JPH0376238U - - Google Patents
Info
- Publication number
- JPH0376238U JPH0376238U JP13641789U JP13641789U JPH0376238U JP H0376238 U JPH0376238 U JP H0376238U JP 13641789 U JP13641789 U JP 13641789U JP 13641789 U JP13641789 U JP 13641789U JP H0376238 U JPH0376238 U JP H0376238U
- Authority
- JP
- Japan
- Prior art keywords
- drum
- magnetic tape
- rotating drum
- magnetic head
- fixed
- 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
- 230000007423 decrease Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Recording Or Reproducing By Magnetic Means (AREA)
Description
第１図は本考案を実施した磁気ヘツドドラムの
一例についてそのドラム出側形状を示す概略図、
第２図は固定ドラム上端部の拡大図、第３図は全
体構造を示す正面図、第４図は固定ドラムの上端
部形状がドラム出側のテープ再生出力に与える影
響を示したグラフ、第５図ａ〜ｄは固定ドラムの
各種上端部形状を示す概略図、第６図は従来の磁
気ヘツドドラムのドラム出側形状を示す概略図で
ある。
１０……固定ドラム、１２……テーパー部、２
０……回転ドラム、２１……磁気ヘツド、３０…
…磁気テープ。
FIG. 1 is a schematic diagram showing the shape of the drum exit side of an example of a magnetic head drum embodying the present invention;
Fig. 2 is an enlarged view of the upper end of the fixed drum, Fig. 3 is a front view showing the overall structure, Fig. 4 is a graph showing the influence of the upper end shape of the fixed drum on the tape playback output on the output side of the drum, 5A to 5D are schematic diagrams showing various shapes of the upper end of the fixed drum, and FIG. 6 is a schematic diagram showing the shape of the drum exit side of a conventional magnetic head drum. 10...Fixed drum, 12...Tapered part, 2
0... Rotating drum, 21... Magnetic head, 30...
…Magnetic tape.
Claims (1)
プを斜めに慴動案内する固定ドラムと、該固定ド
ラムに対して同心状に対向配置されて磁気テープ
走査用の磁気ヘツドを旋回させる回転ドラムとを
具備しており、該回転ドラムに対向する側の固定
ドラム端部に外周面が回転ドラムに向かつて徐々
に縮径するテーパー部を形成したことを特徴とす
る磁気ヘツドドラム。 A fixed drum that supports a part of the magnetic tape in the width direction and slides and guides the magnetic tape obliquely, and a rotating drum that is arranged concentrically opposite to the fixed drum and rotates a magnetic head for scanning the magnetic tape. 1. A magnetic head drum, characterized in that a tapered portion is formed at an end of the stationary drum on the side facing the rotating drum, the outer circumferential surface of which gradually decreases in diameter toward the rotating drum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13641789U JPH0376238U (en) | 1989-11-25 | 1989-11-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13641789U JPH0376238U (en) | 1989-11-25 | 1989-11-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0376238U true JPH0376238U (en) | 1991-07-31 |
Family
ID=31683624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13641789U Pending JPH0376238U (en) | 1989-11-25 | 1989-11-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0376238U (en) |
-
1989
- 1989-11-25 JP JP13641789U patent/JPH0376238U/ja active Pending