JPH0410483U - - Google Patents
Info
- Publication number
- JPH0410483U JPH0410483U JP11104289U JP11104289U JPH0410483U JP H0410483 U JPH0410483 U JP H0410483U JP 11104289 U JP11104289 U JP 11104289U JP 11104289 U JP11104289 U JP 11104289U JP H0410483 U JPH0410483 U JP H0410483U
- Authority
- JP
- Japan
- Prior art keywords
- output
- mixer
- inverter
- signal
- luminance signal
- 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 6
- 238000000926 separation method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Processing Of Color Television Signals (AREA)
- Filters That Use Time-Delay Elements (AREA)
Description
図は本考案の非相関検出回路の一実施例を示す
電気回路図である。
１……くし形フイルタ出力輝度信号、２……３
．５８ＭHzトラツプ出力輝度信号、６……くし形
フイルタ出力色信号、７……３．５８ＭHz帯域フ
イルタ出力色信号、１２……非相関検出信号であ
る。
The figure is an electrical circuit diagram showing an embodiment of the non-correlation detection circuit of the present invention. 1...Comb filter output luminance signal, 2...3
．． 58 MHz trap output luminance signal, 6...comb filter output color signal, 7...3.58 MHz band filter output color signal, 12...non-correlation detection signal.
補正 平３．９．１９
図面の簡単な説明を次のように補正する。
明細書第５頁第１４行〜１５行の「図は……で
ある。」を「第１図は、本考案の非相関検出回路
の一実施例を示す電気回路図、第２図は、同第１
図の非相関検出信号によるＹ／Ｃ分離回路の動作
例を示すブロツク図である。」に訂正する。Amendment September 19, 1999 The brief description of the drawing is amended as follows. ``The diagram is...'' on page 5, lines 14 and 15 of the specification is replaced with ``Figure 1 is an electric circuit diagram showing one embodiment of the non-correlation detection circuit of the present invention, and Figure 2 is an electric circuit diagram showing an embodiment of the non-correlation detection circuit of the present invention. Same 1st
FIG. 3 is a block diagram showing an example of the operation of the Y/C separation circuit using the non-correlation detection signal shown in the figure. ” is corrected.
Claims (1)
いて、くし形フイルタ出力輝度信号を第１の混合
器に接続し、３．５８ＭHzのトラツプを通過した
輝度信号を第１のインバータに接続し、同第１の
インバータ出力を前記第１の混合器の他方の入力
端子に接続し、くし形フイルタ出力色信号を第２
の混合器に接続し、３．５８ＭHzの帯域フイルタ
を通過した色信号を第２のインバータに接続し、
同第２のインバータ出力を前記第２の混合器の他
方の入力端子に接続し、同第２の混合器出力と前
記第１の混合器出力とをそれぞれ第１の増幅器と
第２の増幅器とに接続し、同第１と第２の増幅器
出力とをそれぞれ２入力オアゲート回路に接続し
、同オアゲート出力より輝度信号／色信号分離回
路に必要な非相関検出信号を出力してなる非相関
検出回路。 In the line comb luminance signal/chrominance signal separation circuit system, the comb filter output luminance signal is connected to the first mixer, the luminance signal passing through the 3.58 MHz trap is connected to the first inverter, and the luminance signal output from the comb filter is connected to the first mixer. 1 inverter output is connected to the other input terminal of the first mixer, and the comb filter output color signal is connected to the second inverter output.
The color signal passed through the 3.58 MHz bandpass filter is connected to the second inverter,
The second inverter output is connected to the other input terminal of the second mixer, and the second mixer output and the first mixer output are connected to a first amplifier and a second amplifier, respectively. , the outputs of the first and second amplifiers are each connected to a 2-input OR gate circuit, and the OR gate output outputs a decorrelation detection signal necessary for the luminance signal/chrominance signal separation circuit. circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11104289U JPH0410483U (en) | 1989-09-22 | 1989-09-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11104289U JPH0410483U (en) | 1989-09-22 | 1989-09-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0410483U true JPH0410483U (en) | 1992-01-29 |
Family
ID=31659542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11104289U Pending JPH0410483U (en) | 1989-09-22 | 1989-09-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0410483U (en) |
-
1989
- 1989-09-22 JP JP11104289U patent/JPH0410483U/ja active Pending
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