TWI495383B - Device capable of notifying operation state change thereof through network and communication method of the device - Google Patents

Description

Device capable of notifying operation state change via network and communication method of the device

Korean Patent Application No. 10-2009-0077873, filed on August 21, 2009, in the Korean Intellectual Property Office, and Korean Patent Application No. 10-2009-0104662, filed on August 30, 2009 The disclosure of these patent applications is incorporated herein by reference.

The invention relates to sharing information between a plurality of devices via a network.

Most of the electronic devices communicate via the Internet and are equipped with a display screen to display various information. However, the user cannot carry all of the electronic devices owned. As a result, these users often cannot take immediate action on electronic devices that have experienced operational state changes.

The present invention has at least noted some of the above problems and/or disadvantages and at least provides some of the advantages described below. Accordingly, aspects of the present invention provide a technique for sharing information related to state changes between devices capable of network communication.

In accordance with an aspect of the present invention, a method of notifying a change in operational state of a device is provided. The network is formed between multiple devices that can be used by the user and can communicate over the network. When the operating state of the first device in the network changes, at least one device currently used by the user in the network is searched. Information related to changes in the operational state of the first device is transmitted to The at least one device, wherein information related to a change in an operational state of the first device is displayed on a display unit of the at least one device.

According to another aspect of the present invention, a method of notifying an operation state change of another device is provided. The network is formed between the first device and at least another device that can be used by the user and can communicate over the network. At least one device currently in use by the user receives information relating to a change in operational state of the first device by the first device, the first device having searched for the at least one device currently in use by the user in the network. Information relating to changes in the operational status of the first device is displayed on the display unit of the at least one device currently being used by the user.

According to another aspect of the present invention, an apparatus for notifying a change in an operational state of a device includes: a network communication unit and an operation state change information transmission unit. The network communication unit communicates between multiple devices that can be used by the user and that can communicate over the network. When the operating state of the first device in the network changes, the operating state change information transmitting unit searches for at least one device in the network that is currently used by the user, and generates and transmits a change in the operating state of the first device. Information to the at least one device. Information relating to changes in the operational status of the first device can be displayed on the display unit of the at least one device.

According to another aspect of the present invention, an apparatus for notifying an operation state change of another device includes: a network communication unit, another device operation state change information receiving unit, a display unit, and another device operation state change notification control unit. The network communication unit performs network communication between a plurality of devices including the first device, the first device can be enabled by a user Use and communicate with the network. The another device operating state change information receiving unit receives, by the first device, information related to the operating state change of the first device, the information is caused by at least one device currently used by the user, and the first device has searched The at least one device currently used by the user in the network. The other device operation state change notification control unit performs a control operation to display information related to the operation state change of the first device on the display unit.

Further, according to another aspect of the present invention, there is provided a computer readable recording medium having a program recorded thereon for performing the above-described method of notifying an operation state change of a device.

According to another aspect of the present invention, there is provided a computer readable recording medium having a program recorded thereon for performing the above-described method of notifying an operation state change of another device.

The above and other objects, features and advantages of the present invention will become more <RTIgt;

The above and other aspects, features and advantages of the present invention will become more apparent from the following detailed description.

Embodiments of the invention will be described in detail with reference to the drawings. The same or similar components may be provided with the same or similar reference numerals, even if they are shown in different figures. The detailed description of the structures or processes that are known in the prior art will be omitted to avoid the gist of the present invention.

1 is a diagram showing changes in the operational state of a notification device according to an embodiment of the present invention; A block diagram of the device 100.

The device 100 that can notify the device of the change in the operational state includes a network communication unit 110 and an operation state change information transmission unit 120.

The network communication unit 110 can be used by a user and can communicate with a plurality of devices capable of network communication. The device capable of network communication can be used by a single user and can be included in an established network for allowing multiple devices to communicate with each other. An example of such a network may be a Wireless Fidelity (Wi-Fi) network. However, the operating environment is not limited to a network environment consistent with this wireless Wi-Fi standard.

