JP2012199712A - Electronic equipment, and video recording control program - Google Patents

Abstract

PROBLEM TO BE SOLVED: To perform appropriate video recording control depending on user's demands and a wireless communication environment.SOLUTION: A portable telephone 100 has a 3G wireless controller 202 and an LTE wireless controller 203 performing wireless communication by a 3G wireless communication system and an LTE wireless communication system respectively. The portable telephone 100 has a television telephone controller 210 executing television telephone communication using a wireless communication path established by any one of the 3G wireless communication system and the LTE wireless communication system. The portable telephone 100 has an input controller 218 accepting a video recording request requesting for recording contents of the television telephone communication. The portable telephone 100 has a 3G/LTE switching controller 204 switching over from one of the 3G wireless communication system and the LTE wireless communication system to the other wireless communication system when receiving the video recording request. The portable telephone 100 has a video recording part recording to a storage medium the contents of the television telephone communication by the wireless communication path after switching when the wireless communication path by the switched wireless communication system was established.

Description

  The present invention relates to an electronic device and a recording control program.

  Conventionally, an electronic device such as a mobile phone not only makes a voice call, but also makes a voice call while receiving a moving image of a scene or a face of a communication partner captured in real time by a camera mounted on the communication partner's electronic device. A videophone function for performing is known.

  By using such a videophone function, for example, a moving image of a travel destination landscape can be received from a traveling friend, and the received moving image can be recorded on a storage medium of an electronic device. However, the conventional videophone function has a relatively low resolution for moving images sent by a videophone, and is not suitable for later playback or editing of a moving image stored in a storage medium.

  On the other hand, in recent years, the LTE (Long Term Evolution) communication standard is spreading as a next generation communication standard. The LTE communication standard is a next-generation communication environment using a mobile phone with a high-speed packet communication function and a base station apparatus, and for example, high-speed communication of 100 Mbps downlink / 50 Mbps uplink is possible. By using a videophone function based on the LTE communication standard, it becomes possible to packet-connect a mobile phone and receive a high-quality moving image in real time.

JP 2001-5950 A

  However, the prior art simply records a moving image received in real time on a storage medium. For this reason, the prior art does not consider performing recording control in consideration of user needs and wireless communication environment.

  The disclosed technology has been made in view of the above, and an object thereof is to realize an electronic device and a recording control program capable of performing appropriate recording control according to user needs and a wireless communication environment. .

  In one aspect, an electronic device disclosed in the present application includes a function capable of wireless communication by a wireless communication method of a first wireless communication method and a second wireless communication method. The electronic device further includes a videophone control unit that performs videophone communication on a wireless communication path established by either the first wireless communication method or the second wireless communication method. In addition, the electronic device includes a recording request receiving unit that receives a recording request for requesting recording of the content of the videophone communication. Further, when the electronic device receives the recording request, the first wireless communication method or the second wireless communication method related to the established wireless communication path is switched to the other wireless communication method. A switching unit is provided. In addition, the electronic device includes a recording unit that records the content of the videophone communication in the wireless communication path after the switching in a storage medium when the wireless communication path by the switched wireless communication method is established.

  According to one aspect of the electronic device disclosed in the present application, it is possible to perform appropriate recording control according to the user's needs and the wireless communication environment.

FIG. 1 is a diagram illustrating a hardware configuration of the mobile phone according to the first embodiment. FIG. 2 is a diagram illustrating functional blocks of the mobile phone according to the first embodiment. FIG. 3 is a diagram illustrating an outline of processing of the mobile phone according to the first embodiment. FIG. 4 is a flowchart illustrating processing of the mobile phone according to the first embodiment. FIG. 5 is a diagram illustrating functional blocks of the mobile phone according to the second embodiment. FIG. 6 is a flowchart illustrating processing of the mobile phone according to the second embodiment. FIG. 7 is a flowchart illustrating processing of the mobile phone according to the third embodiment. FIG. 8 is a flowchart illustrating processing of the mobile phone according to the third embodiment.

  Embodiments of an electronic apparatus and a recording control program disclosed in the present application will be described below in detail with reference to the drawings. The disclosed technology is not limited by this embodiment. For example, in the following embodiments, a mobile phone will be described as an example of an electronic device. However, the present invention is not limited thereto, and any electronic device having a wireless communication function may be used.

  FIG. 1 is a diagram illustrating a hardware configuration of the mobile phone according to the first embodiment. As illustrated in FIG. 1, the mobile phone 100 according to the first embodiment includes an antenna 102, a 3G (Third Generation) wireless communication unit 104, an LTE wireless communication unit 105, a display unit 106, a microphone 108, a speaker 110, and a voice input / output unit. 112. The cellular phone 100 includes a memory 130, an SD (Secure Digital) card insertion slot 135, a key control unit 138, and a processor 140. An SD card 136 is inserted into the SD card insertion slot 135.

  The 3G wireless communication unit 104 performs wireless communication of various data such as voice and characters via the antenna 102 in accordance with the third generation communication standard (3G). The LTE wireless communication unit 105 performs wireless communication of various data such as voice and characters via the antenna 102 in conformity with the LTE communication standard. Note that the wireless communication using the LTE communication standard wireless communication method has a theoretical data transmission speed higher than the wireless communication using the third generation communication standard wireless communication method.

