JPS62277882A - Color video signal reproducing device - Google Patents
Color video signal reproducing deviceInfo
- Publication number
- JPS62277882A JPS62277882A JP61120883A JP12088386A JPS62277882A JP S62277882 A JPS62277882 A JP S62277882A JP 61120883 A JP61120883 A JP 61120883A JP 12088386 A JP12088386 A JP 12088386A JP S62277882 A JPS62277882 A JP S62277882A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- color
- chroma
- luminance
- video signal
- 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.)
- Granted
Links
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 10
- 238000003384 imaging method Methods 0.000 claims description 9
- 238000000926 separation method Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Landscapes
- Television Signal Processing For Recording (AREA)
Abstract
Description
【発明の詳細な説明】
１発明の詳細な説明
〔産業上の利用分野〕
本発明は肥碌媒体工）、カラービデオ信号を再生するカ
ラービデオ信号再生装置に関するものである。Detailed Description of the Invention 1. Detailed Description of the Invention [Field of Industrial Application] The present invention relates to a color video signal reproducing device for reproducing color video signals.
従来、カラー画像信号を記録し、再生する場合１例えば
再生可能なカメラ一体型ビデオテープレコーダ（以下Ｖ
ＴＲと記す）においては記録時にカメラ部において得ら
れたＲｏＧ、Ｂ信号よυブト９２１回路によって輝度信
号Ｙと色差信号Ｒ７Ｙ、Ｂ−Ｙを得て、輝度信号Ｙ、は
キャラクタジェネレータにより発生されたキャラクタ輝
度信号が性別されプリエンファシス等の処理を行なった
後にＦＭ変調される。また色差信号Ｒ−Ｙ、Ｂ−Ｙは直
角二相変調されてクロマ信号となつ几後にやけルキャラ
クタジェネレータよシ発生され友キャラクタクロマ信号
が付加される等の処理を行なつ念後Ｋ、低域変換されて
低域変換クロマ信号となる。そしてＦＭ変調された輝度
信号と低域変換クロマ信号とけ周波数多重され記録信号
となυ回転ヘッドによりテープ上に記録される。Conventionally, when recording and reproducing color image signals, 1, for example, a reproducible camera-integrated videotape recorder (hereinafter referred to as V
(denoted as TR), the RoG and B signals obtained in the camera section during recording are used to generate a luminance signal Y and color difference signals R7Y and B-Y by the υbut921 circuit, and the luminance signal Y is generated by a character generator. The character luminance signal is gendered, subjected to processing such as pre-emphasis, and then FM modulated. In addition, the color difference signals R-Y and B-Y are quadrature two-phase modulated and converted into chroma signals. The signal is converted into a low band converted chroma signal. Then, the FM-modulated luminance signal and the low frequency converted chroma signal are frequency-multiplexed and a recording signal is recorded on the tape by the υ rotating head.
一方、再生時には再生信号をローパスフィルタ及びバン
ドパスフィルタを用いて２Ｍ変調され次輝度信号と低域
変換クロマ信号とに分離し、ＦＭ変調された輝度信号は
復調されてもとの輝度信号となシ、低域変換クロマ信号
は周波数変換されてもとのクロマ信号にな）、これら輝
度信号とクロマ信号は多重窟れて再生カラービデオ信号
として出力される。On the other hand, during playback, the playback signal is 2M modulated using a low-pass filter and a band-pass filter and separated into a sub-luminance signal and a low-pass converted chroma signal, and the FM-modulated luminance signal is demodulated to become the original luminance signal. (The low frequency converted chroma signal is frequency converted to the original chroma signal), and these luminance signals and chroma signals are multiplexed and output as a reproduced color video signal.
ところで、前述の様に映倫にキャラクタを付加しようと
する場合にはカメラ部において被写体を撮像することに
エフ得られたカラービデオ信号にカメラ部のキャラクタ
ジェネレータを用いてキャラクタビデオ信号を付加する
ことによシ例えばタイトルや日付は等のキャラクタを付
〃ｎし、記録しており、以上の様にして記録時において
のみしかキャラクタは付加されず、再生時にキャラクタ
金付加する場合には外付けの編集装置等が必要になシ、
システムが大がかりなものになシま次、これらのシステ
ムは高価であるという問題があつ九。By the way, as mentioned above, when trying to add characters to Eirin, it is necessary to image the subject in the camera section and add a character video signal to the obtained color video signal using the character generator in the camera section. For example, characters such as titles and dates are added and recorded.Characters are only added during recording as described above, and if you want to add characters during playback, an external editor is used. No equipment is required,
Another problem with these systems is that they are expensive.