If an operation state change occurs in the current device 100 included in the network of the plurality of devices, the operation state change information transmission unit 120 searches for the current use by the user among other devices included in the network. At least one device. The operational status change information transfer unit 120 generates information relating to the change in operational status of the current device 100 and transmits the generated information to at least one discovered device currently in use by the user.

The transmitted information relating to the change in the operational status of the current device 100 attempts to allow the user to process the change in the operational status of the current device 100, notifying the user via the display unit of another device currently being used by the user: "Is the operating state of the device 100 changed now?" In order to indicate information related to the change in the operational state of the current device 100, a plurality of target devices included in the network of the plurality of devices may include a display unit.

The information related to the change of the operating state of the current device 100 can be directly output by the operating state change information transmitting unit 120 or via the network. The signal unit 110 is output by the operation state change information transmitting unit 120.

The current device 100, which can notify the current operating state of the device, can be any form of electronic device that can communicate over the network and can be used by a user. Examples of changes in the operational state of the apparatus 100 may include states of changes in various functions of the plurality of electronic devices. For example, the ring tone output of the mobile phone, the completion of the washing operation of the washing machine, the arrival of the broadcast start time of a reserved program in the set-top box, and the electronics in the audio device. The completion of the download of the sound source, the lapse of the operation time of the preset cooking function of the microwave oven, and the like, may be a change in the operational state of the device 100, and the device 100 may notify one of the operational state changes of the device.

After a predetermined time has elapsed, if the user does not react to the change in the operational state of the device 100 during the predetermined time, the device 100 that can notify the device of the operational state change can be via the network of the plurality of devices. Road to search for another device currently being used by the user. For example, when the device 100 is a cellular phone, if the user does not respond during the 20 second ringing of the phone, the device 100 can continue to search for the current use via the network of the plurality of devices. Another device used by the person.

If the device of the plurality of devices fails to find a device currently used by the user (which is the device to which the information about the current state of operation of the device 100 is to be transmitted), the operation state change information transmission unit 120 may search for a device currently being used by the user in a sharing network accessible by the current device 100. The operation state change information transmitting unit 120 can scan other devices in the device list database of the current device 100 to search for devices currently used by the user.

The operational status change information transmitting unit 120 can transmit a search signal indicating that the device currently being used by the user is searched to at least one of the devices included in the plurality of devices. The current device 100 can also access a plurality of target devices to analyze whether the user currently uses the target devices to directly discover devices currently used by the user, so that the transmission of the search signal can be replaced.

By means of information indicating whether the information is currently used or not used by the user (the information is generated and disseminated by the target device), the device 100 that can notify the device of the operational state change can select a target device. The target device is the device to which the information about the current state of operation of the device 100 is to be transmitted.

In the case of the device 100 which can notify the operation state change of a device, the user can selectively set the use of the notification function of the operation state change to on or off.

The information related to the change in the operational status may include: notification information indicating the occurrence of a change in the operational status of the device 100; and detailed information indicating the details of the operational status change.

The operational state change information transfer unit 120 can convert the details of the operational state change of the device 100 into a format that can be displayed by the target device before transmission.

The detailed information can be converted to a format that can be reproduced by the target device via a management server of the network prior to transmission.

For example, the change in the operational status of the device 100 may include the receipt of information based on text (eg, Short Message Service (SMS) information). The information of the device 100 can be converted to text-format data that can be reproduced by the target device and then displayed on the target device. If the device 100 receives a text-based information (for example, information of a Multimedia Message Service (MMS)) combined with video data or audio data, the operation state change occurs, The information can be converted into image-format data, audio format data, and text-formatted data, and then displayed on the target device.

2 is a block diagram of an apparatus 200 that can notify another device of an operational state change in an embodiment of the present invention.

The device 200 that can notify the operation state change of another device includes: a network communication unit 205, another device operation state change information receiving unit 210, another device operation state change notification control unit 220, and a display unit 230. The device 200, which can notify the other device of the operational status change, can be included in the network of the plurality of devices along with the device 100 (which has been described above with reference to FIG. 1) that can notify the device of an operational state change.

