JPS63102385U - - Google Patents
Info
- Publication number
- JPS63102385U JPS63102385U JP20198686U JP20198686U JPS63102385U JP S63102385 U JPS63102385 U JP S63102385U JP 20198686 U JP20198686 U JP 20198686U JP 20198686 U JP20198686 U JP 20198686U JP S63102385 U JPS63102385 U JP S63102385U
- Authority
- JP
- Japan
- Prior art keywords
- color television
- pal
- secam
- television receiver
- transistor
- 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
- 238000013016 damping Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Processing Of Color Television Signals (AREA)
- Color Television Systems (AREA)
Description
第１図は本考案の１実施例の回路構成図、第２
図及び第３図はともに同実施例の動作説明のため
の信号波形図である。
１…ベルフイルタ、２…ＳＥＣＡＭカラーテレ
ビ信号処理回路、３…ＰＡＬカラーテレビ信号処
理回路、４…スイツチングトランジスタ、Ｒ３…
ダンピング抵抗。
Figure 1 is a circuit configuration diagram of one embodiment of the present invention;
Both FIG. 3 and FIG. 3 are signal waveform diagrams for explaining the operation of the same embodiment. DESCRIPTION OF SYMBOLS 1... Bell filter, 2... SECAM color television signal processing circuit, 3... PAL color television signal processing circuit, 4... Switching transistor, R3 ...
damping resistance.
Claims (1)
レビ放送を受信することが可能なカラーテレビ受
像機において、ＳＥＣＡＭカラーテレビ信号分離
用帯域フイルタとして用いられるベルフイルタの
ダンピング抵抗と直列にスイツチングトランジス
タを挿入し、ＰＡＬキラー信号に応じて前記トラ
ンジスタをオン・オフ制御しベルフイルタのダン
ピング抵抗値を変化させるようにしたことを特徴
とするＰＡＬ／ＳＥＣＡＭ共用カラーテレビ受像
機。 In a color television receiver capable of receiving both PAL and SECAM color television broadcasts, a switching transistor is inserted in series with the damping resistor of a bell filter used as a band filter for separating SECAM color television signals, and the PAL A PAL/SECAM common color television receiver, characterized in that the transistor is controlled on and off in accordance with a killer signal to change a damping resistance value of a bell filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20198686U JPS63102385U (en) | 1986-12-23 | 1986-12-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20198686U JPS63102385U (en) | 1986-12-23 | 1986-12-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63102385U true JPS63102385U (en) | 1988-07-04 |
Family
ID=31165953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20198686U Pending JPS63102385U (en) | 1986-12-23 | 1986-12-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63102385U (en) |
-
1986
- 1986-12-23 JP JP20198686U patent/JPS63102385U/ja active Pending
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