本発明は上述の問題に鑑みて為され友もので、簡単で低
コストな構成により、再生時に新たなカラービデオ信号
を容易に付加することが出来るカラービデオ信号再生装
＃を提供す、ることを目的とする。The present invention has been made in view of the above-mentioned problems, and an object of the present invention is to provide a color video signal reproducing device which has a simple and low-cost configuration and can easily add a new color video signal during reproduction. With the goal.
本発明のカラービデオ信号再生装置は被写体を撮像する
ことにより前記被写体の撮像情報に応じ九輝度信号及び
色情報信号を発生する撮像手段と、記録媒体からカラー
ビデオ信号を再生する再生手段と、前記再生手段により
再生され次カラービデオ信号から輝度信号及び色情報信
号とを分離する分離手段と２力ラービデオ信号を発生す
るカラービデオ信号発生手段と、撮像手段より発生され
た輝度信号及び色情報信号と前記分離手段により分離さ
れ之輝度信号及び色情報信号に前記カラービデオ信号発
生手段より発生されたカラービデオ信号を択一的に付加
する付加手段とを備え念ものである。The color video signal reproducing apparatus of the present invention includes: an imaging means for capturing an image of a subject and generating nine luminance signals and a color information signal according to the imaging information of the subject; a reproduction means for reproducing the color video signal from a recording medium; separation means for separating a luminance signal and a color information signal from the next color video signal reproduced by the reproduction means; a color video signal generation means for generating a two-color video signal; and a luminance signal and a color information signal generated by the imaging means. and addition means for selectively adding the color video signal generated by the color video signal generation means to the luminance signal and color information signal separated by the separation means.
上述の構成により、撮像手段及び再生手段より得られ念
輝度信号及び色情報信号にカラービデオ信号発生手段よ
り発生されたカラービデオ信号を択一的に付加すること
が出来るものである。With the above configuration, it is possible to selectively add the color video signal generated by the color video signal generating means to the telescopic luminance signal and the color information signal obtained from the imaging means and the reproducing means.
以下、本発明を実施例に基づき説明する。 The present invention will be explained below based on examples.
第１図は本発明の一実施例として本発明をカメラ一体型
ＶＴＲＫ連用し次場合の概略構成を示し九図である。FIG. 1 is nine diagrams showing a schematic configuration in the following case where the present invention is used in combination with a camera-integrated VTRK as an embodiment of the present invention.
第１図においてビデオカメラを用いた場合の記録時の動
作について説明する。、まずズームレンズ１を介して被
写体を撮像し、撮像素子２の不図示の撮像面に被写体像
を映す。該撮像素子２は基準信号発生回路３工）発生さ
れる基準信号（例えばＮＴＳＯ方式テレビジョン信号対
応の場合は３．５８ＭＨｚ）に応じて駆動回路４によシ
走査動作が制御され被写体像の画像清報信号を前置増幅
器５に供給し、ここで増幅され之後、輝度信号プロセス
回路６１色差信号復調回路７に供給される。The operation during recording when a video camera is used in FIG. 1 will be explained. First, an image of a subject is captured through a zoom lens 1, and the subject image is projected onto an imaging surface (not shown) of an image sensor 2. The scanning operation of the image sensor 2 is controlled by a drive circuit 4 in accordance with a reference signal (for example, 3.58 MHz for NTSO television signals) generated by a reference signal generation circuit 3, and an image of a subject is generated. The signal is supplied to the preamplifier 5, where it is amplified and then supplied to the luminance signal processing circuit 61 and color difference signal demodulation circuit 7.
そして周知の様に輝度信号プロセス回路６においては同
期信号Ｓが付方Ｏされ次輝度信号Ｙが。As is well known, in the luminance signal processing circuit 6, the synchronizing signal S is added and the next luminance signal Y is generated.
色差信号復調回路７においては色差信号Ｒ−Ｙ。In the color difference signal demodulation circuit 7, the color difference signal R-Y.
