JPS63312788A - Picture display device - Google Patents

Picture display device

Info

Publication number
JPS63312788A
JPS63312788A JP62149975A JP14997587A JPS63312788A JP S63312788 A JPS63312788 A JP S63312788A JP 62149975 A JP62149975 A JP 62149975A JP 14997587 A JP14997587 A JP 14997587A JP S63312788 A JPS63312788 A JP S63312788A
Authority
JP
Japan
Prior art keywords
image
signal
image signal
frame
picture
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP62149975A
Other languages
Japanese (ja)
Inventor
Yoshiteru Morihiro
森広　芳照
Takeji Kori
武治 郡
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP62149975A priority Critical patent/JPS63312788A/en
Publication of JPS63312788A publication Critical patent/JPS63312788A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/30—Image reproducers
    • H04N13/332—Displays for viewing with the aid of special glasses or head-mounted displays [HMD]
    • H04N13/341—Displays for viewing with the aid of special glasses or head-mounted displays [HMD] using temporal multiplexing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/30—Image reproducers
    • H04N2013/40—Privacy aspects, i.e. devices showing different images to different viewers, the images not being viewpoints of the same scene
    • H04N2013/403—Privacy aspects, i.e. devices showing different images to different viewers, the images not being viewpoints of the same scene the images being monoscopic

Landscapes

  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Television Systems (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)

Abstract

PURPOSE:To offer the picture service even when a person receiving the picture service and other person are at the same place by giving a revised chromaticity and brightness between offered pictures so as to form a gray pattern. CONSTITUTION:An input picture signal 11 is stored while it is controlled by a frame 13 in a picture information storage memory 12 by one frame, the picture information is read twice at the double speed of the frame period from the memory 12, and the signal read at first is given to a synthesis circuit 15 as the 1st picture signal 14 compressed to 1/2 and the read-out picture signal is inputted to the synthesis circuit 15 as the 2nd picture signal 17 after the chromaticity and brightness are converted (16). Thus, a 1st picture signal 14 and a 2nd picture signal 17 are display alternately on a picture display device 18. On the other hand, a frame signal 13 is given to a spectacles shutter timing generating circuit 19 to drive the shutter of spectacles 21 and the spectacles shutter is driven so that the picture by the 2nd picture signal is not watched by the viewer.

Description

【発明の詳細な説明】 「産業上の利用分野」 この発明は不特定多数の者が視聴できる場所にありなが
ら、特定の視聴者に画像を提供することを可能とする画
像表示装置に関するものである。[Detailed Description of the Invention] "Industrial Application Field" This invention relates to an image display device that can provide images to a specific viewer while being located in a location where an unspecified number of people can view the images. be.

「従来の技術」 従来この種の画像表示装置は、装置に光学的遮蔽を設は
特定の者に対してのみ画像を提供する構成となっていた
。このため、視聴者は異なる場所で見る欠点があった。``Prior Art'' Conventionally, this type of image display device has been configured to provide an image only to a specific person by providing an optical shield to the device. Therefore, there was a drawback that viewers watched from different locations.

また、複数の画像を提供するためには複数の画像表示装
置がいる欠点があった。Additionally, there is a drawback that multiple image display devices are required to provide multiple images.

この発明はこれらの欠点を解決するため１画像選択機能
を有する眼鏡を視聴者が着けることにより画像を提供し
、その他の者には灰色画面または第三の画面を見せる画
像表示装置を提供するものである。In order to solve these drawbacks, the present invention provides an image display device that provides an image when the viewer wears glasses having a single image selection function, and displays a gray screen or a third screen to other viewers. It is.

ｒ問題点を解決するための手段」 この発明によれば画像信号はそのフレームごとに画像情
報蓄積メモリに蓄積され、その蓄積された画像信号は原
画像信号のｎ倍（ｎは２以上の整数）の速度で読出され
てｎ分の１に圧縮された画像信号として送出される。そ
のｎ分の１に圧縮された画像信号に対し、それが存在し
ない上記フレ−ムの□の期間中の各ｎ分の１フレ一ム期
Ｍにｎ分の１に圧縮された他の画像信号が合成される。According to the present invention, an image signal is accumulated in an image information storage memory for each frame, and the accumulated image signal is n times the original image signal (n is an integer of 2 or more). ) and transmitted as an image signal compressed to 1/n. For the image signal compressed to 1/n, another image compressed to 1/n in each 1/n frame period M during the period □ of the above frame in which the image signal does not exist is compressed to 1/n. The signals are combined.