The network communication unit 205 can be used by a user and communicates with a plurality of devices capable of network communication.

The another device operation state change information receiving unit 210 searches for at least one device currently used by the user in the network of the plurality of devices, and receives the first device included in the network of the plurality of devices The information about the operational status of a device changes. The first device may be the device 100 of Figure 1 as described above.

Information related to the change in the operational state of the first device may be input to the other device operational state change information receiving unit 210 directly or via the network communication unit 205.

The device 200, which can notify the other device of the operational status change, can receive a search signal from the first device indicating that the device currently being used by the user is being searched. The device 200 can identify whether the user is currently using the device 200 based on the search signal and provide a signal to the first device indicating that the user is currently using or not using the device 200.

The device 200 can receive an access permit request from the first device that requires direct access to the device 200 to analyze whether the user is currently using the device 200.

The device 200 can periodically generate and disseminate a signal indicating whether the user is currently using or not using it. By obtaining a signal indicating that the user is currently using or not using the signal generated and disseminated by the device 200, the first device used to search for the device currently being used by the user can find that the user is currently being used by the user. The device used.

In order to determine whether the user currently uses a predetermined device, it is determined whether the command or information from the user has been entered in a predetermined time in the past, whether the user has recorded (logs) in the device, Or whether the user is within the sensing range of the sensor of the device.

The device 200 that can notify the operating state change of another device can forward the information received by the first device indicating the change in the operating state to another device included in the network of the plurality of devices.

The other device operation state change notification control unit 220 performs a control operation to display notification information indicating the occurrence of the operation state change of the first device on the display unit 230. Information relating to changes in the operational status of the first device can be displayed using a notification display window. This notification displays the display form of the window, for example, position, size, transparency, blinking frequency, color, etc. can be set.

The information related to the change of the operating state may include: notification information indicating: occurrence of a change in the operational state of the first device; and detailed information indicating the details of the change in the operational state.

The other device operation state change notification control unit 220 may convert the details of the operation state change of the first device into a format displayable by the device 200.

The detailed information can be converted to a format reproducible by the device 200 via the management server of the network, and then received by the other device operating state change information receiving unit 210.

After the detailed information is converted by the first device into data in a format reproducible by the device 200, the other device operation state change information receiving unit 210 can receive the transmitted detailed information.

The other device operation state change notification control unit 220 can perform a control operation for causing a reception confirmation window for notification information to be displayed on the display unit 230, wherein the notification information indicates occurrence of a change in the operation state of the first device. Upon receipt of a receipt confirmation by the user, the details of the operational status change of the first device may be displayed on the display unit 23 based on the detailed information represented in the reproducible format.

Therefore, if the operational state change of the first device refers to the reception of the SMS information, the SMS information of the first device can be converted into the document-format data that can be reproduced by the device 200, and then displayed on the display unit 230. If the first device receives a text-based information (for example, multimedia information service (MMS) information) combined with video data or audio data, the operation state changes, and the information can be converted into a The image-format data, the audio format data, and the text-format data reproduced by the device 200 are then displayed on the display unit 230. After the notification information or the reception or display of the detailed information related to the change of the operational state of the first device has been completed, the device 200 may notify the first device: "The user has confirmed the operational status change."

According to an embodiment of the present invention, using the device 100 that can notify the operating state change of a device and the device 200 that can notify the operating state of another device, the device 100 that is currently undergoing an operating state change will automatically search. The device 200 currently in use by the user allows the user to effectively react to the device 100 whose operating state has changed. Moreover, in order to search for devices currently in use by the user, a plurality of devices included in the accessible network are scanned sequentially, thereby intelligently discovering a target device, indicating the occurrence of an operational state change. The notification information will be transmitted to the target device.

