JPH0475475U - - Google Patents
Info
- Publication number
- JPH0475475U JPH0475475U JP11960390U JP11960390U JPH0475475U JP H0475475 U JPH0475475 U JP H0475475U JP 11960390 U JP11960390 U JP 11960390U JP 11960390 U JP11960390 U JP 11960390U JP H0475475 U JPH0475475 U JP H0475475U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- synchronization signal
- controller
- camera
- power supply
- 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
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Landscapes
- Closed-Circuit Television Systems (AREA)
- Processing Of Color Television Signals (AREA)
- Synchronizing For Television (AREA)
Description
第１図はこの考案の一実施例によるテレビカメ
ラ装置を示す構成図、第２図、第３図と第４図は
第１図に示した実施例の変形例を示す構成図、第
５図は第１図から第４図における実施例の信号波
形を示した図、第６図と第７図は従来のテレビカ
メラ装置を示す構成図、第８図は第７図に示した
従来例の信号波形を示した図である。
図において１はコントローラー、２はカメラ、
３は同軸ケーブル、４はＡＣ−ＤＣコンバータ、
５は定電流電源、６はインピーダンス変換回路、
７は映像信号源、８は定電圧電源、９は負荷、１
１はＡＣ電源入力端子、１２は電源、１３は同期
信号発生器、１４は映像スイツチヤ、１５は映像
信号出力端子、１６は信号検出回路、１７は変調
した同期信号を発生する信号発生器、１８はスイ
ツチ、１９は位相信号検出回路、２０は制御信号
付加回路、２１は電源、２２は同期信号分離回路
、２３はクロツク信号発生器、２４はロータリー
スイツチ、２５はＣＣＤ、２６は映像信号処理回
路、２７は信号付加回路、２８は位相信号検出回
路、２９は制御回路、３０は同期信号検波回路で
ある。なお、図中、同一符号は同一、または相当
部分を示す。
FIG. 1 is a block diagram showing a television camera device according to an embodiment of this invention; FIGS. 2, 3, and 4 are block diagrams showing modifications of the embodiment shown in FIG. 1; FIG. is a diagram showing the signal waveform of the embodiment shown in FIGS. 1 to 4, FIGS. 6 and 7 are block diagrams showing a conventional television camera device, and FIG. 8 is a diagram showing the conventional example shown in FIG. 7. FIG. 3 is a diagram showing signal waveforms. In the figure, 1 is the controller, 2 is the camera,
3 is a coaxial cable, 4 is an AC-DC converter,
5 is a constant current power supply, 6 is an impedance conversion circuit,
7 is a video signal source, 8 is a constant voltage power supply, 9 is a load, 1
1 is an AC power input terminal, 12 is a power supply, 13 is a synchronization signal generator, 14 is a video switcher, 15 is a video signal output terminal, 16 is a signal detection circuit, 17 is a signal generator that generates a modulated synchronization signal, 18 is a switch, 19 is a phase signal detection circuit, 20 is a control signal addition circuit, 21 is a power supply, 22 is a synchronization signal separation circuit, 23 is a clock signal generator, 24 is a rotary switch, 25 is a CCD, and 26 is a video signal processing circuit. , 27 is a signal addition circuit, 28 is a phase signal detection circuit, 29 is a control circuit, and 30 is a synchronous signal detection circuit. In addition, in the figures, the same reference numerals indicate the same or equivalent parts.
Claims (1)
ーラーからカメラに供給し、カメラは外部同期信
号に同期した映像信号を再び電源電圧に重畳させ
てコントローラーに送り返すテレビカメラ装置に
おいて、外部同期信号を垂直同期信号、水平同期
信号、カラーバースト信号から成るものとし、カ
メラ側からは外部同期信号に対し位相が可変でき
る映像信号のみをコントローラーへ送り出すよう
にしたことを特徴とするテレビカメラ装置。 In television camera equipment, the external synchronization signal is superimposed on the power supply voltage and supplied from the controller to the camera, and the camera superimposes the video signal synchronized with the external synchronization signal on the power supply voltage and sends it back to the controller. , a horizontal synchronization signal, and a color burst signal, and the television camera device is characterized in that the camera side sends only a video signal whose phase can be varied with respect to an external synchronization signal to a controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11960390U JPH0475475U (en) | 1990-11-14 | 1990-11-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11960390U JPH0475475U (en) | 1990-11-14 | 1990-11-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0475475U true JPH0475475U (en) | 1992-07-01 |
Family
ID=31867549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11960390U Pending JPH0475475U (en) | 1990-11-14 | 1990-11-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0475475U (en) |
-
1990
- 1990-11-14 JP JP11960390U patent/JPH0475475U/ja active Pending
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