with a recipe proposal function and Prog_F: no recipe proposal function).

  In this case, the information terminal device 10 of the present embodiment performs the following operation. A flowchart showing the operation is shown in FIG.

  FIG. 8 is a part of a flowchart showing the operation of the information terminal device 10 of the present embodiment, but S520 in the flowchart of the information terminal device 10 of the first embodiment is changed to the flow of this figure.

  The flowchart of the information terminal device 10 according to the present embodiment is changed so as to perform a search for a program (S520a) in cooperation with S520 in the operation flowchart (FIG. 5) according to the first embodiment. In the present embodiment, Prog_3, which is a linked program, exists in the program list (local), so the program determination unit 16 determines the earning program as Prog_E. Then, the program acquisition unit 17 acquires Prog_E from the server 300.

  As described above, in the present embodiment, by searching for the presence or absence of a cooperating program before acquiring the program, for example, a cooking recipe using food stored in the refrigerator 120 with a microwave oven is proposed to the user When trying to do so, the information terminal device 10 tries to acquire the program having the inventory management function installed, so that it is possible to prevent acquisition of a program having an unnecessary function (a program having a large data size). (Prog_3 is a program that performs the inventory management function of the refrigerator 120).

(Embodiment 3)
In this embodiment, the information terminal device 10 is obtained by adding a notification unit 18 and an input unit 19 to the information terminal device 10 of the first embodiment as shown in FIG. The alerting | reporting part 18 alert | reports predetermined information to the information terminal device 10, and alert | reports information to a user. The liquid crystal display 10 (a) in FIG. 1 corresponds to the notification unit 18.

  The input unit 19 converts an operation of a user of the electric devices 110 to 130 into an electric signal. In this embodiment, as shown in FIG. 1, the button 10 (b), the touch panel 10 (c) Is assumed.

  FIG. 10 is a part of a flowchart showing the operation of the information terminal device 10 in the present embodiment, but S520 in the flowchart of the information terminal device 10 in the first embodiment is changed to the flow of this figure.

  In the flowchart of the information terminal device 10 of the present embodiment, S520 in the operation flowchart (FIG. 5) of the first embodiment performs the process in which the notification unit 18 notifies the existence of a plurality of programs and the selection of a program to be introduced by the user. It changes so that the process to receive may be implemented. At this time, the program definition name is displayed from the program list on the screen of the notification unit 18 (S520b). The program name may be listed on the program list (server) so that the name of the program is displayed on the notification unit 18 and selected by the user.

  Since the user selects the program and inputs to the input unit 19, the program to be acquired is determined by the input content of the input unit 19, the program acquisition unit 17 acquires the determined program, and the storage unit 13 program storage areas 13 (a).

  As described above, in the present embodiment, when there are a plurality of programs by displaying the electrical equipment program to be connected to the notification unit 18 of the information terminal device 10 before the program acquisition, The user can introduce desired program information to the terminal device 10.

(Embodiment 4)
In the present embodiment, the information terminal device 10 is obtained by adding a storage capacity calculating unit 20 to the information terminal device 10 of the first embodiment as shown in FIG. The storage capacity calculation unit 20 is a processing unit that calculates a storable remaining capacity of the storage unit 13.

  Further, the program list (server) acquired from the server 300 also describes the data size of each program in addition to the priority as shown in FIG.

  FIG. 13 is a part of a flowchart showing the operation of the information terminal device 10 in the present embodiment, but S516 and S517 in the flowchart of the information terminal device 10 of the first embodiment are changed to the flow of this figure.

  First, the storage capacity calculation unit 20 calculates the remaining storage capacity of the storage unit 13 (S516a). The program determination unit 16 reads the program list (server) (S516b). Further, the program determination unit 16 searches for a program that controls the electrical device identification information acquired by the electrical device identification information acquisition unit 15 and has a program size smaller than the storable remaining capacity (S517a).

  As described above, in the present embodiment, the program size to be acquired is determined by comparing the program size described in the program list (server) with the remaining storage capacity of the storage unit 13 before the program acquisition. Thus, it is possible to prevent the operation of the information terminal device 10 from being stopped due to the storage capacity exceeding the storage unit 13. Even when only one program is acquired, the remaining storage capacity is compared with the program size.

  Note that the units described in this embodiment cooperate hardware resources such as a CPU (or microcomputer), RAM, ROM, storage / recording device, electrical / information device including I / O, a computer, a server, and the like. You may implement with the form of a program. In the form of a program, new functions can be distributed / updated and installed easily by recording them on a recording medium such as magnetic media or optical media or distributing them using a communication line such as the Internet.