その合成された画像信号は表示信号として画像表示器へ
供給され、その画像表示器はｎ分の１フレームを１フレ
ームとして表示動作を行う。また上記合成された画像信
号と同期してその所定のｎ分の１フレ一ム期間開に制御
されるシャッタヲモつ眼鏡を備え、その眼鏡を通じて上
記画像表示器の表示画面を見ることにより、その眼鏡を
掛けた視聴者のみが所望の画像を見ることができる。The synthesized image signal is supplied as a display signal to an image display device, and the image display device performs a display operation using 1/n frame as one frame. Further, the glasses are provided with shutters that are controlled to open for a predetermined 1/n frame period in synchronization with the synthesized image signal, and by viewing the display screen of the image display through the glasses, Only those viewers who have applied this will be able to view the desired image.

「実施例」 第１図はこの発明の実施例を示し、ｎ　＝　２の場合で
ある。Embodiment FIG. 1 shows an embodiment of the present invention, in which n=2.

入力画像信号１１を１フレ一ム分の画像情報蓄積メモリ
１２にフレーム信号１３で制御されて蓄積し１次に画像
情報蓄積メモリ１２から画像情報をフレーム周期の２倍
の速度で２回読み出し、最初に読み出された信号は２分
の１に圧縮された第一画像信号１４として合成回路１５
に入力し１次に読出された画像信号は彩度輝度変換回路
１６により彩度及び輝度が変換された後第二画像信号１
７として合成回路１５に入力される。合成回路１５の出
力は陰極線管表示器のような画像表示器１８に表示信号
として供給される。画像表示器１８は合成回路１５の出
力の１フレーム、つまり２分の１フレームに圧縮された
画像信号の１フレームを１フレームとして動作する。従
って画像表示器１８には第一画像信号１４と、第二画像
信号１７とが交互に表示される。The input image signal 11 is stored in the image information storage memory 12 for one frame under the control of the frame signal 13, and the image information is first read out from the image information storage memory 12 twice at a speed twice the frame period. The first read signal is compressed to 1/2 as the first image signal 14 to the synthesis circuit 15.
The image signal inputted to and read out first is converted into a second image signal 1 after its saturation and brightness are converted by the chroma/luminance conversion circuit 16.
7 and is input to the synthesis circuit 15. The output of the synthesis circuit 15 is provided as a display signal to an image display 18, such as a cathode ray tube display. The image display device 18 operates with one frame of the output of the synthesis circuit 15, that is, one frame of the image signal compressed to 1/2 frame, as one frame. Therefore, the first image signal 14 and the second image signal 17 are displayed alternately on the image display 18.

一方フレーム信号１３は眼鏡シャッタタイミング発生回
路１９によシ眼鏡２１のシャッタを駆動する眼鏡シャッ
タ駆動信号２１が生成され、眼鏡２１に入力され、第二
画像信号１７による画像が視聴者に見えないように眼鏡
シャッタが駆動される。眼鏡シャッタは例えば液晶シャ
ッタで構成される。On the other hand, the frame signal 13 is used to generate an eyeglass shutter drive signal 21 for driving the shutter of the eyeglasses 21 by the eyeglass shutter timing generation circuit 19, which is input to the eyeglasses 21 so that the image based on the second image signal 17 is not visible to the viewer. The eyeglass shutter is driven. The eyeglass shutter is composed of, for example, a liquid crystal shutter.

