JPH05122628A - Television receiver - Google Patents
Television receiverInfo
- Publication number
- JPH05122628A JPH05122628A JP3281160A JP28116091A JPH05122628A JP H05122628 A JPH05122628 A JP H05122628A JP 3281160 A JP3281160 A JP 3281160A JP 28116091 A JP28116091 A JP 28116091A JP H05122628 A JPH05122628 A JP H05122628A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- video signal
- subtitle
- video
- switch
- 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
Links
Abstract
Description
【０００１】[0001]
【産業上の利用分野】この発明はテレビジョン受像機に
関し、詳しくは、米国における字幕放送（ＣＬＯＳＵＤ
ＣＡＰＴＩＯＮ）を受信するテレビジョン受像機に関
する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a television receiver and, more particularly, to closed-caption broadcasting (CLOSED) in the United States.
The present invention relates to a television receiver for receiving CAPTION).
【０００２】[0002]
【従来の技術】従来の字幕信号受信システムは、テレビ
ジョン受像機に字幕信号デコーダを外付けする構成が普
通で、字幕信号復調回路を内蔵したテレビジョン受像機
は市販されていない。2. Description of the Related Art Conventional caption signal receiving systems usually have a structure in which a caption signal decoder is externally attached to a television receiver, and a television receiver having a built-in caption signal demodulation circuit is not commercially available.
【０００３】図２は、従来の字幕信号受信システムの構
成を示すブロック回路図である。図において１はテレビ
ジョン受像機で、２はそのアンテナ入力端子、３はＩＦ
信号処理回路、４は外部ビデオ信号入力端子、５はＩＦ
信号処理回路３から出力されるビデオ信号と、外部から
入力されるビデオ信号とを選択するスイッチ、６はビデ
オ信号処理回路、７はカラーＣＲＴ等の表示装置であ
る。FIG. 2 is a block circuit diagram showing the configuration of a conventional caption signal receiving system. In the figure, 1 is a television receiver, 2 is its antenna input terminal, 3 is an IF
Signal processing circuit, 4 is an external video signal input terminal, 5 is an IF
A switch for selecting a video signal output from the signal processing circuit 3 and a video signal input from the outside, 6 is a video signal processing circuit, and 7 is a display device such as a color CRT.
【０００４】８はＶＴＲで、９はそのアンテナ入力端
子、１０はアンテナ、１１はＩＦ信号処理回路、１２は
ビデオテープ再生回路、１３はＩＦ信号処理回路１１か
ら出力されるビデオ信号と、ビデオテープ再生回路１２
から出力されるビデオ信号とを選択するスイッチ、１４
はＲＦ変調回路、１５はＲＦ信号の出力端子である。Reference numeral 8 is a VTR, 9 is its antenna input terminal, 10 is an antenna, 11 is an IF signal processing circuit, 12 is a video tape reproducing circuit, 13 is a video signal output from the IF signal processing circuit 11, and a video tape. Reproduction circuit 12
Switch for selecting the video signal output from, 14
Is an RF modulation circuit, and 15 is an output terminal of an RF signal.
【０００５】１６は字幕信号デコーダで、１７はそのＲ
Ｆ入力端子、１８はＩＦ信号処理回路、１９は字幕信号
デコード部、２０はＲＦ変調回路、２１はＲＦ信号出力
端子である。Reference numeral 16 is a subtitle signal decoder, and 17 is its R
An F input terminal, 18 is an IF signal processing circuit, 19 is a caption signal decoding unit, 20 is an RF modulation circuit, and 21 is an RF signal output terminal.
【０００６】この従来例は、ＶＴＲ８のスイッチ１３
で、テレビジョン放送の受信信号またはビデオテープか
ら再生したビデオ信号のいずれかを選択してＲＦ信号に
変換し、字幕デコーダ１６で字幕信号を抜き出し、ＲＦ
信号に変換してテレビジョン受像機１に入力して表示装
置７に映出する。In this conventional example, the switch 13 of the VTR 8 is used.
Then, either the received signal of the television broadcast or the video signal reproduced from the video tape is selected and converted into the RF signal, the caption signal is extracted by the caption decoder 16, and the RF signal is output.
It is converted into a signal, input to the television receiver 1 and displayed on the display device 7.
