JPS5780881A - Rotary head type magnetic recording and reproducing device - Google Patents
Rotary head type magnetic recording and reproducing deviceInfo
- Publication number
- JPS5780881A JPS5780881A JP55157467A JP15746780A JPS5780881A JP S5780881 A JPS5780881 A JP S5780881A JP 55157467 A JP55157467 A JP 55157467A JP 15746780 A JP15746780 A JP 15746780A JP S5780881 A JPS5780881 A JP S5780881A
- Authority
- JP
- Japan
- Prior art keywords
- tape
- rotary head
- relative speed
- recording
- speed
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
- G11B15/18—Driving; Starting; Stopping; Arrangements for control or regulation thereof
- G11B15/46—Controlling, regulating, or indicating speed
- G11B15/467—Controlling, regulating, or indicating speed in arrangements for recording or reproducing wherein both record carriers and heads are driven
Abstract
PURPOSE:To prevent the color deviation of a reproduced picture, by driving synchronously a rotary head cylinder by the second reference signal to equalize the relative speed between the rotary head and the tape to that for recording when the picture is reproduced in a tape speed higher than that for recording. CONSTITUTION:In case of the cue reproducing in a tape speed n-fold as high as that for normal reproducing, it is necessary to change the relative speed between the rotary head and the tape from that for recording by increasing the tape speed n-fold. For the purpose of changing this relative speed, a switch 17 is switched at the cue reproducing time, and the output of the second reference oscillating source 20 is applied to a phase control circuit 7 to drive a head cylinder motor 1 synchronously. The second reference oscillating source 20 is provided to correct the variation of the relative speed between the rotary head and the tape by rotation of the head cylinder and has a frequency shifted from the frequency of the first reference oscillating source 16, which is used at the normal reproducing time, by correction components. A capstan motor 10 is so controlled that it has a constant phase relation to the output of the reference oscillating source 20.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55157467A JPS5780881A (en) | 1980-11-07 | 1980-11-07 | Rotary head type magnetic recording and reproducing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55157467A JPS5780881A (en) | 1980-11-07 | 1980-11-07 | Rotary head type magnetic recording and reproducing device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5780881A true JPS5780881A (en) | 1982-05-20 |
JPH023591B2 JPH023591B2 (en) | 1990-01-24 |
Family
ID=15650303
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP55157467A Granted JPS5780881A (en) | 1980-11-07 | 1980-11-07 | Rotary head type magnetic recording and reproducing device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5780881A (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5977659A (en) * | 1982-10-25 | 1984-05-04 | Sony Corp | Circuit for forming reference signal of rotary body |
JPS59144058A (en) * | 1983-02-07 | 1984-08-17 | Matsushita Electric Ind Co Ltd | Tracking system of magnetic video recording and reproducing device |
JPS60253047A (en) * | 1984-05-29 | 1985-12-13 | Pioneer Electronic Corp | Drum rotation driving device in video tape recorder of helical scanning system |
JPS61190746A (en) * | 1985-02-19 | 1986-08-25 | Matsushita Electric Ind Co Ltd | Magnetic recording and reproducing device |
JPS6224782A (en) * | 1985-06-27 | 1987-02-02 | ドイチエ・トムソン−ブラント・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | Video recorder |
JPS6256082A (en) * | 1985-06-27 | 1987-03-11 | ドイチエ・トムソン−ブラント・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | Video tape recorder |
EP0254511A2 (en) * | 1986-07-22 | 1988-01-27 | Matsushita Electric Industrial Co., Ltd. | Apparatus for reproducing signals recorded on a tape |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5347224A (en) * | 1976-10-08 | 1978-04-27 | Philips Nv | Device for reproducing recording carrier |
-
1980
- 1980-11-07 JP JP55157467A patent/JPS5780881A/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5347224A (en) * | 1976-10-08 | 1978-04-27 | Philips Nv | Device for reproducing recording carrier |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5977659A (en) * | 1982-10-25 | 1984-05-04 | Sony Corp | Circuit for forming reference signal of rotary body |
JPS59144058A (en) * | 1983-02-07 | 1984-08-17 | Matsushita Electric Ind Co Ltd | Tracking system of magnetic video recording and reproducing device |
JPS60253047A (en) * | 1984-05-29 | 1985-12-13 | Pioneer Electronic Corp | Drum rotation driving device in video tape recorder of helical scanning system |
JPS61190746A (en) * | 1985-02-19 | 1986-08-25 | Matsushita Electric Ind Co Ltd | Magnetic recording and reproducing device |
JPH0544746B2 (en) * | 1985-02-19 | 1993-07-07 | Matsushita Electric Ind Co Ltd | |
JPS6224782A (en) * | 1985-06-27 | 1987-02-02 | ドイチエ・トムソン−ブラント・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | Video recorder |
JPS6256082A (en) * | 1985-06-27 | 1987-03-11 | ドイチエ・トムソン−ブラント・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | Video tape recorder |
JP2650154B2 (en) * | 1985-06-27 | 1997-09-03 | トイチエ・トムソン−ブラント・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | Video tape recorder |
EP0254511A2 (en) * | 1986-07-22 | 1988-01-27 | Matsushita Electric Industrial Co., Ltd. | Apparatus for reproducing signals recorded on a tape |
Also Published As
Publication number | Publication date |
---|---|
JPH023591B2 (en) | 1990-01-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4296446A (en) | Motor speed control circuit | |
EP0096406A2 (en) | Variable speed picture reproducing apparatus for video tape recorder | |
JPS5780881A (en) | Rotary head type magnetic recording and reproducing device | |
JPS56140541A (en) | Magnetic tape driving device | |
JPS55102981A (en) | Rotary-head type magnetic recording and reproducing device | |
KR840006718A (en) | Servo Circuit of Magnetic Regeneration Device | |
JPS524807A (en) | Magnetic record/reproduction unit torque limittor system | |
CA1329258C (en) | Servo for a rotary head drum of vtr | |
KR850004161A (en) | Motor servo circuit of magnetic recording and reproducing apparatus | |
JPS5730474A (en) | Slow-motion reproduction system of magnetic reproducing device | |
JPS5730473A (en) | Variable-speed reproducing device of magnetic reproducing device | |
JPS573242A (en) | Reel motor driving circuit for high-speed playback | |
JPS56166678A (en) | Magnetic video recording and reproducing device | |
JPS56144680A (en) | Controller of magnetic recording and reproducing device | |
JPS567577A (en) | Magnetic recording and reproducing unit | |
JPS5296512A (en) | Rotary head type magnetic picture recording and reproducing apparatus | |
JP3339084B2 (en) | Magnetic recording / reproducing device | |
JPH0218740A (en) | Magnetic recording and reproducing device | |
JPS5769544A (en) | Magnetic recording and reproducing device | |
JPS5694547A (en) | Revolution number controlling system in reproducing device for information disc | |
JPS55150682A (en) | Video signal reproducing device | |
JPS5710587A (en) | Magnetic recording and reproducing device | |
JP2523507B2 (en) | Setting method of magnetic tape speed during playback for video recorder | |
JPS56168479A (en) | Magnetic picture recorder and reproducer | |
JPS61208657A (en) | Tape running control system |