第２図は第１図の画像表示装置の各部の波形を示したも
のである。画像信号１１は画像情報蓄積メモリ１２に蓄
えられた後、フレーム周期の２倍の速度で読出され第一
画像信号１４として出力される。第二画像信号１７は半
フレーム周期遅れた後、彩度輝度変換回路１６により彩
度及び輝度が変換され出力される。次に眼鏡シャッタ駆
動信号２１は第一画像信号１４の表示画像のみが眼鏡２
１を通過するように眼鏡２１のシャッタを開けるように
フレーム信号１３を基に生成される。ここで実線はある
１フレームの画像信号１１に対応する各信号を示したも
のである。FIG. 2 shows waveforms of various parts of the image display device of FIG. 1. After the image signal 11 is stored in the image information storage memory 12, it is read out at a speed twice the frame period and output as the first image signal 14. After the second image signal 17 is delayed by half a frame period, the saturation and brightness are converted by the saturation and brightness conversion circuit 16 and output. Next, the eyeglass shutter drive signal 21 indicates that only the display image of the first image signal 14 is displayed on the eyeglasses 2.
The frame signal 13 is generated based on the frame signal 13 so that the shutter of the glasses 21 is opened so that the frame signal 1 passes through the frame signal 13. Here, the solid lines indicate each signal corresponding to the image signal 11 of one frame.

第３図は彩度輝度変換回路１６における入力画像信号２
２と出力変換信号１７との関係を示しだもので、同図人
は輝度の相対値、同図Ｂは彩度の相対関係を示したもの
である。彩度輝度変換回路１６の入力画像と出力画像は
彩度において補色の関係にあり輝度において入力画像と
出力画像とを重ね合せると一定の値になるように変換し
ている。FIG. 3 shows the input image signal 2 in the saturation/luminance conversion circuit 16.
2 and the output conversion signal 17, the figure B shows the relative value of luminance, and the figure B shows the relative relationship of chroma. The input image and the output image of the saturation/luminance conversion circuit 16 have a complementary color relationship in terms of saturation, and the input image and output image are converted in terms of luminance so that when they are superimposed, they have a constant value.

このような構成となっているため１画像サービスを受け
る者は眼鏡２１を掛けることにより眼鏡２１を通過する
第一画像信号１４による画像を観賞できる。また、その
他の者は第一画像信号１４による画像と第二画像信号１
７による彩度及び輝度を変更した画像とが同時に重なっ
て見えることから灰色の無地画像を見ることになる。従
って、画像サービスを受ける者とその他の者が同一場所
にいた場合にお込ても画像サービスを提供でき。With this configuration, a person receiving the one-image service can view an image based on the first image signal 14 passing through the glasses 21 by putting on the glasses 21. In addition, other people use an image based on the first image signal 14 and an image based on the second image signal 1.
Since the image with the saturation and brightness changed according to 7 appears to overlap at the same time, a plain gray image is seen. Therefore, even if the person receiving the image service and another person are in the same location, the image service can be provided.

その他の者には不快感を４えない灰色画面を見せること
が可能となる。It becomes possible to show a gray screen that does not cause discomfort to other people.

第４図にこの発明の実施例における画像表示装置と視聴
者との各種関係例を示すもので１画像表示装置２５の表
示画像サービスを受ける視聴者２６はシャッタ機能付き
眼鏡２１を利用し、このシャツタ機能付き眼鏡２１はケ
ーブル２７を通じて画像表示装置２５と接続され１画像
表示装置２５の画像表示と同期して眼鏡２１のシャッタ
が制御される。画像表示装置２５の画面を画像サービス
を受けない他の視聴者２８も見ることができる。FIG. 4 shows various examples of relationships between the image display device and the viewer in the embodiment of the present invention.The viewer 26 who receives the display image service of the one-image display device 25 uses glasses 21 with a shutter function, and The shutter function glasses 21 are connected to an image display device 25 through a cable 27, and the shutters of the glasses 21 are controlled in synchronization with the image display of the single-image display device 25. Other viewers 28 who do not receive the image service can also view the screen of the image display device 25.

第４図Ａは第１図に示した実施例によるもので。FIG. 4A is based on the embodiment shown in FIG.

画像サービスを受ける視聴者２６Ｆｉシャッタ機能付き
眼鏡２１を着けることにより画像Ｖ、を見ることができ
、その他の視聴者２８に対しては無地の灰色画面Ｖ、＋
Ｖ、を見せる構成になっている。The viewer 26 who receives the image service can view the image V by wearing glasses 21 with a shutter function, and the other viewers 28 can see the plain gray screen V, +
It is structured to show V.