【０００７】[0007]
【発明が解決しようとする課題】従来の字幕信号受信シ
ステムでは、受信したテレビジョン放送，またはＶＴＲ
で再生したビデオ信号のうち、スイッチ１３で選択した
ビデオ信号に重畳されている字幕情報だけを見ることが
できるだけで、異なる情報源の映像と字幕情報とを一つ
の画面上に映出することができなかった。この発明は上
記のような課題を解決するためになされたもので、異な
る情報源の映像と字幕情報とを同時に見ることができる
テレビジョン受像機を得ることを目的とする。In the conventional subtitle signal receiving system, the received television broadcast or VTR is received.
Among the video signals reproduced in step S1, only the caption information superimposed on the video signal selected by the switch 13 can be seen, and the video and caption information of different information sources can be displayed on one screen. could not. The present invention has been made to solve the above problems, and an object of the present invention is to obtain a television receiver capable of simultaneously viewing video and caption information of different information sources.
【０００８】[0008]
【課題を解決するための手段】この発明に係るテレビジ
ョン受像機は、入力されたビデオ信号に重畳されている
字幕信号を復調する手段と、複数の入力ビデオ信号のう
ち一つを選択して入力する手段と、上記複数の入力ビデ
オ信号のうちから選択された一つのビデオ信号と上記復
調された字幕信号とを混合する手段とを備え、この混合
された信号を表示装置に映出するようにしたものであ
る。A television receiver according to the present invention selects means for demodulating a caption signal superimposed on an input video signal and one of a plurality of input video signals. An input means and a means for mixing one video signal selected from the plurality of input video signals with the demodulated subtitle signal are provided, and the mixed signal is displayed on a display device. It is the one.
【０００９】[0009]
【作用】複数の入力ビデオ信号のうち、選択された一つ
のビデオ信号と、選択された一つのビデオ信号から復調
された字幕信号とが混合されて表示装置の画面に映出さ
れるので、異なる入力ビデオ信号の映像と字幕情報と
を、一つの画面に映出することができる。Since the selected one video signal of the plurality of input video signals and the caption signal demodulated from the selected one video signal are mixed and displayed on the screen of the display device, different input signals are displayed. The video of the video signal and the subtitle information can be displayed on one screen.
【００１０】[0010]
【実施例】実施例１．図１は、この発明の一実施例を示
すブロック回路図である。図において、２２は第２の外
部ビデオ信号入力端子、２３，２４は受信しビデオ信号
と、入力端子５，２２から入力される第１，第２の外部
ビデオ信号のうちいずれか一つを、それぞれ別個に選択
する第１，第２のスイッチ、２５は入力されたビデオ信
号に重畳されている字幕信号を抽出して復調する字幕復
調回路、２６はマイクロコンピュータで、与えられた指
令にもとづき、スイッチ２３，２４の選択動作を制御す
るとともに、字幕信号復調回路２５の動作を制御する。
２７は混合回路で、字幕信号復調回路２５から出力され
る字幕信号を、スイッチ２３で選択されたビデオ信号の
所定の位置に混合して、ビデオ信号処理回路５に出力す
る。EXAMPLES Example 1. FIG. 1 is a block circuit diagram showing an embodiment of the present invention. In the figure, 22 is a second external video signal input terminal, 23 and 24 are received video signals, and either one of the first and second external video signals input from the input terminals 5 and 22, First and second switches that are individually selected, 25 is a caption demodulation circuit that extracts and demodulates a caption signal that is superimposed on the input video signal, and 26 is a microcomputer that is based on a given command. It controls the selection operation of the switches 23 and 24 and also controls the operation of the subtitle signal demodulation circuit 25.
A mixing circuit 27 mixes the caption signal output from the caption signal demodulation circuit 25 with a predetermined position of the video signal selected by the switch 23 and outputs the mixed signal to the video signal processing circuit 5.
【００１１】実施例２．上記実施例１では、マイクロコ
ンピュータ６を介して、スイッチ２３，２４の選択動作
を制御したが、手動制御によって選択するようにしても
よい。また、上記実施例では、外部ビデオ信号入力端子
を二つ設けたが、この数はいくつであってもよい。Embodiment 2. Although the selection operation of the switches 23 and 24 is controlled via the microcomputer 6 in the first embodiment, the selection may be performed by manual control. Further, although two external video signal input terminals are provided in the above embodiment, the number may be any number.
