JPH0415375U - - Google Patents
Info
- Publication number
- JPH0415375U JPH0415375U JP5580490U JP5580490U JPH0415375U JP H0415375 U JPH0415375 U JP H0415375U JP 5580490 U JP5580490 U JP 5580490U JP 5580490 U JP5580490 U JP 5580490U JP H0415375 U JPH0415375 U JP H0415375U
- Authority
- JP
- Japan
- Prior art keywords
- level correction
- reference signal
- reproduction
- data
- video 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
- 238000012935 Averaging Methods 0.000 claims description 4
- 108010076504 Protein Sorting Signals Proteins 0.000 claims 1
- 238000000605 extraction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 230000015654 memory Effects 0.000 description 2
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
Landscapes
- Television Signal Processing For Recording (AREA)
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
Description
第１図は本考案の映像信号のレベル補正装置の
一実施例を示す要部ブロツク図、第２図は本考案
の映像信号のレベル補正装置の他の実施例を示す
要部ブロツク図、第３図は従来の映像信号のレベ
ル補正装置の一実施例を示す要部ブロツク図であ
る。
図面中、１，１０は基準信号ゲート回路、３，
１１は加算平均回路、４，１２はレベル補正デー
タ生成回路、５，１３は基準信号発生回路、６，
１５はデータ切り換えスイツチ、７，１６はレベ
ル補正用メモリー、１４はメモリー回路である。
FIG. 1 is a block diagram of the main parts showing one embodiment of the video signal level correction device of the present invention, and FIG. 2 is a main part block diagram showing another embodiment of the video signal level correction device of the invention. FIG. 3 is a main part block diagram showing an embodiment of a conventional video signal level correction device. In the drawing, 1 and 10 are reference signal gate circuits;
11 is an averaging circuit, 4 and 12 are level correction data generation circuits, 5 and 13 are reference signal generation circuits, 6,
15 is a data changeover switch, 7 and 16 are level correction memories, and 14 is a memory circuit.
Claims (1)
準信号を再生時に再生基準信号として取り出す再
生基準信号抽出手段と、上記再生基準信号のＳ／
Ｎを改善するデータ処理手段と、記録時に挿入さ
れた基準信号と同一の基準信号と再生基準信号と
のレベル差を求めることによりレベル補正データ
を生成するレベル補正データ生成手段と、レベル
補正データを再生映像信号データとを対応させた
状態で保持するレベル補正データ保持手段とを備
えた映像信号のレベル補正装置において、 複数のレベル補正データ間の加算平均を行う加
算平均手段と、再生基準信号のデータの検査を行
い、上記加算平均手段を制御する制御手段とを備
えていることを特徴とする映像信号のレベル補正
装置。[Claims for Utility Model Registration] Reproduction reference signal extraction means for extracting a reference signal inserted into a part of a recorded video signal sequence during recording as a reproduction reference signal during reproduction;
a data processing means for improving N; a level correction data generating means for generating level correction data by determining a level difference between a reference signal that is the same as the reference signal inserted at the time of recording and a reproduction reference signal; A video signal level correction device comprising level correction data holding means for holding reproduction video signal data in a corresponding state, comprising: an averaging means for averaging a plurality of level correction data; A level correction device for a video signal, comprising: control means for inspecting data and controlling the averaging means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5580490U JPH0415375U (en) | 1990-05-28 | 1990-05-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5580490U JPH0415375U (en) | 1990-05-28 | 1990-05-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0415375U true JPH0415375U (en) | 1992-02-07 |
Family
ID=31579081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5580490U Pending JPH0415375U (en) | 1990-05-28 | 1990-05-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0415375U (en) |
-
1990
- 1990-05-28 JP JP5580490U patent/JPH0415375U/ja active Pending
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