Referring to Figures 1 and 2, the apparatus 100 for notifying the operational status change of a device and the apparatus 200 for notifying the operational status of another apparatus have been separately described. However, by grouping all of the components of the device 100 and the device 200 into a single device, information related to changes in the operational state of the current device can be transmitted to other devices included in the network of the plurality of devices. And information related to the change of the operating state of another device can be received and displayed on a notification display window.

3A is a schematic illustration of a network 300 of a plurality of devices in an embodiment of the present invention.

The cellular telephone 302, the compact audio device 304, the digital television 306, and the digital camcorder 308 are all included in the network 300 of the plurality of devices. The cellular telephone 302, the compact audio device 304, the digital television 306, and the digital video camera 308 are all network communication and are registered to each other as devices included in the same network 300.

For example, the cellular telephone 302 can be an example of the device 100 that can notify a device of an operational state change, and includes other devices in the network 300, namely, a small audio device 304, a digital television 306, and a digital The video recorder 308 can be an example of the device 200 (shown in Figure 2) that can notify the other device of the operational status change.

If the user does not respond to the ringing of the cellular telephone 302, the cellular telephone 302 searches for a target device that is the device to which the information related to the current operational state change in the network 300 is transmitted. . The cellular telephone 302 can search for devices currently being used by the user between the other devices of the network 300, namely, the audio device 304, the digital television 306, and the digital video camera 308. In particular, the cellular telephone 302 can transmit a message for notifying the change in operational status (which indicates the ringing of the cellular telephone 302) to the discovered device currently being used by the user.

3B is a diagram showing the form of a network of a plurality of devices and an accessible network in an embodiment of the present invention.

The cellular telephone 302 searches for devices currently being used by the user between the plurality of devices in the network 300, the plurality of devices being used to share user information with the device 100. However, if the device currently being used by the user is not found in the network 300, the cellular phone 302 can then search for a sharing network 310, the shared network including the washing machine 314, the refrigerator 316, And a cellular phone 302.

The cellular telephone 302 can search for devices currently being used by the user via another cellular telephone 324 and a notebook computer 326 (which is included in an adjacent infra network 320). If the cellular phone 302 includes a device list database 340 (which includes a list of devices capable of network communication), then the user cannot search for the current accessible network in the adjacent accessible network. When the user uses the device, the cellular phone 302 can search for the device currently being used by the user in the list of devices.

4A, 4B, 4C, 4D, 4E, and 4F are diagrams for exchanging between a device that undergoes an operational state change and a device that can notify another device of an operational state change in an embodiment of the present invention. Schematic diagram of the method of information. In the embodiment of FIGS. 4A-4F, the cellular telephone 405 is an example of the device 100 that can notify a device of an operational state change, and the digital television 410 is a device that can notify another device of an operational state change. An example of 200.

4A is a schematic diagram of a first method for exchanging information between a device undergoing an operational state change and a device operable to notify another device of an operational state change in an embodiment of the present invention.

Referring to FIG. 4A, the user uses the digital television 410 in operation A-0 by the remote controller 400. Although the user's cellular telephone 405 (located in another room) is ringing, the user fails to sense the ringing of the cellular telephone 405.

In operation A-1, regardless of whether there is ringing of the cellular phone 405, if the user does not respond for a predetermined time, the cellular phone 405 transmits a search signal to the digital television 410, the search signal. It is pointed out that a device currently being used by the user in the network of multiple devices is being searched.

In operation A-2, the cellular phone 405 checks if the user currently uses the cellular phone. The digital television 410 can receive an access permission request from the cellular telephone 405 or can provide information related to current usage required by the cellular telephone 405.

In order to determine whether the user currently uses the digital television 410, the cellular telephone 405 can analyze a history relating to "whether there is a signal or instruction entered by the user at a predetermined time." The cellular telephone 405 can determine the current user based on information related to whether the user is recording in the digital television 410 or whether the user is being sensed by various sensors mounted on the digital television 410. Whether to use digital TV 410.

In operation A-3, if the cellular phone 405 determines that the user is currently using the digital television 410, transmitting a message indicating the ringing of the cellular telephone 405 to the digital television 410, in particular, transmitting a notification message. The notification information indicates the occurrence of an operational status change.

