JP2007288432A - Television receiver - Google Patents

Television receiver Download PDF

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JP2007288432A
JP2007288432A JP2006112301A JP2006112301A JP2007288432A JP 2007288432 A JP2007288432 A JP 2007288432A JP 2006112301 A JP2006112301 A JP 2006112301A JP 2006112301 A JP2006112301 A JP 2006112301A JP 2007288432 A JP2007288432 A JP 2007288432A
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card
television receiver
image
receiving circuit
control means
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Japanese (ja)
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Koji Seki
孝司 関
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Mitsubishi Electric Corp
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Mitsubishi Electric Corp
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
    • H04N21/462—Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
    • H04N21/4623—Processing of entitlement messages, e.g. ECM [Entitlement Control Message] or EMM [Entitlement Management Message]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/418—External card to be used in combination with the client device, e.g. for conditional access
    • H04N21/4181—External card to be used in combination with the client device, e.g. for conditional access for conditional access
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/426—Internal components of the client ; Characteristics thereof
    • H04N21/42684—Client identification by a unique number or address, e.g. serial number, MAC address, socket ID
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
    • H04N21/4405—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving video stream decryption

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Power Engineering (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To automatically switch to image quality, sound quality, a function or the like desired to be set only in storefront display, by making it discriminable whether a television receiver is in a storefront display state. <P>SOLUTION: The system of the present invention is provided with a means for detecting the ID of a CAS (conditional access system) card, a means for discriminating the type of the card from the ID, and a control means for switching from the image quality, sound quality and specific function of an image-receiving circuit to ones for storefront display, on the basis of the discrimination result, and operates such a specific function which discriminates a storefront display state by discriminating the type of the CAS card, automatically sets image quality and sound quality suitable for storefront display and carries out demonstration for the storefront display. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

この発明は、受信装置の設置場所の明るさや広さといった環境に応じて、自動的に画質や音質などの機能或いは操作機能を切り替えるテレビ受信装置に関するものである。   The present invention relates to a television receiver that automatically switches functions or operation functions such as image quality and sound quality in accordance with the environment such as the brightness and size of the installation location of the receiver.

テレビ受信装置には一般的に、設置場所の明るさや広さといった環境や、テレビ受信装置で受信される映像信号の内容に応じて、映像のコントラストや鮮鋭度、音声の高低音といった、画質や音質を切替える機能が備わっている。従来のテレビ受信装置に於いては、その時の状況に応じて機能切替や画質・音質の調整は使用者がリモコンを用いて手動で行う必要があった。   In general, a television receiver has image quality such as video contrast, sharpness, and high / low sound according to the environment such as the brightness and size of the installation location and the content of the video signal received by the television receiver. It has a function to switch sound quality. In the conventional television receiver, the user has to manually switch the function and adjust the image quality / sound quality according to the situation at that time by using the remote controller.

この改善策として、周囲の明るさを受像装置に備えた明るさセンサーで検知し、この明るさセンサーの検知出力に応じて画面の明るさを自動的に制御するようにしたテレビ受信装置が知られている（例えば、特許文献１参照）。
また、映画・ニュース・音楽などの放送内容のジャンルに応じてユーザが出力映像特性（輝度）または出力音声特性（音量）を設定しておき、受信した放送内容を検知して、そのジャンルに応じた出力映像特性（輝度）または出力音声特性（音量）を自動的に切替えるようにしたテレビ受信装置も知られている（例えば、特許文献２参照）。
特開平１１−３３１７２６号公報 特開平１０−３２２６２２号公報 As a measure to improve this, a television receiver that detects ambient brightness with a brightness sensor provided in the receiver and automatically controls the screen brightness according to the detection output of the brightness sensor is known. (For example, refer to Patent Document 1).
Also, the user sets the output video characteristics (brightness) or output audio characteristics (volume) according to the genre of the broadcast content such as movies, news, music, etc., detects the received broadcast content, and according to the genre There is also known a television receiver that automatically switches output video characteristics (luminance) or output audio characteristics (volume) (see, for example, Patent Document 2).
JP-A-11-331726 Japanese Patent Laid-Open No. 10-322622