  The display unit 106 is an output interface such as a liquid crystal panel that displays various types of information such as characters and images. The key control unit 138 is an input interface that accepts an input operation using keys provided on the mobile phone 100. The voice input / output unit 112 is an input / output interface that inputs voice through the microphone 108 and outputs voice through the speaker 110.

  The memory 130 includes a ROM (Read Only Memory) 132 that stores data for executing various functions of the mobile phone 100 and a RAM (Random Access Memory) 134 that stores various programs for executing various functions. .

  The SD card insertion slot 135 is an insertion slot for an SD card 136 formed on the side surface of the mobile phone 100, for example. The SD card 136 is an information storage medium that can be inserted into and removed from the mobile phone 100 via the SD card insertion slot 135 and that can store various information such as characters, images, and sounds.

  The processor 140 is an arithmetic processing unit such as a CPU (Central Processing Unit) that executes various programs stored in the ROM 132 or the RAM 134. The processor 140 controls the 3G wireless communication unit 104, the LTE wireless communication unit 105, the display unit 106, and the voice input / output unit 112 described above by executing various programs stored in the ROM 132 or the RAM 134. The program executed by the processor 140 is not only stored in the ROM 132 or the RAM 134 but also recorded in a storage medium that can be distributed such as a CD (Compact Disc) -ROM or a memory medium, and read from the storage medium for execution. can do. In addition, the program is stored in a server connected via a network so that the program operates on the server, and a service is requested in response to a request from the mobile phone 100 connected via the network. It can also be provided to the mobile phone 100.

  FIG. 2 is a diagram illustrating functional blocks of the mobile phone according to the first embodiment. As shown in FIG. 2, the mobile phone 100 includes a 3G wireless control unit 202 and an LTE wireless control unit 203 as functional blocks realized by the processor 140 reading various programs from the ROM 132 or the RAM 134 and executing them. The mobile phone 100 includes a 3G / LTE switching control unit 204, a call control unit 206, an encoder / decoder control unit 208, and a videophone control unit 210 as functional blocks. The mobile phone 100 also includes an LTE image recording unit 214, a 3G image recording unit 216, an input control unit 218, a display control unit 220, and a data unit 222 as functional blocks.

  In FIG. 2, for convenience of explanation, the data unit 222 is represented as a memory that stores various data such as phone book data of the mobile phone 100 or image data taken by the user. Various data in the data unit 222 can be stored in the ROM 132, the RAM 134, or the SD card 136, for example.

  The 3G wireless control unit 202 controls the wireless communication of various data such as voice and characters according to the third generation communication standard (3G) by controlling the 3G wireless communication unit 104. The 3G wireless control unit 202 transmits / receives radio waves to / from one or more radio base stations among a plurality of radio base stations scattered in various places, and changes in the state of the communication network (for example, the strength of the radio wave state) Change). Further, for example, when switching from wireless communication based on the third generation communication standard to wireless communication based on the LTE communication standard, the 3G wireless communication unit 104 transmits a switching request to the 3G base station.

  The LTE wireless control unit 203 controls wireless communication of various data such as voice and characters according to the LTE communication standard by controlling the LTE wireless communication unit 105. The LTE radio control unit 203 transmits / receives radio waves to / from one or more radio base stations among a plurality of radio base stations scattered in various places, and changes in the state of the communication network (for example, the strength of radio wave conditions). Change). Further, for example, when switching from wireless communication based on the LTE communication standard to wireless communication based on the third generation communication standard, the LTE wireless control unit 203 transmits a switching request to the LTE base station.

  When the 3G / LTE switching control unit 204 receives a recording request via the key control unit 138 and the input control unit 218, the 3G / LTE switching control unit 204 uses a wireless communication method based on the third generation wireless communication standard (3G) and a wireless communication method based on the LTE communication standard. Switch from one wireless communication system to the other wireless communication system. For example, the 3G / LTE switching control unit 204 sends a high-resolution videophone transmission request to the communication partner mobile phone via the videophone control unit 210 and the call control unit 206, and the communication partner mobile phone transmits a high resolution. Receive a videophone call request. As a result, the 3G / LTE switching control unit 204 switches from the wireless communication system based on the third generation wireless communication standard to the wireless communication system based on the LTE communication standard. In addition, the 3G / LTE switching control unit 204, for example, sends a permission response from the other device of the videophone communication in response to the transmission of the switching request from the 3G wireless control unit 202 to the 3G base station. If received via the station, the switching process is executed. In addition, the 3G / LTE switching control unit 204, for example, sends a permission response from the partner device for videophone communication in response to the transmission of the switching request from the LTE radio control unit 203 to the LTE base station. If received via the station, the switching process is executed. In the following description, a videophone using a wireless communication system based on the third generation wireless communication standard is referred to as “3G videophone” as appropriate, and a videophone using a wireless communication system based on the LTE communication standard is referred to as “LTE videophone”. "

  The call control unit 206 controls a voice call with the electronic device of the communication partner via the 3G wireless control unit 202 and the LTE wireless control unit 203. The encoder / decoder control unit 208 changes the encoding / decoding method of the moving image to be transmitted / received for the third generation communication standard and the LTE communication standard according to the switching of the communication method by the 3G / LTE switching control unit 204. Switch between. The encoder / decoder control unit 208, when a wireless communication path based on the wireless communication method switched by the 3G / LTE switching control unit 204 is established, depends on the wireless communication method after switching, and is an encoding method in videophone communication. Switch.

