WO2006075504A1

WO2006075504A1 - Mobile terminal

Info

Publication number: WO2006075504A1
Application number: PCT/JP2005/023669
Authority: WO
Inventors: Kazutaka Yamazaki
Original assignee: Matsushita Electric Industrial Co., Ltd.
Priority date: 2005-01-17
Filing date: 2005-12-22
Publication date: 2006-07-20

Abstract

A mobile terminal is provided which can cancel any display of information unnecessary for the user and eliminate any user discomfort, even when the reception field intensity or the radio wave reception quality is degraded during movement of the mobile terminal, thereby improving the comfortability during viewing and/or listening. A mobile terminal comprising a receiving part that can receive external contents; a field intensity determining part for determining the reception intensity of the external contents; a reproducing part that can reproduce the external contents; a control part for forwarding data from the receiving part to the reproducing part; and a storing part that can store internal contents selected by the user in advance; wherein when the reception intensity becomes less than a predetermined value during a reproduction of the external contents, a reproduced content switching mode can be selected which enables the control part to cancel the reproduction of the external contents and then start a reproduction of the internal contents.

Description

Mobile device

Technical field

TECHNICAL FIELD [0001] The present invention relates to a portable terminal capable of receiving external content such as terrestrial digital broadcasting.

Background art

[0002] In recent years, the spread of digitalization of broadcasts has rapidly progressed, and preparations for new digital terrestrial broadcasts to replace analog terrestrial broadcasts that have been watched nationwide are now progressing. This terrestrial digital broadcasting started in 2003 in the three major metropolitan areas of Kanto, Kinki and Tokai, and is planned to be expanded to the whole country in 2006. Along with this, the current analog broadcasting is scheduled to be abolished in 2011.

[0003] In this terrestrial digital broadcasting, portable reception and mobile reception, which were difficult in conventional terrestrial analog broadcasting, become possible. As a result, a mobile terminal (for example, a television receiver-integrated mobile phone) equipped with a terrestrial digital broadcast receiving function as disclosed in Patent Document 1 has been put into practical use.

Terrestrial digital broadcasting uses a method suitable for mobile reception and mobile reception, and is generally susceptible to various radio interferences in the radio wave transmission path, and noise, screen loss, and synchronization abnormalities are likely to occur. Compared to analog TV broadcasting, stable reception is possible without being affected by environmental changes caused by movement.

[0004] Patent Document 1: Japanese Unexamined Patent Application Publication No. 2004-153399

Disclosure of the invention

Problems to be solved by the invention

[0005] However, even with terrestrial digital broadcasting, depending on the reception environment, the reception power of radio waves may be weak, or noise superimposition may be significant.

In particular, in an environment where the influence of fading is large such that the intensity of the received signal changes with time, it may not be possible to reproduce a good video.

[0006] Also, in terrestrial digital broadcasting, radio wave propagation is complicated, and multipath interference, noise interference, A high-performance receiver is required to receive interference from the analog broadcasting.

When such bad conditions and necessary conditions are not sufficiently met, digital broadcasting is normal due to a decrease in received C / N due to noise, a decrease in required C / N due to interference with strong input, and changes in the mobile reception environment. Cannot be received properly, and suddenly the video and audio are distorted and cannot be received.

[0007] And, conventionally, in a mobile phone integrated with a television receiver, when the received electric field strength or radio wave reception quality deteriorates under a mobile reception environment, an image including received noise is displayed as it is, or The display function was stopped.

For this reason, there was a drawback in that users were forced to use unnecessary information or made them feel uncomfortable.

[0008] The present invention has been made in view of the above situation, and even if the received electric field strength or radio wave reception quality in a mobile reception environment deteriorates, unnecessary information is displayed to the user and is not displayed. The purpose is to provide a mobile terminal that can eliminate pleasure and to improve comfort during viewing.

