JPS6247277U - - Google Patents
Info
- Publication number
- JPS6247277U JPS6247277U JP13763285U JP13763285U JPS6247277U JP S6247277 U JPS6247277 U JP S6247277U JP 13763285 U JP13763285 U JP 13763285U JP 13763285 U JP13763285 U JP 13763285U JP S6247277 U JPS6247277 U JP S6247277U
- Authority
- JP
- Japan
- Prior art keywords
- detecting
- video
- signal
- comparison
- detected
- 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
- 230000003321 amplification Effects 0.000 claims 1
- 238000003199 nucleic acid amplification method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
Landscapes
- Television Receiver Circuits (AREA)
Description
第１図は本考案の電子ビユーフアインダ付ビデ
オカメラの概略ブロツオ図、第２図は従来の電子
ビユーフアインダの概略ブロツク図である。
１…カラーエンコーダ、３…ビユーフアインダ
用ビデオ増幅回路、４…ブラウン管、５…ビデオ
信号検出回路、６…比較検出器、７…制御回路。
FIG. 1 is a schematic block diagram of a video camera with an electronic viewfinder according to the present invention, and FIG. 2 is a schematic block diagram of a conventional electronic viewfinder. DESCRIPTION OF SYMBOLS 1... Color encoder, 3... Video amplifier circuit for viewfinder, 4... Braun tube, 5... Video signal detection circuit, 6... Comparison detector, 7... Control circuit.
Claims (1)
する検出手段と、 この検出手段で検出されたビデオ信号の同期信
号レベルを検出し、この検出された同期信号レベ
ルと基準レベルとを比較する比較手段と、 この比較手段からの比較信号によりビユーフア
インダ用のビデオ増幅回路の増幅度を出力が一定
となるように制御する制御手段とを備えてなるこ
とを特徴とする電子ビユーフアインダ付ビデオカ
メラ。[Claims for Utility Model Registration] Detecting means for detecting a video signal from a video tape recorder; Detecting a synchronizing signal level of the video signal detected by the detecting means; and comparing the detected synchronizing signal level and a reference level. and a control means for controlling the amplification degree of the video amplifier circuit for the viewfinder so that the output is constant based on the comparison signal from the comparison means. camera.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13763285U JPS6247277U (en) | 1985-09-09 | 1985-09-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13763285U JPS6247277U (en) | 1985-09-09 | 1985-09-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6247277U true JPS6247277U (en) | 1987-03-23 |
Family
ID=31041867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13763285U Pending JPS6247277U (en) | 1985-09-09 | 1985-09-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6247277U (en) |
-
1985
- 1985-09-09 JP JP13763285U patent/JPS6247277U/ja active Pending
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