JPS59101578U - Color encoder phase circuit - Google Patents
Color encoder phase circuitInfo
- Publication number
- JPS59101578U JPS59101578U JP19664682U JP19664682U JPS59101578U JP S59101578 U JPS59101578 U JP S59101578U JP 19664682 U JP19664682 U JP 19664682U JP 19664682 U JP19664682 U JP 19664682U JP S59101578 U JPS59101578 U JP S59101578U
- Authority
- JP
- Japan
- Prior art keywords
- phase circuit
- terminal
- color encoder
- input terminal
- encoder phase
- 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図は従来の位相回路、第２図は桓副搬送波の位相を
示すベクトル図、第３図は本考案の一実施例になる位相
回路、第４図は、本考案の位相回路を適用したＰＡＬ方
式のカラーエンコーダの回路図を夫々示す。
Ｒ工〜Ｒ２ｏ・・・抵抗、Ｃ１〜Ｃ１３・・・コンデン
サ、Ｌ□。
Ｌ２・・・コイル、Ｑ０〜Ｑ３・・・トランジスタ、Ｅ
ｓｃ 、 Ｅ１〜Ｅ３・・・色副搬送波。Figure 1 is a conventional phase circuit, Figure 2 is a vector diagram showing the phase of a subcarrier, Figure 3 is a phase circuit that is an example of the present invention, and Figure 4 is an application of the phase circuit of the present invention. The circuit diagrams of the PAL color encoders are shown below. R engineering~R2o...Resistor, C1~C13...Capacitor, L□. L2...Coil, Q0-Q3...Transistor, E
sc, E1 to E3...color subcarriers.
Claims (1)
して接続された第１の出力端子と、該入力端子にトラン
ジスタのベースが接続されこのトランジスタのコレクタ
及びエミッタから夫々取出された第２及び第３の出力端
子とからなり、該入力端子に加えられる信号に対して該
第１の端子からは９０°、該第２の端子からは１８０°
そして該第３の端子からは同相の夫々異った位相の信号
を取出す様にした事を特徴とするカラーエンコーダの位
相回路。A first output terminal connected to the input terminal via a phase circuit including a coil, a resistor, and a capacitor; and second and third output terminals connected to the input terminal to the base of a transistor and taken out from the collector and emitter of the transistor, respectively. 90° from the first terminal and 180° from the second terminal with respect to the signal applied to the input terminal.
A phase circuit for a color encoder, characterized in that signals of the same phase but of different phases are taken out from the third terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19664682U JPS59101578U (en) | 1982-12-25 | 1982-12-25 | Color encoder phase circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19664682U JPS59101578U (en) | 1982-12-25 | 1982-12-25 | Color encoder phase circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59101578U true JPS59101578U (en) | 1984-07-09 |
Family
ID=30421776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19664682U Pending JPS59101578U (en) | 1982-12-25 | 1982-12-25 | Color encoder phase circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59101578U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5267217A (en) * | 1975-12-01 | 1977-06-03 | Nec Corp | Color demodulation circuit of color tv receiver |
-
1982
- 1982-12-25 JP JP19664682U patent/JPS59101578U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5267217A (en) * | 1975-12-01 | 1977-06-03 | Nec Corp | Color demodulation circuit of color tv receiver |
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