In operation A-4, the digital television 410 receives a notification of the change in the operational status (which indicates the ringing of the cellular telephone 405) by the cellular telephone 405 and displays information indicating the ringing of the cellular telephone 405 of the user. A portion of the display screen 407 of the digital television 410 is located on a portion 420 of the screen 407.

4B is a schematic diagram of a second method for exchanging information between a device undergoing an operational state change and a device operable to notify another device of an operational state change in an embodiment of the present invention.

Referring to FIG. 4B, the user uses the digital television 410 in operation B-0 by the remote controller 400. Although the user's cellular telephone 405 (located in another room) is ringing, the user fails to sense the ringing of the cellular telephone 405.

In operation B-1, regardless of whether there is ringing of the cellular phone 405, if the user does not respond for a predetermined time, the cellular phone 405 transmits a search signal to the digital television 410, the search signal. It is pointed out that a device currently being used by the user in the network of multiple devices is being searched.

In operation B-2, the digital television 410 then receives the search signal of the cellular telephone 405 and identifies the current state of use of the user. In order to determine whether the user currently uses the digital television 410, the digital television 410 can analyze: "whether there is a signal or instruction input by the user at a predetermined time", "whether the user is performing in the digital television 410" Recording, or "whether the user is sensed by various sensors mounted on the digital television 410."

In operation B-3, the digital television 410 determines that the user is currently using the digital television 410 and transmits a usage status signal indicating that the user is currently using the digital television 410 to the cellular telephone 405.

In operation B-4, the cellular telephone 405 transmits a message indicating the ringing of the cellular telephone 405 to the digital television 410, and in particular transmits a notification message indicating the occurrence of an operational status change.

In operation B-5, the digital television 410 receives a notification of the change in the operational status (which indicates the ringing of the cellular telephone 405) by the cellular telephone 405 and displays information indicating the ringing of the cellular telephone 405 of the user. The display portion of the digital television 410 is on a portion 420 of the screen.

4C is a schematic diagram of a third method for exchanging information between a device undergoing an operational state change and a device operable to notify another device of an operational state change in an embodiment of the present invention.

Referring to FIG. 4C, the user uses the digital television 410 in operation C-0 by the remote controller 400. Although the user's cellular telephone 405 (located in another room) is ringing, the user fails to sense the ringing of the cellular telephone 405.

In operation C-1, the user often checks the current usage status of the user. In operation C-2, if the user is currently using the digital television 410, the digital television 410 broadcasts a usage status signal related to the current state of use of the user.

In operation C-3, regardless of whether there is ringing of the cellular phone 405, if the user does not respond for a predetermined time, the cellular phone 405 searches for a network of a plurality of devices currently used by the user. s installation.

In operation C-4, the cellular phone 405 recognizes that the user is currently using the digital television 410 by obtaining the usage status signal associated with the current state of use transmitted by the digital television 410.

In operation C-5, the cellular telephone 405 transmits a message indicating the ringing of the cellular telephone 405 to the digital television 410, and in particular transmits a notification message indicating the occurrence of an operational status change.

In operation C-6, the digital television 410 receives a notification of the change in the operational status (which indicates the ringing of the cellular telephone 405) by the cellular telephone 405 and displays information indicating the ringing of the cellular telephone 405 of the user. The display portion of the digital television 410 is on a portion 420 of the screen.

4D, 4E, and 4F are examples of a cellular telephone 405 that undergoes an operational state change when the information is received by the user's cellular telephone 405 and a digital television 410 that can notify the other device of the operational state change. Schematic diagram.

4D is a schematic diagram of an example of a device that undergoes an operational state change and a device that can notify another device of an operational state change in an embodiment of the present invention.

Referring to FIG. 4D, the user is using the digital television 410 by the remote controller 400. Although the SMS message has been received in the user's cellular telephone 405 (which is located in another room), the user has not sensed that the SMS message has been received in the cellular telephone 405.