  In accordance with the third generation communication standard and the LTE communication standard, the videophone control unit 210 transmits a moving image captured by the own electronic device in real time to the communication partner electronic device and is also captured by the communication partner electronic device. Control to receive the moving image in real time.

  The LTE image recording unit 214 stores the moving image transmitted from the electronic device of the communication partner in accordance with the LTE communication standard in a storage medium such as the ROM 132, the RAM 134, or the SD card 136 of the mobile phone 100. For example, when the 3G / LTE switching control unit 204 switches the communication system based on the third generation communication standard to the communication system based on the LTE communication standard, the LTE image recording unit 214 performs LTE videophone communication on the communication path after switching. Is recorded on a storage medium. The 3G image recording unit 216 stores the moving image transmitted from the electronic device of the communication counterpart in accordance with the third generation communication standard in a storage medium such as the ROM 132, the RAM 134, or the SD card 136 of the mobile phone 100. For example, when the 3G / LTE switching control unit 204 switches the communication system based on the LTE communication standard to the communication system based on the third generation communication standard, the 3G image recording unit 216 performs 3G videophone communication on the communication path after switching. Is recorded on a storage medium.

  The input control unit 218 receives an input command from the key of the mobile phone 100 and an input command from the display on the display unit 106. The input control unit 218 receives a recording request for requesting recording of the contents of the videophone communication from the user during, for example, a 3G videophone or an LTE videophone. The display control unit 220 executes control related to the display image displayed on the display unit 106.

  Next, an outline of processing of the mobile phone according to the first embodiment will be described. FIG. 3 is a diagram illustrating an outline of processing of the mobile phone according to the first embodiment. FIG. 3 shows that the mobile phone A records the moving image transmitted from the mobile phone B when the mobile phone A and the mobile phone B communicate via the 3G base station and the LTE base station. This is an example assuming that

  As shown in FIG. 3, first, the mobile phone A makes a 3G videophone call to the mobile phone B via a 3G base station (step S101). On the other hand, the mobile phone B receives the 3G videophone called from the mobile phone A (step S102). The mobile phone B permits the connection of the 3G videophone to the mobile phone A via the 3G base station (step S103). Thereby, the mobile phone A and the mobile phone B start a 3G videophone with each other via the 3G base station (step S104).

  The mobile phone A detects a press of the recording button of the mobile phone A, and receives a recording request for requesting recording of the contents of the videophone communication from the user during the 3G videophone (step S105). When the mobile phone A accepts the recording request, the mobile phone A determines whether or not the mobile phone A is in the LTE network and the battery of the mobile phone A is equal to or greater than a preset threshold (step S106). . If the mobile phone A is not in the LTE network or if the battery of the mobile phone A is less than a preset threshold value (No in step S106), the mobile phone A returns to step S105. On the other hand, when the mobile phone A is in the LTE network and the battery of the mobile phone A is equal to or greater than a preset threshold value (Yes in step S106), the mobile phone A has a base for 3G. An LTE videophone connection request is transmitted through the station (step S107).

  On the other hand, the cellular phone B receives an LTE videophone connection request from the cellular phone A via the 3G base station (step S108). The mobile phone B determines whether the mobile phone B is in the LTE network and the battery of the mobile phone B is equal to or greater than a preset threshold value (step S109). If the mobile phone B is not in the LTE network or if the battery of the mobile phone B is less than a preset threshold value (No in step S109), the mobile phone B returns to step S108. On the other hand, when the mobile phone B is located in the LTE network and the battery of the mobile phone B is equal to or greater than a preset threshold value (Yes in step S109), the mobile phone B has a base for 3G. An LTE videophone connection permission response is sent through the station (step S110).

  The mobile phone B makes a 3G detach request to the 3G base station (step S111). Similarly, the cellular phone A makes a 3G detach request to the 3G base station (step S112).

  The mobile phone B makes a request for LTE attachment to the LTE base station (step S113). Similarly, the cellular phone A makes a request for LTE attachment to the LTE base station (step S114).

  The mobile phone B receives a signal indicating that the LTE attachment has been normally performed from the LTE base station (step S115). Similarly, the cellular phone A receives a signal indicating that the LTE attachment has been normally performed from the LTE base station (step S116).

  The mobile phone A makes a bearer connection request to the mobile phone B via the LTE base station (step S117). In response to this, the mobile phone B makes a bearer connection response to the mobile phone A via the LTE base station (step S118). Thereby, the mobile phone A and the mobile phone B start an LTE videophone with each other via the LTE base station (step S119).