第４図Ｂにおける実施例は、シャッタ機能付き眼鏡を着
けないその他の視聴者２８も違った画面ｖ２を見ること
ができる構成になっている。つまり第一画像と第二画像
とを合成したものが第三画像になるようにする。第４図
Ｃの実施例は視聴者２６が希望する画面（Ｖ、又はｖ２
）を抽出するシャッタ機能付き眼鏡を着けることにより
画像サービスの提供を受け、その他の視聴者２８には複
数の画像が重なった画像（ｖ、十ｖ２）をみせることに
より画像サービスの提供をす・る構成になっている。つ
まり一般的にはｎ個の原画像信号Ｖ、・・・ｖｎはｎ倍
速度とされてｎ分の１フレ一ム期間に圧縮され、これら
ｎ個の画像信号が順次配列されて画像表示器へ供給され
、原画像信号の１フレーム中にｎ個の画像Ｖ、・・・ｖ
ｎが順次表示され、これらと同期して眼鏡２１のシャッ
タを制御することにより画像Ｖ、・・・ｖｎの何れか１
つを選択的に視聴することができるが。The embodiment shown in FIG. 4B is configured so that other viewers 28 who do not wear glasses with a shutter function can also view a different screen v2. In other words, the third image is made by combining the first image and the second image. The embodiment of FIG. 4C shows the screen desired by the viewer 26 (V or v2
) by wearing glasses with a shutter function that extracts images, and other viewers 28 are provided with image services by showing an image (v, 10v2) that is a combination of multiple images. The configuration is as follows. In other words, in general, n original image signals V, . n images V,...v in one frame of the original image signal.
n are sequentially displayed, and by controlling the shutter of the glasses 21 in synchronization with these images, any one of the images V, . . . vn is displayed.
You can selectively watch one.

他の視聴者２８は画像Ｖ、・・・Ｖｎが重なって見える
ため！正規の画像を見ることはできない。Because other viewers 28 see images V,...Vn overlapping each other! You can't see the original image.

「発明の効果」 以上説明したように、この発明によれば提供する画像の
間に灰色の無地画面になるように彩度及び輝度を変更し
た画面を入れることにより１画像サービスを受ける者と
その他の者が同一場所にいる場合においても画像サービ
スを提供することができる利点がある。また、間に入れ
る画像を違った画像にすることにより、同一画像表示装
置で異なる画像サービスを異なる視聴者に同時に提供す
ることができる利点がある。"Effects of the Invention" As explained above, according to the present invention, by inserting a screen whose saturation and brightness have been changed so that it becomes a plain gray screen between images provided, those who receive a single image service and others There is an advantage that image services can be provided even when two persons are located at the same location. Furthermore, by using different images as intervening images, there is an advantage that different image services can be simultaneously provided to different viewers using the same image display device.

応用例として、大型旅客航空機の室内のように多数の人
が長時間同一場所に居なければならない場合において、
この発明による画像表示装置で異なる画像を同一画像表
示器に映し出し、視聴者はシャッタ機能付き眼鏡が配ら
れ、シャッタの駆動タイミングを制御するチャンネルを
切シ換えることにより希望する画像を選択し鑑賞するこ
とができる。別な応用例として１国際会議等におい、て
。As an example of application, in situations where many people must stay in the same place for a long time, such as inside a large passenger aircraft,
The image display device according to the present invention projects different images on the same image display, and the viewer is given glasses with a shutter function and can select and view the desired image by switching the channel that controls the shutter drive timing. be able to. As another application example, at an international conference, etc.

次のように利用することができる。まず、この発明によ
り異なる言語で記入された複数の図面資料を同時に会場
にある画像表示器に映し出す。その同一会場内にいる視
聴者にシャッタ機能付き眼鏡を配り、視聴者はシャッタ
の駆動タイミングを制御するチャンネルを切り換えるこ
とにより自国語で書かれた図面を見ながら講義を受ける
ことが可能となる。It can be used as follows. First, with this invention, multiple drawing materials written in different languages are simultaneously displayed on an image display at the venue. Glasses with a shutter function are distributed to viewers in the same venue, and by switching the channel that controls the shutter drive timing, viewers can listen to the lecture while looking at drawings written in their own language.