Ｂ−Ｙが発生されクロマ信号変調回路８において前記基
準信号発生回路３より供給されている基準信号を利用し
て色差信号Ｒ−Ｙ、Ｂ−Ｙを直角二相変調しクロマ信号
Ｃを得る。B-Y is generated, and a chroma signal modulation circuit 8 performs quadrature two-phase modulation on the color difference signals R-Y and B-Y using the reference signal supplied from the reference signal generation circuit 3 to obtain a chroma signal C.
以上の様に撮像素子２よシ得られ九輝度信号Ｙ、クロマ
信号Ｃは切換スイッチ９，１００図中のＭａＫ供給され
る。尚該切準スイッチ９．１０はビデオカメラを用い念
記録の場合には図中のＭ側に接続されている為、輝度信
号Ｙ、クロマ信号Ｃけ切換スイッチ９，１０を介して切
換スイッチ１１．１２の図中のＲ＠に供給される。まな
、切換スイッチ１１．１２は記録時には図中のＲ側に接
続されている為、輝度信号Ｙは切換スイッチ１１を介し
てキャラクタ輝度信号付加回路１３に供給され、クロマ
信号Ｃは切換スイッチ１２を介してキャラクタクロマ信
号付加回路１４に供給される。As described above, the nine luminance signals Y and chroma signals C obtained from the image pickup device 2 are supplied to the changeover switches 9 and 100 shown in FIG. In addition, since the on/off switches 9 and 10 are connected to the M side in the figure when a video camera is used for recording, the brightness signal Y and chroma signal C are connected to the selector switch 11 via the selector switches 9 and 10. It is supplied to R@ in the figure of .12. Since the changeover switches 11 and 12 are connected to the R side in the figure during recording, the brightness signal Y is supplied to the character brightness signal addition circuit 13 via the changeover switch 11, and the chroma signal C is connected to the changeover switch 12. The signal is supplied to the character chroma signal adding circuit 14 via the character chroma signal adding circuit 14.
キャラクタ信号発生回路１５は、例えばタイトルや日付
けや時間等のキャラクタに応じた周知のカラーキャラク
タビデオ信号を不図示のシステムコントローラの指示に
従って発生するもので、キャラクタ輝度信号付加回路１
３にはキャラクタ輝度信号を供給し、該キャラクタクロ
マ付加回路１３では輝度信号中にキャラクタ輝度信号を
付加する６ま九、キャラクタクロマ付加回路１４には該
キャラクタ信号発生回路１５ニジキヤラクタクロマ信号
が供給され、キャラクタクロマ信号付加回路１４でけク
ロｉ信号Ｃ中にキャラクタクロマ信号を付加するゎ尚キ
ャラクタ輝度信号及びキャラクタクロマ信号は前記基準
信号発生回路３よシ発生される基準信号に従って互いに
同期が取られ念状態で輝度信号Ｙ、クロマ信号Ｃに付加
される。The character signal generation circuit 15 generates a well-known color character video signal corresponding to a character such as a title, date, time, etc. according to instructions from a system controller (not shown), and the character luminance signal addition circuit 1
3 supplies a character luminance signal, the character chroma addition circuit 13 adds a character luminance signal to the luminance signal, and the character chroma addition circuit 14 receives a character chroma signal from the character signal generation circuit 15. The character chroma signal addition circuit 14 adds the character chroma signal to the chrome i signal C.The character luminance signal and the character chroma signal are synchronized with each other according to the reference signal generated by the reference signal generation circuit 3. It is added to the luminance signal Y and chroma signal C in a state of confusion.
以上の様にしてキャラクタ信号が付加され次輝度信号Ｙ
は加算器１６．輝度信号記碌用プロセス回路１７に供給
され、キャラクタ信号が付加され几クロマ信号Ｃけ加算
器１６及び低域変換回路１８に供給される。As described above, the character signal is added to the next luminance signal Y.
is adder 16. The signal is supplied to a luminance signal recording process circuit 17, a character signal is added thereto, and the signal is supplied to a reduced chroma signal C-adder 16 and a low frequency conversion circuit 18.