  Subsequently, processing of the mobile phone according to the first embodiment will be described in detail. FIG. 4 is a flowchart illustrating processing of the mobile phone according to the first embodiment. The flowchart of FIG. 4 is a diagram more specifically showing the processing of the mobile phone described in FIG. FIG. 4 shows that the mobile phone A records the moving image transmitted from the mobile phone B when the mobile phone A and the mobile phone B communicate via the 3G base station and the LTE base station. It is an example that is supposed to do. In FIG. 4, in order to distinguish between the functional block of the mobile phone A and the functional block of the mobile phone B, the video phone control unit of the mobile phone B is called “video phone control unit 210 ′”. The call control unit is referred to as “call control unit 206 ′”.

  First, after the 3G videophone call is started between the mobile phone A and the mobile phone B, the videophone control unit 210 performs a recording requesting the user to record the content of the videophone communication via the input control unit 218. The request is accepted (step S201). The videophone control unit 210 makes an LTE videophone transmission request to the call control unit 206 (step S202). The call control unit 206 makes an LTE videophone transmission request to the mobile phone B (step S203).

  On the other hand, when receiving the LTE videophone transmission request from the mobile phone A (Step S204), the videophone control unit 210 ′ makes an LTE videophone transmission request to the call control unit 206 ′ (Step S205). The call control unit 206 ′ starts transmission of the LTE videophone (step S206). As described above, the mobile phone A is switched from the 3G radio control unit 202 to the LTE radio control unit 203 by the 3G / LTE switching control unit 204, and is mutually connected to the mobile phone B via the LTE base station. To start LTE videophone.

  The videophone control unit 210 makes a recording start request to the LTE image recording unit 214 (step S207). When receiving the recording start request, the LTE image recording unit 214 starts recording (step S208). For example, the LTE image recording unit 214 stores, in the data unit 222, a moving image obtained by decoding the reception signal received via the LTE wireless control unit 203 by the encoder / decoder control unit 208.

  During the recording of the LTE image, the videophone control unit 210 receives an end request for ending the recording of the videophone communication content from the user via the input control unit 218 (step S209). Then, the videophone control unit 210 requests the LTE image recording unit 214 to end recording (step S210). When receiving the request to end recording, the LTE image recording unit 214 ends the recording (step S211).

  The videophone control unit 210 makes an end request for LTE videophone communication to the call control unit 206 (step S212). The call control unit 206 transmits an LTE videophone communication end request to the mobile phone B (step S213).

  On the other hand, when the videophone control unit 210 ′ receives an LTE videophone communication termination request from the mobile phone A (step S214), the videophone control unit 210 ′ makes an LTE videophone termination request to the call control unit 206 ′ (step S215). . The call control unit 206 ′ ends the LTE videophone communication (step S216). Thereby, the LTE videophone call between the mobile phone A and the mobile phone B ends.

  The videophone control unit 210 determines whether or not to return to the 3G videophone (step S217). For example, the videophone control unit 210 displays on the display unit 106 whether or not to return to the 3G videophone, and causes the user to select one. Then, when the signal input via the input control unit 218 indicates that the videophone control unit 210 returns to the 3G videophone (Yes in step S217), the videophone control unit 210 returns to step S201 to perform step S201 and subsequent steps. Repeat the process. On the other hand, when the signal input via the input control unit 218 indicates that the videophone control unit 210 does not return to the 3G videophone (No in step S217), the videophone control unit 210 ends the 3G videophone.

  As described above, according to the mobile phone of the first embodiment, when a recording request is accepted during a 3G videophone call, the 3G videophone is switched to the LTE videophone to record the LTE moving image. Thereby, the mobile phone according to the first embodiment can record a high-quality moving image according to the user's needs on the storage medium. In addition, although Example 1 showed the example which switches from a 3G videophone to a LTE videophone, and records a LTE moving image, when a recording request is received during a 3G videophone call, it is limited to this. Absent. For example, when the mobile phone 100 receives a recording request during a call using an LTE videophone, the mobile phone 100 can switch from the LTE videophone to a 3G videophone to record a 3G moving image. According to this, the communication load can be reduced according to the wireless communication environment, and the recording capacity of the storage medium of the mobile phone can be saved. Further, for example, when a recording request is received during a telephone call using an LTE videophone, the mobile phone 100 can be configured not to switch to a 3G videophone.

  In the first embodiment, since the user of the mobile phone A sends a 3G videophone and requests the recording of a moving image, it is also the user of the mobile phone A, so the communication fee for the 3G videophone and the LTE videophone is Generally, the user of the mobile phone A bears this. In contrast, for example, consider a case where the user of the mobile phone A makes a 3G videophone call and the user of the mobile phone B makes a video recording request by the LTE videophone. In this case, it is possible to adopt a fee structure in which the user of the mobile phone A bears the communication fee for the 3G videophone and the user of the mobile phone B bears the communication fee for the LTE videophone. In addition, since the LTE videophone performs high-resolution image communication, it is conceivable that the amount of communication packets increases and the communication fee becomes high. In view of this, it is possible to provide an unlimited fee system for packet communication with a fixed charge, and to set a communication charge while recording a moving image by LTE videophone.

