JPH0393366A - Television camera equipment - Google Patents
Television camera equipmentInfo
- Publication number
- JPH0393366A JPH0393366A JP1229190A JP22919089A JPH0393366A JP H0393366 A JPH0393366 A JP H0393366A JP 1229190 A JP1229190 A JP 1229190A JP 22919089 A JP22919089 A JP 22919089A JP H0393366 A JPH0393366 A JP H0393366A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- signals
- video signal
- video
- circuit
- 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
- 238000012545 processing Methods 0.000 claims abstract description 18
- 230000006835 compression Effects 0.000 claims abstract description 11
- 238000007906 compression Methods 0.000 claims abstract description 11
- 239000002131 composite material Substances 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 abstract description 4
- 238000003786 synthesis reaction Methods 0.000 abstract description 4
- 239000000203 mixture Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 2
- 230000001934 delay Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Landscapes
- Studio Circuits (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は外部入力映像信号と当該テレビジョンカメラの
映像信号とを適宜切換えて画面表示する機能を有するテ
レビジョンカメラ装置の改良に関するものである。[Detailed Description of the Invention] [Field of Industrial Application] The present invention relates to an improvement in a television camera device having a function of appropriately switching between an external input video signal and a video signal of the television camera and displaying the screen. .
第3図はテレビジョンカメラシステムの構成例で,カメ
ラヘッド1で撮像された映像信号はカメラケーブル2を
通じて映像信号処理ユニット3に送られ,該信号は,V
TRなどの外部機器に対し,それらの規格に合った信号
として,カメラシステムから出力されるよう映像信号処
理ユニット3内で処理される。FIG. 3 shows an example of the configuration of a television camera system, in which a video signal captured by a camera head 1 is sent to a video signal processing unit 3 through a camera cable 2, and the signal is
The signal is processed within the video signal processing unit 3 so that it is output from the camera system as a signal that conforms to the standards of external equipment such as a TR.
さて,゛カメラマンはカメラヘッド1に取付けられた画
像表示モニタ(ビューファインダ)4に,自身の操作し
ているカメラの映像信号を映出し,監視する他に,同一
現場にある他のカメラまたはオン・エアー等の映像信号
を選び出し監視しなければ々らない。Now, in addition to displaying and monitoring the video signal of the camera that the cameraman is operating on the image display monitor (viewfinder) 4 attached to the camera head 1, the cameraman also monitors other cameras or - It is necessary to select and monitor video signals such as air.
この為,従来は第2図に示すように,カメラの映像信号
処理ユニット3に,1個または複数の外部入力映像信号
(図の例ではA, B, C, D)を入力し,これら
の信号を垂直同期信号に同期したコントロール信号Gで
選択切換え(通常カメラマンがカメラヘッド1で切換コ
ントロール信号を発生させ,映像信号処理ユニット3内
で垂直同期信号に同期させる),カメラケーブル2内に
該選択切換え後の単一映像信号が送られ,カメラヘッド
1に送り返し映像信号Fとして伝送される0カメラヘッ
ド1に送り返された映像信号Fは当該カメラの映像信号
と適宜切換えられ(この切換えは映像信号処理ユニット
3で行なわれることもある0),第3図の画像表示モニ
タ(ビューファインダ)4に表示される。For this reason, conventionally, as shown in Figure 2, one or more external input video signals (A, B, C, D in the example shown) are input to the video signal processing unit 3 of the camera, and these signals are processed. The signal is selected and switched using the control signal G synchronized with the vertical synchronization signal (normally, the cameraman generates the switching control signal in the camera head 1 and synchronizes it with the vertical synchronization signal in the video signal processing unit 3), and the corresponding signal is connected in the camera cable 2. The single video signal after selection switching is sent and sent back to camera head 1 and transmitted as video signal F. The video signal F sent back to camera head 1 is appropriately switched with the video signal of the camera in question (this switching 0), which may be performed by the signal processing unit 3, and displayed on the image display monitor (viewfinder) 4 in FIG.
