JPS6413870U - - Google Patents
Info
- Publication number
- JPS6413870U JPS6413870U JP6045887U JP6045887U JPS6413870U JP S6413870 U JPS6413870 U JP S6413870U JP 6045887 U JP6045887 U JP 6045887U JP 6045887 U JP6045887 U JP 6045887U JP S6413870 U JPS6413870 U JP S6413870U
- Authority
- JP
- Japan
- Prior art keywords
- fields
- video signals
- reading
- video
- counter
- 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
- 238000010586 diagram Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 1
Description
第１図は本考案の一実施例の電気的構成を示す
ブロツク図、第２図は動作を説明するための波形
図、第３図は本考案の他の実施例の電気的構成を
示すブロツク図である。
２，２ａ……デコーダ、３，４，５……アナロ
グ／デジタル変換器、６ａ，７，９ａ……奇数フ
イールド用メモリ、６ｂ，８，９ｂ……偶数フイ
ールド用メモリ、１１，２１，３１，４５……切
換スイツチ、１６，２６，３６……デジタル／ア
ナログ変換器、４１……同期分離回路、４４……
フイールド判別回路、５１……ラインメモリ、５
２……演算器、５３，６１……比較器、６０……
カウンタ、６３……設定値入力手段、６４……フ
イールドメモリ。
FIG. 1 is a block diagram showing the electrical configuration of one embodiment of the present invention, FIG. 2 is a waveform diagram for explaining the operation, and FIG. 3 is a block diagram showing the electrical configuration of another embodiment of the present invention. It is a diagram. 2, 2a... Decoder, 3, 4, 5... Analog/digital converter, 6a, 7, 9a... Memory for odd field, 6b, 8, 9b... Memory for even field, 11, 21, 31, 45...Selector switch, 16, 26, 36...Digital/analog converter, 41...Synchronization separation circuit, 44...
Field discrimination circuit, 51...Line memory, 5
2... Arithmetic unit, 53, 61... Comparator, 60...
Counter, 63...Set value input means, 64...Field memory.
Claims (1)
する記憶手段と、 同一フレーム中の２つのフイールドに関して、
該２フイールド中の前記映像信号の各走査線ごと
に含まれる映像情報を相互に比較する比較手段と
、 前記比較手段の出力に応答して計数動作を行な
うカウンタと、 カウンタの計数値と予め定めた設定値とを比較
することによつて、前記２フイールド相互間の映
像信号が一致しているかどうかを判別する判別手
段と、 判別手段の出力に応答し、前記２フイールド相
互間の映像信号の一致が判別されたときには、２
つのフイールドの映像信号を読出し、また不一致
が判別されたときには、時間的に先行するフイー
ルドの映像信号を繰返し読出す読出手段とを含む
ことを特徴とする映像信号記録／再生装置。[Claims for Utility Model Registration] Storage means for storing video signals for each field period, and two fields in the same frame,
a comparison means for mutually comparing video information included in each scanning line of the video signal in the two fields; a counter that performs a counting operation in response to the output of the comparison means; and a predetermined count value of the counter. determining means for determining whether or not the video signals between the two fields match by comparing the video signals between the two fields; When a match is determined, 2
1. A video signal recording/reproducing device comprising: reading means for reading video signals of two fields and, when a mismatch is determined, repeatedly reading video signals of temporally preceding fields.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6045887U JPS6413870U (en) | 1987-04-20 | 1987-04-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6045887U JPS6413870U (en) | 1987-04-20 | 1987-04-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6413870U true JPS6413870U (en) | 1989-01-24 |
Family
ID=31286166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6045887U Pending JPS6413870U (en) | 1987-04-20 | 1987-04-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6413870U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5967788A (en) * | 1982-10-08 | 1984-04-17 | Matsushita Electric Ind Co Ltd | Still picture generator of television receiver |
-
1987
- 1987-04-20 JP JP6045887U patent/JPS6413870U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5967788A (en) * | 1982-10-08 | 1984-04-17 | Matsushita Electric Ind Co Ltd | Still picture generator of television receiver |
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