JPS63140777U - - Google Patents
Info
- Publication number
- JPS63140777U JPS63140777U JP3182687U JP3182687U JPS63140777U JP S63140777 U JPS63140777 U JP S63140777U JP 3182687 U JP3182687 U JP 3182687U JP 3182687 U JP3182687 U JP 3182687U JP S63140777 U JPS63140777 U JP S63140777U
- Authority
- JP
- Japan
- Prior art keywords
- camera
- pass filter
- low
- phase detector
- external synchronization
- 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
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は本考案の一実施例を示すブロツク図で
ある。
１……電圧制御オシレータ、２……分周器、３
……位相検波器。
FIG. 1 is a block diagram showing one embodiment of the present invention. 1... Voltage controlled oscillator, 2... Frequency divider, 3
...Phase detector.
Claims (1)
構成される位相ロツクループ回路の発振器出力を
カメラ内の基準クロツクとして使用するカメラに
於て、外部からの同期信号を位相検波器の基準信
号として入力した時の低域フイルタの出力電圧を
検出し表示素子にて同期がかかつているか否かを
表示することを特徴とした外部同期付ビデオカメ
ラ。 In a camera that uses the oscillator output of a phase lock loop circuit consisting of a phase detector, low-pass filter, and voltage-controlled oscillator as the reference clock within the camera, an external synchronization signal is input as the reference signal of the phase detector. 1. A video camera with external synchronization, which detects the output voltage of a low-pass filter at the time of use, and displays whether or not synchronization is achieved on a display element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3182687U JPS63140777U (en) | 1987-03-06 | 1987-03-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3182687U JPS63140777U (en) | 1987-03-06 | 1987-03-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63140777U true JPS63140777U (en) | 1988-09-16 |
Family
ID=30837919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3182687U Pending JPS63140777U (en) | 1987-03-06 | 1987-03-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63140777U (en) |
-
1987
- 1987-03-06 JP JP3182687U patent/JPS63140777U/ja active Pending
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