JPS6381483U - - Google Patents
Info
- Publication number
- JPS6381483U JPS6381483U JP12582186U JP12582186U JPS6381483U JP S6381483 U JPS6381483 U JP S6381483U JP 12582186 U JP12582186 U JP 12582186U JP 12582186 U JP12582186 U JP 12582186U JP S6381483 U JPS6381483 U JP S6381483U
- Authority
- JP
- Japan
- Prior art keywords
- pulse
- superimposing
- video signal
- predetermined level
- function
- 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
- 238000010586 diagram Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
Landscapes
- Television Receiver Circuits (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
Description
第２図は従来の利得制御回路のブロツク図、第
１図は本考案を説明するためのブロツク図である
。
４：映像信号出力回路、５：検出用パルス発生
回路、６：混合回路、７：コンピユータ入出力回
路、８：利得制御回路、９：サンプルホールド回
路、１０：比較回路。
FIG. 2 is a block diagram of a conventional gain control circuit, and FIG. 1 is a block diagram for explaining the present invention. 4: Video signal output circuit, 5: Detection pulse generation circuit, 6: Mixing circuit, 7: Computer input/output circuit, 8: Gain control circuit, 9: Sample and hold circuit, 10: Comparison circuit.
Claims (1)
る機能と、信号レベルを検出できる機能を持つテ
レビジヨンカメラにおいて、ブランキング期間中
に所定レベルのパルスを重畳する手段と、このパ
ルスのレベルが所定値となるように映像信号利得
制御回路の利得を制御する手段を有し、リアルタ
イムで映像信号の調整、故障診断を行なうことを
特徴としたテレビジヨンカメラ装置。 In a television camera having a function of varying the video signal gain with a remote controller and a function of detecting the signal level, there is provided a means for superimposing a pulse of a predetermined level during a blanking period, and a means for superimposing a pulse of a predetermined level during a blanking period, and a means for superimposing a pulse of a predetermined level so that the level of this pulse becomes a predetermined value. A television camera device characterized in that it has means for controlling the gain of a video signal gain control circuit, and adjusts the video signal and diagnoses failures in real time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12582186U JPH055750Y2 (en) | 1986-08-20 | 1986-08-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12582186U JPH055750Y2 (en) | 1986-08-20 | 1986-08-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6381483U true JPS6381483U (en) | 1988-05-28 |
| JPH055750Y2 JPH055750Y2 (en) | 1993-02-15 |
Family
ID=31019052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12582186U Expired - Lifetime JPH055750Y2 (en) | 1986-08-20 | 1986-08-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH055750Y2 (en) |
-
1986
- 1986-08-20 JP JP12582186U patent/JPH055750Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH055750Y2 (en) | 1993-02-15 |
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