そして、加算器１６では供給されている輝度信号Ｙとク
ロマ信号Ｃとが周波数多重され、該撮像素子２よυ得ら
れた被写体の撮像カラーテレビ信号として出力されると
共に不図示のカラービューファインダーに供給され、該
カラービューファインダーに撮像中の画面を映し出す。Then, the adder 16 frequency-multiplexes the supplied luminance signal Y and chroma signal C, and outputs the imaged image of the object to the image sensor 2 as a color television signal, as well as to a color viewfinder (not shown). The image being captured is displayed on the color viewfinder.
一方輝度信号記鎌用プロセス回路１２においては供給さ
れた輝度信号Ｙに対して、記録動作による信号の劣化を
抑える為のプリエンファシス等の記録用信号処理を行つ
九後にＰＭ変調回路１９においてＩＰＭＦＭ変調加算器
２０に供給される６ま之、低域変換回路１４においては
供給されているクロマ信号Ｃを周知の様に低域に周波数
変換し、該加算器２０に供給される。On the other hand, the luminance signal recording process circuit 12 performs recording signal processing such as pre-emphasis on the supplied luminance signal Y to suppress signal deterioration due to recording operation.After that, the PM modulation circuit 19 performs IPMFM. The chroma signal C supplied to the modulation adder 20 is frequency-converted in a low-frequency converting circuit 14 to a low frequency in a well-known manner, and is then supplied to the adder 20.
そして、ＦＭ変調され九輝度信号Ｙ、低域変換され九ク
ロマ信号Ｃは加算器２０において周波数多重された後、
記録増幅器２１において増幅され記録信号としてスイッ
チングプロセス回路２２に供給される。Then, the FM modulated nine luminance signal Y and the low frequency converted nine chroma signal C are frequency multiplexed in an adder 20, and then
The signal is amplified by a recording amplifier 21 and supplied to a switching process circuit 22 as a recording signal.
スイッチングプロセス回路２２は記録時には供給されて
いる上記記録信号を磁気ヘッド２３ａ。During recording, the switching process circuit 22 transfers the recording signal supplied to the magnetic head 23a.
２３ｂＫ例えばＮＴＥＩＯ方式テレビジョン信号対応の
場合には１／６０秒毎に切換えて供給し、不図示の磁気
テープ上に記録するものである。なお該磁気ヘッド２３
ａ、２３ｂは周知の回転磁気ヘッドである。For example, when the 23bK is compatible with NTEIO television signals, the signals are switched and supplied every 1/60 seconds and recorded on a magnetic tape (not shown). Note that the magnetic head 23
a and 23b are known rotary magnetic heads.
以上はビデオカメラを用いた場合の動作説明であるが本
実施例においては例えばテレビ等の外部装置からテレビ
信号を供給してそれを記録することが出来る様になって
おシ、以下、外部入力の場合の記録動作について説明す
る。外部入力端子２４工り入力され友人カカラーテレビ
信号は、フノルタ等によシ構成されている輝度クロマ分
離回路２５により輝度信号Ｙ、クロマ信号Ｃが分離され
、ｊ′４度信号Ｙは切換スイッチ９、またクロマ信号Ｃ
は切換スイッチ１００図中のＫ Ｉｌｌに供給される。The above is an explanation of the operation when using a video camera, but in this embodiment, it is possible to supply a television signal from an external device such as a television and record it. The recording operation in this case will be explained. The friend color TV signal inputted through the external input terminal 24 is separated into a luminance signal Y and a chroma signal C by a luminance chroma separation circuit 25 constructed by Funolta et al., and the j'4 degree signal Y is separated by a changeover switch. 9. Also chroma signal C
is supplied to K Ill in the changeover switch 100 diagram.
