JPH01162141U - - Google Patents
Info
- Publication number
- JPH01162141U JPH01162141U JP5925488U JP5925488U JPH01162141U JP H01162141 U JPH01162141 U JP H01162141U JP 5925488 U JP5925488 U JP 5925488U JP 5925488 U JP5925488 U JP 5925488U JP H01162141 U JPH01162141 U JP H01162141U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- recording
- head
- magnetic heads
- reproducing
- 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 3
Description
第１図は、この考案の磁気記録再生装置の一実
施例を示す回路構成図、第２図は、第１図に示し
た磁気記録再生装置に用いるパイロツト信号の周
波数分布図、第３図は、従来の磁気記録再生装置
の磁気ヘツドの配置例を示す図である。
２……ヘツドドラム、３……磁気テープ、４１
，４２，４３，４４……磁気ヘツド、１１……磁
気記録再生装置、１２……パイロツト信号発振器
、１３……加算器、２１……ドラムサーボ回路。
FIG. 1 is a circuit configuration diagram showing an embodiment of the magnetic recording/reproducing apparatus of this invention, FIG. 2 is a frequency distribution diagram of a pilot signal used in the magnetic recording/reproducing apparatus shown in FIG. 1, and FIG. 1 is a diagram showing an example of the arrangement of magnetic heads in a conventional magnetic recording/reproducing device. 2...Head drum, 3...Magnetic tape, 41
, 42, 43, 44...Magnetic head, 11...Magnetic recording/reproducing device, 12...Pilot signal oscillator, 13...Adder, 21...Drum servo circuit.
Claims (1)
を対角配置したヘツドドラムに、磁気ヘツドを半
周を越えて巻き付け、常時少なくとも３個の磁気
ヘツドが磁気テープを走査しつつヘリカルスキヤ
ン記録を行う磁気記録再生装置であつて、前記各
磁気ヘツドごとに割り当てたパイロツト信号を、
映像信号に重畳させて記録する記録手段と、この
記録手段により記録された磁気テープを再生する
ときに、検出されたパイロツト信号に従つて、記
録トラツクと再生トラツクが常に同じ磁気ヘツド
により走査されるよう磁気ヘツドを回転制御する
制御手段を設けてなる磁気記録再生装置。 A magnetic recording and reproducing system in which four magnetic heads with the same azimuth are arranged diagonally around a head drum, and the magnetic heads are wound more than half a circle around the head, and at least three magnetic heads scan the magnetic tape at all times to perform helical scan recording. The device is configured to transmit a pilot signal assigned to each of the magnetic heads,
A recording means for recording superimposed on a video signal, and when reproducing a magnetic tape recorded by this recording means, a recording track and a reproduction track are always scanned by the same magnetic head according to a detected pilot signal. A magnetic recording and reproducing apparatus is provided with a control means for controlling the rotation of a magnetic head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5925488U JPH01162141U (en) | 1988-04-30 | 1988-04-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5925488U JPH01162141U (en) | 1988-04-30 | 1988-04-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01162141U true JPH01162141U (en) | 1989-11-10 |
Family
ID=31285035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5925488U Pending JPH01162141U (en) | 1988-04-30 | 1988-04-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01162141U (en) |
-
1988
- 1988-04-30 JP JP5925488U patent/JPH01162141U/ja active Pending