【発明の詳細な説明】〔産業上の利用分野〕この発明は、視聴者とテレビジョンとの視距離に応じて
映像を自動的にコントロールし、視距離を画面表示でき
るようにしたテレビジョン受像機に関するものである。[Detailed Description of the Invention] [Industrial Application Field] This invention provides a television receiver that automatically controls images according to the viewing distance between the viewer and the television, and displays the viewing distance on the screen. It's about machines.
従来から一般的にテレビジョンを視聴する距離はテレビ
画面の垂直高さの約７倍を標準とし、テレビジョン放送
方式および受像機の画質が決められていた。上記のテレ
ビジョンを視聴する距離は、一般家庭で得られる一般的
な視距離と、その時にテレビジョンの走査線が見えな（
なる位置として得られたものである。しかしながら、テ
レビジョンの楽しみ方として迫力を追求すると、視野角
をもっと大きくとることが必要で、そのときはテレビ画
面の大きさを大型化するか、あるいはテレビ画面に近づ
いて見ることが必要である。Conventionally, the standard viewing distance for television has been approximately seven times the vertical height of the television screen, and the television broadcasting system and image quality of the receiver have been determined. The viewing distance for the above television is the general viewing distance obtained in a typical home and the distance at which the television's scanning line is not visible at that time (
This was obtained as a position. However, if we pursue a more powerful way to enjoy television, it is necessary to have a wider viewing angle, and in that case it is necessary to increase the size of the TV screen or to view it closer to the TV screen. .
従来のテレビジョン受像機においては、テレビ画面の大
型化や画面を近づいて見ると画質や明るさが不適当で見
づらくなったり、目を悪くするという問題があった。ま
た、映像の迫力を求めるあまり知らず知らずのうちに必
要以上画面に近づきすぎることもあった。Conventional television receivers have had the problem of increasing the size of the television screen or viewing the screen up close, resulting in inappropriate image quality and brightness, making it difficult to see and causing poor eyesight. Also, in my pursuit of the power of images, I sometimes unknowingly ended up getting too close to the screen than necessary.
この発明は上記のような課題を解消するためになされた
もので、テレビジョンを見る視距離に応じて最適な映像
にコントロールされた状態で見ることのできるテレビジ
ョン受像機を得ることを口約とする。This invention was made in order to solve the above-mentioned problems, and aims to provide a television receiver that can control the optimal image according to the viewing distance. shall be.
この発明に係るテレビジョン受像機は、視距離に応じて
映像を自動的に調整し、しかも視距離をテレビ画面に表
示するものである。The television receiver according to the present invention automatically adjusts the image according to the viewing distance and displays the viewing distance on the television screen.
この発明においては、例えば視距離が近くなるほど視野
角が広くなるため目に入る光量が多くなるので、映像の
調整レベルをコントラストや明るさを連動させて下げる
方向に変化させるものである。また、画質についてはノ
イズが目立たぬようにソフトな方向に変えるという作用
を行なう。In this invention, for example, the closer the viewing distance is, the wider the viewing angle becomes and the more light enters the eyes, so the adjustment level of the image is changed in a direction that lowers the contrast and brightness in conjunction with each other. Furthermore, the image quality is changed to a softer direction so that noise is less noticeable.
以下、この発明の一実施例を図について説明する。第１
図はこの発明によるテレビジョン受像機の画面表示の一
例で、１はテレビジョンの画面を示し、２は画面上に表
示された視距離、３は映像の調整状態を表わす表示例で
ある。An embodiment of the present invention will be described below with reference to the drawings. 1st
The figure shows an example of the screen display of the television receiver according to the present invention, where 1 shows the screen of the television, 2 shows the viewing distance displayed on the screen, and 3 shows the adjustment state of the image.
第２図はこの発明におけるテレビジョン受像機のブロッ
ク図を示し、１１はテレビジョン受信回路、１２はブラ
ウン管、１３はテレビジョン受信回路１■を調整する映
像調整回路、１４はこの映像調整回路１３の調整状態を
画面に表示するための画面表示回路、１５はリモコン受
信回路で２．リモコン送信４１０１６からの信号を受信
する。FIG. 2 shows a block diagram of a television receiver according to the present invention, in which 11 is a television receiving circuit, 12 is a cathode ray tube, 13 is a video adjustment circuit for adjusting the television reception circuit 1, and 14 is this video adjustment circuit 13. 2. A screen display circuit for displaying the adjustment status of 1 on the screen; 15 is a remote control receiving circuit; Receives a signal from remote control transmission 41016.
次に動作について説明する。視聴者がリモコン送信機１
６を操作しその信号がリモコン受信回路１５に受信され
ると、テレビジョン画面ｌに視距離に応じた視距離表示
２を表示することができる。Next, the operation will be explained. Viewer uses remote control transmitter 1
6 and the signal is received by the remote control receiving circuit 15, a viewing distance display 2 corresponding to the viewing distance can be displayed on the television screen l.