Means for solving the problem

[0009] In order to achieve the above object, a mobile terminal according to the present invention is capable of receiving a reception unit capable of receiving external content, an electric field strength detection unit detecting the reception strength of the external content, and reproducing the external content. A playback unit, a control unit that sends data from the reception unit to the playback unit, and a storage unit that can store a built-in content selected by a user in advance. When the value becomes below a certain level, the control unit can select a playback content switching mode in which playback of the internal content is started after canceling playback of the external content.

[0010] In this mobile terminal, when the reception strength becomes a certain level or less during reproduction of external content, reproduction of the external content is canceled by the control unit, and a reproduction content switching mode for starting reproduction of the internal content can be selected. .

This makes it possible to switch to received information or stored information, and even if broadcasts become unreceivable due to degradation of electric field strength or radio wave quality in the mobile reception environment It is possible to switch to the stored useful information display. [0011] In addition, the mobile terminal according to the present invention may cancel the playback of the external content.

The internal content playback notification mode can be selected in which the user is notified of the playback of the internal content and the user can specify whether or not the internal content can be played back.

[0012] With this mobile terminal, when playback of external content is cancelled, the internal content playback is notified and it is possible to specify whether or not the internal content can be played back, and sudden external content due to deterioration of the received electric field strength, etc. Is stopped, and discomfort when viewing external content is eliminated.

In addition, since it is possible to specify whether or not the internal content can be played back, the degree of freedom in selecting the viewing content increases, and the comfort during viewing is improved.

[0013] Further, in the mobile terminal according to the present invention, the playback unit includes a liquid crystal display unit, and the storage unit can accommodate a plurality of the built-in content, and before canceling the playback of the external content, The control unit can easily display the built-in contents on the liquid crystal display unit, and can select a simple display mode in which the user can designate one of the built-in contents.

[0014] In this portable terminal, a plurality of built-in contents can be stored in the storage unit, and each stored built-in content can be simply displayed, so that a desired built-in content can be designated during the display, The degree of freedom and ease of selection of built-in content for the user is reduced.

[0015] The mobile terminal according to the present invention is characterized in that the electric field strength detection unit detects the reception strength of the external content during reproduction of the internal content.

[0016] In this mobile terminal, when viewing internal content, even when viewing external content is desired, the reception strength of the external content is always detected as the internal content is played, and the received electric field strength and radio wave quality are detected. If it becomes better and external content can be viewed, it will be possible to quickly switch to external content viewing.

[0017] Further, the portable terminal according to the present invention provides the user with the fact that the control unit can reproduce the external content when the reception intensity reaches a certain level during reproduction of the internal content. It is possible to select an external content playback notification mode for notification. To do.

[0018] With this portable terminal, it is possible to select whether or not to notify the user that external content can be played back when the reception intensity reaches a certain level or more.

That is, it is possible to select the ability to continuously view the internal content being viewed, or whether to switch to the new external content that can be viewed, and to increase the degree of freedom in selecting viewing content.

[0019] Further, the portable terminal according to the present invention is characterized in that the reproduction unit has a liquid crystal display unit and a reception intensity display mode for displaying the reception intensity on the liquid crystal display unit can be selected. .

[0020] With this portable terminal, when the stored content, which is the stored information, is reproduced, the field strength and radio wave quality are improved, and when a predetermined field strength is exceeded, a symbol mark ( The radio wave status is indicated by a mark that can be viewed on TV or a bar graph.

Thereby, it is possible to promptly switch to external content viewing.

[0021] In addition, the mobile terminal according to the present invention shifts to the reproduction of the external content.

The present invention is characterized in that external content that has been played back before is played back again.

In this portable terminal, when shifting to the reproduction of external content, the external content that was previously viewed is set and viewing is started.

As a result, even if the user does not perform the channel selection operation, it is possible to view the external content that was viewed before the call or the like.

