JPS58119278U - Color signal discrimination device for SECAM color video signals - Google Patents
Color signal discrimination device for SECAM color video signalsInfo
- Publication number
- JPS58119278U JPS58119278U JP1426782U JP1426782U JPS58119278U JP S58119278 U JPS58119278 U JP S58119278U JP 1426782 U JP1426782 U JP 1426782U JP 1426782 U JP1426782 U JP 1426782U JP S58119278 U JPS58119278 U JP S58119278U
- Authority
- JP
- Japan
- Prior art keywords
- color
- secam
- video signals
- discrimination device
- signal discrimination
- 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
Landscapes
- Processing Of Color Television Signals (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は映像信号記録装置の一例を示すブロック図、第
２図、第３図及び第４図は第１図の説明に供する線区、
第５図は本考案の一実施例を示す回路図、第６図、第７
図及び第８図は第５図の説明に供する線図である。
２３は色信号判別装置、４３は増幅回路、４４はセラミ
ックフィルタ、４５は増幅回路、４６はエンベ凸−プ検
波回路、４７はシュミットトリガ回路、４８は可変抵抗
器、４９はＮＰＮ形のトランジスタ、５０及び５４はイ
ンバータ回路、５１はＴフリップフロップ回路、５５は
抵抗器、５６はコンデンサ、５７は積分回路、５８はダ
イオードである。FIG. 1 is a block diagram showing an example of a video signal recording device, and FIGS. 2, 3, and 4 are line sections for explaining FIG.
Figure 5 is a circuit diagram showing an embodiment of the present invention, Figures 6 and 7.
The figure and FIG. 8 are diagrams for explaining FIG. 5. 23 is a color signal discrimination device, 43 is an amplifier circuit, 44 is a ceramic filter, 45 is an amplifier circuit, 46 is an envelope detection circuit, 47 is a Schmitt trigger circuit, 48 is a variable resistor, 49 is an NPN type transistor, 50 and 54 are inverter circuits, 51 is a T flip-flop circuit, 55 is a resistor, 56 is a capacitor, 57 is an integrating circuit, and 58 is a diode.
Claims (1)
のにセラミックフィルタを用い、該セラミックフィルタ
の周波数応答特性により判別するようにしたことを特徴
とするＳＥＣＡＭ方式のカラー映像信号の色信号判別装
置。A color signal discriminating device for a SECAM color video signal, characterized in that a ceramic filter is used to discriminate the color difference signal of a SECAM color video signal, and the discrimination is performed based on the frequency response characteristics of the ceramic filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1426782U JPS58119278U (en) | 1982-02-04 | 1982-02-04 | Color signal discrimination device for SECAM color video signals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1426782U JPS58119278U (en) | 1982-02-04 | 1982-02-04 | Color signal discrimination device for SECAM color video signals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58119278U true JPS58119278U (en) | 1983-08-13 |
Family
ID=30026736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1426782U Pending JPS58119278U (en) | 1982-02-04 | 1982-02-04 | Color signal discrimination device for SECAM color video signals |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58119278U (en) |
-
1982
- 1982-02-04 JP JP1426782U patent/JPS58119278U/en active Pending
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