In order to exchange information related to an operational state change between a plurality of devices, the cellular phone 405 and the digital television 410 can be exchanged by the first method, the second method, and the third method as described above. Received letter Interest-related information.

The digital television 410 receives a notification message indicating that the cellular information is received in the cellular telephone 405 and displays the received indication in the user's cellular telephone 405 on a portion 420 of the display screen 407. Information about the SMS information.

4E and 4F are schematic diagrams of an example of using a device that undergoes an operational state change and a device that can notify another device of an operational state change in an embodiment of the present invention.

The digital television 410 can receive: detailed information indicating the details of the SMS information and notification information indicating the receipt of the SMS information in the cellular telephone 405. The digital television 410 displays the information reception notification display window 430 on the screen based on the notification information, and can receive a user input related to whether or not the received SMS information is seen.

If the user recognizes the notification information via the digital television 410, the digital television 410 can display the SMS information display window 435 of the cellular telephone 405 on the screen based on the detailed information of the received SMS information.

If the detailed information of the received SMS information is not in a format that can be reproduced by the digital television 410 and displayed on the screen, the digital television 410 can convert the detailed information into data expressed in a reproducible format, and An SMS information display window 435 is displayed on the screen.

Alternatively, the management server of the network between the plurality of devices of the user can convert the detailed information of the SMS information into a format that can be reproduced by the digital television 410, and transmit the converted information to the digital television. 410. The digital television 410 then receives the format converted information and displays the SMS information display window 435 on the screen.

Alternatively, the user's cellular telephone 405 can convert the detailed information of the SMS information into a format that can be reproduced by the digital television 410, and transmit the converted information to the digital television 410, which then receives the format. The converted information is displayed on the screen with the SMS information display window 435.

For example, if the cellular telephone 405 receives a message based on the text (eg, SMS information), the received information can be converted into a text-format that can be reproduced by the digital television 410 and then displayed on the digital television 410. on. If the cellular phone 405 undergoes an operational state change due to receiving information based on the image data or audio data (eg, MMS information), the information can be converted into image data, audio data, and text. The data of the data, which can be reproduced by the digital television 410 and then displayed on the digital television 410.

After the reception or display of the notification information or the detailed information of the information received in the cellular telephone 405 is completed, the digital television 410 can notify the cellular telephone 405 "the user has recognized the information".

The apparatus 100 for notifying an operation state change of a device, and the apparatus 200 for notifying an operation state change of another device, which have been described with reference to FIGS. 1, 2, 3A, 3B, 4A to 4F, It can operate under the control of a central server (eg, a home server) that manages and controls the network between multiple devices.

Figure 5 is a flow diagram of a method of notifying a device of an operational state change in an embodiment of the present invention.

In operation 510, the network route can be formed by a plurality of devices used by the user, the plurality of devices being capable of network communication. A device of the user can be logged in the network of the plurality of devices.

In operation 520, if the operational state of the first device changes in the network, at least one device currently being used by the user can be found in the network. The first device searches for previously used devices in the previously formed network.

In order to search for a device currently in use, the first device may request information from the device indicating the current state of use of the user, analyze the operational history of the device, or obtain a current indication from the device that the user is present. Information on the status of use.

In operation 530, information indicating the current usage status of the user is transmitted to at least one device currently being discovered by the user. Since the information indicating the change of the operating state of the first device is displayed on the display unit of the discovered device, the user can obtain the change of the operating state of the first device by the display unit of the second device currently being used by the user. News.

The information related to the change in the operational state of the first device may include: notification information indicating the occurrence of the change in the operational status; and detailed information indicating the details of the change in the operational status. The detailed information of the first device can be converted into data in a format that can be reproduced by the second device by the server of the first device or the network, and then transmitted to the second device.

6 is a flow chart of a method of notifying an operation state change of another device in an embodiment of the present invention.

In operation 610, a network is formed between a plurality of devices including the first device and at least one device usable by the user, and network communication is performed.