しかしながら、上記従来例に於いては、使用場所が店頭であるといった、展示状況を検知する機能は備えておらず、店頭展示でのみ設定したい画質・音質を設定することは不可能であった。ここで言う店頭展示状態とは、一般家庭の環境に比べ非常に光量が多く、また広いスペースである事が多い。このような店頭の明るく広い場所に適した画質・音質を自動的に設定したり、店頭展示状態でのみ働かせたい機能をオンにすることは、従来はできなかった。
また地上デジタル放送や衛星デジタル放送では、ユーザと放送局を結ぶＩＣカードであるＣＡＳ（Ｃｏｎｄｉｔｉｏｎａｌ Ａｃｃｅｓｓ Ｓｙｓｔｅｍ＝限定受信システム）カードを受信装置に挿入しないと、正常に放送サービスを受けられないようになっている。このＣＡＳカードにはユーザ独自の番号（ＩＤ）が登録されているものの、今までは単なる放送サービスのためにしか利用されていない。 However, in the above conventional example, there is no function for detecting the display status such that the place of use is a storefront, and it is impossible to set the image quality / sound quality desired to be set only at the storefront display. The store display state referred to here is much more light than a general household environment and is often a large space. Conventionally, it has not been possible to automatically set image quality and sound quality suitable for bright and wide storefronts, or to turn on functions that only work in storefront display conditions.
Also, in digital terrestrial broadcasting and satellite digital broadcasting, a broadcast service cannot be normally received unless a CAS (Conditional Access System) card, which is an IC card connecting a user and a broadcasting station, is inserted into the receiving device. ing. Although this CAS card has a user-specific number (ID) registered, it has been used only for broadcasting services so far.

この発明の目的は、テレビ受信装置が店頭展示状態であるかどうかを、ＣＡＳカードを利用して判別できるようにすることにより、店頭展示でのみ設定したい画質・音質或いは機能などを自動的に切り替えできるようにしたものである。
なおこの発明で説明するテレビ受信装置とは、放送電波を受信して映像を表示するものに限らず、チューナを備えないでＤＶＤなどの記録媒体に録画されたコンテンツを映像する受信装置も含むもので、要するに信号を受信して映像を表示するものはすべて含むものである。 The object of the present invention is to automatically switch the image quality / sound quality or function to be set only in the store display by making it possible to determine whether or not the television receiver is in the store display state using a CAS card. It is something that can be done.
Note that the television receiver described in the present invention is not limited to the one that receives broadcast radio waves and displays video, but also includes a receiver that does not include a tuner and displays content recorded on a recording medium such as a DVD. In short, it includes everything that receives a signal and displays an image.

この発明のテレビ受信装置は、ＣＡＳカードのＩＤを検出するＩＤ検出手段と、このＩＤ検出手段からの検出結果を入力し、ＣＡＳカードの種類を判別する判別手段と、この判別手段による判別結果を基に受像回路の機能を切り替える制御手段とを備えたものである。   The television receiver according to the present invention includes an ID detection means for detecting the ID of the CAS card, a detection means for inputting the detection result from the ID detection means, and for determining the type of the CAS card, and a determination result by the determination means. And a control means for switching the function of the image receiving circuit.

この発明は、ＣＡＳカードを用いて簡単に店頭展示状態を判別することを可能としたので、店頭の明るく広い場所に適した画質・音質を自動的に設定したり、店頭展示状態でのみ働かせたい機能をオンにすることができる、という効果がある。   Since the present invention makes it possible to easily determine the store display state using a CAS card, it is desirable to automatically set image quality and sound quality suitable for bright and wide store locations, or to work only in the store display state. There is an effect that the function can be turned on.

