JP5473806B2 - テレビ信号の受信器の改良 - Google Patents
テレビ信号の受信器の改良 Download PDFInfo
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- JP5473806B2 JP5473806B2 JP2010153971A JP2010153971A JP5473806B2 JP 5473806 B2 JP5473806 B2 JP 5473806B2 JP 2010153971 A JP2010153971 A JP 2010153971A JP 2010153971 A JP2010153971 A JP 2010153971A JP 5473806 B2 JP5473806 B2 JP 5473806B2
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Description
チャネルで送信される単一のテレビ・サービス(たとえばSKY ONE、SKY SPORTS、SKY MOVIES)から成る。しかし、ディジタル放送技術の使用が差し迫っている。ディジタル放送技術では、テレビ局は単一のチャネルで鮮明度の高いテレビ番組、従来の鮮明度で複数の番組、または複数の顧客サービス、あるいはその組合せを送信することができる。
次に添付図面の第4図を参照すると、遠隔制御装置28は、スキャナ61によって走査されるキーパッド60を備える。視聴者によるキーの操作に応答して、スキャナ61は、視聴者が選択したキーを表すコードを、プロセッサ62に出力する。プロセッサ62は、スキャナ61からのコードにプロセッサ62が応答する方法を規定する番組データを含むメモリ63に、このデータを関連づける。プロセッサ62は、第1図に示すシステムのTV、デコーダ3およびVCR5に信号を送信するため、たとえば赤外線発光ダイオード(図示せず)などを含むコマンド送信器64を制御するよう、これに接続される。送信器が送信するコードを規定するデータは、メモリ63に記憶される。メモリ63は、任意の市場(たとえば英国市場)で入手可能なテレビの大多数に合うコードを含み、したがって「汎用」遠隔制御装置と言うことができる。視聴者は、多数の周知の方法のいずれかで、メモリ63から適切なコードを選択することができるので、それについては本明細書ではこれ以上詳述しない。
衛星放送用ディッシュアンテナ4を介して受信するチャネルのディジタル信号は、システム1が衛星構成にある場合は、視聴者の制御によりTV2上に表示できる番組スケジュール情報を含む。つまり、デコーダ3は、遠隔制御装置28によって制御し、インテリジェント電子番組ガイド(IEPG)として動作して、TVに番組スケジュール、顧客サービスなどに関する情報を表示させることができる。
デコーダ3は、デコーダのメモリ25ないし27に記憶された情報、テレビ・チャネルでビデオとともに送信される情報、および専用IEPGチャネルで送信される情報に基づき、幾つかの機能を提供する。デコーダが提供する機能を、以下のように別々の標題で述べる。
各チャネルのデータは、たとえばDVB/MPEG−2標準などにより圧縮された形式であることが予想される。DVBによって、ビデオ・データと他のデータの両方を単一のチャネルで結合することができる。チャネルへのアクセスの制御に使用する上記の操作データ43(第3図参照)に加えて、チャネル内のデータは、いくつかのチャネルの番組のスケジューリングをスケジューリング事象として定義する、簡潔な番組スケジューリング・データを含むことができる。
デコーダのプロセッサ23は、番組リスト、ペイパービュー・サービス、およびその他の顧客および対話式サービスに関連する情報をTV2の画面に表示できる、インテリジェント電子番組ガイド(IEPG)で動作するよう構成されている。デコーダは、遠隔制御装置のキーパッドのTVガイド、ボックス・オフィス、顧客サービスまたは対話型サービスのキー77ないし80のいずれか1つを選択すると、それに応答してIEPGモードに入るよう構成されている。TVガイド・キー77を選択すると、デコーダは最初にTV2にデータを出力し、添付図面の第9図で示すような2つの選択肢のパネル113および114から成るIEPG画面を表す。左手側パネル113は、遠隔制御装置のキーパッド60にあるキー77ないし80に対応する選択肢を含み、「TVガイド」記号を囲む二重線で示すように、「TVガイド」とマークされたボックス115が強調表示されていることが分かる。実際には、ボックス115は、たとえばボックスの形状やサイズを変更したり、ボックスの輝度を上げたり、ボックスの色を変更したりすることによって強調表示される。視聴者が他のボタン78ないし80のいずれかを選択した場合は、他のボックス116ないし118のうち対応するボックスが最初に強調表示される。ボックス115ないし118は、視聴者にその機能が選択できることを思い出させる働きをする。視聴者はキーパッド60のキー77ないし80または上下のキー72a、72bを操作することによって、ボックス間を移動することができる。
番組は、たとえば時刻115、タイトル116、映画117、スポーツ118、子供番組119、ドキュメンタリー120、ホームドラマ121またはホット・ショー122など、カテゴリー別にリストすることができる。さらに、カスタム・チャネル123(以下で述べる)に入れた番組のリストを表示することができる。視聴者は、TVガイドを選択し、遠隔制御装置の上下のキー72a、72bにより、パネル114で利用可能な選択肢をスクロールし、選択キー81を操作することによって所望のフォーマットのリストを選択することができる。
幾つかのチャネルで利用可能なテレビ番組の表示リストに加えて、プロセッサは宣伝用ビデオ・クリップのモザイクをTV2の画面上に同時に表示するよう構成される。ディジタル技術の利用で可能になった高帯域幅により、1つのチャネルを宣伝用チャネルとして使用することが可能になり、費用効果もよくなった。宣伝用チャネルはIEPGでしかアクセスできず、これによって視聴者は近い将来の宣伝を調べ、IEPGの宣伝用チャネルで宣伝された番組を見るよう選択することができる。