In operation 620, at least one device currently in use by the user in the network receives, by the first device, information relating to a change in operational status of the first device (which is searching for the at least one device). The at least one device can receive a search signal from the first device, the search signal indicating that at least one device currently being used by the user is being searched.

The device that has received the search signal can check if the user is currently using the device. The device currently being used by the user can disseminate information indicating whether the user is currently using the device, or the first device can access another device to analyze whether the user is currently using the device.

In operation 630, information relating to a change in the operational state of the first device is displayed on a display unit of at least one device currently being used by the user. Information relating to changes in the operational status of the first device can be displayed using a notification display window. This notification displays the display form of the window, for example, position, size, transparency, blinking frequency, color, etc. can be set.

After the device currently used by the user displays the notification display window on the display screen, the user can input a confirmation. After the user has confirmed, details detailing the details of the operational status change of the first device can be displayed on the display screen of the device currently being used by the user.

If the detailed information of the first device is a format that cannot be reproduced by the device currently being used by the user, the detailed information can be converted into data in a format that can be reproduced by the device currently being used by the user, and then displayed in The display of the device is on the screen. Alternatively, the details of the first device (which has been converted by the server of the first device or network into a format that can be reproduced by the device currently being used by the user) can be received by the device currently in use. Alternatively, after converting the data into a format that can be reproduced by the display screen of the currently used device, the detailed information of the first device can be transmitted, and the currently used device can receive the detailed information converted by the format and regenerate the detailed information. It indicates on the display screen the details of the operational state change of the first device.

Embodiments of the present invention can be implemented by a program installed on a computer and a buried device, and can be installed on a general purpose digital computer, and the digital computer uses a recording medium to execute the program. Examples of the recording medium include magnetic storage media (for example, ROM, floppy disk, hard disk, etc.) and optical material storage devices (for example, CD-ROMs and DVDs).

Although the present invention has been described in its preferred embodiments, the present invention should be construed as illustrative only and not as a limitation of the invention. The scope of the present invention is defined by the scope of the invention, and the scope of the invention is defined by the scope of the appended claims.

100. . . A device that can notify a device of an operational state change

110. . . Network communication unit

120. . . Operation status change information transfer unit

200. . . A device that can notify another device of an operational state change

205. . . Network communication unit

210. . . Another device operation state change information receiving unit

220. . . Another device operation state change notification control unit

230. . . Display unit

300. . . Network of multiple devices

302. . . Honeycomb phone

304. . . Small audio equipment

306. . . Digital TV

308. . . Digital video camera

310. . . Shared network

314. . . washing machine

316. . . refrigerator

320. . . Infra network

324. . . Honeycomb phone

326. . . Notebook computer

340. . . Device list database

400. . . remote control

405. . . Honeycomb phone

410. . . Digital television 410

420. . . Display part of the screen

430. . . Information reception notification display window

435. . . SMS information display window

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a block diagram of an apparatus for notifying a device of an operational state change in accordance with an embodiment of the present invention.

2 is a block diagram of an apparatus that can notify another device of an operational state change in an embodiment of the present invention.

3A is a schematic diagram of a network of multiple devices in an embodiment of the present invention.

3B is a diagram showing the form of a network and an accessible network of a plurality of devices in an embodiment of the present invention.

4A is a schematic diagram of a first method for exchanging information between a device undergoing an operational state change and a device operable to notify another device of an operational state change in an embodiment of the present invention.

4B is a schematic diagram of a second method for exchanging information between a device undergoing an operational state change and a device operable to notify another device of an operational state change in an embodiment of the present invention.

4C is a schematic diagram of a third method for exchanging information between a device undergoing an operational state change and a device operable to notify another device of an operational state change in an embodiment of the present invention.

4D is a schematic diagram of an example of a device that undergoes an operational state change and an apparatus that can notify another device of an operational state change in an embodiment of the present invention.

4E and 4F are schematic diagrams of an example of using a device that undergoes an operational state change and a device that can notify another device of an operational state change in an embodiment of the present invention.