該切換スイッチ９，１０は外部入力の記録の場合には図
中のＺ側に接続されてお〕、輝度信号Ｙは切換スイッチ
９を介して切換スイッチ１１のＲ側へま念、クロマ信号
Ｃは切換スイッチ１０′Ｉｋ介して切換スイッチ１２の
Ｒ側に供給される。以下前記ビデオカメラを用い九場合
の記録動作と同様の処理が行なわれ、外部よ）入力され
九カラーテレビ信号はカラーキャラクタビデオ信号が付
加され不図示の磁気テープに記録される。以上の様にカ
メラ一体型ＶＴＲにおいてビデオカメラ撮映記碌時に用
いてい九キャラクター付原機構を外部入力カラーテレビ
信号の記録時にもけん用し之ことによ）構成が簡略化さ
れ、コストの低減を計ることが出来るものである。In the case of external input recording, the changeover switches 9 and 10 are connected to the Z side in the figure], and the luminance signal Y is passed through the changeover switch 9 to the R side of the changeover switch 11. is supplied to the R side of the changeover switch 12 via the changeover switch 10'Ik. Thereafter, processing similar to the recording operation in the case of 9 is performed using the video camera, and the input 9 color television signal is added with a color character video signal and recorded on a magnetic tape (not shown). As described above, the 9-character attachment mechanism used when recording video cameras in camera-integrated VTRs can also be used when recording externally input color television signals, simplifying the configuration and reducing costs. It is something that can be measured.
以下第１図の再生時の動作について説明する。The operation during reproduction shown in FIG. 1 will be explained below.
前述の様にして磁景テープ上に記録され友信号は該磁気
ヘッド２３ａ、２３ｂにより再生されスイッチングプロ
セス回路２２に供給される。該スイッチングプロセス回
路２２は再生時には磁気ヘッド２３ａ、２３ｂにニジ再
生され供給されている再生信号をやはｐ １／６０秒毎
に切換えて再生増幅器２６に供給している。The magnetic signals recorded on the magnetic tape as described above are reproduced by the magnetic heads 23a and 23b and supplied to the switching process circuit 22. During reproduction, the switching process circuit 22 switches the reproduction signal which is being repeatedly reproduced and supplied to the magnetic heads 23a and 23b every p1/60 seconds and supplies it to the reproduction amplifier 26.
そして再生増幅器２６によ）増幅された再生信号はバン
ドパスフィルタ（ＢＰＦ） ２７ 、ローパスフィルタ
（ＬＰＦ） ２８ 、同期信号分離回路２９に夫々供給
される。そして、ＢＰＦ２７では２Ｍ変調された輝度信
号Ｙを分離し、ＦＭｉ調回路３０に供給する。、ＬＰ７
２８では低域変換されたクロマ信号Ｃを分離し、周波数
変換回路３１に供給する。ま九同期分離回路２９によシ
分離され九同期信号Ｓは自動周波数制御・位相制御回路
（ＡＦＣ／ＡＰＣ） ３２に供給される。The reproduced signal amplified by the regenerative amplifier 26 is supplied to a band pass filter (BPF) 27, a low pass filter (LPF) 28, and a synchronization signal separation circuit 29, respectively. Then, the BPF 27 separates the 2M-modulated luminance signal Y and supplies it to the FMi adjustment circuit 30. , LP7
At 28, the low frequency converted chroma signal C is separated and supplied to the frequency conversion circuit 31. The nine synchronization signals S separated by the nine synchronization separation circuit 29 are supplied to an automatic frequency control/phase control circuit (AFC/APC) 32.
該ＦＭ復調回路３０ではＦＭ変調された輝度信号Ｙを復
調した後に輝度信号補正処理回路５３に供給する。The FM demodulation circuit 30 demodulates the FM-modulated luminance signal Y and then supplies it to the luminance signal correction processing circuit 53 .
ｔｅ、周波数変換回路３１は周知の様に再生され分離さ
れた低域変換されているクロマ信号Ｃの時間軸誤差（ジ
ッター）成分を除去すると共に、元のクロマ信号Ｃに変
換するものであり。As is well known, the frequency conversion circuit 31 removes the time axis error (jitter) component of the reproduced and separated chroma signal C, which has been low frequency converted, and converts it into the original chroma signal C.
前記ジッター成分の除去及び元のクロマ信号Ｃへの変換
動作は該ＡＦＯ／ＡＦＣ！ ５２により発生される信号
を用いて行なわれる。そして、この様にして復元され九
クロマ信号ＣはクロＶ信号補正処理回路３４に供給され
る。The operation of removing the jitter component and converting to the original chroma signal C is performed by the AFO/AFC! This is done using a signal generated by 52. Then, the nine chroma signal C restored in this manner is supplied to the black V signal correction processing circuit 34.
