JPS63181062U - - Google Patents
Info
- Publication number
- JPS63181062U JPS63181062U JP1987071093U JP7109387U JPS63181062U JP S63181062 U JPS63181062 U JP S63181062U JP 1987071093 U JP1987071093 U JP 1987071093U JP 7109387 U JP7109387 U JP 7109387U JP S63181062 U JPS63181062 U JP S63181062U
- Authority
- JP
- Japan
- Prior art keywords
- amplification
- camera
- synthesizer
- detects
- aperture
- 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 description 4
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 claims description 4
- 238000003384 imaging method Methods 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims 1
- 230000002194 synthesizing effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Description
第１図はこの考案の一実施例を示す構成図、第
２図は従来の１シヨツト用シヤツタ付ＴＶカメラ
自動絞り装置を示す構成図である。
図において１はレンズ、２は絞り、３はシヤツ
タ、４はＴＶカメラ、５は映像信号、６は光セン
サ１、７は増巾合成器、８は絞り制御器、９は絞
り制御信号、１０は撮像視野、１１は被写体、１
２は視野内平均光量入力、１３は太陽、１４は太
陽入射光、１５は光センサ２、１６は増巾器であ
る。尚、各図中同一符号は同一又は相当部分を示
す。
FIG. 1 is a block diagram showing an embodiment of this invention, and FIG. 2 is a block diagram showing a conventional automatic diaphragm device for a TV camera with a shutter for one shot. In the figure, 1 is a lens, 2 is an aperture, 3 is a shutter, 4 is a TV camera, 5 is a video signal, 6 is a photosensor 1, 7 is an amplification combiner, 8 is an aperture controller, 9 is an aperture control signal, 10 is the imaging field of view, 11 is the subject, 1
Reference numeral 2 indicates an average light amount input within the field of view, 13 indicates the sun, 14 indicates incident sunlight, 15 indicates the optical sensor 2, and 16 indicates an amplifier. Note that the same reference numerals in each figure indicate the same or corresponding parts.
Claims (1)
内平均光量を検出する光センサと、被写体への直
射入光光量を検出するもう一方の光センサと、こ
れらの各々の光センサからの検出信号を増巾し合
成する増巾合成器と、増巾合成器の信号からレン
ズ系の絞りを開閉制御する絞り制御器とから成る
ことを特徴とするＴＶカメラ用自動絞り装置。 A TV camera with a shutter for shooting, an optical sensor that detects the average amount of light within the imaging field of view, another optical sensor that detects the amount of light directly incident on the subject, and amplification of the detection signals from each of these optical sensors. An automatic diaphragm device for a TV camera, comprising: an amplification synthesizer for synthesizing the apertures; and an aperture controller for controlling opening/closing of an aperture of a lens system based on a signal from the amplification synthesizer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987071093U JPS63181062U (en) | 1987-05-13 | 1987-05-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987071093U JPS63181062U (en) | 1987-05-13 | 1987-05-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63181062U true JPS63181062U (en) | 1988-11-22 |
Family
ID=30913341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987071093U Pending JPS63181062U (en) | 1987-05-13 | 1987-05-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63181062U (en) |
-
1987
- 1987-05-13 JP JP1987071093U patent/JPS63181062U/ja active Pending
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