  In addition, although Example 1 demonstrated mainly focusing on the electronic device, it is not restricted to this, The function similar to the above-mentioned Example 1 is implement | achieved by running the recording control program prepared beforehand by computer. be able to. That is, the recording control program stores the first wireless communication method or the second wireless communication in an electronic device having a function capable of wireless communication by the wireless communication method of the first wireless communication method and the second wireless communication method. A procedure for executing a videophone communication on a wireless communication path established by one of the methods is executed. The recording control program causes the electronic device to execute a procedure for receiving a recording request for requesting recording of the contents of the videophone communication. In addition, the recording control program performs a procedure for switching from the first wireless communication method or the second wireless communication method related to the established wireless communication path to the other wireless communication method when the electronic device receives a recording request. Let it run. Further, the recording control program causes the electronic device to execute a procedure for recording the content of the videophone communication in the wireless communication path after the switching in the storage medium when the wireless communication path by the switched wireless communication method is established. . The recording control program can be distributed to computers via a communication network such as the Internet. The recording control program can also be executed by being recorded on a memory, a hard disk, or other computer-readable storage medium provided in the computer and being read from the storage medium by the computer.

  Next, a mobile phone according to a second embodiment will be described. The mobile phone according to the second embodiment is the same as the first embodiment except that a recording start determination unit 224 is added to the mobile phone according to the first embodiment and an image for recording start determination is stored in the data unit 222. Therefore, the description overlapping with that of the first embodiment is omitted.

  FIG. 5 is a diagram illustrating functional blocks of the mobile phone according to the second embodiment. As illustrated in FIG. 5, the mobile phone 200 according to the second embodiment includes a recording start determination unit 224 in addition to the blocks of the mobile phone 100 according to the first embodiment. In addition, the data unit 222 stores in advance a registered image used for recording start determination in the recording start determination unit 224.

  The recording start determination unit 224 is based on the moving image obtained by decoding the received signal received by the 3G videophone or the LTE videophone by the encoder / decoder control unit 208 and the registered image stored in the data unit 222. To determine whether to start recording. For example, the recording start determination unit 224 compares the moving image received in real time with the registered image stored in the data unit 222, and starts recording when an image close to the registered image is detected in the moving image. . In other words, the recording start determination unit 224 monitors whether the content of the videophone communication meets a preset condition, and accepts a request for recording when it is detected that the preset condition is met. A recording request is issued to the videophone control unit 210.

  A method for searching for and displaying a specific registered image from a certain moving image is described in, for example, Japanese Patent Application Laid-Open No. 2004-145564. The recording start determination unit 224 detects whether or not a registered image is included in a moving image received in real time by using, for example, a technique described in Japanese Patent Application Laid-Open No. 2004-145564. Whether to start recording can be determined.

  Subsequently, processing of the mobile phone according to the second embodiment will be described. FIG. 6 is a flowchart illustrating processing of the mobile phone according to the second embodiment. Note that FIG. 6 illustrates an example in which a user of the mobile phone B registers a registration image as a key in the mobile phone B in advance, and recording is performed in the mobile phone B. For example, it is assumed that the user of the mobile phone B has registered in advance as a registered image an image of the face of the user of the mobile phone A or an image of a landscape captured by the user of the mobile phone A.

  First, the mobile phone A sends (calls) a 3G videophone to the mobile phone B via a 3G base station (step S301). On the other hand, the cellular phone B receives the 3G videophone called from the cellular phone A (step S302). The mobile phone B permits the connection of the 3G videophone to the mobile phone A via the 3G base station (step S303). Thereby, the mobile phone A and the mobile phone B start a 3G videophone with each other via the 3G base station (step S304).

  The mobile phone B determines whether or not the difference between the moving image transmitted from the mobile phone A and the registered image stored in advance in the data unit 222 is equal to or less than a preset threshold value (step S305). If the difference between the moving image and the registered image is larger than the preset threshold value (No in step S305), the cellular phone B returns to step S305 and continues the process. On the other hand, when the difference between the moving image and the registered image is equal to or smaller than a preset threshold value (Yes in step S305), the mobile phone B transmits an LTE videophone to the mobile phone A via the 3G base station. A request is made (step S306). That is, when an image similar to the registered image is detected in the moving image transmitted from the cellular phone A, the cellular phone B requests the LTE videophone to transmit to the cellular phone A via the 3G base station. I do. In FIG. 6, for convenience of explanation, detailed processing from when it is determined that the difference between the moving image and the registered image is equal to or less than a preset threshold value (Yes in step S305) until the LTE videophone call is started. Is omitted. Detailed processing from when the difference between the moving image and the registered image is determined to be equal to or less than a preset threshold value (Yes in step S305) until the LTE videophone call is started is shown in steps S106 to S118 in FIG. It is the same.

  Thereby, the mobile phone A and the mobile phone B start an LTE videophone with each other via the LTE base station (step S307). Then, the cellular phone A starts transmitting an LTE videophone via the LTE base station (step S308). The mobile phone B records the LTE videophone transmitted from the mobile phone A (step S309).

  The mobile phone B determines whether or not the difference between the moving image transmitted from the mobile phone A and the registered image stored in advance in the data unit 222 is greater than a preset threshold value (step S310). When the difference between the moving image and the registered image is equal to or less than a preset threshold value (No in step S310), the cellular phone B returns to step S310 and continues the process. That is, the recording process in the mobile phone B is continued. On the other hand, when the difference between the moving image and the registered image is larger than the preset threshold value (Yes in step S310), the cellular phone B ends the LTE videophone call (step S311).