実施の形態１
図１はこの発明の実施の形態１を示す構成図であって、ＣＡＳカードのＩＤを検出するＩＤ検出手段１と、ＩＤ検出手段１からのＩＤ検出の結果を以ってＣＡＳカードが店頭展示テレビ専用のカードか一般視聴用のカードかを判別するカード判別手段２と、ＣＡＳカードの種類を判別した結果を基にメモリ５に記憶されている画質や音質、あるいは付加機能の状態を切替える制御手段３と、制御手段３により切替えられた機能の結果を出力する受像回路４を備えている。 Embodiment 1
FIG. 1 is a block diagram showing Embodiment 1 of the present invention. An ID detection means 1 for detecting an ID of a CAS card and a result of ID detection from the ID detection means 1 show a CAS card at a store display. Card discriminating means 2 for discriminating whether the card is for TV or general viewing, and control for switching the image quality and sound quality stored in the memory 5 or the state of the additional function based on the result of discriminating the type of CAS card Means 3 and an image receiving circuit 4 for outputting the result of the function switched by the control means 3 are provided.

この図１において、ＩＤ検出手段１は、例えばテレビ受信装置に備えられたカードスロットと、カードスロットを介して得られるＣＡＳカードのＩＤ情報を読み取る機能と、ＩＤ情報をカード判別手段２に伝送する機能とを有する。このＩＤ検出手段１より伝送されたＣＡＳカードのＩＤ情報は、カード判別手段２にて受信されるが、カード判別手段２はマイコンを備えており、ＩＤ検出手段１で検出され伝送されてきたＩＤ情報を、マイコンが元々蓄えていたＩＤ情報の番号体系情報と比較参照することで、そのＩＤ情報を持つＣＡＳカードが店頭展示テレビ専用カードか一般視聴用のカードかを判別することができる。   In FIG. 1, an ID detection unit 1 transmits, for example, a card slot provided in a television receiver, a function of reading ID information of a CAS card obtained through the card slot, and the ID information to the card determination unit 2. With functions. The ID information of the CAS card transmitted from the ID detector 1 is received by the card discriminator 2, but the card discriminator 2 includes a microcomputer, and the ID detected and transmitted by the ID detector 1 is transmitted. By comparing the information with the number system information of the ID information originally stored by the microcomputer, it is possible to determine whether the CAS card having the ID information is a store-exhibiting TV dedicated card or a general viewing card.

制御手段３は、カード判別手段２にて判別されたカードの種類の結果を基に、店頭展示テレビ専用カードだった場合は店頭展示に適した画質・音質を自動的に設定できるよう、メモリ５からそのデータを読み出し、受像回路４の画質または音質の状態を切替える。
メモリ５は、一般視聴用データ５１と店頭展示用データ５２とを有しており、一般視聴用データ５１には、映画やニュースや音楽などの番組放送内容別に、リビングや寝室などの居室に適した輝度・色合いや音量・音質が設定されて記憶されている。また店頭展示用データ５２には、一般視聴用データ５１よりも輝度を上げ色合いを濃くした画質のデータが、また高音や低音を聞き取り易い音質にしたデータが設定されて記憶されている。
ここで店頭展示状態とは、一般家庭の環境に比べ非常に光量が多く、また広いスペースである事が多い。テレビの様な受信装置の場合、明るい環境下では画面の輝度を上げたり色合いを濃くする事で、より視聴者に画質の良さを訴求する事ができる。また、高音や低音を広いスペースで聞き取り易い音質にイコライジングする事で、音質の良さを訴求する事ができる。
従って、店頭展示状態である事を判別した時点で、家庭での一般視聴時には適さずとも店頭展示では視聴者への訴求力のある、極めて明るく聞き取り易い画質・音質に設定してやる事ができる。 Based on the result of the card type discriminated by the card discriminating means 2, the control means 3 can automatically set the image quality / sound quality suitable for store display when the card is for store display TV. Then, the data is read out and the image quality or sound quality state of the image receiving circuit 4 is switched.
The memory 5 includes general viewing data 51 and store display data 52. The general viewing data 51 is suitable for a room such as a living room or a bedroom according to program broadcast contents such as movies, news, and music. Brightness, hue, volume, and sound quality are set and stored. In addition, store display data 52 stores data with image quality that is higher in brightness and color than general viewing data 51, and data that makes it easier to hear high and low sounds.
Here, the storefront display state has much more light than a general household environment and is often a large space. In the case of a receiving device such as a television, it is possible to appeal the viewer to better image quality by increasing the screen brightness or increasing the color tone in a bright environment. In addition, by equalizing high and low tones that are easy to hear in a wide space, it is possible to appeal the good sound quality.
Therefore, when it is determined that the store is in the store display state, it is possible to set the image quality / sound quality that is appealing to the viewer and is very bright and easy to hear in the store display even if it is not suitable for general viewing at home.