この視距離表示に応じて映像の最適調整レベルを予め設
定しておけば、視距離を変えることで映像調整レベルも
自動的に変わり、画面に映像の調整状態表示３として表
示することができる。なお、映像調整回路１３や画面表
示回路１５は一般的なテレビ受信回路と同様、周知の回
路が使用できる。If the optimal adjustment level of the video is set in advance according to this viewing distance display, the video adjustment level will automatically change by changing the viewing distance, and it can be displayed as the video adjustment state display 3 on the screen. Note that the video adjustment circuit 13 and the screen display circuit 15 can be well-known circuits, similar to a general television receiving circuit.
第３図はこの発明による他の実施例のブロック図であっ
て、１１〜１４は上記実施例と同一である。これによれ
ば、視聴者１９の距離を距離測定信号発生器１７から発
した信号の反対を利用して距離測定信号受信機１８で計
測し、これに応じて画面表示の視距離を自動的に表示す
ると共に、映像調整レベルも自動的に表示することがで
きる。FIG. 3 is a block diagram of another embodiment according to the present invention, in which numerals 11 to 14 are the same as in the above embodiment. According to this, the distance to the viewer 19 is measured by the distance measurement signal receiver 18 using the opposite of the signal emitted from the distance measurement signal generator 17, and the viewing distance displayed on the screen is automatically adjusted accordingly. At the same time, the video adjustment level can also be displayed automatically.
なお、上記実施例では視距離に応じて映像を最適調整レ
ベルとしたが、音量や音場をコントロールしてサラウン
ド状態や音声出力あるいはスピーカの向きなどを調整し
てもよい、この場合は「視聴距離」表示にしてもよい。In the above embodiment, the video was adjusted to the optimum level according to the viewing distance, but the volume and sound field may be controlled to adjust the surround condition, audio output, speaker direction, etc. In this case, the "viewing" It may also be displayed as "distance".
また、視距離が一定距離以下のときは警告表示を出した
り、映像を消して目の保護を行なうこともできる。Additionally, when the viewing distance is less than a certain distance, a warning display can be displayed or the image can be turned off to protect the eyes.
以上説明したようにこの発明によれば、視距離に応じて
映像を自動的に調整して最適映像にすることができるの
で、心理的に最良の状態で迫力のある映像が楽しめる。As explained above, according to the present invention, it is possible to automatically adjust the image according to the viewing distance to create an optimal image, so that the user can enjoy powerful images in the psychologically best condition.
また、大型のテレビ画面であっても部屋の大きさを心配
することなく近くで見ることも可能である。さらに視距
離をテレビ画面に表示できることは、視聴者へ視距離を
認識させ、離れて見ることを促すこともできる。Furthermore, even if the TV screen is large, it is possible to view it up close without worrying about the size of the room. Furthermore, being able to display the viewing distance on the TV screen allows viewers to recognize the viewing distance and encourage them to look further away.
像機のブロック図、第３図は他の実施例によるブロック
図である。１・・・テレビ画面、２・・・視距離表示、３・・・映
像調整状態表示、１１・・・テレビジョン受信回路、１
２・・・ブラウン管、１３・・・映像調整回路、１４・
・・画面表示回路、１５・・・リモコン受信回路、１６
・・・リモコン送信器、１７・・・距離測定信号、１８
・・・距離測定信号受信器。なお、図中同一符号は同−又は相当部分を示す。FIG. 3 is a block diagram of another embodiment of the image machine. DESCRIPTION OF SYMBOLS 1... Television screen, 2... Viewing distance display, 3... Video adjustment status display, 11... Television receiving circuit, 1
2... Braun tube, 13... Image adjustment circuit, 14.
...Screen display circuit, 15...Remote control receiving circuit, 16
...Remote control transmitter, 17...Distance measurement signal, 18
... Distance measurement signal receiver. Note that the same reference numerals in the figures indicate the same or equivalent parts.
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63120924AJPH01290385A (en) | 1988-05-17 | 1988-05-17 | Television receiver |
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63120924AJPH01290385A (en) | 1988-05-17 | 1988-05-17 | Television receiver |
| Publication Number | Publication Date |
|---|---|
| JPH01290385Atrue JPH01290385A (en) | 1989-11-22 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63120924APendingJPH01290385A (en) | 1988-05-17 | 1988-05-17 | Television receiver |
| Country | Link |
|---|---|
| JP (1) | JPH01290385A (en) |
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| JP2010087620A (en)* | 2008-09-29 | 2010-04-15 | Toshiba Corp | Video processing device and video processing method |
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