  The mobile phone B determines whether or not to return to the 3G videophone (step S312). For example, the mobile phone B displays on the display unit 106 whether or not to return to the 3G videophone, and causes the user to select one. When the signal input via the input control unit 218 indicates that the mobile phone B returns to the 3G videophone (Yes in step S312), the mobile phone B returns to step S305 and performs the processing from step S305 onward. repeat. On the other hand, when the signal input via the input control unit 218 indicates that the mobile phone A and the mobile phone B do not return to the 3G videophone (No in step S312), the 3G videophone is terminated. (Step S313).

  As described above, the mobile phone of the second embodiment switches from the 3G video phone to the LTE video phone when receiving a recording request during a 3G video phone call in the same manner as the mobile phone of the first embodiment. To record. Thereby, the mobile phone according to the second embodiment can record a high-quality moving image according to the user's needs on the storage medium. In addition, although Example 2 showed the example which switches from 3G video telephone to LTE video telephone, and records a LTE moving image, when a recording request is received during the call by 3G video telephone, it is limited to this. Absent. For example, when receiving a recording request during a telephone call using an LTE videophone, the mobile phone 200 can switch from an LTE videophone to a 3G videophone to record a 3G moving image. According to this, the communication load can be reduced according to the wireless communication environment, and the recording capacity of the storage medium of the mobile phone can be saved. In addition to this, the mobile phone 100 according to the second embodiment automatically registers a target image that the user wants to record, so that, for example, the user does not perform an operation such as pressing the recording button of the mobile phone, and automatically Images can be recorded.

  Next, a mobile phone according to a third embodiment is described. The mobile phone according to the third embodiment is the same as the first embodiment except that the processing content of the 3G / LTE switching control unit 204 is different from that of the mobile phone according to the first embodiment. .

  The 3G / LTE switching control unit 204 is based on, for example, the wireless communication method when a recording request is received from a user and the free capacity of a storage medium such as the ROM 132, the RAM 134, or the SD card 136 when the recording request is received. It is determined whether to switch the wireless communication method. For example, if the storage medium for storing the image to be recorded is the RAM 134, the 3G / LTE switching control unit 204 checks the wireless communication method and the free space in the RAM 134 when a recording request is received from the user.

  The 3G / LTE switching control unit 204 starts from the 3G wireless method when the wireless communication method upon receiving a recording request from the user is the 3G communication method and the free space of the RAM 134 is equal to or larger than a preset threshold. It determines with switching to a LTE radio system. That is, the 3G / LTE switching control unit 204 has enough free space in the RAM 134, and even if a moving image is recorded by a high-quality LTE videophone, the free space in the RAM 134 is not depleted immediately. To switch from LTE to LTE wireless.

  On the other hand, when the 3G / LTE switching control unit 204 receives the recording request from the user and uses the 3G communication method and the available capacity of the RAM 134 is smaller than a preset threshold, the 3G / LTE switching control unit 204 It determines with not switching from a system to a LTE radio system. In other words, the 3G / LTE switching control unit 204 does not have enough free space in the RAM 134, and when recording a video with a high-quality LTE videophone, the free space in the RAM 134 is quickly depleted. It determines with not switching to a radio system. In this case, for example, the mobile phone displays on the display unit 106 whether or not to record on the 3G videophone and displays whether or not to record on the 3G videophone by letting the user select one of them. It can also be determined whether or not.

  Subsequently, processing of the mobile phone according to the third embodiment will be described. 7 and 8 are flowcharts illustrating processing of the mobile phone according to the third embodiment. FIG. 7 is a flowchart when the 3G / LTE switching control unit 204 determines to switch from the 3G communication system to the LTE communication system. FIG. 8 is a flowchart when the 3G / LTE switching control unit 204 determines not to switch from the 3G communication system to the LTE communication system.

  As shown in FIG. 7, first, the mobile phone A transmits (calls) a 3G videophone to the mobile phone B via a 3G base station (step S401). On the other hand, the cellular phone B receives the 3G videophone called from the cellular phone A (step S402). The cellular phone B permits the connection of the 3G videophone to the cellular phone A via the 3G base station (step S403). Thereby, the mobile phone A and the mobile phone B start a 3G videophone each other via the 3G base station (step S404).

  The mobile phone A detects a press of the recording button of the mobile phone A, and accepts a recording request for requesting recording of the contents of the videophone communication from the user during the 3G videophone (step S405). When the mobile phone A accepts the recording request, the mobile phone A determines whether or not the mobile phone A is in the LTE network and the battery of the mobile phone A is equal to or higher than a preset threshold (step S406). . If the mobile phone A is not in the LTE network or if the battery of the mobile phone A is less than a preset threshold value (No in step S406), the mobile phone A returns to step S405.