【図面の簡単な説明】[Brief explanation of drawings]

第１図はこの発明の実施例を示すブロック図。 第２図はその動作の説明だ供するタイムチャート。 第３図は彩度輝度変換を説明するだめの図、第４図はこ
の発明の各種実施態様を示す図である。 ′ｙＩ７１　　図 沖　２　図 木　３　図 Ａ　　　　　　　　　　　　　　　　３才４図　△ ケーブル 、）１７４　　図　Ｂ オ　４　図　ＣFIG. 1 is a block diagram showing an embodiment of the invention. FIG. 2 is a time chart explaining the operation. FIG. 3 is a diagram for explaining chroma/luminance conversion, and FIG. 4 is a diagram showing various embodiments of the present invention. 'yI71 Figure Oki 2 Figure Tree 3 Figure A 3 years old 4 Figure △ Cable, )174 Figure B O 4 Figure C

Claims (2)

【特許請求の範囲】[Claims] （１）画像信号がそのフレームごとに蓄積され、その蓄
積された画像信号を原画像信号のｎ倍（ｎは２以上の整
数）の速度で読出してｎ分の１に圧縮された画像信号を
送出する画像情報蓄積メモリと、 そのｎ分の１に圧縮された画像信号に対し、それが存在
しない上記フレームの（ｎ−１／ｎ）の期間中の各フレ
ームのｎ分の１の期間にそれぞれｎ分の１に圧縮された
他の画像信号を合成する合成回路と、その合成された画
像信号が表示信号として供給され、上記ｎ分の１フレー
ムを１フレームとして表示を行う画像表示器と、 上記合成された画像信号と同期してその所定の上記ｎ分
の１フレーム期間開に制御されるシャッタを有する眼鏡
とを具備する画像表示装置。(1) An image signal is accumulated for each frame, and the accumulated image signal is read out at a speed n times that of the original image signal (n is an integer of 2 or more) to obtain an image signal compressed to 1/n. For the image information storage memory to be sent out, and for the image signal compressed to 1/n of the image signal, in the 1/n period of each frame during the (n-1/n) period of the above frame where it does not exist. a synthesis circuit for synthesizing other image signals each compressed to 1/n; and an image display to which the synthesized image signals are supplied as a display signal and display the 1/n frame as one frame; and glasses having shutters that are controlled to be open for the predetermined 1/n frame period in synchronization with the synthesized image signal. （２）上記ｎは２であり、上記画像情報蓄積メモリは同
一画像信号が２回繰返し読出され、その各一方の画像信
号は彩度輝度変換回路で原画像信号に対し、相反する輝
度及び彩度をもつ画像信号に変換され、その変換された
画像信号が上記他の画像信号とされることを特徴とする
特許請求の範囲第１項記載の画像表示装置。(2) The above n is 2, and the same image signal is repeatedly read out from the image information storage memory twice, and each one of the image signals is converted into a chroma/luminance conversion circuit with a contrasting luminance and chroma with respect to the original image signal. 2. The image display device according to claim 1, wherein the image signal is converted into an image signal having a certain degree of resolution, and the converted image signal is used as the other image signal.
JP62149975A 1987-06-15 1987-06-15 Picture display device Pending JPS63312788A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62149975A JPS63312788A (en) 1987-06-15 1987-06-15 Picture display device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62149975A JPS63312788A (en) 1987-06-15 1987-06-15 Picture display device

Publications (1)

Publication Number Publication Date
JPS63312788A true JPS63312788A (en) 1988-12-21

Family

ID=15486721

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62149975A Pending JPS63312788A (en) 1987-06-15 1987-06-15 Picture display device

Country Status (1)

Country Link
JP (1) JPS63312788A (en)

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JPH06195049A (en) * 1992-04-28 1994-07-15 D T M F Paradaimu Kk Image display device and transmittance controller
JP2007163674A (en) * 2005-12-12 2007-06-28 Matsushita Electric Works Ltd Display device
WO2008015905A1 (en) * 2006-08-02 2008-02-07 Nec Corporation Image processing apparatus, display apparatus, and image displaying system
WO2008026403A1 (en) * 2006-08-30 2008-03-06 Nec Corporation Image processing device, image processing method, its program, display device, and image display system
WO2008078630A1 (en) * 2006-12-26 2008-07-03 Nec Corporation Display device and display method
WO2008090851A1 (en) * 2007-01-26 2008-07-31 Nec Corporation Image processing device, method and program, and display device
WO2008099737A1 (en) * 2007-02-16 2008-08-21 Nec Corporation Display controller and display device
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