ボックス・オフィス機能は、幾つかの異なる方法でアクセスすることができる。1つの方法は、既に述べたように、視聴者が宣伝用番組モザイクからセルを選択することである。ボックス・オフィス機能に入る別の方法は、視聴者がTVガイドからペイパービュー番組を選択することである。
各チャネルで搬送される情報は、適切な時刻に視聴者の選択した事象に切り換えるようデコーダ3をプログラムすることができるよう、プロセッサ23へのデータを含む。したがって、プロセッサ23は、視聴者の制御の下で、視聴者が表示されたTVガイドでモザイクまたはボックス・オフィス表示から、または簡潔なスケジューリング情報のサーフおよびサーチから予め選択してあった一連の番組または事象から成る、いわゆるカスタム・のチャネルを生成することができる。つまり、カスタム・チャネルとは、視聴者が自分の計画した視聴スケジュールに従ってプログラムした仮想チャネルである。
スマート・カードを設けると、すべてのデコーダを一意に識別することができる。圧縮ディジタル信号の大きいデータ搬送能力に鑑みると、TVサービス会社は個人的メッセージを個々の加入者に送信することができる。従来通りのEメール・システムでは、メッセージの受信は電話線に接続された宛先によって決まる。スマート・カードでEメール・タイプのメッセージを衛星放送用デコーダに送信すると、この弱点がない。電力供給がデコーダから物理的に除去されない限り、デコーダは通常はスイッチがOFF状態になっている。デコーダは、視聴者がスイッチをOFFにすると、待機モードに入るよう設計されている。待機モードでも、デコーダは衛星放送用ディッシュアンテナを介して信号を受信することができる。
コーダ手段に含めることも可能である。
モデム32をデコーダ3内に設けると、視聴者との対話型サービスが可能になる。このアプリケーションの1つによって、視聴者は遠隔制御装置28のキーを押して、ゲーム・ショーの進行に投票することができる。対話型モードでは、プロセッサ23は、遠隔制御装置からの信号に応答して、モデム32を介して適切なデータを中央の投票ステーションに送信するよう構成されている。ゲームとの対話方法に関する指示を表すデータ(つまり、遠隔制御装置で押すべきキー)およびプロセッサ23へのコマンドは、ビデオ・データ付きの情報データとして送信される。情報データは、プロセッサ23によって復号され、これは適宜コマンドに反応し(つまり視聴者がゲームに酸化したい場合は、モデムを電話番号に接続し)、TV2の画面にゲーム・プログラムとともに表示するよう、ゲームの指示も出力する。
Claims (6)
- 複数のチャネルで複数のテレビ番組を定義するテレビ信号を受信する受信器であって、該受信器は、複数の信号チャネルで利用可能な複数のテレビ番組を表す複数のビデオ・クリップを定義する出力信号を再生し、出力信号は、テレビ画面の複数の異なる領域に該複数のクリップを表示する出力であり、該受信器は、表示されたクリップから1つを選択するよう使用者が操作可能なセレクタを備え、該使用者の選択に応答して、番組をテレビ画面に表示するための対応するチャネルで該番組が送信されるときには該受信器にテレビ信号を受信させるよう、該複数のビデオ・クリップのうちの該選択された1つについて視聴データを記憶することを特徴とする受信器。
- 請求項1に記載の受信器において、複数のチャネルのうち1つは、複数のビデオ・クリップのビデオと情報データとからなり、ビデオ・クリップの各々は、視聴可能な、又は視聴可能とすることができるそれぞれの番組を表すことを特徴とする受信器。
- 請求項2に記載の受信器であって、さらにセレクタの操作に応答して、スケジューリングされた時刻に選択されたビデオ・クリップのビデオ・データがチャネルで送信されるときには、該選択されたビデオ・クリップに関連する番組を視聴することができるよう、該選択されたビデオ・クリップの視聴データをメモリに記憶するように構成されたプロセッサを備えることを特徴とする受信器。
- 請求項2に記載の受信器において、該複数のビデオ・クリップのうちの選択された1つのビデオ・クリップのスケジューリング情報を表す信号がテレビ画面に表示するために出力されるように、該複数のビデオ・クリップのうちの該選択された1つのビデオ・クリップを表すデコーダ信号がテレビ画面に表示するために出力され、情報データが処理されることを特徴とする受信器。
- 請求項4に記載の受信器において、さらなるセレクタ操作によって視聴データが記憶され、スケジューリングされた時刻に該選択されたビデオ・クリップのビデオ・データがチャネルで送信されるときには、該クリップが表す番組を視聴することができることを特徴とする受信器。
- 請求項1又は3に記載の受信器において、カスタム・チャネル・データを定義できるように視聴データが記憶され、該受信器が、セレクタの操作に応じて、該カスタム・チャネル・データに従って動作するように構成されることを特徴とする受信器。
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GB9519651.5 | 1995-09-27 | ||
GBGB9519651.5A GB9519651D0 (en) | 1995-09-27 | 1995-09-27 | Television receiver decoders and systems |
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JP2007015132A Division JP4837581B2 (ja) | 1995-05-22 | 2007-01-25 | テレビ信号の受信器の改良 |
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JP2010153971A Expired - Lifetime JP5473806B2 (ja) | 1995-05-22 | 2010-07-06 | テレビ信号の受信器の改良 |
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