  On the other hand, when the mobile phone A is in the LTE network and the battery of the mobile phone A is equal to or greater than a preset threshold value (Yes in step S406), the mobile phone A is an image to be recorded. It is determined whether or not the remaining amount of memory (storage medium) for storing is greater than or equal to a preset threshold value (step S407). If the remaining amount of memory is less than the preset threshold value (No in step S407), the mobile phone A returns to step S405. When the remaining amount of memory is equal to or greater than a preset threshold value (Yes in step S407), the cellular phone A transmits an LTE videophone connection request to the cellular phone B via the 3G base station (step S408). ).

  On the other hand, the cellular phone B receives an LTE videophone connection request from the cellular phone A via the 3G base station (step S409). The mobile phone B determines whether the mobile phone B is in the LTE network and the battery of the mobile phone B is equal to or greater than a preset threshold value (step S410). If the mobile phone B is not in the LTE network or if the battery of the mobile phone B is less than a preset threshold value (No in step S410), the mobile phone B returns to step S409. On the other hand, when the mobile phone B is located in the LTE network and the battery of the mobile phone B is equal to or greater than a preset threshold value (Yes in step S410), the mobile phone B has a base for 3G. An LTE videophone connection permission response is made via the station (step S411).

  The cellular phone B makes a 3G detach request to the 3G base station (step S412). Similarly, the cellular phone A makes a 3G detach request to the 3G base station (step S413).

  The cellular phone B makes a request for LTE attachment to the LTE base station (step S414). Similarly, the cellular phone A makes a request for LTE attachment to the LTE base station (step S415).

  The cellular phone B receives a signal indicating that the LTE attachment has been normally performed from the LTE base station (step S416). Similarly, the cellular phone A receives a signal indicating that the LTE attachment has been normally performed from the LTE base station (step S417).

  The cellular phone A makes a bearer connection request to the cellular phone B via the LTE base station (step S418). In response to this, the mobile phone B makes a bearer connection response to the mobile phone A via the LTE base station (step S419). Thereby, the mobile phone A and the mobile phone B start an LTE videophone with each other via the LTE base station (step S420). The processing after the cellular phone A and the cellular phone B start the LTE videophone with each other via the LTE base station is the same as that in FIG.

  On the other hand, as shown in FIG. 8, first, the mobile phone A sends (calls) a 3G videophone to the mobile phone B via a 3G base station (step S501). On the other hand, the mobile phone B receives the 3G videophone called from the mobile phone A (step S502). The cellular phone B permits the connection of the 3G videophone to the cellular phone A via the 3G base station (step S503). Accordingly, the mobile phone A and the mobile phone B start a 3G videophone with each other via the 3G base station (step S504).

  The cellular phone A detects a press of the recording button of the cellular phone A, and receives a recording request for requesting recording of the contents of the videophone communication from the user during the 3G videophone (step S505). When the mobile phone A accepts the recording request, the mobile phone A determines whether the mobile phone A is in the LTE network and the battery of the mobile phone A is equal to or higher than a preset threshold (step S506). . If the mobile phone A is not in the LTE network or if the battery of the mobile phone A is less than a preset threshold value (No in step S506), the mobile phone A returns to step S505.

  On the other hand, when the mobile phone A is in the LTE network and the battery of the mobile phone A is equal to or greater than a preset threshold value (Yes in step S506), the mobile phone A has a remaining storage medium. It is determined whether or not the amount is smaller than a preset threshold value (step S507). For example, the mobile phone A determines whether or not the remaining amount of memory for storing the image to be recorded is smaller than a preset threshold value. When the remaining amount of memory is equal to or greater than a preset threshold (No in step S507), the cellular phone A performs an LTE videophone recording process (step S508). The LTE videophone recording process is a process of switching from the 3G communication method to the LTE communication method in steps S408 to S420 in FIG. 7, and storing the received moving image by the LTE videophone in the storage medium in the same manner as the process described in FIG. is there.

  When the remaining amount of memory is smaller than a preset threshold (Yes in step S507), the mobile phone A determines whether to perform recording with a 3G videophone (step S509). For example, the mobile phone A displays on the display unit 106 that there is little memory remaining, indicating that switching to LTE is not performed, and whether or not to record with a 3G videophone should be selected, and the user selects either Let When the signal input via the input control unit 218 indicates that the 3G videophone does not perform recording (No in step S509), the mobile phone A returns to step S505 and returns to step S505. The subsequent processing is repeated. On the other hand, when the signal input via the input control unit 218 indicates that recording is to be performed with the 3G videophone (Yes in step S509), the mobile phone A passes through the 3G base station. A 3G videophone recording request is transmitted to the mobile phone B (step S510).

  The mobile phone B receives a 3G videophone recording request from the mobile phone A via the 3G base station (step S511). The mobile phone B determines whether or not the battery of the mobile phone B is greater than or equal to a preset threshold value (step S512). When the battery of the mobile phone B is less than the preset threshold value (No in step S512), the mobile phone B returns to step S511.

  On the other hand, if the battery of the mobile phone B is equal to or greater than a preset threshold (Yes in step S512), the mobile phone B sends a 3G videophone recording permission response via the 3G base station. A is performed (step S513). When the mobile phone A receives the 3G videophone recording permission response from the mobile phone B, the mobile phone A starts recording the 3G videophone (step S514).

