JPS6234867U - - Google Patents
Info
- Publication number
- JPS6234867U JPS6234867U JP12614485U JP12614485U JPS6234867U JP S6234867 U JPS6234867 U JP S6234867U JP 12614485 U JP12614485 U JP 12614485U JP 12614485 U JP12614485 U JP 12614485U JP S6234867 U JPS6234867 U JP S6234867U
- Authority
- JP
- Japan
- Prior art keywords
- brightness
- television camera
- gate
- automatic sensitivity
- sensitivity adjuster
- 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
- 238000003384 imaging method Methods 0.000 claims description 2
- 230000035945 sensitivity Effects 0.000 claims 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
Landscapes
- Closed-Circuit Television Systems (AREA)
Description
第１図ａ，ｂは本考案の概略説明用の撮像画面
図、第２図は本考案の一実施例の回路構成図であ
る。
１……テレビカメラ、２……ビデオ出力端子、
３……ゲート回路、４……検波回路、５……演算
回路、６……増幅回路、７……自動位置制御回路
、８，９……ゲートパルス発生回路、１０……検
出回路。
FIGS. 1a and 1b are imaging screen diagrams for explaining the outline of the present invention, and FIG. 2 is a circuit configuration diagram of an embodiment of the present invention. 1...TV camera, 2...Video output terminal,
3...Gate circuit, 4...Detection circuit, 5...Arithmetic circuit, 6...Amplification circuit, 7...Automatic position control circuit, 8, 9...Gate pulse generation circuit, 10...Detection circuit.
Claims (1)
像画面の上下方向に並んで仮想的に設けた２個の
ゲートエリアを下から上方向に移動させる手段を
具備し、該２個のゲートエリアの内の上側のゲー
トエリアの輝度が所定値以上となつたときの下側
のゲートエリアの輝度により上記自動感度調整器
を制御するようにしたテレビカメラ。 A television camera equipped with an automatic sensitivity adjuster is equipped with a means for moving from bottom to top two gate areas that are virtually arranged in the vertical direction of the imaging screen, and one of the two gate areas is The television camera is configured to control the automatic sensitivity adjuster according to the brightness of the lower gate area when the brightness of the upper gate area exceeds a predetermined value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12614485U JPS6234867U (en) | 1985-08-20 | 1985-08-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12614485U JPS6234867U (en) | 1985-08-20 | 1985-08-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6234867U true JPS6234867U (en) | 1987-02-28 |
Family
ID=31019673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12614485U Pending JPS6234867U (en) | 1985-08-20 | 1985-08-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6234867U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02196586A (en) * | 1989-01-26 | 1990-08-03 | Matsushita Electric Ind Co Ltd | Television doorphone equipment |
-
1985
- 1985-08-20 JP JP12614485U patent/JPS6234867U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02196586A (en) * | 1989-01-26 | 1990-08-03 | Matsushita Electric Ind Co Ltd | Television doorphone equipment |