[0023] Then, the mobile terminal according to the present invention includes a receiving unit capable of receiving external content, an electric field strength detecting unit that detects a reception strength of the external content, a reproducing unit capable of reproducing the external content, A control unit that sends data from the reception unit to the playback unit; and a storage unit that can store internal content selected by a user in advance, and the reception strength is constant during playback of the internal content. External power that allows the user to specify the ability to continue playback of the internal content, or to start playback of the external content after canceling the playback of the internal content. Content playback notification mode can be selected. [0024] In this portable terminal, when the received content becomes a certain level or higher during playback of the internal content and the external content playback notification mode can be selected, the user can continue playback of the internal content or the internal content can be selected. It is possible to specify whether or not to start playback of external content after canceling playback.

[0025] Further, in the mobile terminal according to the present invention, the electric field intensity detection unit detects the reception intensity of all external contents, and shifts to reproduction of external content in which the reception intensity reaches a certain level or more. Features.

[0026] In this portable terminal, all external contents that can be viewed at present can be transferred to reproduction. In other words, if the radio wave quality is improved from the playback state of stored information and external content can be viewed, all receivable external content can be automatically searched. You can select any external content channel you want to watch.

[0027] Further, the mobile terminal according to the present invention has a connection base station detection means for detecting base station information, searches for the current position from the base station information detected by the connection base station detection means, It is characterized by the transition to playback of all receivable external content in the base station's shared area.

[0028] In this mobile terminal, when the user wishes to view external content, the connection base station detection means searches the user's current location, and all external contents that can be received in the area are searched. Is automatically searchable.

The invention's effect

[0029] According to the mobile terminal of the present invention, when external content is being played back, when the reception intensity becomes a certain level or lower, the control unit cancels playback of the external content and then starts playback of the internal content. Since the content switching mode can be selected, it is possible to switch to received information or stored information, etc., and if the broadcast becomes unreceivable due to the deterioration of the electric field strength or radio wave quality in the mobile reception environment, You can switch to the stored information and display it.

As a result, it is possible to display unnecessary information to the user in areas where broadcast reception is not possible, to eliminate discomfort caused by sudden stoppage of display, and to obtain useful information for viewing. Comfort at the time can be improved.

Brief Description of Drawings

FIG. 1 is a perspective view showing an appearance of a mobile terminal according to a first embodiment of the present invention.

2 is a block diagram showing an outline of functional components in the mobile terminal shown in FIG.

FIG. 3 is a flowchart showing an operation procedure of the mobile phone according to the first embodiment.

FIG. 4 is an explanatory diagram showing an example of a display screen until stored information reproduction.

FIG. 5 is a flowchart showing an operation procedure of the mobile phone according to the second embodiment.

FIG. 6 is an explanatory diagram showing an example of a TV viewable mark displayed on the display unit.

FIG. 7 is an explanatory diagram showing an example of a reception level displayed on the display unit.

FIG. 8 is a flowchart showing an operation procedure of the mobile phone according to the third embodiment.

FIG. 9 is a flowchart showing an operation procedure of the mobile phone according to the fourth embodiment.

FIG. 10 is an explanatory diagram showing a display example when the reception state is improved.

FIG. 11 is a flowchart showing an operation procedure of the mobile phone according to the fifth embodiment.

FIG. 12 is a flowchart showing an operation procedure of the mobile phone according to the sixth embodiment.

Explanation of symbols

[0031] 29 Liquid crystal display (liquid crystal display)

49 Tuner part (receiver)

55 Electric field strength detector

56 Display section (playback section)

57 Memory

59 Control unit

100 Mobile phone (mobile terminal)

BEST MODE FOR CARRYING OUT THE INVENTION

Hereinafter, a preferred embodiment of a portable terminal according to the present invention will be described with reference to the drawings.

FIG. 1 is a perspective view showing an appearance of the mobile terminal according to the first embodiment of the present invention, and FIG. 2 is a block diagram showing an outline of functional components in the mobile terminal shown in FIG.