  As described above, the mobile phone according to the third embodiment, as shown in FIG. 7, when a recording request is received during a 3G videophone call, as with the mobile phone according to the first embodiment, the LTE videophone from the 3G videophone. To record the LTE moving image. Thereby, the mobile phone according to the third embodiment can record a high-quality moving image according to the user's needs on the storage medium. In the third embodiment, as shown in FIG. 7, when a recording request is accepted during a 3G videophone call, an LTE moving image is recorded by switching from the 3G videophone to the LTE videophone. However, it is not limited to this. For example, when a recording request is received during a telephone call using an LTE videophone, the mobile phone can switch from an LTE videophone to a 3G videophone and record a 3G moving image. According to this, the communication load can be reduced according to the wireless communication environment, and the recording capacity of the storage medium of the mobile phone can be saved.

  In addition, the mobile phone of the third embodiment has a 3G communication method when the recording request is received from the user, and the free space of the storage medium is equal to or greater than a preset threshold. It is determined to switch from the 3G wireless system to the LTE wireless system. According to this, since the mobile phone has enough free space in the storage medium, it can be determined that the free space in the storage medium will not be exhausted immediately even when recording a video with a high-quality LTE videophone. It is possible to record high-quality moving images that meet user needs. On the other hand, in the mobile phone of the third embodiment, when the wireless communication method upon receiving a recording request from the user is the 3G communication method and the free capacity of the storage medium is less than a preset threshold, the 3G wireless It determines with not switching from a system to a LTE radio system. According to this, since the mobile phone does not have enough free space on the storage medium, it can be determined that the free space on the storage medium will be depleted soon after recording a video with a high-quality LTE videophone. Then, it can be avoided that the recording is finished in a relatively short time. For example, the mobile phone can display on the display unit 106 that the memory remaining amount is low, so that the LTE communication system is not switched, and that the user should select whether or not to record a 3G videophone video. According to this, for example, even if the picture quality is inferior to that of the LTE wireless video, it is possible to utilize a relatively small free space of the storage medium in accordance with the user's intention to record the 3G communication video.

100, 200 Mobile phone 104 3G wireless communication unit 105 LTE wireless communication unit 106 Display unit 130 Memory 138 Key control unit 140 Processor 202 3G wireless control unit 203 LTE wireless control unit 204 3G / LTE switching control unit 206 Call control unit 208 Encoder / Decoder control unit 210 Videophone control unit 214 LTE image recording unit 216 3G image recording unit 218 Input control unit 224 Recording start determination unit

Claims (7)

An electronic device having a function capable of wireless communication by the wireless communication method of the first wireless communication method and the second wireless communication method,
A videophone control unit that performs videophone communication on a wireless communication path established by either the first wireless communication method or the second wireless communication method;
A recording request receiving unit that receives a recording request for requesting recording of the content of the videophone communication;
A wireless communication method switching unit for switching from the first wireless communication method or the second wireless communication method to the other wireless communication method related to the established wireless communication path when receiving the recording request;
When a wireless communication channel by the switched wireless communication method is established, a recording unit that records the content of the videophone communication on the wireless communication channel after the switching in a storage medium;
An electronic device comprising: When a wireless communication path is established by the switched wireless communication method, an encoding method switching unit that switches an encoding method in the videophone communication according to the wireless communication method after the switching,
The electronic apparatus according to claim 1, further comprising: The wireless communication according to the second wireless communication method is a theoretical data transmission speed higher than the wireless communication according to the first wireless communication method,
The wireless communication system switching unit switches the wireless communication system when the recording request is received when videophone communication is being performed on the wireless communication path established by the second wireless communication system. Do not run,
The electronic device according to claim 1, wherein the electronic device is an electronic device. A switching request transmission unit that, when receiving the recording request, transmits a switching request to the other wireless communication method to a wireless base station that constitutes the wireless communication path established by the communication method before the switching;
Further comprising
The wireless communication system switching unit executes the switching process upon receiving an authorization response from the counterpart device of the videophone communication in response to transmitting the switching request via the wireless base station,
The electronic device according to claim 1, wherein: A monitoring unit that monitors whether the content of the videophone communication meets a preset condition;
A registration request issuing unit that issues a registration request to the recording request receiving unit when the monitoring unit detects that the predetermined condition is satisfied;
The electronic apparatus according to claim 1, further comprising: The wireless communication method switching unit determines whether to switch the wireless communication method based on the wireless communication method when the recording request is received and the free space of the storage medium when the recording request is received. The electronic device according to claim 1, wherein the electronic device is determined. A recording control program executed in an electronic device having a function capable of wireless communication by the wireless communication method of the first wireless communication method and the second wireless communication method,
A procedure for performing videophone communication on a wireless communication path established by either the first wireless communication method or the second wireless communication method;
A procedure for receiving a recording request for requesting recording of the content of the videophone communication;
When receiving the recording request, a procedure for switching from the first wireless communication method or the second wireless communication method related to the established wireless communication path to the other wireless communication method;
When a wireless communication path by the switched wireless communication method is established, a procedure for recording the contents of videophone communication in the wireless communication path after the switching in a storage medium
A recording control program for causing an electronic device to execute.

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