また、テレビの様な受信装置の場合、予め映像の内容や視聴環境に応じて画質や音質をワンタッチで切替えられる様、映像モードを持っている事が多い。映像の輝度や色合い、音質の高低音のイコライジングを例えばハイブライトモード、スタンダードモード、シネマモードといった名称で複数プリセットしておき、ワンタッチで切替えるようにしたものである。
この発明の店頭展示用データ５２には、このような映像モードに店頭展示モードと称した店頭展示状態専用の明るい画質・聞き易い音質のモードを用意しておき、そのモードに切替えるようにしてもよい。 In addition, a receiving device such as a television often has a video mode so that the image quality and sound quality can be switched in advance with one touch according to the content of the video and the viewing environment. A plurality of preset equalizations of the brightness and color of the video, and the high and low tones of the sound quality, for example, with names such as the high-bright mode, standard mode, and cinema mode, are switched with one touch.
In the store display data 52 of the present invention, a bright image quality / easy sound quality mode dedicated to the store display state referred to as the store display mode is prepared in such a video mode, and the mode is switched to that mode. Good.

図２はこの発明の実施の形態１における制御を簡便に説明するフローチャートである。まずステップＳ１０１では、ＩＤ検出手段１で検出されたＣＡＳカードのＩＤをカード判別手段２にて受信する。ステップＳ１０２では、カード判別手段２が受信の結果、ＩＤの情報が取得できたかどうか判断する。ＩＤ情報が取得できていればステップＳ１０３に進み、ＩＤ情報が取得できていなければステップＳ１０１に戻る。ステップＳ１０３では、カード判別手段２はそのＩＤ情報が店頭展示専用カードのものかどうかを判別する。その結果、店頭展示専用カードのものであった場合は、ステップＳ１０４に進む。店頭展示専用のカードでなく、一般視聴用カードであった場合はそのままＥＮＤで終わる。ステップＳ１０４では、制御手段３はメモリ５の店頭展示用データ５２から映像モード若しくは画質・音質の調整などを店頭展示専用のものに切替えて読み出す。ステップＳ１０５では、メモリ５から読み出した店頭展示専用の画質・音質などを受像回路４に出力する。こうして受像回路４は、明るくスペースの広い店頭展示では、視聴者への訴求力のある、極めて明るく聞き取り易い画質・音質で放送することができる。   FIG. 2 is a flowchart for simply explaining the control in the first embodiment of the present invention. First, in step S101, the card identification unit 2 receives the CAS card ID detected by the ID detection unit 1. In step S102, the card determination means 2 determines whether or not ID information has been acquired as a result of reception. If ID information has been acquired, the process proceeds to step S103. If ID information has not been acquired, the process returns to step S101. In step S103, the card discriminating means 2 discriminates whether or not the ID information is for the store display card. As a result, if the card is for the storefront display card, the process proceeds to step S104. If the card is not for store display but a general viewing card, it ends with END. In step S104, the control means 3 reads out the video mode or the image quality / sound quality adjustment from the store display data 52 in the memory 5 to a store display dedicated one. In step S <b> 105, the image quality / sound quality dedicated to store display read out from the memory 5 is output to the image receiving circuit 4. In this way, the image receiving circuit 4 can broadcast at a bright and wide storefront display with an image quality and sound quality that is appealing to viewers and is very bright and easy to hear.