前述の従来技術では,カメラヘッドに取付けられた画像
表示モニタ(ビューファインダ)に,当該テレビジョン
カメラの映像信号,または外部入力映像信号の内のl映
像信号が単独または単純な重ね合せでしか表示できず,
選択切換操作が煩雑で,かつ順に選び出すため時間的ロ
スがあり,操作性が良くないという欠点があった0
本発明は,これらの欠点を解決するため,複数の外部入
力映像信号を,画像表示モニタ上の複数個に分割した一
画面の中に同時表示をも,可能とすることを目的とする
。In the above-mentioned conventional technology, the image display monitor (viewfinder) attached to the camera head displays only the video signal of the television camera or one of the externally input video signals alone or in a simple superposition. I can't,
The selection switching operation is complicated, there is a time loss as the selections are made sequentially, and the operability is poor.The present invention aims to solve these drawbacks by displaying a plurality of externally input video signals in an image display mode. The purpose is to enable simultaneous display on one screen divided into multiple parts on a monitor.
〔課題を解決するための手段および作用〕本発明は上記
の目的を達或するために,映像信号処理ユニット内に,
第1図(a)に示すように,画像合成手段を付加し,該
手段により複数の外部入力映像信号をディジタル映像処
理技術等により,時間軸圧縮,遅延,ゲート処理,混合
等の処理を行なうことによって,第1図(b)に示すよ
うに,カメラヘッドに取り付けられた画像表示モニタ(
ビューファインダ)上に,複数の外部入力映像信号を一
画面の中に分割して同時表示できるようにしたものであ
る。[Means and operations for solving the problems] In order to achieve the above object, the present invention includes a video signal processing unit that includes:
As shown in Fig. 1(a), an image synthesis means is added, and the means performs processing such as time axis compression, delay, gate processing, mixing, etc. on multiple external input video signals using digital video processing technology. By doing so, as shown in Figure 1(b), the image display monitor attached to the camera head (
This allows multiple external input video signals to be divided and displayed simultaneously on a single screen (viewfinder).
以下,本発明の一実施例を第1図,第4図により説明す
る。第1図(a)において,31は外部入力映像信号A
, Bの時間軸圧縮回路で,デイジタル化映像信号処理
等によって,外部人力映保信号A,Bの時間軸を1/2
に圧縮する。32は映像信勿ゲート回路で,それぞれ,
ゲートパルス発生回路33によって制御される。34は
映像信号を1/2垂直走査期間遅延させる遅延回路,3
5は上記時間軸圧縮回路31と同じ作用を持つ映像信号
の時間軸圧縮回路,36は上記ゲート回路32と同じ作
用を持つゲート回路,37は4つの外部入力映像信号A
, B, C, Dを時間軸混合し,一画面に4つの映
像信号を配鷹する混合回路,38及び39は映像信号の
切換回路である。An embodiment of the present invention will be described below with reference to FIGS. 1 and 4. In FIG. 1(a), 31 is an external input video signal A
, B's time axis compression circuit reduces the time axis of external human input video signals A and B to 1/2 by digitized video signal processing, etc.
Compress it into 32 is a video gate circuit;
It is controlled by a gate pulse generation circuit 33. 34 is a delay circuit that delays the video signal by 1/2 vertical scanning period;
5 is a video signal time-base compression circuit having the same function as the time-base compression circuit 31, 36 is a gate circuit having the same function as the gate circuit 32, and 37 is a circuit for four external input video signals A.
, B, C, and D on the time axis and distributes four video signals on one screen. Reference numerals 38 and 39 are video signal switching circuits.
第1図(b)は,第l図(a)で合成された4つの映像
信号の画像表示モニタ(ビー−ファインダ)画面上での
同時表示の例である。第4図は第1図(a)の画像合成
ブロックでの処理途中の映像信号の各部状態(第1図(
a)中の表示A, AI, A2, B, Bl, B
2,・・・・・・・・・・・・D, DI, D2,
D3, Eに相当する)を示丁0以下,この動作につい
て説明する。外部入力映像信号A,Bは時間軸圧縮回路
31により,その時間軸を172に圧縮され,それぞれ
映像信号AI,Blとなる。これらの信号AI,Blは
ゲート 回路32に入力され,信号AIは奇数番目毎,
信号B1は偶数番目毎の水平映像信号(1/2に時間圧
縮されたもの)が抜き出され,それぞれ信号,A2,B
2となる。ゲートパルス発生回路33は水平同期信号に
同期(もちろん映像信号A,Hにも同期)シ,それぞれ
信号A】の奇数番目,信号B1の偶数番目の水平映像信
号を抜き出す為のゲート信号を対応するゲート回路32
にそれぞれ与える。FIG. 1(b) is an example of simultaneous display of the four video signals synthesized in FIG. 1(a) on an image display monitor (Be-finder) screen. Figure 4 shows the state of each part of the video signal during processing in the image synthesis block of Figure 1(a) (Figure 1(a)).