Figure 5 is a flow diagram of a method of notifying a device of an operational state change in an embodiment of the present invention.

6 is a flow chart of a method of notifying an operation state change of another device in an embodiment of the present invention.

200‧‧‧A device that can notify the operating state of another device

205‧‧‧Network communication unit

210‧‧‧Another device operating state change information receiving unit

220‧‧‧Another device operation status change notification control unit

230‧‧‧ display unit

Claims (15)

A method of receiving a notification regarding an operational status change of a first device, comprising: forming a network including the first device and the second device and capable of network communication; and the second device currently being used The first device receives information related to a change in an operational state of the first device; and displays the information related to a change in an operational state of the first device on a display unit of the second device currently in use on. The method of claim 1, further comprising: generating, by the second device currently in use in the network, a signal indicating that the second device is currently in use. The method of claim 2, wherein generating the signal comprises: transmitting, by the second device currently in use in the network, the signal indicating that the second device is currently being used to The first device. The method of claim 2, further comprising: when the second device currently used in the network has been identified, generated by the second device and transmitting the indication The signal that the second device is currently using. The method of claim 2, wherein the signal indicating that the second device is currently used is based on whether there is an input from a user to the second device in a predetermined time, Whether the user is recording in the second device and at least one of the sensing results of the sensor to the user. The method of claim 1, wherein the information related to the change in the operating state comprises: notification information indicating occurrence of the change in the operating state of the first device; and detailed information indicating Details of the operational state change of the first device. The method of claim 6, further comprising: confirming the notification information via the second device currently being used; and displaying the number on the second device based on the detailed information The details of the operational state change of a device. The method of claim 6, further comprising: converting the detailed information into a format displayable by the second device that is currently used; and based on the detailed information that the format has been converted Details of the change in the operational state of the first device are displayed on the second device. The method of claim 6, further comprising: displaying the details of the operation state change of the first device on the second device currently being used based on the detailed information, wherein The detailed information is received by the second device after being converted to a format reproducible by the second device via a management server of the network. The method of claim 6, further comprising: displaying the details of the operation state change of the first device on the second device currently being used based on the detailed information, wherein The detailed information is received by the second device after being converted by the first device into a format that can be reproduced by the discovered at least one device. A method of notifying a change in an operational state of a first device, comprising: forming a network including the first device and the second device and capable of network communication; and operating state of the first device in the network Transmitting, when the second device is currently in use, information relating to the change in the operational state of the first device to the second device, wherein the operational state change with the first device The relevant information is displayed on the display unit of the second device. The first device capable of notifying a change in an operating state of the first device, comprising: a network communication unit, forming a network including the first device and the second device and capable of network communication; and operating state change information transmission a unit, when the operating state of the first device in the network changes and the second device is currently being used, the operating state change information transmitting unit transmits a change related to the operating state of the first device Information to the second device, wherein the information related to the change in the operational state of the first device is displayed on a display unit of the second device. A second device capable of receiving a notification regarding an operational status change of the first device, comprising: a network communication unit forming a network including the first device and the second device and capable of network communication; and another device operation state Changing the information receiving unit, the second device currently being used receives information related to the change of the operating state of the first device from the first device; the display unit; and another device operation state change notification control unit, Control operations are performed to display the information on the display unit related to the change in the operational state of the first device. A computer readable recording medium having a program recorded thereon for performing a method of receiving a notification regarding an operation state change of a first device, the method comprising: forming a first device and a second device and forming a network a network of road communications; receiving, by the second device currently in use, information relating to a change in an operational state of the first device from the first device; and relating to an operational state change of the first device The information is displayed on the display unit of the second device that is currently being used. A computer readable recording medium having a program recorded thereon for performing a method of notifying a change in an operational state of a first device, the method comprising: forming a network including the first device and a second device through a network that transmits information related to the change in the operational state of the first device to when the operational state of the first device in the network changes and the second device is currently being used The second device, wherein the information related to the change in the operational state of the first device is displayed on a display unit of the second device.