JPS62198532U - - Google Patents
Info
- Publication number
- JPS62198532U JPS62198532U JP8589986U JP8589986U JPS62198532U JP S62198532 U JPS62198532 U JP S62198532U JP 8589986 U JP8589986 U JP 8589986U JP 8589986 U JP8589986 U JP 8589986U JP S62198532 U JPS62198532 U JP S62198532U
- Authority
- JP
- Japan
- Prior art keywords
- rotating drum
- capstan
- phase
- control circuit
- center position
- 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
- 238000004804 winding Methods 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
Description
第１図は本考案回路の一実施例を含むＶＴＲの
サーボブロツク系統図、第２図は変位計の位置を
示す図、第３図は本考案回路の信号波形図、第４
図は回転ドラムの偏心の状態を示す図、第５図は
回転ドラムの偏心とテープ巻付範囲の長さとの関
係を示す図である。
６…ドラムモータ、７…ドラムＰＧヘツド、１
２…ドラムＦＧヘツド、１６…キヤプスタンモー
タ、１７…キヤプスタンＦＧヘツド、１９…デイ
スクリミネータ、２０…駆動回路、２３…変位計
、２４…モノマルチ、２５…低域フイルタ、２７
…回転ドラム。
Fig. 1 is a servo block system diagram of a VTR including an embodiment of the circuit of the present invention, Fig. 2 is a diagram showing the position of a displacement meter, Fig. 3 is a signal waveform diagram of the circuit of the present invention, and Fig. 4 is a diagram showing the position of a displacement meter.
This figure shows the state of eccentricity of the rotating drum, and FIG. 5 shows the relationship between the eccentricity of the rotating drum and the length of the tape winding range. 6...Drum motor, 7...Drum PG head, 1
2... Drum FG head, 16... Capstan motor, 17... Capstan FG head, 19... Discriminator, 20... Drive circuit, 23... Displacement meter, 24... Mono multi, 25... Low-pass filter, 27
...rotating drum.
Claims (1)
置或いは該中央位置と１８０°対向する位置での
該回転ドラムの偏心量の位相と、キヤプスタンモ
ータ電圧の位相とを同期せしめる回路を設けてな
る磁気記録再生装置のキヤプスタン制御回路。 (2) 該キヤプスタンモータ電圧を、該回転ドラ
ムが該中央位置と１８０°対向する位置に近接（
離間）した時小（大）に設定してなる実用新案登
録請求の範囲第１項記載の磁気記録再生装置のキ
ヤプスタン制御回路。[Claims for Utility Model Registration] (1) The phase of the eccentricity of the rotating drum at the center position of the magnetic tape winding range of the rotating drum or a position 180° opposite to the center position, and the phase of the capstan motor voltage. A capstan control circuit for a magnetic recording/reproducing device, which is equipped with a circuit for synchronizing the phase. (2) Set the capstan motor voltage close to a position where the rotating drum is 180 degrees opposite the center position (
A capstan control circuit for a magnetic recording/reproducing device according to claim 1, wherein the capstan control circuit is set to a small (large) value when the separation is performed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8589986U JPS62198532U (en) | 1986-06-05 | 1986-06-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8589986U JPS62198532U (en) | 1986-06-05 | 1986-06-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62198532U true JPS62198532U (en) | 1987-12-17 |
Family
ID=30941723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8589986U Pending JPS62198532U (en) | 1986-06-05 | 1986-06-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62198532U (en) |
-
1986
- 1986-06-05 JP JP8589986U patent/JPS62198532U/ja active Pending
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