Displays in a) A, AI, A2, B, Bl, B
2,・・・・・・・・・・・・D, DI, D2,
This operation will be explained below. The time axis of external input video signals A and B is compressed to 172 by a time axis compression circuit 31, and becomes video signals AI and Bl, respectively. These signals AI and Bl are input to the gate circuit 32, and the signal AI is input to every odd number,
For signal B1, every even-numbered horizontal video signal (time-compressed to 1/2) is extracted, and signals A2 and B are obtained, respectively.
It becomes 2. The gate pulse generation circuit 33 is synchronized with the horizontal synchronizing signal (of course, it is also synchronized with the video signals A and H), and corresponds to gate signals for extracting the odd-numbered horizontal video signals of the signal A and the even-numbered horizontal video signals of the signal B1, respectively. Gate circuit 32
give each.
一方,外部入力映像信号C,Dは遅延回路34により
1/2垂直走査期間遅延され,信号Cl,D】となり,
時間軸圧縮回路35でその時間軸を1/2に圧縮され,
信号C2,D2となり,ゲート回路36に入力され,信
号C2は奇数番目毎,信号D2は偶数番目毎の水平映像
信号(l/2に時間圧縮されたもの)が抜き出され,そ
れぞれ信号C3,D3となる。これら時間軸圧縮,遅延
,ゲート処理等された映像信号A2,B2,C3,D3
は,混合回路37で個々の同期信号,プランキング信号
を除去の上,加算され,1つの映像信号としての正規の
同期信号,プランキング信号が付け加えられ,信号Eと
なる0この混合映像信号Eは,切換回路39によって切
換回路38で選ばれた個別表示用の外部入力映像信号A
, B, C, D のいずれかと切換え,選択され
,送り返し映像信号Fとなる。ここで,切換回路38.
39のコントロール信号Gは,カメラマンによりカメラ
ヘッド側から制御可能であり,また切換回路38.39
は垂直同期信号に同期して切換動作する。切換回路39
により,混合映像信号Eが選択された場合,画像表示モ
ニタ(ビューファインダ)には,第l図(b)のように
画面上にA, B, C, Dの画像が4分割され同時
表示出来る。On the other hand, the external input video signals C and D are processed by the delay circuit 34.
Delayed by 1/2 vertical scanning period, the signals Cl, D] are obtained.
The time axis is compressed to 1/2 by the time axis compression circuit 35,
The signals C2 and D2 are inputted to the gate circuit 36, and the signal C2 is extracted from each odd numbered horizontal video signal, and the signal D2 is extracted from every even numbered horizontal video signal (time-compressed to 1/2), and the signals C3 and D2 are extracted, respectively. It becomes D3. Video signals A2, B2, C3, D3 that have been subjected to time axis compression, delay, gate processing, etc.
The mixing circuit 37 removes the individual synchronization signals and blanking signals, adds them together, adds the regular synchronization signal and blanking signal as one video signal, and becomes the signal E. This mixed video signal E is the external input video signal A for individual display selected by the switching circuit 38 by the switching circuit 39.
, B, C, or D, and the selected one becomes the sent-back video signal F. Here, the switching circuit 38.
The control signal G of 39 can be controlled by the cameraman from the camera head side, and can be controlled by the switching circuit 38.39.
switches in synchronization with the vertical synchronization signal. Switching circuit 39
Therefore, when mixed video signal E is selected, images A, B, C, and D are divided into four parts and can be displayed simultaneously on the image display monitor (viewfinder) as shown in Figure 1 (b). .
