JPS6268372U - - Google Patents
Info
- Publication number
- JPS6268372U JPS6268372U JP16021985U JP16021985U JPS6268372U JP S6268372 U JPS6268372 U JP S6268372U JP 16021985 U JP16021985 U JP 16021985U JP 16021985 U JP16021985 U JP 16021985U JP S6268372 U JPS6268372 U JP S6268372U
- Authority
- JP
- Japan
- Prior art keywords
- dropout
- detecting
- tape recorder
- detection means
- head
- 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 2
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Television Signal Processing For Recording (AREA)
Description
図面はこの考案のビデオテープレコーダの１実
施例を示し、第１図はブロツク図、第２図は第１
図の一部の詳細な結線図、第３図ａ，ｂ，ｃおよ
び第４図は第１図および第２図の動作説明用の波
形図である。
１，２…回転ヘツド、３，４…ヘツドアンプ、
５…ヘツド切換スイツチ、７…クロマアンプ、８
…自動利得制御アンプ、９…ＦＭイコライザアン
プ、１０…トラツプ回路、１１…帯域制限フイル
タ、１２…輝度およびクロマ処理回路。
The drawings show one embodiment of the videotape recorder of this invention, FIG. 1 is a block diagram, and FIG.
Detailed wiring diagrams of some of the figures, FIGS. 3a, b, and c, and FIG. 4 are waveform diagrams for explaining the operations of FIGS. 1 and 2. 1, 2... Rotating head, 3, 4... Head amplifier,
5...Head selection switch, 7...Chroma amplifier, 8
... automatic gain control amplifier, 9 ... FM equalizer amplifier, 10 ... trap circuit, 11 ... band limit filter, 12 ... brightness and chroma processing circuit.
Claims (1)
記録、再生するヘリカルスキヤン方式のビデオテ
ープレコーダにおいて、前記ヘツドの再生信号の
欠落を検出する欠落検出手段と、高速再生の欠落
検出時に前記再生信号の高域を制限する帯域制限
用のフイルタ手段とを備えたビデオテープレコー
ダ。 In a helical scan video tape recorder that records and plays back an FM modulated video signal using a rotating head, there is provided a dropout detection means for detecting a dropout in the playback signal of the head, and a high-frequency detection means for detecting a dropout in the playback signal when detecting a dropout in high-speed playback. A video tape recorder comprising filter means for limiting band width.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16021985U JPS6268372U (en) | 1985-10-19 | 1985-10-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16021985U JPS6268372U (en) | 1985-10-19 | 1985-10-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6268372U true JPS6268372U (en) | 1987-04-28 |
Family
ID=31085391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16021985U Pending JPS6268372U (en) | 1985-10-19 | 1985-10-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6268372U (en) |
-
1985
- 1985-10-19 JP JP16021985U patent/JPS6268372U/ja active Pending
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