そして、輝度信号補正処理回路３３１．クロマ信号補正
処理回路３４においては再生時【発生する信号のドロッ
プアウトや、ノイズ成分の発生及び高周波成分の劣化等
にょυ各信号が劣化している為、これらを周知の方法に
より補正するものである。Then, the luminance signal correction processing circuit 331. In the chroma signal correction processing circuit 34, each signal is degraded during playback, such as signal dropout, noise component generation, and high frequency component deterioration. Therefore, these are corrected using well-known methods. be.
以上の様にして再生時の補正処理が行なわれた輝度信号
Ｙ、クロマ信号Ｃは、輝度信号Ｙが切換スイッチ１１．
クロマ信号Ｃが切換スイッチ１２の図中のＰ側に供給さ
れる。The luminance signal Y and the chroma signal C, which have been subjected to the correction processing during playback as described above, are transferred to the selector switch 11.
The chroma signal C is supplied to the P side of the changeover switch 12 in the figure.
彦お、再生時ＫＭ切換スイッチ１１．１２ｄ図中のＰ側
に接続されておシ、輝度信号Ｙは切換スイッチ１１を介
してキャラクタ輝度信号付加回路１３に、ま之クロマ信
号Ｃは切換スイッチ１２を介してキャラクタクロマ信号
付加回路１４に供給され、記録時と同様の処理にニジ各
信号くはカラーキャラクタビデオ信号が付加される。During playback, the KM changeover switch 11.12d is connected to the P side in the figure.The brightness signal Y is connected to the character brightness signal addition circuit 13 via the changeover switch 11, and the chroma signal C is connected to the changeover switch 12. The signal is supplied to the character chroma signal adding circuit 14 via the character chroma signal addition circuit 14, and the rainbow signals or color character video signals are added to the same processing as during recording.
そして加算器１６においては以上の様にカラーキャラク
タビデオ信号が付加された輝度信号Ｙ、クロマ信号Ｃが
周波数多重され、再生カラーテレビ信号として出力され
る。ところでこの時スイッチングプロセス回路１８にお
いては再生時のスイッチング動作が行なわれている為誤
まって記録が行なわれることはない。Then, in the adder 16, the luminance signal Y and the chroma signal C to which the color character video signal has been added as described above are frequency-multiplexed and output as a reproduced color television signal. By the way, since the switching process circuit 18 performs the switching operation during reproduction at this time, there is no possibility that recording will be performed by mistake.
以上の様に磁気テープに記録されているカラを付加し出
力することが出来る様になる。As described above, it becomes possible to add and output the color recorded on the magnetic tape.
また１本実施例においては色情報のキャラクタ信号をク
ロマ信号の状態で付刃口したがこれに限らず１例えばク
ロマ信号をＲＧＢや色差信゛号Ｐ７Ｙ、Ｂ−Ｙ等のベー
スバンド信号に変換し、該キャラクタ信号を付方０する
様にすることにより付加するキャラクタの色情報を更に
増やすことが容易にな９、また、キャラクタ信号の付加
による信号の劣化を抑えることも出来る。In addition, in this embodiment, the character signal of color information is attached to the cutting edge in the state of a chroma signal, but the invention is not limited to this.For example, the chroma signal is converted to a baseband signal such as RGB or color difference signals P7Y, B-Y However, by assigning the character signal a value of 0, it is easy to further increase the color information of the added character9, and it is also possible to suppress the deterioration of the signal due to the addition of the character signal.
また１本実施例においてはカメラ一体型ＶＴＲを例とし
て説明して来たが、これに限らず、スチルビデオカメ２
等の装置にも用いることが出来、同様の効果が得られる
ものである。In addition, although the present embodiment has been described using a camera-integrated VTR as an example, the present invention is not limited to this.
It can also be used in other devices, and similar effects can be obtained.
以上説明して来た様に本発明にょυ、簡単で低コストな
構成によシ、再生時Ｋｆｒ之なカラービデオ信号を容易
に付加することが出来るカラービデオ信号再生装置を提
供することが出来る。As explained above, the present invention can provide a color video signal reproducing device that has a simple and low-cost configuration and can easily add Kfr color video signals during playback. .