(発明・考案の効果)
本発明によれば,ディジタル信号処理化されたテレビジ
ョンカメラの映像処理ユニットのハードウエア,ソフト
ウエアを一部追加工夫することにより,比較的容易に画
像合成が可能となり,外部映像機器やオン・エアー映像
信号等の複数の映像信号をカメラヘッドの画像表示モニ
タ(ビューファインダ)に画面分割して同時表示出来る
ため,カメラの操作性が一段と向上出来る。(Effects of the Invention and Ideas) According to the present invention, image composition can be performed relatively easily by adding some additional improvements to the hardware and software of the video processing unit of a television camera that uses digital signal processing. , multiple video signals such as external video equipment and on-air video signals can be displayed simultaneously on the camera head's image display monitor (viewfinder) by dividing the screen, further improving the operability of the camera.
第3図は一般的々テレビジョンカメラシステムの構成図
,第2図は従来の外部入力映像信号のモニタリングシス
テムを説明するための図,第l図(a)は本発明の一実
施例の構成を示すブロック図,第1図(b)は画像合成
の表示状態を示す図,第4図は本発明のシステムの各部
波形を示すタイミングチャートである。31.35は時
間軸圧縮回路,32.36は映像信号のゲート回路,3
3はゲートパルス発生回路,34は映像信号の遅延回路
,37は映像信号の混合回路,38,39,は映織信号
の切換回路,A, B, C, Dは外部入力映像信号
,Fは送り返し映像信号,Gは切換回路38.39を切
換える為のコントロール信号である。
篇2図
堀4図
1Jt完i−1ft翻−−一一−ヤFIG. 3 is a configuration diagram of a general television camera system, FIG. 2 is a diagram for explaining a conventional external input video signal monitoring system, and FIG. 1(a) is a configuration diagram of an embodiment of the present invention. FIG. 1(b) is a block diagram showing the display state of image synthesis, and FIG. 4 is a timing chart showing waveforms of each part of the system of the present invention. 31.35 is a time axis compression circuit, 32.36 is a video signal gate circuit, 3
3 is a gate pulse generation circuit, 34 is a video signal delay circuit, 37 is a video signal mixing circuit, 38, 39 are video signal switching circuits, A, B, C, and D are external input video signals, and F is an external input video signal. The return video signal G is a control signal for switching the switching circuits 38 and 39. Volume 2 Figure Hori 4 Figure 1 Jt completed i-1ft translation--11-ya
Claims (1)
1つの外部入力映像信号を切り換えて画面表示する画像
表示モニタ手段を有するテレビジョンカメラに於て、上
記テレビジョンカメラの映像信号およびすくなくとも1
つの外部入力映像信号の中から所望数の映像信号を選択
し、これら選択映像信号を時間軸圧縮、遅延、ゲート処
理等により一画面に合成する手段を設け、上記画像表示
モニタ手段に適宜上記選択映像信号の画面分割合成画像
を表示することを特徴とするテレビジョンカメラ装置。1. In a television camera having an image display monitor means for switching and displaying the video signal of the television camera and at least one external input video signal on the screen, the video signal of the television camera and at least one
Means is provided to select a desired number of video signals from among the two externally input video signals and synthesize these selected video signals into one screen by time axis compression, delay, gate processing, etc., and the image display monitor means selects the above as appropriate. A television camera device characterized by displaying a screen-split composite image of video signals.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1229190A JPH0393366A (en) | 1989-09-06 | 1989-09-06 | Television camera equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1229190A JPH0393366A (en) | 1989-09-06 | 1989-09-06 | Television camera equipment |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0393366A true JPH0393366A (en) | 1991-04-18 |
Family
ID=16888217
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1229190A Pending JPH0393366A (en) | 1989-09-06 | 1989-09-06 | Television camera equipment |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0393366A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006295941A (en) * | 2005-04-14 | 2006-10-26 | Thomson Licensing | Camera system with pip in viewfinder |
-
1989
- 1989-09-06 JP JP1229190A patent/JPH0393366A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006295941A (en) * | 2005-04-14 | 2006-10-26 | Thomson Licensing | Camera system with pip in viewfinder |
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