In the first embodiment, a case where the mobile terminal according to the invention is a mobile phone will be described as an example. . In addition, the mobile terminal according to the present invention may be a PDA, a wireless device, a mopile PC, a notebook PC, or the like.

[0033] In the mobile phone 100, the casing 21 includes an upper casing 23 and a lower casing 25, and the upper casing 23 and the lower casing 25 are configured by hinges 27a and 27b provided on both sides. The hinge part 27 can be folded in half.

A liquid crystal display device 29 and a receiver 31 are provided on the back surface of the upper housing 23 (the surface that is overlapped when folded in half).

On the back surface of the lower housing 25, an operation unit 33 for performing a switch operation is provided and a transmission unit 35 is provided. In addition, the housing 21 includes an antenna (not shown), a camera imaging unit, and a vibrator.

A circuit board provided with various circuit units is provided.

A circuit board built in the casing 21 is provided with a broadcast receiving device 41 shown in FIG. 2 as a circuit unit. The broadcast receiver 41 is composed of a television receiver unit 43 and a mobile phone unit 45.

. The television receiver unit 43 includes an antenna 47, a tuner part 49, a tuner power source detection unit 51, a television viewing detection unit 53, a field intensity detection unit 55, a storage unit 57, a control unit 59, a channel information storage unit 61, and a channel search unit. It consists of 63.

The antenna 47 is an antenna for receiving a broadcast signal such as a television that is external content. External content includes TV'radio (analog and digital) broadcasting, web browsing

And online games. The tuner part 49, which is the receiver, can receive external content.

That is, the tuner part 49 amplifies, detects, and demodulates the signal received by the antenna 47 and performs error correction and the like to obtain a signal such as MPEG2, H.264 (MPEG4). The tuner power source detection unit 51 has a function of detecting whether the television receiver is on or off, and determining whether the television receiver is operating.

[0036] The television viewing detection unit 53 has a function of detecting the power of the display unit 56, which is a playback unit, that is turned on or off. The display unit 56 can reproduce external content. The display unit 56 includes a liquid crystal display device 29, a speaker, an earphone jack, and the like. The electric field strength detector 55 receives received content of external content, i.e., That is, the signal level is detected. The storage unit 57 is means for storing data, information, and the like.

The storage unit 57 can accommodate the internal content selected by the user. Examples of built-in content include various applications including video, audio, and games stored on HD, memory cards, and so on.

[0037] The control unit 59 is means for controlling the operation of the television receiver 43 and processing various signals.

The control unit 59 separates the necessary program packet data from the transport stream obtained by the tuner unit 49, combines the compressed video and audio data such as MPEG2 and H.264, and combines the combined video. The signal is output to display 56.

That is, data from the tuner part 49 is sent to the display unit 56. The channel information storage means 61 is a means for storing the channel information and the like that was viewed before the display was switched to the stored information because the field intensity and radio wave quality deteriorated and broadcast reception became impossible. The channel search means 63 is a means for searching for receivable channels.

On the other hand, the cellular phone unit 45 includes an antenna 65, a wireless transmission unit 67, and a control unit 69. The wireless transmission unit 67 is means for amplifying, detecting, demodulating the radio wave received by the antenna 65 and processing error correction. The control unit 69 performs necessary processing on the signal from the wireless transmission unit 67 and outputs information to be notified to the user to the liquid crystal display device 29.

That is, the liquid crystal display device 29 serving as a display unit is a means for displaying information such as a telephone conversation of the mobile phone 100 and a television. Connected base station detecting means 71 is connected to the control unit 69, and the connected base station detecting means 71 detects base station information.

Next, the operation of the mobile phone 100 having the above configuration will be described.

FIG. 3 is a flowchart showing the operation procedure of the mobile phone according to the first embodiment, and FIG. 4 is an explanatory diagram showing an example of a display screen until the stored information is reproduced.

The user first turns on the power by the tuner power detection unit 51 of the television receiver unit 43, and monitors the state of the radio wave by the electric field strength detection unit 55 (S201) to determine whether or not the television can be viewed. (S202).

When TV viewing is possible and the user desires to watch TV (S203), a channel is selected (S204) and TV viewing is started. If the user does not wish to watch TV, the TV receiver is turned off (S208).

[0040] If the TV viewing is not possible, it is determined whether or not the information stored in memory 57 is to be displayed (S205). The information is switched to the information stored on the screen and played back on the display unit 56 (S206).

In addition, when switching to storage information, notification information is displayed on the display unit 56 as shown in FIG. 4, and reproduction information can be selected using thumbnails or the like obtained by dividing the display unit 56. If the stored information is not reproduced, the television receiver is turned off and the process ends (S207).

Notification can be done by LCD display, voice guidance, lighting of dedicated LED, etc. The selection can be made by moving the cursor on the LCD and pressing the enter button, or pressing a specific button on the operation unit 33.

[0041] As described above, in this embodiment, when external content is being played back, when the reception intensity becomes a certain level or lower, the control unit 69 cancels playback of the external content and then starts playback of the internal content. The content switching mode can be selected.

This makes it possible to switch to received information or stored information, and even if broadcasts become unreceivable due to degradation of electric field strength or radio wave quality in the mobile reception environment It is possible to switch to the stored useful information display.

[0042] Further, before canceling the reproduction of the external content, the user is notified of the reproduction of the internal content (S205) and the user can specify whether or not the internal content can be reproduced. The mode can be selected.

This prevents sudden stoppage of external content playback due to deterioration of the received electric field strength, etc., and eliminates discomfort when viewing external content. Since it is possible to specify whether or not the built-in content can be played back, the degree of freedom in selecting the viewing content is increased and the comfort during viewing is improved.

[0043] In addition, the display unit 56, which is a playback unit, includes the liquid crystal display device 29, and the storage unit 57 can store a plurality of internal contents. Each built-in content is simply displayed on the display device 29, and a simple display mode in which the user can specify one of the built-in contents can be selected.

Therefore, the desired built-in content can be specified during display, The degree of freedom of selection and ease of selection of the built-in content is improved.

[0044] According to the mobile phone 100 according to the first embodiment, when the reception intensity becomes a certain level or less during playback of external content, the control unit 69 cancels playback of the external content and then plays back the internal content. Since the playback content switching mode to be started can be selected, it is possible to switch to received information or stored information, etc., and when broadcasts become unreceivable due to deterioration of electric field strength and radio wave quality under the mobile reception environment, You can switch to and display information stored in advance.

As a result, it is possible to display unnecessary information to the user in areas where broadcast reception is not possible, to eliminate discomfort due to sudden stoppage of display, and to obtain useful information. Can be improved.

Note that the operation according to the first embodiment may be forcibly shifted to reproduction of internal content without notifying the user.

In this case, the detection of the electric field strength may be canceled, but it is more preferable to continue the detection.

Next, a second embodiment of the present invention will be described with reference to FIG. 5, FIG. 6, and FIG.

Fig. 5 is a flowchart showing the operation procedure of the mobile phone according to the second embodiment, Fig. 6 is an explanatory diagram showing an example of a TV viewable mark displayed on the display unit, and Fig. 7 is a reception level displayed on the display unit. It is explanatory drawing showing the example.

[0047] The mobile phone according to the second embodiment improves the electric field strength and the radio wave quality in a state where the stored information is reproduced, and if the electric field strength exceeds a predetermined electric field strength, the mobile phone can be placed at any place on the screen of the display unit 56. For example, a display such as a mark M that can be viewed on television as shown in FIG. 6 or a bar graph G as shown in FIG. 7 is provided, and means for notifying the user is provided.

[0048] In the reception of digital broadcasting, there is no intermediate reception state in which unclear images such as analog broadcasting are shown.

That is, it is a binary reception state that is substantially receivable or not receivable. The above-mentioned mark M that allows TV viewing is suitable for notification of this binary reception state.

[0049] On the other hand, regarding the reception status, the reception sensitivity information indicated by a stepwise value that is not binary information indicating whether or not reception is possible is displayed in a bar graph G as shown in FIG. Therefore, it is also possible to indicate.

In this case, by combining a plurality of different binary values obtained by a plurality of sensitivities, it is possible to express the received sensitivity level in a stepwise manner and to display the received intensity display in a pseudo analog display.

[0050] In the second embodiment, the electric field strength detection unit 55 can detect the reception strength of the external content during playback of the internal content.

During the reproduction of the internal content, the external content reproduction notification mode in which the control unit 69 notifies the user that the external content can be reproduced when the reception intensity reaches a certain level or more can be selected. Also, the reception intensity display mode for displaying the reception intensity at that time on the liquid crystal display device 29 is selectable.

[0051] With such a configuration, the user can first adjust the tuner power supply detection unit of the television receiver unit 43.

The power is turned on by 51, and the state of the radio wave is monitored by the electric field intensity detection unit 55 (S301), and it is determined whether or not TV viewing is possible (S302).

When TV viewing is possible and the user desires to watch TV (S303), a channel is selected (S304) and TV viewing is started.

[0052] If television viewing is not desired, the power of the television receiver is turned off (S307). If television viewing is not possible, it is determined whether or not to display information stored in advance in storage unit 57. (S306) When the user wants to reproduce the stored information, it switches to the stored information and reproduces it on the display unit 56 (S305).

[0053] In this mobile phone, when the user wants to watch external content and is watching the internal content, the reception strength of the external content is always detected along with the playback of the internal content, and the received electric field strength and When the quality of radio waves improves and external content can be viewed, it is possible to quickly switch to external content viewing. Also, when the reception strength reaches a certain level, it is possible to play external content.

It is possible to select whether to notify the user.

[0054] That is, it is possible to select the ability to continuously view the internal content being viewed, or whether to switch to a new external content that has become viewable, and increase the degree of freedom in selecting viewing content. . Furthermore, while playing back the built-in content that is stored information, When the electric field strength and radio wave quality improve and the specified electric field strength is exceeded, the radio wave status is displayed as a symbol mark (a TV viewing mark or a bar graph display) at any location on the screen. The This makes it possible to quickly switch to external content viewing.

[0055] Therefore, according to the mobile phone according to this embodiment, since the electric field strength is constantly monitored, when the received electric field strength and the radio wave quality are improved and the television can be viewed, the switching to the television viewing is promptly performed. Yes.

Next, a third embodiment of the present invention will be described with reference to FIG.

FIG. 8 is a flowchart showing the operation procedure of the mobile phone according to the third embodiment. When the mobile phone according to this embodiment shifts to the reproduction of the external content, the external content that has been reproduced before is reproduced again.

That is, from the state where the stored information is being reproduced (S407), the electric field intensity detection unit 55 monitors the state of the electric wave (S401), and determines whether or not the television viewing is possible (S402). If TV viewing is possible and the user wishes to view TV (S403), the channel that was being viewed before channel information storage and playback is read from channel information storage means 61 and set (S404). Viewing is started (S405).

[0058] If the user does not wish to view the television, the television receiver is turned off (S406). If TV viewing is not possible, it is determined whether or not the information stored in advance in the storage unit 57 is displayed (S408). If the user wants to reproduce the stored information, the user switches to the stored information. Playback is performed on the display unit 56 (S407). If you do not want to watch TV, turn off the TV receiver (S409).

[0059] According to the mobile phone according to the third embodiment, when shifting to the reproduction of the external content, the external content that was previously viewed is set and the viewing is started.

[0060] Next, a fourth embodiment of the present invention will be described with reference to Figs.

FIG. 9 is a flowchart showing the operation procedure of the mobile phone according to the fourth embodiment, and FIG. 10 is an explanatory diagram showing a display example when the reception state is improved. The mobile phone according to the fourth embodiment continues to play back the built-in content when the reception strength becomes a certain level or higher during playback of the built-in content, for example, by the display shown in FIG. It is possible to select an external content playback notification mode in which the user can specify whether to start playback of external content after canceling playback of content.

[0061] The user first turns on the power by the tuner power detection unit 51 of the television receiver unit 43, and monitors the state of the radio wave by the electric field strength detection unit 55 (S501). Is determined (S502). When TV viewing is possible and the user desires to watch TV (S 503), the channel search means 63 follows, for example, the screen display flow of FIGS. 10 (b), 10 (c), and 10 (d). Select a channel (S504), set the channel of the broadcast station you want to watch (S505), and start watching TV (S506).

[0062] If the channel is not selected, the recorded channel is set before reproduction of stored information or before the power of the television receiver is turned off (S510).

If the user does not wish to watch TV, the TV receiver is turned off (S507). If TV viewing is not possible, it is determined whether or not the information stored in advance in the storage unit 57 is displayed (S509). If the user wants to play back the stored information, the display is switched to the stored information. Playback is performed in part 56 (S508).

When the stored information is not reproduced, the television receiver is turned off (S511). Also, the display unit 56 is notified at the time of switching from reproducing the stored information to watching TV broadcasting.

[0063] According to the mobile phone according to the fourth embodiment, when the reception strength becomes a certain level or higher during playback of the internal content and the external content playback notification mode can be selected, the user continues to play back the internal content. It is possible to specify the power, or the power to cancel the playback of the internal content and start the playback of the external content.

Next, a fifth embodiment of the present invention will be described with reference to FIG.

FIG. 11 is a flowchart showing the operation procedure of the mobile phone according to the fifth embodiment. The cellular phone according to the fifth embodiment has means for searching for all receivable channels when the radio wave environment is improved and the television viewing is resumed while the stored information is being reproduced. Electric field strength detection unit 55 detects the reception strength of all external content, and the reception strength is constant. Shifting to the reproduction of the external content that has reached the above.

The user reproduces the stored information because the radio wave environment has deteriorated (S601). The field strength detector 55 monitors the field strength and allows TV viewing (S602). If the user wants to watch TV (S603), the channel search means 63 selects the channel (S604) The channels of all the broadcasting stations that can be viewed are searched (S606).

The medium power user selects a channel that the user wants to watch (S607), and starts watching TV (S608).

[0066] If the channel is not selected, the channel that was viewed before the stored information reproduction or before the television receiver was turned off is set (S612). If you do not want to watch TV, turn off the TV receiver (S609). If TV viewing is not possible, it is determined whether or not to display the information stored in advance in storage unit 57 (S611). If the user wants to play back the stored information, the stored information is displayed. To display on the display unit 56 (S601). When the stored information is not reproduced, the television receiver is turned off (S613).

Therefore, according to the mobile phone according to this embodiment, all external contents that can be viewed at present can be transferred to reproduction.

In other words, if the radio wave quality is improved from the playback state of the stored information and external content can be viewed, all external content that can be received can be automatically searched, and any user who wants to watch it can be selected. External content channels can be selected.

Next, a sixth embodiment of the present invention will be described with reference to FIG.

FIG. 12 is a flowchart showing the operation procedure of the mobile phone according to the sixth embodiment. The mobile phone according to the sixth embodiment has a connection base station detection means 71 that detects base station information, searches the current position from the base station information detected by the connection base station detection means, and shares the base station information. Transition to playback of all receivable external content in the area. In other words, when the radio wave environment improves and the TV returns to viewing after the stored information is played back, the current location information is obtained using the connected base station detection means 71 of the mobile phone, and all channels that can be received in that area are searched. Means to do.

[0069] The user reproduces the stored information because the radio wave environment has deteriorated (S701). The electric field strength detector 55 monitors the electric field strength and allows TV viewing (S702). If you want to watch TV (S703), the mobile phone's connected base station detection means 71 searches for the current location of the user (S704), and when selecting a channel (S705), the channel is selected automatically. Or manual operation is selected (S706).

