JPH0186381U - - Google Patents
Info
- Publication number
- JPH0186381U JPH0186381U JP18126087U JP18126087U JPH0186381U JP H0186381 U JPH0186381 U JP H0186381U JP 18126087 U JP18126087 U JP 18126087U JP 18126087 U JP18126087 U JP 18126087U JP H0186381 U JPH0186381 U JP H0186381U
- Authority
- JP
- Japan
- Prior art keywords
- gain switching
- circuit
- image pickup
- color camera
- camera device
- 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
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Landscapes
- Picture Signal Circuits (AREA)
- Color Television Image Signal Generators (AREA)
- Processing Of Color Television Signals (AREA)
Description
第１図は本考案のパルスキヤンセル回路の一実
施例を示すブロツク図、第２図は本考案のパルス
キヤンセル回路の第２の実施例を示すブロツク図
、第３図はカラーカメラ装置の映像系のブロツク
図、第４図はプロセス回路および従来のパルスキ
ヤンセル回路を示す図、第５図はパルスキヤンセ
ル回路の説明の図。
１……レンズ、２……３色分解光学系、３，４
，５……撮像素子、６，７，８……プリアンプ、
９，１０，１１……プロセスアンプ、１２……カ
ラーエンコーダー、１３……パルスキヤンセル回
路、１４……利得切り替え回路、１５……クラン
プ回路、１６……ガンマ回路、１７……黒クリツ
プ回路、１８……出力回路、１９……利得切り替
えスイツチ、２０……利得切り替え回路入力抵抗
器、２１，２２，２３……利得切り替え回路帰還
抵抗器、２４……パルスキヤンセル補正器、２５
，２６，２７……パルスキヤンセル補正器、２８
……パルスキヤンセル補正器切り替えスイツチ、
２９……メモリー、３０……メモリー入力切り替
えスイツチ、３１……比較器、３２……比較電圧
調整器。
FIG. 1 is a block diagram showing an embodiment of the pulse cancel circuit of the present invention, FIG. 2 is a block diagram showing a second embodiment of the pulse cancel circuit of the present invention, and FIG. 3 is a video system of a color camera device. FIG. 4 is a diagram showing a process circuit and a conventional pulse cancel circuit, and FIG. 5 is a diagram explaining the pulse cancel circuit. 1... Lens, 2... 3 color separation optical system, 3, 4
, 5...imaging element, 6, 7, 8... preamplifier,
9, 10, 11... Process amplifier, 12... Color encoder, 13... Pulse cancel circuit, 14... Gain switching circuit, 15... Clamp circuit, 16... Gamma circuit, 17... Black clip circuit, 18 ...Output circuit, 19... Gain switching switch, 20... Gain switching circuit input resistor, 21, 22, 23... Gain switching circuit feedback resistor, 24... Pulse cancellation corrector, 25
, 26, 27...Pulse cancellation corrector, 28
...Pulse cancel compensator changeover switch,
29...Memory, 30...Memory input changeover switch, 31...Comparator, 32...Comparison voltage regulator.
Claims (1)
いて、前記撮像素子と同数の利得切替回路とパル
スキヤンセル回路とを有し、前記利得切替回路の
利得切替えに連動して異なる補正レベルを提供す
るパルスキヤンセル補正器を具備するカラーカメ
ラ装置。 A color camera device including a plurality of image pickup elements includes the same number of gain switching circuits and pulse cancellation circuits as the image pickup elements, and provides different correction levels in conjunction with gain switching of the gain switching circuit. A color camera device equipped with a device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18126087U JPH0186381U (en) | 1987-11-27 | 1987-11-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18126087U JPH0186381U (en) | 1987-11-27 | 1987-11-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0186381U true JPH0186381U (en) | 1989-06-07 |
Family
ID=31472749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18126087U Pending JPH0186381U (en) | 1987-11-27 | 1987-11-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0186381U (en) |
-
1987
- 1987-11-27 JP JP18126087U patent/JPH0186381U/ja active Pending
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