【００１２】[0012]
【発明の効果】以上のように、この発明によれば、複数
の入力ビデオ信号を第１および第２のスイッチで各別に
選択し、この一方の選択されたビデオ信号に重畳されて
いる字幕信号を抽出して復調し、他方のスイッチで選択
されたビデオ信号に混合し、この混合されたビデオ信号
を表示装置に映出するように構成したものであるから、
複数の入力ビデオ信号のなかから選択された映像と字幕
とを、一つの画面上に映出することができるテレビジョ
ン受像機が得られる効果がある。As described above, according to the present invention, a plurality of input video signals are individually selected by the first and second switches, and a caption signal superimposed on one of the selected video signals is selected. Is extracted, demodulated, mixed with the video signal selected by the other switch, and the mixed video signal is displayed on the display device.
There is an effect that a television receiver capable of displaying an image and subtitles selected from a plurality of input video signals on one screen can be obtained.
【図面の簡単な説明】[Brief description of drawings]
【図１】この発明の実施例１を示すブロック回路図であ
る。FIG. 1 is a block circuit diagram showing a first embodiment of the present invention.
【図２】従来の外付形の字幕信号デコーダを用いた字幕
信号受信システムの構成を示すブロック回路図である。FIG. 2 is a block circuit diagram showing a configuration of a conventional caption signal receiving system using an external caption signal decoder.
１ テレビジョン受像機 ２３ スイッチ ２４ スイッチ ２５ 字幕信号復調回路 ２６ マイクロコンピュータ ２７ 混合回路 1 Television Receiver 23 Switch 24 Switch 25 Subtitle Signal Demodulation Circuit 26 Microcomputer 27 Mixing Circuit
─────────────────────────────────────────────────────
─────────────────────────────────────────────────── ───
【手続補正書】[Procedure amendment]
【提出日】平成３年１２月１９日[Submission date] December 19, 1991
【手続補正１】[Procedure Amendment 1]
【補正対象書類名】明細書[Document name to be amended] Statement
【補正対象項目名】０００１[Correction target item name] 0001
【補正方法】変更[Correction method] Change
【補正内容】[Correction content]
【０００１】[0001]
【産業上の利用分野】この発明はテレビジョン受像機に
関し、詳しくは、米国における字幕放送（ＣＬＯＳＥＤ
ＣＡＰＴＩＯＮ）を受信するテレビジョン受像機に関
する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a television receiver, and more specifically, to subtitle broadcasting (CLOS E D) in the United States.
The present invention relates to a television receiver for receiving CAPTION).
Claims (1)
第１および第２のスイッチと、この一方のスイッチで選
択されたビデオ信号に重畳されている字幕信号を抽出し
て復調する手段と、この復調された字幕信号を上記他方
のスイッチで選択されたビデオ信号の所定の位置に混合
する手段と、この混合されたビデオ信号を表示装置に映
出する手段とを備えたことを特徴とするテレビジョン受
像機。1. A first switch and a second switch for individually selecting a plurality of input video signals, and means for extracting and demodulating a caption signal superimposed on the video signal selected by the one switch. A means for mixing the demodulated subtitle signal at a predetermined position of the video signal selected by the other switch, and a means for displaying the mixed video signal on a display device. Television receiver.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3281160A JPH05122628A (en) | 1991-10-28 | 1991-10-28 | Television receiver |
| CA002080887A CA2080887A1 (en) | 1991-10-28 | 1992-10-19 | Television receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3281160A JPH05122628A (en) | 1991-10-28 | 1991-10-28 | Television receiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH05122628A true JPH05122628A (en) | 1993-05-18 |
Family
ID=17635196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3281160A Pending JPH05122628A (en) | 1991-10-28 | 1991-10-28 | Television receiver |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPH05122628A (en) |
| CA (1) | CA2080887A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997029589A1 (en) * | 1996-02-09 | 1997-08-14 | Matsushita Electric Industrial Co., Ltd. | Television receiver |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06225235A (en) * | 1993-01-26 | 1994-08-12 | Mitsubishi Electric Corp | Television receiver |
| JP3256619B2 (en) * | 1993-12-24 | 2002-02-12 | 株式会社東芝 | Character information display |
-
1991
- 1991-10-28 JP JP3281160A patent/JPH05122628A/en active Pending
-
1992
- 1992-10-19 CA CA002080887A patent/CA2080887A1/en not_active Abandoned
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997029589A1 (en) * | 1996-02-09 | 1997-08-14 | Matsushita Electric Industrial Co., Ltd. | Television receiver |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2080887A1 (en) | 1993-04-29 |
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