JPS61119485U - - Google Patents
Info
- Publication number
- JPS61119485U JPS61119485U JP249085U JP249085U JPS61119485U JP S61119485 U JPS61119485 U JP S61119485U JP 249085 U JP249085 U JP 249085U JP 249085 U JP249085 U JP 249085U JP S61119485 U JPS61119485 U JP S61119485U
- Authority
- JP
- Japan
- Prior art keywords
- signal processing
- processing circuit
- comb filter
- video tape
- tape recorder
- 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
- 230000003111 delayed effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Description
第１図は本考案に係るビデオテープレコーダに
おけるクロマ信号処理回路の実施例を示すブロツ
ク図、第２図はドロツプアウト遅延パルスの発生
を説明するタイミングチヤート、第３図はくし形
フイルタを示すブロツク図、第４図はドロツプア
ウトによるクロマ信号の影響を説明する図である
。
２…くし形フイルタ、３…増幅器、４…制御回
路。
FIG. 1 is a block diagram showing an embodiment of a chroma signal processing circuit in a video tape recorder according to the present invention, FIG. 2 is a timing chart explaining the generation of a dropout delay pulse, and FIG. 3 is a block diagram showing a comb filter. FIG. 4 is a diagram illustrating the influence of dropout on the chroma signal. 2...Comb filter, 3...Amplifier, 4...Control circuit.
Claims (1)
回路及びクロマ信号処理回路に設けたくし形フイ
ルタの各々が１Ｈ遅延線を利用して構成されたビ
デオテープレコーダにおいて、 ドロツプアウト期間及び該期間を１Ｈ遅延させ
た期間に作動可能な増幅器が前記くし形フイルタ
の出力側に接続されたことを特徴とするビデオテ
ープレコーダにおけるクロマ信号処理回路。[Scope of Claim for Utility Model Registration] In a video tape recorder in which each of the dropout compensation circuit provided in the luminance signal processing circuit and the comb filter provided in the chroma signal processing circuit is configured using a 1H delay line, A chroma signal processing circuit in a video tape recorder, characterized in that an amplifier operable during a period delayed by 1H is connected to the output side of the comb filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP249085U JPS61119485U (en) | 1985-01-11 | 1985-01-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP249085U JPS61119485U (en) | 1985-01-11 | 1985-01-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61119485U true JPS61119485U (en) | 1986-07-28 |
Family
ID=30476217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP249085U Pending JPS61119485U (en) | 1985-01-11 | 1985-01-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61119485U (en) |
-
1985
- 1985-01-11 JP JP249085U patent/JPS61119485U/ja active Pending
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