JP2004274562A

JP2004274562A - Digital broadcast reception mobile terminal and program distribution station

Info

Publication number: JP2004274562A
Application number: JP2003064879A
Authority: JP
Inventors: Shunichi Hosoe; 俊一細江
Original assignee: Matsushita Electric Industrial Co Ltd
Current assignee: Panasonic Holdings Corp
Priority date: 2003-03-11
Filing date: 2003-03-11
Publication date: 2004-09-30

Abstract

<P>PROBLEM TO BE SOLVED: To provide a mobile terminal and method whereby a digital broadcast program can be viewed from an interrupted part at a visit place even on the occurrence of the interruption of program viewing due to the disabled reception of a broadcast radio wave in the case of viewing the digital broadcast program by using the mobile terminal. <P>SOLUTION: When a broadcast reception means 101 detects the interruption of a broadcast radio wave, the mobile terminal transmits a broadcast reception interruption time and viewing program information to a program distribution station storing a broadcast program and allows the program distribution station to distribute moving picture data from the interrupted part of the program so as to be capable of viewing the program from the interrupted part and can continue the viewing of the broadcast program without the need for troublesome operations even at a visit place by selecting program viewing through the reception of broadcast wave in a stage when the reception of the broadcast radio wave is again available. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

【０００１】
【発明の属する技術分野】
本発明は、デジタル放送受信携帯端末装置において無線による通信機能を有する装置における番組視聴中断再開方法、及び放送受信中断中に放送に代わって番組を配信する番組配信局に関する。
【０００２】
【従来の技術】
日本では２００３年度から地上波デジタル放送が東京、大阪、名古屋で開始され、その後２００６年度から全国で開始されようとしている。地上波デジタル放送の特徴としては、従来のテレビ放送で対象とされていた固定テレビ向けの放送だけでなく、移動体端末向けにも放送を開始することが挙げられる。そのため地上波デジタル放送が開始されると、外出先でも地上波デジタル放送受信機能を持った携帯電話やカーナビでテレビ放送を楽しむことが可能となる。しかし移動体端末で放送を受信中に放送電波の届かない場所へ移動してしまった場合には、番組視聴が中断されてしまい見たい場面を見逃してしまうことが考えられる。そのため外出前にあらかじめ自宅の録画機により録画設定しておいたり、外出先から番組開始前にあらかじめインターネット経由で自宅の録画機もしくは自宅外の録画再生配信ステーションへの録画予約を入れたり（例えば、特許文献１参照）、外出先から番組開始前もしくは番組放送中にインターネット経由で自宅の録画機へ録画要求を送ることで番組開始時点から録画要求した番組を保存する方法が提案されている（例えば、特許文献２参照）。
【０００３】
一方、近年携帯電話基地局は幅広い地域をカバーすると共に地下街や地下鉄構内など放送電波の届かない場所においては携帯電話を用いた通話及び通信が可能になっている。また携帯電話を用いた通信システムにおいては、次世代通信システム（ＩＭＴ−２０００）への移行により下り方向で最大３８４ｋｂｐｓの通信速度を生かした動画配信がすでに実用化されている。携帯電話では動画再生中に通話通知やメール着信通知により動画再生を中断する場合が考えられ、通話通知やメール着信通知による動画再生中断及び通話やメール機能終了時に再び再生を開始する方法が提案されている（例えば、特許文献３参照）。
【０００４】
【特許文献１】
特開２００２−１８５９００号公報
【特許文献２】
特開２００２−１８５９０６号公報
【特許文献３】
特開２００２−７７４５８号公報
【０００５】
【発明が解決しようとする課題】
放送番組視聴における従来の方法では、移動体端末を用いて外出先で放送番組を視聴中に放送電波の届かない場所へ移動したことにより番組視聴が中断した場合に中断した場面を視聴するためには、あらかじめ新聞や雑誌の番組表や電子番組表を確認して自宅の録画機や外部の録画再生配信ステーションの設定を行っておく必要があったり、自宅に帰ってから録画機やインターネットに接続したコンピューターを外部の録画再生配信ステーションに接続して視聴する必要があり、外出先で見逃した場面を見ることができないという問題点があった。
【０００６】
そのためスポーツの得点シーンなどの時間が経過してから見ては半減する、及びわざわざ録画して見るほどではないがここだけ今見たい、といった視聴者の要求を満たすのは難しいという課題があった。
【０００７】
また、携帯電話を用いて、通信回線経由で動画再生を行っている場合に通話通知やメール着信通知による動画再生中断及び再開方法は提案されているが、通信電波圏外へ移動した場合の動画再生中断及び再開方法は提案されておらず、さらに放送番組を視聴する、及び放送番組の視聴中断についても提案がなされていなかった。
【０００８】
本発明は上記状況に鑑みてなされたものであり、その目的は外出先で移動体端末を用いてデジタル放送を視聴している場合に、放送電波が受信できないことによる番組視聴中断が発生しても、外出先にて中断した個所から視聴が可能な装置、及び方法を提供することにある。
【０００９】
【課題を解決するための手段】
上記課題を解決するため、第一の発明では、本発明の携帯電話端末装置ではデジタル放送を受信する放送受信手段と、前記放送受信手段により受信したデジタル信号を再生する放送再生手段と、通信回線経由で配信された動画を受信する通信受信手段と、前記通信受信手段により受信した動画を再生する通信動画再生手段と、前記放送再生手段及び前記通信動画再生手段により再生された映像を表示する表示手段と、デジタル放送電波が受信ができなくなったことを検出する放送電波受信中断検出手段と、前記放送電波受信中断検出手段により放送電波の中断が検出された場合に放送受信が中断した時刻及び視聴していた番組情報を送信する送信手段と、前記送信手段において送られた送信情報に対して通信回線経由で放送受信が中断した部分からの動画が送信されてきた場合に通信回線経由での動画受信及び再生及び表示に切り替える切替手段と、放送電波受信中断中に再び放送電波が受信できるようになったことを検出する放送電波受信再開検出手段と、放送電波受信中断中でかつ通信回線経由で動画再生中に前記放送電波受信再開検出手段により再び放送電波の受信が開始できることを検出された場合に通信経由での動画配信を停止させる停止要求を送信する停止要求送信手段と、再び前記放送受信手段により放送受信を開始すると共に前記放送再生手段により放送を再生するよう構成される。
【００１０】
第二の発明では、携帯電話端末装置は、デジタル放送を受信する放送受信手段と、前記放送受信手段により受信したデジタル信号を再生する放送再生手段と、通信回線経由で配信された動画を受信する通信受信手段と、前記通信受信手段により受信した動画を再生する通信動画再生手段と、前記放送再生手段及び前記通信動画再生手段により再生された映像を表示する表示手段と、デジタル放送電波が受信ができなくなったことを検出する放送電波受信中断検出手段と、通信電波が受信できなくなったことを検出する通信電波受信中断検出手段と、前記放送電波受信中断検出手段により放送電波の中断が検出された場合には放送受信が中断した時刻または前記通信電波受信中断検出手段により通信電波の中断が検出された場合には通信が中断した時刻及び視聴していた番組情報を記憶する記憶手段と、通信電波受信中断中に再び通信電波が受信できるようになったことを検出する通信電波受信再開検出手段と、前記通信電波受信再開検出手段により再び通信が行えるようになったことを検出した場合に前記記憶手段において記憶された情報より番組視聴が中断したことを判断する判断手段と、前記判断手段により番組視聴が中断していた場合には前記記憶部に記憶された番組中断時刻及び視聴番組情報を送信する送信手段と、前記送信手段において送られた送信情報に対して通信回線経由で放送受信が中断した部分からの動画が送信されてきた場合に通信回線経由での動画受信及び再生及び表示に切り替える切替手段により放送を再生するよう構成される。
【００１１】
第三の発明に置いては、デジタル放送を受信する放送受信手段と、前記放送受信手段により受信したデジタル信号を再生する放送再生手段と、通信回線経由で配信された動画を受信する通信受信手段と、前記通信受信手段により受信した動画を再生する通信動画再生手段と、前記放送再生手段及び前記通信動画再生手段により再生された映像を表示する表示手段と、デジタル放送電波が受信ができなくなったことを検出する放送電波受信中断検出手段と、通信電波が受信できなくなったことを検出する通信電波受信中断検出手段と、前記放送電波受信中断検出手段により放送電波の中断が検出された場合には放送受信が中断した時刻または前記通信電波受信中断検出手段により通信電波の中断が検出された場合には通信が中断した時刻及び視聴していた番組情報を記憶する記憶手段と、通信電波受信中断中に再び通信電波が受信できるようになったことを検出する通信電波受信再開検出手段と、前記通信電波受信再開検出手段により再び通信が行えるようになったことを検出した場合に前記記憶手段において記憶された情報より番組視聴が中断したことを判断する判断手段と、前記判断手段により番組視聴が中断していた場合には前記記憶部に記憶された番組中断時刻及び視聴番組情報を送信する送信手段と、前記送信手段において送られた送信情報に対して通信回線経由で放送受信が中断した部分からの動画が送信されてきた場合に通信回線経由での動画受信及び再生及び表示に切り替える切替手段と、放送電波受信中断中に再び放送電波が受信できるようになったことを検出する放送電波受信再開検出手段と、放送電波受信中断中でかつ通信回線経由で動画再生中に前記放送電波受信再開検出手段により再び放送電波の受信が開始できることを検出された場合に通信経由での動画配信を停止させる停止要求を送信する停止要求送信手段と、再び前記放送受信手段により放送受信を開始すると共に前記放送再生手段により放送を再生するよう構成される。
【００１２】
第四の発明においては、放送電波受信中断中でかつ通信回線経由で動画再生中に前記放送電波受信再開検出手段により再び放送電波の受信が開始できることを検出された場合に通信経由での動画配信を通常より早い再生速度で行うことを要求する高速再生要求を送信し、番組配信局より配送される高速再生動画の再生が放送電波にて送信されている番組に追いついた場合に通信経由での高速動画配信を停止させる停止要求を送信し、放送電波による番組視聴に切り替えるよう構成される。
【００１３】
第五の発明においては、本発明の番組配信局は、放送電波により番組を受信する手段と、受信した番組を蓄積する蓄積手段と、携帯電話端末装置からの再生要求を受信する再生要求受信手段と、前記再生要求受信手段に含まれる中断時刻情報及び視聴中番組情報により番組送信開始位置を検出する手段と、前記再生要求を送信してきた携帯電話端末装置を識別する識別手段と、前記識別手段において識別された携帯電話端末に対して番組を送信する送信手段により構成される。
【００１４】
第六の発明においては、本発明の番組配信局は、携帯電話端末装置からの高速再生要求を受信した場合に高速再生番組を送信するよう構成される。
【００１５】
【発明の実施の形態】
以下に本発明の実施の形態を示す図面に基づいて説明を行う。各実施の形態を説明する図に関しては、共通する部分には同じ番号を付して説明する。
【００１６】
図１は本発明による放送局及び番組配信局から携帯電話端末装置にデータを配信する場合の概念図であり、携帯電話端末で映像、音声、データ放送（以下、放送電波経由の場合を「番組」、通信電波経由の場合を「動画」という）を視聴する際の番組配信について示している。
【００１７】
図１において、放送局１０１は放送番組を携帯電話端末１０５へ配信する。また番組配信局１０２は、携帯電話端末１０５からの要求により蓄積しているコンテンツをインターネット１０３経由で携帯電話基地局１０４へ送信する。携帯電話基地局１０４は無線通信網を介して携帯電話端末１０５へ動画データを送信する。番組配信局１０２とは、インターネットプロバイダ、もしくはインターネットに接続されている個人用のサーバである。
【００１８】
図２は本発明による携帯電話端末装置の一実施例を示す構成図である。図２においてＣＰＵ２０１は中央演算装置であり、後述する２０２から２０９までの各制御部の制御及び放送受信部２０３や通信受信部２０４において検出された出力に応じて番組配信局に要求を送信するかどうかの判断も行う。再生部２０２では放送受信部２０３もしくは通信受信部２０４において受信された番組もしくは動画データの再生を行う。
【００１９】
また放送受信部２０３では放送電波受信中断検出及び放送電波受信再開検出も行い、通信受信部２０４では放送電波受信中断検出及び放送電波受信再開検出も行う。通信送信部２０５ではＣＰＵ２０１からの指示により番組配信局へ再生要求及び停止要求を送信する。
【００２０】
記憶部２０６はＲＡＭ（ＲａｎｄｏｍＡｃｃｅｓｓＭｅｍｏｒｙ）やＲＯＭ（ＲｅａｄＯｎｌｙＭｅｍｏｒｙ）やハードディスクやＣｏｍｐａｃｔＦｌａｓｈなどの記憶媒体であり電波受信中断情報や中断時刻及び視聴中番組情報を記憶する。音声再生部２０７はスピーカであり、表示部２０８はＬＣＤ（ＬｉｑｕｉｄＣｒｙｓｔａｌＤｅｖｉｃｅ）などの表示装置であり、入力部２０９はキー入力部である。
【００２１】
なお、再生部２０２は放送電波経由で送信される番組と通信電波経由で送信される動画の圧縮形式が異なる場合には番組再生部と動画再生部に分割してもよい。
【００２２】
図３は本発明における携帯電話端末装置において、受信切替を行う状態遷移の一実施形態である。状態としては放送電波受信が可能な状態３０１があり放送電波受信及び通信電波受信が可能な状態を指す。放送電波受信及び通信電波受信の両方が途切れた状態の３０２、放送電波受信が途切れ通信電波受信が可能な３０３の３つの状態がある。
【００２３】
状態３０１は通常の携帯電話端末で放送電波を受信している状態であり、状態３０２はトンネル内などの電波が届かない状態であり、状態３０３は地下街や地下鉄構内やビル内などが考えられる。状態３０１から状態３０２への移行は放送電波受信途切れが検出された場合に行われ、通信電波受信も途切れているため放送電波受信が中断した時刻及び視聴していた番組情報を記憶部に記憶しておく。状態３０２から状態３０３への移行は通信電波受信が再開されたときに行われ、記憶しておいた中断発生時刻及び番組情報を番組配信局へ送信し、番組配信局からインターネット及び携帯電話基地局経由で送信された動画の再生を開始する。
【００２４】
状態３０３から状態３０１への移行は放送電波受信が再開された場合に番組配信局への配信停止要求の送信及び放送電波による番組再生への切替が行われる。状態３０１から状態３０３への移行は放送電波受信途切れ発生のみが検出された場合に行われ、放送電波受信が中断した現在時刻及び視聴した番組情報を番組配信局へ送信し、番組配信局からインターネット及び携帯電話基地局経由で送信された動画の再生を開始する。状態３０３から状態３０２への移行は通信電波受信途切れが検出された場合に行われ、通信電波受信が途切れた時刻及び視聴していた番組情報を記憶しておく。
【００２５】
状態３０２から状態３０１への遷移は放送電波受信及び通信電波受信再開が検出された場合に行われ、記憶しておいた中断発生時刻及び番組情報を番組配信局へ送信し、番組配信局からインターネット及び携帯電話基地局経由で送信された動画の再生を開始する。
【００２６】
図４は、本発明における放送電波受信による番組再生と通信電波受信による動画再生の切替の一例を示す。例４０１は放送電波受信による番組再生から通信電波受信による動画再生に時間的な遅延なく切り替わった場合である。例４０２は放送電波受信及び通信電波受信の両方に一時的な途切れが発生し、通信電波受信再開後に放送電波により視聴していた番組の途切れた位置から通信電波により動画を受信して視聴している場合であり、この場合は番組終了時もしくは視聴者による切替により放送番組の視聴へ切り替えることが可能である。
【００２７】
例４０３は放送電波受信及び通信電波受信の両方に一時的な途切れが発生し、通信電波受信再開後に放送電波により視聴していた番組の途切れた位置から通信電波により動画を受信して視聴している場合であり、番組の途切れた位置から現在放送中の番組位置へ追いつくため、通信電波経由の動画では高速再生を行い、現在放送中の番組位置へ追いついた段階で放送電波による番組再生へと切り替わり、番組配信局に停止要求を送信する。
【００２８】
高速再生中の動画が現在放送中の番組位置へ追いついたことを検出するために、放送電波によって送信されるタイムスタンプ情報と高速再生中動画に埋め込まれているタイムスタンプを比較する。また高速再生中の動画が現在放送中の番組位置へ追いついたことを検出するために、番組配信局側で放送電波による番組受信に切り替える信号を付加しても良い。この場合には放送電波による番組受信への切替時に番組配信局へ携帯電話端末から停止要求を送る必要はない。
【００２９】
図５は、本発明による番組配信局の一実施例を示す構成図である。図５においてＣＰＵ５０１は中央演算装置であり、後述する５０２から５０７までの各制御部の制御及び通信受信部５０４において受信した携帯電話端末からの再生要求に含まれる中断時刻及び番組情報から蓄積部５０２に蓄積された放送番組の送信開始位置の検出及び再生要求に含まれる携帯電話端末を特定する識別情報とデータベース部５０６に登録されている登録情報の照合を行う。
【００３０】
蓄積部５０２は放送受信部５０３より受信される放送番組を蓄積しておき、携帯電話端末からの再生要求に応じて蓄積情報を通信送信部５０５経由で送信する。変換部５０７では放送番組の圧縮形式と通信番組の圧縮形式が異なる検出された出力に応じて番組配信局に要求を送信するかどうかの判断も行う。
【００３１】
【発明の効果】
以上述べたように、本発明によれば放送電波による番組視聴中に放送電波が途切れた場合においても通信電波による動画視聴に切り替えることで、外出先でも見たい場面を見逃すことなく番組視聴が可能になる。
【図面の簡単な説明】
【図１】本発明による放送局及び番組配信局から携帯電話端末装置にデータを配信する場合の概念図
【図２】本発明による携帯電話端末装置の一実施例を示す構成図
【図３】本発明における携帯電話端末装置において、受信切替を行う状態遷移を示す図
【図４】本発明における放送電波受信による番組再生と通信電波受信による動画再生の切替の一例図
【図５】本発明による番組配信局の一実施例を示す構成図
【符号の説明】
２０１ＣＰＵ
２０２再生部
２０３放送受信部
２０４通信受信部
２０５通信送信部
２０６記憶部
２０７音声再生部
２０８表示部
２０９入力部[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a method for suspending and resuming program viewing in a device having a wireless communication function in a digital broadcast receiving portable terminal device, and a program distribution station for distributing a program instead of a broadcast during suspension of broadcast reception.
[0002]
[Prior art]
In Japan, terrestrial digital broadcasting has begun in Tokyo, Osaka, and Nagoya in 2003, and will be started nationwide in 2006. One of the features of terrestrial digital broadcasting is that it starts broadcasting not only for fixed television, which has been targeted for conventional television broadcasting, but also for mobile terminals. Therefore, when terrestrial digital broadcasting is started, it is possible to enjoy television broadcasting on a mobile phone or a car navigation having a terrestrial digital broadcast receiving function even when going out. However, if the mobile terminal moves to a place where the broadcast radio wave does not reach while receiving the broadcast, the program viewing may be interrupted and a desired scene may be missed. Therefore, before going out, a recording is set in advance by a recording device at home, or before starting a program from a destination, a recording reservation is made in advance to a recording device at home or a recording / reproduction distribution station outside home via the Internet (for example, A method has been proposed in which a recording request is sent from the start of a program by sending a recording request to a recorder at home via the Internet before the start of the program or during the broadcast of the program from an outside location (for example, see Patent Document 1). , Patent Document 2).
[0003]
On the other hand, in recent years, mobile phone base stations cover a wide area, and at the places where broadcast radio waves do not reach, such as underground shopping malls and subway premises, it is possible to perform communication and communication using mobile phones. In a communication system using a mobile phone, moving image distribution utilizing a communication speed of up to 384 kbps in the downstream direction has already been put to practical use due to a shift to a next-generation communication system (IMT-2000). With mobile phones, it is conceivable that video playback may be interrupted by call notification or email arrival notification during video playback, and a method has been proposed in which video playback is interrupted by call notification or email arrival notification and playback is restarted when the call or email function ends. (For example, see Patent Document 3).
[0004]
[Patent Document 1]
JP 2002-185900 A [Patent Document 2]
Japanese Patent Application Laid-Open No. 2002-185906 [Patent Document 3]
JP, 2002-77458, A
[Problems to be solved by the invention]
In the conventional method of viewing broadcast programs, in order to view the interrupted scene when the program is interrupted due to moving to a place where broadcast waves do not reach while viewing the broadcast program on the go using a mobile terminal, It is necessary to check the program guide and electronic program guide of newspapers and magazines in advance and set up a recorder at home or an external recording and playback distribution station, or connect to a recorder or the Internet after returning home It is necessary to connect the computer to an external recording / playback / distribution station for viewing, and there is a problem that it is not possible to see scenes that were missed on the go.
[0006]
Therefore, there is a problem that it is difficult to satisfy a viewer's demand that the time required for watching a sports score scene or the like elapses after the lapse of time, and that the viewer wants to watch only this time, although it is not as much as recording and watching.
[0007]
In addition, a method of suspending and resuming moving image reproduction by a call notification or an incoming mail notification when a moving image is reproduced via a communication line using a mobile phone has been proposed. No method of suspending and resuming has been proposed, and no proposal has been made for viewing a broadcast program or suspending viewing of a broadcast program.
[0008]
The present invention has been made in view of the above circumstances, and a purpose thereof is that when viewing digital broadcasting using a mobile terminal while away from home, program viewing interruption due to inability to receive broadcast radio waves has occurred. Another object of the present invention is to provide a device and a method that allow viewing from a place where the user has been out of the office.
[0009]
[Means for Solving the Problems]
In order to solve the above problems, according to a first aspect of the present invention, in a mobile phone terminal device of the present invention, a broadcast receiving means for receiving a digital broadcast, a broadcast reproducing means for reproducing a digital signal received by the broadcast receiving means, and a communication line Communication receiving means for receiving the moving image distributed via the communication means, communication moving image reproducing means for reproducing the moving image received by the communication receiving means, and display for displaying the image reproduced by the broadcast reproducing means and the communication moving image reproducing means Means, a broadcast wave reception interruption detecting means for detecting that the digital broadcast wave cannot be received, and a time and viewing time when the broadcast reception was interrupted when the broadcast wave reception interruption detection means detected the interruption of the broadcast wave. Transmitting means for transmitting the program information which has been transmitted, and a part in which broadcast reception is interrupted via a communication line for the transmission information transmitted by the transmitting means. Switching means for switching between receiving, playing, and displaying a moving image via a communication line when a moving image is transmitted, and receiving a broadcast wave for detecting that the broadcast wave can be received again while the broadcast wave reception is interrupted. Resume detecting means, and stop distribution of the moving image via communication when the broadcast wave reception restart detecting means detects that the reception of the broadcast wave can be started again while the broadcast wave reception is suspended and the moving image is being reproduced via the communication line. A stop request transmitting unit for transmitting a stop request to be caused to stop, and a broadcast receiving unit is configured to start receiving a broadcast again and to reproduce a broadcast by the broadcast reproducing unit.
[0010]
In the second invention, the mobile phone terminal device receives a broadcast transmitted through a communication line, a broadcast receiving unit that receives a digital broadcast, a broadcast reproducing unit that reproduces a digital signal received by the broadcast receiving unit, Communication receiving means, communication moving picture reproducing means for reproducing a moving picture received by the communication receiving means, display means for displaying the video reproduced by the broadcast reproducing means and the communication moving picture reproducing means, and digital broadcast radio wave reception. The broadcast wave reception interruption detecting means for detecting that the broadcast wave cannot be received, the communication wave reception interruption detecting means for detecting that the communication wave cannot be received, and the interruption of the broadcast wave is detected by the broadcast wave reception interruption detecting means. In this case, the communication is interrupted when the broadcast reception is interrupted or when the interruption of the communication radio wave is detected by the communication radio wave reception interruption detecting means. Storage means for storing the time and the program information being watched, communication radio wave reception restart detection means for detecting that communication radio waves can be received again during communication radio wave reception interruption, and communication radio wave reception restart detection. Means for judging that the program viewing has been interrupted from the information stored in the storage means when it is detected that communication can be performed again by the means, and when the program viewing has been interrupted by the judging means. Transmitting means for transmitting the program interruption time and the viewing program information stored in the storage unit, and transmitting the moving information from the part where the broadcast reception is interrupted via the communication line to the transmission information transmitted by the transmitting means. In this case, the broadcast is reproduced by the switching means for switching to the reception, reproduction, and display of the moving image via the communication line.
[0011]
According to a third aspect, a broadcast receiving means for receiving a digital broadcast, a broadcast reproducing means for reproducing a digital signal received by the broadcast receiving means, and a communication receiving means for receiving a moving image distributed via a communication line Communication video playback means for playing back the video received by the communication reception means, display means for displaying the video played back by the broadcast playback means and the communication video playback means, and digital broadcast radio waves cannot be received. A broadcast radio wave reception interruption detecting means for detecting that the radio wave is interrupted, a communication radio wave reception interruption detecting means for detecting that the communication radio wave cannot be received, and a broadcast radio wave interruption is detected by the broadcast radio wave reception interruption detecting means. The time at which the broadcast reception was interrupted or the time at which the communication was interrupted and the Storage means for storing the program information which has been received, communication radio wave reception restart detecting means for detecting that communication radio waves can be received again during communication radio wave reception interruption, and communication again by the communication radio wave reception restart detecting means. Determining that the program viewing has been interrupted based on the information stored in the storage means when detecting that the program viewing can be performed; and storing the program if the program viewing has been interrupted by the determining means. Transmitting means for transmitting the program interruption time and the viewing / listening program information stored in the section, and when a moving image is transmitted from the part where the broadcast reception is interrupted via the communication line to the transmission information transmitted by the transmitting means Switching means for switching between video reception, reproduction and display via a communication line, and detecting that broadcast radio waves can be received again during broadcast radio wave reception interruption. A broadcast radio wave reception restart detecting means, and a moving picture via communication when the broadcast radio wave reception restart detecting means detects that the broadcast radio wave reception can be started again while the broadcast radio wave reception is suspended and the moving picture is being reproduced through the communication line. A stop request transmitting unit for transmitting a stop request for stopping distribution, and a broadcast receiving unit that starts broadcasting reception again and reproduces a broadcast by the broadcast reproducing unit.
[0012]
In the fourth invention, when the broadcast wave reception resume detection means detects that the broadcast wave reception can be started again while the broadcast wave reception is suspended and the moving image is being reproduced via the communication line, the moving image distribution via the communication is performed. A high-speed playback request requesting that the playback speed be higher than usual, and if the playback of the high-speed playback video delivered from the program distribution station catches up with the program transmitted by broadcast radio waves, It is configured to transmit a stop request to stop high-speed moving image distribution and switch to program viewing by broadcast radio waves.
[0013]
In the fifth invention, the program distribution station of the present invention comprises: means for receiving a program by broadcast radio waves; storage means for storing the received program; and reproduction request receiving means for receiving a reproduction request from the mobile phone terminal device. Means for detecting a program transmission start position based on the interruption time information and the viewing program information included in the reproduction request receiving means, identification means for identifying a mobile phone terminal device which has transmitted the reproduction request, and identification means And transmitting means for transmitting the program to the mobile telephone terminal identified in the above.
[0014]
In a sixth aspect, the program distribution station of the present invention is configured to transmit a high-speed reproduction program when receiving a high-speed reproduction request from a mobile phone terminal device.
[0015]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, description will be made based on the drawings showing the embodiments of the present invention. Regarding the drawings for describing the embodiments, common portions are denoted by the same reference numerals.
[0016]
FIG. 1 is a conceptual diagram showing a case where data is distributed from a broadcasting station and a program distribution station to a mobile phone terminal device according to the present invention. , And “via a communication radio wave” is referred to as “moving image”).
[0017]
In FIG. 1, a broadcast station 101 distributes a broadcast program to a mobile phone terminal 105. Further, the program distribution station 102 transmits the content stored in response to a request from the mobile phone terminal 105 to the mobile phone base station 104 via the Internet 103. The mobile phone base station 104 transmits moving image data to the mobile phone terminal 105 via a wireless communication network. The program distribution station 102 is an Internet provider or a personal server connected to the Internet.
[0018]
FIG. 2 is a configuration diagram showing one embodiment of the mobile phone terminal device according to the present invention. In FIG. 2, a CPU 201 is a central processing unit, which controls each of the control units 202 to 209 described later and transmits a request to a program distribution station in accordance with an output detected by the broadcast reception unit 203 or the communication reception unit 204. Judgment is also made. The reproduction unit 202 reproduces a program or moving image data received by the broadcast reception unit 203 or the communication reception unit 204.
[0019]
The broadcast receiving unit 203 also performs broadcast wave reception interruption detection and broadcast wave reception restart detection, and the communication reception unit 204 also performs broadcast wave reception interruption detection and broadcast wave reception restart detection. The communication transmitting unit 205 transmits a reproduction request and a stop request to the program distribution station according to an instruction from the CPU 201.
[0020]
The storage unit 206 is a storage medium such as a RAM (Random Access Memory), a ROM (Read Only Memory), a hard disk, or a Compact Flash, and stores radio wave reception interruption information, interruption time, and program information being viewed. The audio reproduction unit 207 is a speaker, the display unit 208 is a display device such as an LCD (Liquid Crystal Device), and the input unit 209 is a key input unit.
[0021]
Note that the reproducing unit 202 may be divided into a program reproducing unit and a moving image reproducing unit when the compression format of a program transmitted via broadcast radio waves and that of a moving image transmitted via communication radio waves are different.
[0022]
FIG. 3 shows an embodiment of a state transition for performing reception switching in the mobile phone terminal device according to the present invention. The state is a state 301 in which broadcast radio waves can be received, and indicates a state in which broadcast radio waves and communication radio waves can be received. There are three states, 302, in which both reception of broadcast radio waves and reception of communication radio waves are interrupted, and 303, in which reception of broadcast radio waves is interrupted and communication radio waves can be received.
[0023]
A state 301 is a state in which broadcast radio waves are received by a normal mobile phone terminal, a state 302 is a state in which radio waves do not reach in a tunnel or the like, and a state 303 is conceivable in an underground mall, in a subway premises, or in a building. The transition from the state 301 to the state 302 is performed when the interruption of the reception of the broadcast wave is detected. Since the reception of the communication wave is also interrupted, the time when the reception of the broadcast wave was interrupted and the program information being watched are stored in the storage unit. Keep it. The transition from the state 302 to the state 303 is performed when the reception of the communication radio wave is resumed, the stored interruption time and the program information are transmitted to the program distribution station, and the Internet and the mobile phone base station are transmitted from the program distribution station. Start playing the video sent via.
[0024]
In the transition from the state 303 to the state 301, when broadcast wave reception is resumed, transmission of a distribution stop request to the program distribution station and switching to program reproduction using broadcast waves are performed. The transition from the state 301 to the state 303 is performed when only the occurrence of the interruption of the reception of the broadcast wave is detected. The current time at which the reception of the broadcast wave was interrupted and the viewed program information are transmitted to the program distribution station. Then, the reproduction of the moving image transmitted via the mobile phone base station is started. The transition from the state 303 to the state 302 is performed when the interruption of the reception of the communication radio wave is detected, and the time when the reception of the communication radio wave was interrupted and the program information being watched are stored.
[0025]
The transition from the state 302 to the state 301 is performed when the reception of the broadcast wave and the restart of the communication wave reception are detected, and the stored interruption occurrence time and the program information are transmitted to the program distribution station. Then, the reproduction of the moving image transmitted via the mobile phone base station is started.
[0026]
FIG. 4 shows an example of switching between program reproduction by broadcast wave reception and moving image reproduction by communication wave reception in the present invention. Example 401 is a case where switching from program reproduction by broadcast radio wave reception to moving image reproduction by communication radio wave reception is performed without a time delay. In Example 402, a temporary interruption occurs in both the reception of the broadcast radio wave and the reception of the communication radio wave, and after the reception of the communication radio wave is resumed, the moving image is received and viewed from the interrupted position of the program watched by the broadcast radio wave. In this case, it is possible to switch to viewing of a broadcast program at the end of the program or by switching by a viewer.
[0027]
In Example 403, a temporary interruption occurs in both the reception of the broadcast radio wave and the reception of the communication radio wave, and after the reception of the communication radio wave is resumed, the moving image is received and viewed from the position where the program being watched by the broadcast radio wave is interrupted. In order to catch up from the position where the program was interrupted to the position of the program currently being broadcast, high-speed playback of moving images via communication radio waves is performed, and at the stage where it has caught up to the position of the program currently being broadcast, program playback using broadcast waves is started. Then, a stop request is transmitted to the program distribution station.
[0028]
In order to detect that the moving picture being played at high speed has caught up to the position of the program being broadcast, the time stamp information transmitted by the broadcast wave is compared with the time stamp embedded in the moving picture being played at high speed. Further, in order to detect that the moving image being reproduced at high speed has caught up to the position of the program currently being broadcast, a signal for switching to program reception by broadcast radio waves may be added at the program distribution station side. In this case, there is no need to send a stop request from the mobile phone terminal to the program distribution station when switching to program reception by broadcast radio waves.
[0029]
FIG. 5 is a block diagram showing one embodiment of the program distribution station according to the present invention. In FIG. 5, a CPU 501 is a central processing unit, which controls the control units 502 to 507 described below and accumulates a storage unit 502 based on the interruption time and program information included in the reproduction request from the mobile phone terminal received by the communication reception unit 504. Then, the transmission start position of the broadcast program stored in the database unit 506 is detected and the identification information for specifying the mobile phone terminal included in the reproduction request is checked against the registration information registered in the database unit 506.
[0030]
The storage unit 502 stores the broadcast program received from the broadcast reception unit 503, and transmits the stored information via the communication transmission unit 505 in response to a reproduction request from the mobile phone terminal. The conversion unit 507 also determines whether to transmit a request to a program distribution station according to the detected output in which the compression format of the broadcast program and the compression format of the communication program are different.
[0031]
【The invention's effect】
As described above, according to the present invention, even when the broadcast wave is interrupted while the program is being watched by the broadcast wave, switching to the video viewing by the communication wave enables the user to view the program without missing a scene that he / she wants to see even when away from home become.
[Brief description of the drawings]
FIG. 1 is a conceptual diagram showing a case where data is distributed from a broadcasting station and a program distribution station to a mobile phone terminal according to the present invention. FIG. 2 is a configuration diagram showing an embodiment of the mobile phone terminal according to the present invention. FIG. 4 is a diagram showing a state transition in which reception switching is performed in the mobile phone terminal device according to the present invention. FIG. 4 is an example of switching between program reproduction by receiving broadcast radio waves and moving image reproduction by receiving communication radio waves according to the present invention. Configuration diagram showing one embodiment of a program distribution station [Description of reference numerals]
201 CPU
202 Reproduction unit 203 Broadcast reception unit 204 Communication reception unit 205 Communication transmission unit 206 Storage unit 207 Audio reproduction unit 208 Display unit 209 Input unit

Claims

Broadcast receiving means for receiving a digital broadcast, broadcast reproducing means for reproducing a digital signal received by the broadcast receiving means, communication receiving means for receiving a moving image distributed via a communication line, and receiving by the communication receiving means Communication moving image reproducing means for reproducing a moving image, display means for displaying the video reproduced by the broadcast reproducing means and the communication moving image reproducing means, and broadcast wave reception interruption detection for detecting that digital broadcast waves cannot be received Means for transmitting the time when broadcast reception was interrupted and the program information being watched when the interruption of the broadcast wave was detected by the broadcast wave reception interruption detection means, and the transmission information transmitted by the transmission means When a moving image is transmitted from the part where the broadcast reception is interrupted via the communication line, Switching means for switching to display, broadcast wave reception restart detecting means for detecting that broadcast waves can be received again during broadcast wave reception interruption, and broadcasting wave reception interruption and video playback via a communication line. A stop request transmitting unit for transmitting a stop request for stopping the distribution of a moving image via communication when it is detected that the reception of the broadcast wave can be started again by the broadcast wave reception restart detecting unit; and a broadcast reception by the broadcast receiving unit again. A mobile phone terminal device which starts the broadcast and reproduces the broadcast by the broadcast reproducing means.

Broadcast receiving means for receiving a digital broadcast, broadcast reproducing means for reproducing a digital signal received by the broadcast receiving means, communication receiving means for receiving a moving image distributed via a communication line, and receiving by the communication receiving means Communication moving image reproducing means for reproducing moving images; display means for displaying the images reproduced by the broadcast reproducing means and the communication moving image reproducing means; and broadcast wave reception interruption detection for detecting that digital broadcast waves cannot be received Means, a communication radio wave reception interruption detecting means for detecting that the communication radio wave can no longer be received, and a time when the broadcast reception is interrupted when the broadcast radio wave interruption detection means detects the interruption of the broadcast radio wave or the communication time. If the interruption of the communication radio wave is detected by the radio wave reception interruption detecting means, the time when the communication was interrupted and the program information being watched are recorded. Communication means for detecting that communication radio waves can be received again during interruption of communication radio wave reception, and communication radio wave reception restart detection means for performing communication again. Determining that the program viewing has been interrupted based on the information stored in the storage means when detecting the program interruption; and, when the program viewing has been interrupted by the determining means, the program interruption stored in the storage unit. A transmitting unit for transmitting time and viewing program information, and a moving image via a communication line when a moving image is transmitted from a portion where broadcast reception is interrupted via the communication line to the transmission information transmitted by the transmitting unit. A mobile phone terminal device that reproduces a moving image by a switching unit that switches between reception, reproduction, and display.

Broadcast receiving means for receiving a digital broadcast, broadcast reproducing means for reproducing a digital signal received by the broadcast receiving means, communication receiving means for receiving a moving image distributed via a communication line, and receiving by the communication receiving means Communication moving image reproducing means for reproducing a moving image, display means for displaying the video reproduced by the broadcast reproducing means and the communication moving image reproducing means, and broadcast wave reception interruption detection for detecting that digital broadcast waves cannot be received Means, a communication radio wave reception interruption detecting means for detecting that the communication radio wave can no longer be received, and a time when the broadcast reception is interrupted when the broadcast radio wave interruption detection means detects the interruption of the broadcast radio wave or the communication time. If the interruption of the communication radio wave is detected by the radio wave reception interruption detecting means, the time when the communication was interrupted and the program information being watched are recorded. Communication means for detecting that communication radio waves can be received again during interruption of communication radio wave reception, and communication radio wave reception restart detection means for performing communication again. Determining that the program viewing has been interrupted based on the information stored in the storage means when detecting the program interruption; and, when the program viewing has been interrupted by the determining means, the program interruption stored in the storage unit. A transmitting unit for transmitting time and viewing program information; and a moving image via a communication line when a moving image is transmitted from a portion where broadcast reception is interrupted via the communication line to the transmission information transmitted by the transmitting unit. Switching means for switching between reception, reproduction, and display, and broadcast wave reception restart detection for detecting that broadcast waves can be received again during suspension of broadcast wave reception And stopping the distribution of the moving image via the communication when the broadcast wave reception resumption detecting means detects that the reception of the broadcast wave can be started again while the broadcast wave reception is interrupted and the moving image is reproduced via the communication line. A portable telephone terminal device wherein a stop request transmitting means for transmitting a request and a broadcast receiving means for starting to receive a broadcast again and for reproducing a broadcast by the broadcast reproducing means.

4. The mobile phone terminal device according to claim 3, wherein when the reception of the broadcast wave is restarted by the broadcast wave reception resumption detecting means, the reception of the broadcast wave is detected during the suspension of the broadcast wave reception and during the reproduction of the moving image via the communication line. A mobile phone terminal device for transmitting a high-speed reproduction request for requesting that video distribution via the Internet be performed at a higher reproduction speed than usual.

5. The mobile phone terminal device according to claim 1, wherein a message indicating that the broadcast radio wave reception is interrupted is displayed on a screen to notify a user that the broadcast radio wave reception has been interrupted. .

5. The mobile phone terminal device according to claim 1, wherein the user is notified when switching from program viewing using broadcast radio waves to program viewing using communication radio waves or when switching from program viewing using communication radio waves to program viewing using broadcast radio waves. A mobile phone terminal device for displaying a message indicating that the program reception radio wave has been switched on the screen to perform the operation.

5. The mobile phone terminal device according to claim 1, wherein a display indicating that a broadcast is being received is displayed while a program is being viewed on a broadcast radio wave, and a display indicating that a communication is being received is being viewed while the program is being viewed on a communication radio wave. A mobile phone terminal device characterized by the above-mentioned.

5. The portable telephone terminal device according to claim 1, further comprising an input unit, for switching from a program viewing by broadcast radio to a program viewing by communication radio or a case of switching from program viewing by communication radio to program viewing by broadcast radio. A mobile phone terminal device that performs selection display and performs switching by input from input means.

9. The mobile phone terminal device according to claim 1, further comprising an input unit, wherein switching from program viewing by broadcast radio to program viewing by communication radio at an arbitrary timing regardless of the switching selection display by input from the input unit, And a portable telephone terminal device for switching from program viewing using communication radio waves to program viewing using broadcast radio waves.

10. The mobile phone terminal device according to claim 1, wherein identification data for identifying the mobile phone terminal device is added to data to be transmitted, and the data is transmitted.

11. The mobile phone terminal device according to claim 1, further comprising: means for detecting time information transmitted via broadcast radio waves; and time information transmitted by broadcast radio waves included in a program transmitted via communication radio waves. The program is transmitted via the communication radio wave in such a way that the contents of the program actually being broadcast on the broadcast radio wave are tracked later, and the program is transmitted on the broadcast radio wave. When a program is transmitted at a higher reproduction speed than a normal reproduction speed in order to catch up with the program content being broadcast, the time information detecting means catches the program content being broadcast by the broadcast radio wave at the time when the program is viewed by the broadcast radio wave. Transmitting a stop request for requesting to stop program distribution via switching communication.

12. The mobile phone terminal device according to claim 11, further comprising an input unit, wherein it is possible to select whether or not it is necessary to reproduce a program faster than usual.

Means for receiving a program by broadcast radio waves, accumulating means for accumulating the received program, reproduction request receiving means for receiving a reproduction request from a mobile phone terminal, interruption time information and viewing included in the reproduction request receiving means Means for detecting a program transmission start position based on the middle program information, identification means for identifying the mobile telephone terminal device which has transmitted the reproduction request, and transmission for transmitting the program to the mobile telephone terminal identified by the identification means A program distribution station having means.

14. The program distribution station according to claim 13, further comprising means for converting a program format when a program format transmitted by broadcast radio waves and a program format transmitted from the program distribution station are different.

15. The program distribution station according to claim 13, wherein a high-speed reproduction program is transmitted when a high-speed reproduction request is received from a mobile phone terminal device.