第１図は本発明の一実施例として１本発明をカメラ一体
型’ＶＴＲＫ ａ用し之場合の概略構成図を示した図で
ある。
２・・・撮像素子
９．１０，１１．１２・・・切換スイッチ１３・・・キ
ャラクタ輝度信号付加回路１４・・・キャラクタクロマ
信号付加回路１５・・・キャラクタ信号発生回路
２４・・・入力端子
２５・・・輝度クロマ分離回路FIG. 1 is a diagram showing a schematic configuration diagram of an embodiment of the present invention in which the present invention is applied to a camera-integrated 'VTRK a. 2...Image sensor 9.10, 11.12...Selector switch 13...Character luminance signal addition circuit 14...Character chroma signal addition circuit 15...Character signal generation circuit 24...Input terminal 25... Luminance chroma separation circuit
Claims (1)
じた輝度信号及び色情報信号を発生する撮像手段と、記
録媒体からカラービデオ信号を再生する再生手段と、前
記再生手段により再生されたカラービデオ信号から輝度
信号及び色情報信号とを分離する分離手段と、カラービ
デオ信号を発生するカラービデオ信号発生手段と、撮像
手段より発生された輝度信号及び色情報信号と前記分離
手段により分離された輝度信号及び色情報信号に前記カ
ラービデオ信号発生手段より発生されたカラービデオ信
号を択一的に付加する付加手段とを備えたことを特徴と
するカラービデオ信号再生装置。an imaging means that generates a luminance signal and a color information signal according to imaging information of the object by imaging a subject; a reproduction means that reproduces a color video signal from a recording medium; and a color video signal reproduced by the reproduction means. a separation means for separating a luminance signal and a color information signal from a color information signal; a color video signal generation means for generating a color video signal; and a luminance signal and a color information signal generated by the imaging means and a luminance signal separated by the separation means. and addition means for selectively adding the color video signal generated by the color video signal generation means to the color information signal.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61120883A JP2603224B2 (en) | 1986-05-26 | 1986-05-26 | Color video signal recording and playback device |
| US07/046,250 US4878128A (en) | 1986-05-12 | 1987-05-05 | Video signal reproducing apparatus |
| US07/609,118 US5159462A (en) | 1986-05-12 | 1990-10-31 | Video signal generating apparatus |
| US08/329,776 US5818999A (en) | 1986-05-12 | 1994-10-27 | Video signal reproducing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61120883A JP2603224B2 (en) | 1986-05-26 | 1986-05-26 | Color video signal recording and playback device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62277882A true JPS62277882A (en) | 1987-12-02 |
| JP2603224B2 JP2603224B2 (en) | 1997-04-23 |
Family
ID=14797330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61120883A Expired - Fee Related JP2603224B2 (en) | 1986-05-12 | 1986-05-26 | Color video signal recording and playback device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2603224B2 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01106594A (en) * | 1987-10-19 | 1989-04-24 | Sony Corp | Character inserting device |
| JPH01303892A (en) * | 1988-06-01 | 1989-12-07 | Toshiba Corp | Magnetic recording device and reproducing device |
| JPH02138984U (en) * | 1989-04-24 | 1990-11-20 | ||
| JPH0326088A (en) * | 1989-06-22 | 1991-02-04 | Sharp Corp | Magnetic recording and reproducing device |
| JPH03226079A (en) * | 1990-01-30 | 1991-10-07 | Sharp Corp | Superimpose signal processing circuit |
| JPH05219470A (en) * | 1992-01-31 | 1993-08-27 | Victor Co Of Japan Ltd | Video signal reproducing device |
-
1986
- 1986-05-26 JP JP61120883A patent/JP2603224B2/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01106594A (en) * | 1987-10-19 | 1989-04-24 | Sony Corp | Character inserting device |
| JPH01303892A (en) * | 1988-06-01 | 1989-12-07 | Toshiba Corp | Magnetic recording device and reproducing device |
| JPH02138984U (en) * | 1989-04-24 | 1990-11-20 | ||
| JPH0326088A (en) * | 1989-06-22 | 1991-02-04 | Sharp Corp | Magnetic recording and reproducing device |
| JPH03226079A (en) * | 1990-01-30 | 1991-10-07 | Sharp Corp | Superimpose signal processing circuit |
| JPH05219470A (en) * | 1992-01-31 | 1993-08-27 | Victor Co Of Japan Ltd | Video signal reproducing device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2603224B2 (en) | 1997-04-23 |
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|---|---|---|---|
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