実施の形態２
図３はこの発明の実施の形態２を示す構成図で、実施の形態１の構成に店頭展示用デモコンテンツ５３をメモリ５に追加したものである。その他の構成は図１に示す実施の形態１と同様につき、その説明を省略する。
このように店頭でのみ放映する事を前提とした、動画や静止画の店頭展示用デモコンテンツ５３を予め受信装置に内蔵させておけば、制御手段３によって店頭展示時のみデモコンテンツを放映する事で、より店頭で視聴者に対し当該受信装置の機能をアピールできる。この様なデモ機能は、一般視聴用カードが受信装置に差された場合は、制御手段３によって動作不可とされるので、家庭での一般視聴時に不用意に動作する事は無い。
この実施の形態２は、受信装置に店頭展示用データ５２と店頭展示用デモコンテンツ５３の両方が内蔵される構成にしたが、この構成の場合、店頭展示専用カードを検出した場合、制御手段３が店頭展示用データ５２に切替えるか店頭展示用デモコンテンツ５３に切替えるかを予め決めておくスイッチが別に必要となる。したがって店頭展示用データ５２に代えて店頭展示用デモコンテンツ５３を設けるように構成にすれば、即ち、店頭展示用デモコンテンツ５３のみ設ける構成にすれば、スイッチも不要で、構成も簡単になる。
またテレビの様な受信装置の場合、機能や画質・音質を切替える手段として、受像回路４の画面上に表示しユーザーがリモコンで操作できる、オンスクリーンメニューを持っていることが多い。この実施の形態２において、店頭展示専用カードを検出した場合のみ、メニュー上に店頭展示用データの反映や店頭展示用デモコンテンツの表示のＯＮ／ＯＦＦを切替えるメニュー項目を表示させ、データの反映やデモコンテンツ表示をさせるかどうかを任意に選ぶようにしてもよい。このようにすれば、店頭展示専用カードが挿入されている際に、店頭展示用データを反映させるか否か、デモコンテンツの表示をさせるか否かといった選択を、その場の状況に応じて任意に決定できる。 Embodiment 2
FIG. 3 is a configuration diagram showing the second embodiment of the present invention, in which store-front display demo content 53 is added to the memory 5 in the configuration of the first embodiment. Other configurations are the same as those of the first embodiment shown in FIG.
In this way, if the demo content 53 for store display of moving images and still images is preliminarily incorporated in the receiving device on the premise that it is broadcast only at the store, the demo content can be broadcast only at the store display by the control means 3. Thus, the function of the receiving device can be appealed to the viewer at the store. Such a demo function is disabled by the control means 3 when a general viewing card is inserted into the receiving device, so that it does not inadvertently operate during general viewing at home.
In the second embodiment, both the store display data 52 and the store display demo content 53 are built in the receiving device. In this configuration, when the store display dedicated card is detected, the control means 3 Is separately required to determine whether to switch to store display data 52 or store display demo content 53. Accordingly, if the store display demo content 53 is provided in place of the store display data 52, that is, if only the store display demo content 53 is provided, a switch is unnecessary and the configuration is simplified.
In addition, a receiving apparatus such as a television often has an on-screen menu that is displayed on the screen of the image receiving circuit 4 and can be operated by a remote controller as a means for switching functions, image quality, and sound quality. In the second embodiment, only when a storefront display card is detected, a menu item for switching ON / OFF of the display of storefront display data or the display of storefront demonstration content is displayed on the menu to reflect the data. Whether or not to display the demo contents may be arbitrarily selected. In this way, when a store-only display card is inserted, it is possible to select whether to display store display data or display demo contents, depending on the situation at hand. Can be determined.

実施の形態３
図４はこの発明の実施の形態３を示す構成図で、実施の形態１の構成にタイマ回路６を設けたものである。その他の構成は図１に示す実施の形態１と同様につき、その説明を省略する。
このタイマ回路６は、受像回路４の画質や音質が手動で調整されたとしても、ＣＡＳカードが店頭展示用カードと検出されている場合は、手動で調整されたことを検出してスタートし、所定時間後には店頭展示用データ５２に設定されている値の画質や音質に戻すようにしたものである。
このように店頭展示状態と判別された場合のみ、画質や音質の調整項目の調整値を一定時間でデフォルト値に戻す機能を持たせておけば、店頭展示にて画質や音質を故意に悪い状態に調整される事があっても、一定時間後には元の、視聴者にアピールできる画質や音質に戻す事ができる。これによって、店頭展示にて悪い画質や音質の状態がずっと続く事を阻止できる。
また、画質や音質の調整項目の調整値を一定時間でデフォルト値に戻す以外に、受信装置の向きが視聴者によって変更された場合も、店頭展示状態と判別された場合は、所定時間後に受信装置の向きを初期状態に戻すようにしてもよい。 Embodiment 3
FIG. 4 is a block diagram showing a third embodiment of the present invention, in which a timer circuit 6 is provided in the configuration of the first embodiment. Other configurations are the same as those of the first embodiment shown in FIG.
Even if the image quality and sound quality of the image receiving circuit 4 are manually adjusted, the timer circuit 6 detects that the CAS card is detected as a storefront display card and starts by detecting that the CAS card has been manually adjusted. After a predetermined time, the image quality and sound quality of the values set in the storefront display data 52 are restored.
In this way, if it is determined that the display condition is in the storefront state, the image quality and sound quality will be intentionally deteriorated at the storefront display by providing a function to return the adjustment values of the image quality and sound quality adjustment items to the default values for a certain period of time. Even if it is adjusted, the image quality and sound quality that can appeal to the viewer after a certain time can be restored. As a result, it is possible to prevent the bad image quality and sound quality from continuing at the store display.
In addition to returning the adjustment values of the image quality and sound quality adjustment items to the default values for a certain period of time, if the orientation of the receiving device is changed by the viewer, it is also received after a predetermined time if it is determined that the store display state. You may make it return the direction of an apparatus to an initial state.

