JPH0369988U - - Google Patents
Info
- Publication number
- JPH0369988U JPH0369988U JP13006189U JP13006189U JPH0369988U JP H0369988 U JPH0369988 U JP H0369988U JP 13006189 U JP13006189 U JP 13006189U JP 13006189 U JP13006189 U JP 13006189U JP H0369988 U JPH0369988 U JP H0369988U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- circuit
- detects
- color
- horizontal synchronization
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims description 4
- 230000001934 delay Effects 0.000 claims 1
- 230000003111 delayed effect Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Processing Of Color Television Signals (AREA)
Description
第１図は、本考案の実施例に係る輝度信号と色
信号との位相補正回路の回路図、第２図は同実施
例の回路の動作説明に供する信号のタイミングチ
ヤートである。
２……遅延回路、４……合成回路、６……検波
回路、８……Ａ／Ｄ変換器、１０……マイクロコ
ンピユータ、１２……ダイオード、１４……イン
バータ。
FIG. 1 is a circuit diagram of a phase correction circuit for luminance signals and chrominance signals according to an embodiment of the present invention, and FIG. 2 is a signal timing chart for explaining the operation of the circuit of the embodiment. 2...Delay circuit, 4...Composition circuit, 6...Detection circuit, 8...A/D converter, 10...Microcomputer, 12...Diode, 14...Inverter.
Claims (1)
時間遅延させて出力する遅延回路と、 この遅延回路で遅延された色信号に含まれるカ
ラーバースト信号を検出する第１検出回路と、 輝度信号に含まれる水平同期信号を検出する第
２検出回路と、 前記両検出回路からそれぞれ入力されるカラー
バースト信号と水平同期信号とに基づいて水平同
期信号に対するカラーバースト信号の正規の挿入
位置からのずれを検出し、そのずれに対応した遅
延量制御信号を前記遅延回路に出力制御する制御
回路と、 を具備したことを特徴とするビデオテープレコー
ダにおける輝度信号と色信号との自動位相補正回
路。[Claims for Utility Model Registration] A delay circuit that delays and outputs an input color signal in response to a delay amount control signal, and detects a color burst signal included in the color signal delayed by this delay circuit. a first detection circuit; a second detection circuit that detects a horizontal synchronization signal included in the luminance signal; and a color burst signal for the horizontal synchronization signal based on the color burst signal and horizontal synchronization signal respectively input from both of the detection circuits. a control circuit that detects a deviation from a normal insertion position and controls the output of a delay amount control signal corresponding to the deviation to the delay circuit; Automatic phase correction circuit with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989130061U JPH0731655Y2 (en) | 1989-11-07 | 1989-11-07 | Automatic phase correction circuit for luminance and chrominance signals in video tape recorders |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989130061U JPH0731655Y2 (en) | 1989-11-07 | 1989-11-07 | Automatic phase correction circuit for luminance and chrominance signals in video tape recorders |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0369988U true JPH0369988U (en) | 1991-07-12 |
| JPH0731655Y2 JPH0731655Y2 (en) | 1995-07-19 |
Family
ID=31677657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989130061U Expired - Fee Related JPH0731655Y2 (en) | 1989-11-07 | 1989-11-07 | Automatic phase correction circuit for luminance and chrominance signals in video tape recorders |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0731655Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0362797A (en) * | 1989-07-31 | 1991-03-18 | Matsushita Electric Ind Co Ltd | Magnetic recording and reproducing device |
-
1989
- 1989-11-07 JP JP1989130061U patent/JPH0731655Y2/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0362797A (en) * | 1989-07-31 | 1991-03-18 | Matsushita Electric Ind Co Ltd | Magnetic recording and reproducing device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0731655Y2 (en) | 1995-07-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |