JPS62173886U - - Google Patents
Info
- Publication number
- JPS62173886U JPS62173886U JP1986062476U JP6247686U JPS62173886U JP S62173886 U JPS62173886 U JP S62173886U JP 1986062476 U JP1986062476 U JP 1986062476U JP 6247686 U JP6247686 U JP 6247686U JP S62173886 U JPS62173886 U JP S62173886U
- Authority
- JP
- Japan
- Prior art keywords
- luminance signal
- amplitude
- image sensor
- solid
- signal component
- 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
- 238000001514 detection method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 12
Landscapes
- Color Television Image Signal Generators (AREA)
Description
第1図は、本考案の一実施例の要部のブロツク
図、第2図は第1図の実施例の各部の信号波形図
、第3図は固体撮像素子の出力信号の周波数帯域
を示す図、第4図は第1図のバンドパスフイルタ
の通過帯域を示す特性図、第5図は第1図のバン
ドパスフイルタの出力の周波数帯域を示す図、第
6図は第1図のローパスフイルタの出力の周波数
帯域を示す図、第7図は固体撮像素子の色フイル
タの配置を示す図、第8図は固体撮像素子から出
力される信号成分を示す図、第9図は従来例のブ
ロツク図、第10図は第9図のローパスフイルタ
の通過帯域を示す特性図、第11図は第9図のロ
ーパスフイルタの出力の周波数帯域を示す図、第
12図は第9図の従来例の各部の波形図である。
1……固体撮像素子、2……バンドパスフイル
タ、3……検波回路、4……ローパスフイルタ、
f0……水平転送周波数、T……水平転送周期。
Fig. 1 is a block diagram of the main parts of an embodiment of the present invention, Fig. 2 is a signal waveform diagram of each part of the embodiment of Fig. 1, and Fig. 3 shows the frequency band of the output signal of the solid-state image sensor. Figure 4 is a characteristic diagram showing the pass band of the band pass filter in Figure 1, Figure 5 is a diagram showing the frequency band of the output of the band pass filter in Figure 1, and Figure 6 is a characteristic diagram showing the pass band of the band pass filter in Figure 1. FIG. 7 is a diagram showing the frequency band of the output of the filter, FIG. 7 is a diagram showing the arrangement of the color filter of the solid-state image sensor, FIG. 8 is a diagram showing the signal components output from the solid-state image sensor, and FIG. 9 is a diagram of the conventional example. Block diagram, Figure 10 is a characteristic diagram showing the pass band of the low-pass filter in Figure 9, Figure 11 is a diagram showing the frequency band of the output of the low-pass filter in Figure 9, and Figure 12 is the conventional example in Figure 9. FIG. 1...Solid-state image sensor, 2...Band pass filter, 3...Detection circuit, 4...Low pass filter,
f0 ...Horizontal transfer frequency, T...Horizontal transfer period.
Claims (1)
波数を搬送波とする振幅変調された輝度信号成分
の上側波帯を分離するバンドパスフイルタと、こ
のバンドパスフイルタによつて分離された前記輝
度信号成分を検波する検波回路とを備え、前記輝
度信号成分を残留側波帯振幅復調して輝度信号を
取り出すことを特徴とするカラービデオカメラ。 a bandpass filter that separates an upper sideband of an amplitude-modulated luminance signal component whose carrier wave is a horizontal transfer frequency included in an output signal of a solid-state image sensor; What is claimed is: 1. A color video camera comprising: a detection circuit for detecting a signal, and extracting a luminance signal by demodulating the residual sideband amplitude of the luminance signal component.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1986062476U JPS62173886U (en) | 1986-04-24 | 1986-04-24 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1986062476U JPS62173886U (en) | 1986-04-24 | 1986-04-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS62173886U true JPS62173886U (en) | 1987-11-05 |
Family
ID=30896793
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1986062476U Pending JPS62173886U (en) | 1986-04-24 | 1986-04-24 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS62173886U (en) |
-
1986
- 1986-04-24 JP JP1986062476U patent/JPS62173886U/ja active Pending
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