実施の形態４
以上は受像回路４の画質・音質を切替えることや受像回路４で表示される内容をデモコンテンツに切替えることについて説明したが、この発明の実施の形態４は受信装置に店頭展示状態の時には動かして欲しくない機能があった場合、店頭展示状態と判別された場合のみ、当該の機能を動かない様にしたものである。即ち、制御手段３が店頭展示用データ５２あるいは店頭展示用デモコンテンツ５３に切替えた後は、受像回路４が有する機能の少なくとも一部が操作不可能になるよう、メモリ５にその機能停止設定をしたものである。
例えば、テレビの様な受信装置では内部にモーターを内臓し、視聴者がリモコンを使って受信装置の向きを自在に変える機能を持つ場合があるが、店頭で受信装置の向きが変わっては危険な場合、店頭展示状態の判別を以って本機能を動かないようにする。
また視聴者がリモコンを使って受信装置の向きを変えようとした場合、ＣＡＳカードが店頭展示用カードと検出されている時には、受像回路４の表示画面に「ありがとうございます。現在この機能は使用できません。店員にお尋ねください。」というテロップを出したりすることも出来る。このようにＣＡＳカードの種類によって、リモコンのキーに対応する受信装置側の動作を変更するようにしてもよい。 Embodiment 4
The above describes switching the image quality / sound quality of the image receiving circuit 4 and switching the contents displayed on the image receiving circuit 4 to demo contents. However, the fourth embodiment of the present invention moves the receiving apparatus to the store display state. When there is a function that is not desired, the function is prevented from moving only when it is determined that the store is in the store display state. That is, after the control means 3 switches to the store display data 52 or the store display demo content 53, the function stop setting is set in the memory 5 so that at least a part of the functions of the image receiving circuit 4 cannot be operated. It is a thing.
For example, a receiving device such as a TV may have a function that allows the viewer to freely change the orientation of the receiving device using a remote control, but it is dangerous if the orientation of the receiving device changes at the store. In this case, the function is not operated by determining the store display state.
Also, if the viewer tries to change the direction of the receiver using the remote control, when the CAS card is detected as a storefront display card, “Thank you. This function is currently used. You can also send a telop that says "I can't, please ask the store clerk". In this way, the operation on the receiving apparatus side corresponding to the keys on the remote controller may be changed depending on the type of CAS card.

実施の形態５
この発明の実施の形態５は、受信装置に店頭展示状態の時には特定のコンテンツを放映させたくない場合、店頭展示状態と判別された場合のみ、予め指定した特定のコンテンツを流せなくするよう、図１、図３、図４のメモリ５に設定するようにしたものである。
例えば、デジタルテレビの様な受信装置では番組のコンテンツ情報を取得する事が可能である。よって、受信した番組のコンテンツ情報がアダルトコンテンツであった場合、店頭展示状態では放映を取り止めるといったことを行う。 Embodiment 5
In the fifth embodiment of the present invention, when it is not desired to broadcast the specific content when the receiving apparatus is in the storefront display state, the specific content specified in advance is not allowed to flow only when it is determined that the store display state. 1, 3 and 4 are set in the memory 5.
For example, a receiving apparatus such as a digital television can acquire program content information. Therefore, when the content information of the received program is an adult content, the broadcast is stopped in the store display state.

