JPS61104680U - - Google Patents
Info
- Publication number
- JPS61104680U JPS61104680U JP1984190360U JP19036084U JPS61104680U JP S61104680 U JPS61104680 U JP S61104680U JP 1984190360 U JP1984190360 U JP 1984190360U JP 19036084 U JP19036084 U JP 19036084U JP S61104680 U JPS61104680 U JP S61104680U
- Authority
- JP
- Japan
- Prior art keywords
- area
- imaging means
- imaged
- photometric device
- video signal
- 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 3
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 3
- 238000003384 imaging method Methods 0.000 claims 4
- 238000010586 diagram Methods 0.000 description 10
- 238000001514 detection method Methods 0.000 description 3
- 230000000737 periodic effect Effects 0.000 description 3
Landscapes
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Exposure Control For Cameras (AREA)
Description
第１図は本考案の一実施例の測光装置２０の簡
略化した回路図、第２図は撮像管２４によつて撮
像される領域Ｓ４の区分を説明するための図、第
３図は水平周期パルスＨ１，Ｈ２，Ｈ３の波形図
、第４図は垂直周期パルスＶ１，Ｖ２，Ｖ３の波
形図、第５図は検出信号補正回路２６の順次的に
変化する増幅率を説明するための図、第６図は先
行技術の測光装置１の簡略化した回路図、第７図
は第６図の撮像管５によつて撮像される領域Ｓ１
の区分を説明するための図、第８図は水平周期パ
ルスＨの波形図、第９図は垂直同期パルスＶの波
形図、第１０図は第６図の検出信号補正回路７の
増幅率を説明するための図である。
２０…測光装置、２２…レンズ、２３…絞り、
２４…撮像管、２６…検出信号補正回路、Ｓ４…
撮像された領域、Ｓ５，Ｓ６，Ｓ７，Ｓ８…領域
。
FIG. 1 is a simplified circuit diagram of a photometric device 20 according to an embodiment of the present invention, FIG. 2 is a diagram for explaining the division of the area S4 imaged by the image pickup tube 24, and FIG. 3 is a horizontal diagram. FIG. 4 is a waveform diagram of periodic pulses H1, H2, and H3, FIG. 4 is a waveform diagram of vertical periodic pulses V1, V2, and V3, and FIG. 5 is a diagram for explaining the sequentially changing amplification factor of the detection signal correction circuit 26. , FIG. 6 is a simplified circuit diagram of the prior art photometric device 1, and FIG. 7 shows the area S1 imaged by the image pickup tube 5 of FIG.
Figure 8 is a waveform diagram of the horizontal periodic pulse H, Figure 9 is a waveform diagram of the vertical synchronizing pulse V, and Figure 10 is a diagram showing the amplification factor of the detection signal correction circuit 7 in Figure 6. It is a figure for explaining. 20...Photometric device, 22...Lens, 23...Aperture,
24... Image pickup tube, 26... Detection signal correction circuit, S4...
Imaged areas S5, S6, S7, S8... area.
Claims (1)
定めた領域と、その外方に前記予め定めた領域か
ら遠ざかる方に順次的に区分される複数の外周領
域とに、個別的に対応した増幅率で、前記撮像手
段からの映像信号を増幅する増幅回路とを設けた
ことを特徴とする測光装置。 (2) 撮像手段は、撮像対象の明るさに対応した
映像信号を導出することを特徴とする実用新案登
録請求の範囲第１項記載の測光装置。[Scope of Claim for Utility Model Registration] (1) An imaging means, and an area imaged by the imaging means, which is divided into a predetermined area and an area outside of the area that is further away from the predetermined area. A photometric device comprising: an amplifying circuit for amplifying a video signal from the imaging means at an amplification factor individually corresponding to a plurality of outer circumferential regions. (2) The photometric device according to claim 1, wherein the imaging means derives a video signal corresponding to the brightness of the object to be imaged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984190360U JPS61104680U (en) | 1984-12-15 | 1984-12-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984190360U JPS61104680U (en) | 1984-12-15 | 1984-12-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61104680U true JPS61104680U (en) | 1986-07-03 |
Family
ID=30747812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1984190360U Pending JPS61104680U (en) | 1984-12-15 | 1984-12-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61104680U (en) |
-
1984
- 1984-12-15 JP JP1984190360U patent/JPS61104680U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS61104680U (en) | ||
| JPS61104679U (en) | ||
| JPS6234870U (en) | ||
| JPH02130168U (en) | ||
| JPS61162180U (en) | ||
| JPH0260376U (en) | ||
| JPH01175071U (en) | ||
| JPH01136294U (en) | ||
| JPS61187164U (en) | ||
| JPH0398555U (en) | ||
| JPS63185353U (en) | ||
| JPH0448776U (en) | ||
| JPS62188571A (en) | Driving method for solid-state image pickup device | |
| JPS6447182U (en) | ||
| JPS6428069U (en) | ||
| JPS6271967U (en) | ||
| JPS6341113U (en) | ||
| JPS6452371U (en) | ||
| JPH024375U (en) | ||
| JPS62193375U (en) | ||
| JPS6160570U (en) | ||
| JPH0338973U (en) | ||
| JPS61191665U (en) | ||
| JPS6425273U (en) | ||
| JPS5567282A (en) | Image pickup device assembling method |