[0070] When searching for all receivable channels in the area (S707), the channel that the user wants to view is selected from the retrieved results (S708), and TV viewing is started (S709).

If not selected, the channel that was being watched before the stored information playback or before the TV receiver was turned off is set (S713). If you do not want to watch TV, turn off the TV receiver (S711).

If TV viewing is not possible, it is determined whether or not the stored information is displayed in the storage unit 57 (S712). If the user wants to play back the stored information, the stored information is stored. And display on the display unit 56 (S701). When the stored information is not reproduced, the TV receiver is turned off (S714).

Therefore, according to the mobile phone according to this embodiment, when the user desires to view external content, the location where the user is currently located is searched by the connected base station detection means 71 and received in that area. All possible external content is automatically searchable.

[0072] Although the invention has been described in detail and with reference to specific embodiments, it will be apparent to those skilled in the art that various changes and modifications can be made without departing from the spirit and scope of the invention. is there.

This application is based on Japanese Patent Application No. 2005-009300 filed on January 17, 2005, the contents of which are incorporated herein by reference.

Industrial applicability

The present invention is useful as a means for providing useful information to a user in a radio wave insensitive area.

Claims

The scope of the claims

[1] A receiving unit capable of receiving external content, an electric field strength detecting unit for detecting reception strength of the external content, a reproducing unit capable of reproducing the external content, and data from the receiving unit to the reproducing unit A control unit for sending, and a storage unit that can store internal content selected by the user in advance,

During playback of the external content, a playback content switching mode in which the control unit cancels playback of the external content and starts playback of the built-in content when the reception intensity becomes below a certain level can be selected. A mobile terminal characterized by being.

[2] Internal content playback notification mode in which the user is notified of the playback of the internal content before canceling the playback of the external content, and the user can specify whether the internal content can be played back The mobile terminal according to claim 1, wherein the mobile terminal can be selected.

[3] The reproduction unit includes a liquid crystal display unit, and the storage unit can accommodate a plurality of the built-in contents.

Before canceling the reproduction of the external content, the control unit selects the simple display mode in which the internal content is simply displayed on the liquid crystal display unit and one of the internal content can be specified by the user. The portable terminal according to claim 1, wherein the portable terminal is possible.

4. The mobile terminal according to claim 1, wherein the electric field strength detection unit detects the reception strength of the external content during reproduction of the internal content.

[5] During the playback of the internal content, when the reception strength reaches a certain level,

5. The mobile phone according to claim 4, wherein the control unit is capable of selecting an external content playback notification mode for notifying a user that the external content can be played back.

End of 5¾.

6. The mobile terminal according to claim 4, wherein the reproduction unit has a liquid crystal display unit, and a reception intensity display mode for displaying the reception intensity on the liquid crystal display unit can be selected.

[7] When moving to the playback of the external content, the external content that was previously played back 5. The mobile terminal according to claim 4, wherein the mobile phone is reproduced again.

[8] A receiving unit capable of receiving external content, an electric field strength detecting unit for detecting the reception intensity of the external content, a reproducing unit capable of reproducing the external content, and data from the receiving unit to the reproducing unit A control unit for sending, and a storage unit that can store internal content selected by the user in advance,

During playback of the built-in content, when the reception intensity exceeds a certain level, the playback of the external content is started after canceling the playback of the built-in content or the playback of the built-in content. A portable terminal characterized by being able to select an external content playback notification mode in which the user can specify either

[9] The electric field strength detection unit detects reception strength of all external contents, and shifts to reproduction of external content in which the reception strength reaches a certain level or more.

4. The mobile terminal according to 4.

[10] having connected base station detection means for detecting base station information;

10. The current position is searched from base station information detected by the connected base station detection means, and the process proceeds to playback of all receivable external contents in the shared area of the base station. Mobile devices.