実施の形態６
以上説明した実施の形態１乃至３では、メモリ５に一般視聴用のデータ５１を設けた例を説明したが、この発明のテレビ受信装置が店頭展示用だけに使用される場合は、この一般視聴用のデータ５１は省略することも可能である。 Embodiment 6
In the first to third embodiments described above, the example in which the data 51 for general viewing is provided in the memory 5 has been described. However, when the television receiver of the present invention is used only for store display, this general viewing is performed. The data 51 for use can be omitted.

この発明の実施の形態１を示す構成図である。It is a block diagram which shows Embodiment 1 of this invention. この発明の実施の形態１の動作を示すフローチャートである。It is a flowchart which shows operation | movement of Embodiment 1 of this invention. この発明の実施の形態２を示す構成図である。It is a block diagram which shows Embodiment 2 of this invention. この発明の実施の形態３を示す構成図である。It is a block diagram which shows Embodiment 3 of this invention.

符号の説明Explanation of symbols

１：ＩＤ検出手段
２：カード判別手段
３：制御手段
４：受像回路
５：メモリ ５２：店頭展示用データ ５３：店頭展示用デモコンテンツ
６：タイマ回路 1: ID detection means 2: Card discrimination means 3: Control means 4: Image receiving circuit 5: Memory 52: Store display data 53: Store display demo content 6: Timer circuit

Claims (7)

限定受信システム（以下、ＣＡＳという）カードのＩＤを検出するＩＤ検出手段と、このＩＤ検出手段からの検出結果を入力し、ＣＡＳカードの種類を判別する判別手段と、この判別手段による判別結果を基に受像回路の機能を切り替える制御手段とを備えたテレビ受信装置。   An ID detection means for detecting an ID of a conditional access system (hereinafter referred to as CAS) card, a detection means for inputting a detection result from the ID detection means, a determination means for determining the type of the CAS card, and a determination result by the determination means And a control means for switching the function of the image receiving circuit based on the television receiver. 制御手段は、判別結果を基に受像回路の画質または音質の状態を切り替えることを特徴とする請求項１に記載のテレビ受信装置。   2. The television receiver according to claim 1, wherein the control means switches the image quality or sound quality state of the image receiving circuit based on the determination result. 制御手段は、判別結果を基に受像回路で表示される画像を動画や静止画のデモコンテンツに切り替えることを特徴とする請求項１に記載のテレビ受信装置。   2. The television receiver according to claim 1, wherein the control means switches the image displayed on the image receiving circuit to a moving image or a still image demo content based on the determination result. 判別手段は、ＣＡＳカードの種類が店頭展示用カードか一般視聴用カードかを判別するようにしたことを特徴とする請求項１乃至請求項３のいずれか１つに記載のテレビ受信装置。   4. The television receiver according to claim 1, wherein the determination means determines whether the type of CAS card is a storefront display card or a general viewing card. 制御手段は、判別手段の判別結果に基づき、所定時間後に機能設定を初期状態に戻すようにしたことを特徴とする請求項４に記載のテレビ受信装置。   5. The television receiver according to claim 4, wherein the control means returns the function setting to the initial state after a predetermined time based on the determination result of the determination means. 制御手段は、判別手段の判別結果に基づき、受像回路が有する機能の少なくとも一部が操作不可能になるようにしたことを特徴とする請求項４に記載のテレビ受信装置。   5. The television receiver according to claim 4, wherein the control unit is configured to make at least a part of the functions of the image receiving circuit inoperable based on the determination result of the determination unit. 制御手段は、予め指定した特定のコンテンツが受像回路から表示されないようにしたことを特徴とする請求項４に記載のテレビ受信装置。   5. The television receiver according to claim 4, wherein the control means prevents the specific content designated in advance from being displayed from the image receiving circuit.
JP2006112301A 2006-04-14 2006-04-14 Television receiver Pending JP2007288432A (en)

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