  As described above, the information terminal device and the program thereof according to the present invention acquire the program for controlling the electrical equipment that operates on the information terminal device via the server. Furthermore, the information terminal device acquires a program list including priorities for acquisition before acquiring the program, and when there are a plurality of control programs for one electric device, The control program to be acquired is determined. Therefore, the present invention can also be applied to the determination of the electric device program when the electric device program is rewritten using the information terminal device.

The system block diagram which shows the whole system in Embodiment 1 of this invention The block diagram which shows the structure of the whole system in Embodiment 1 of this invention. Configuration diagram of program list (local) in Embodiment 1 of the present invention Configuration diagram of program list (server) in Embodiment 1 of the present invention The flowchart of the information terminal device in Embodiment 1 of this invention Configuration diagram of communication data between information terminal device and server in Embodiment 1 of the present invention Configuration diagram of program list (server) in Embodiment 2 of the present invention The figure which shows a part of flowchart of the information terminal device in Embodiment 2 of this invention. The block diagram which shows the structure of the whole system in Embodiment 3 of this invention. The figure which shows a part of flowchart of the information terminal device in Embodiment 3 of this invention. The block diagram which shows the structure of the whole system in Embodiment 4 of this invention. Configuration diagram of program list (server) in Embodiment 4 of the present invention The figure which shows a part of flowchart of the information terminal device in Embodiment 4 of this invention. System configuration diagram showing the entire network system to which a conventional information terminal device belongs

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Information terminal device 10 (a) Liquid crystal display 10 (b) Button 10 (c) Touch panel 11 1st transmission / reception part 12 2nd transmission / reception part 13 Storage part 14 Equipment registration part 15 Electric equipment identification information acquisition part 16 Program determination part DESCRIPTION OF SYMBOLS 17 Program acquisition part 18 Notification part 19 Input part 20 Storage capacity calculation part 100 Electric equipment 101 Storage part 102 Transmission / reception part 110 Air conditioner 120 Refrigerator 130 Washing machine 150 1st network 151 Wireless unit 152 Wireless unit 250 2nd network 300 Server 301 Storage unit 302 Transmission / reception unit

Claims (7)

In the information terminal device connected to the server, the information terminal device includes a program acquisition unit that acquires a program held by the server, a program determination unit that determines the program acquired by the program acquisition unit, and the program acquisition A storage unit for storing the program acquired by the unit,
The program determination unit acquires a program list that describes operation information necessary for the program to operate from the server and a program definition name that identifies the program itself as another, and determines a program to be acquired. Information terminal device. The operation information is composed of electric device identification information and priority of electric devices controlled by the program, and the information terminal device is connected to an electric device holding electric device identification information for identifying the other, An electric device identification information acquisition unit for acquiring electric device identification information from the electric device;
The program determining unit searches the program list and determines that the program having the higher priority is acquired when there are a plurality of programs for the electric device identification information acquired by the electric device identification information acquiring unit. The information terminal device according to claim 1. The operation information is composed of program definition names of other programs that operate in cooperation with each other and electrical device identification information, and the program determination unit searches whether the program that operates in cooperation exists in the storage unit. The information terminal device according to claim 2, wherein a program to be acquired is determined. The information terminal device includes a notification unit, and when the program determination unit searches for a program list and a plurality of programs exist for the electrical device identification information acquired by the electrical device identification information acquisition unit, the notification unit The information terminal device according to claim 2 which displays a message. The operation information includes electrical device identification information, priority, and program data size, and the information terminal device includes a storage capacity calculation unit that calculates the remaining storage capacity of the storage unit, and the program determination unit searches the program list. When there are a plurality of programs for the electrical device identification information acquired by the electrical device identification information acquisition unit, the program data size is compared with the remaining storage capacity calculated by the storage capacity calculation unit, and the data 3. The information terminal device according to claim 2, wherein the information terminal device is determined to be a program that obtains the one having the highest priority when the size is smaller than the remaining storage capacity. The information terminal device includes a device registration unit that assigns an identification code to an electrical device so that the information terminal device can communicate with the electrical device. When the device registration unit assigns the identification code, the electrical device identification information acquisition unit identifies the electrical device. The information terminal device according to any one of claims 2 to 5, wherein information is acquired, the program determining unit determines a program to be acquired, and the program acquiring unit acquires the program. The program which makes a computer perform at least one part of the information terminal device of any one of Claims 1-6.

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