JPS6428502U - - Google Patents
Info
- Publication number
- JPS6428502U JPS6428502U JP12438787U JP12438787U JPS6428502U JP S6428502 U JPS6428502 U JP S6428502U JP 12438787 U JP12438787 U JP 12438787U JP 12438787 U JP12438787 U JP 12438787U JP S6428502 U JPS6428502 U JP S6428502U
- Authority
- JP
- Japan
- Prior art keywords
- drum
- gap
- transformer
- rotor transformer
- head device
- 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
- 125000006850 spacer group Chemical group 0.000 description 1
Landscapes
- Recording Or Reproducing By Magnetic Means (AREA)
Description
第１図は本考案による回転ヘツド装置の断面図
、第２図は第１図の一部拡大図、第３図は従来の
ＶＴＲに装備されている回転ヘツド装置の断面図
である。
１１…下ドラム、１１ａ…下ドラムの外周部、
１２…ステータトランス、１３…上ドラム、１３
ａ…上ドラムの外周部、１４…回転軸、１５…磁
気ヘツド、１６…ロータトランス、Ｇ…下ドラム
と上ドラムとの隙間、ｇ…ステータトランスとロ
ータトランスとの隙間、Ｓ…スペーサ。
FIG. 1 is a sectional view of a rotary head device according to the present invention, FIG. 2 is a partially enlarged view of FIG. 1, and FIG. 3 is a sectional view of a rotary head device installed in a conventional VTR. 11... Lower drum, 11a... Outer periphery of the lower drum,
12...Stator transformer, 13...Upper drum, 13
a...Outer periphery of upper drum, 14...Rotating shaft, 15...Magnetic head, 16...Rotor transformer, G...Gap between lower drum and upper drum, G...Gap between stator transformer and rotor transformer, S...Spacer.
Claims (1)
回動自在に設けられ、上ドラム側にはドラム周面
に露出する磁気ヘツドとロータトランスとが備え
られ、下ドラム側には前記ロータトランスに隙間
を開けて対向するステータトランスが備えられて
いる回転ヘツド装置において、前記ロータトラン
スとステータトランスとの対向隙間が、上ドラム
と下ドラムとの隙間の延長領域内に位置している
ことを特徴とする回転ヘツド装置。 An upper drum is rotatably provided above the lower drum with a gap, and the upper drum side is equipped with a magnetic head and a rotor transformer exposed on the circumferential surface of the drum, and the lower drum side is equipped with a rotor transformer. A rotary head device including stator transformers facing each other with a gap therebetween, characterized in that the opposing gap between the rotor transformer and the stator transformer is located within an extension area of the gap between the upper drum and the lower drum. Rotating head device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12438787U JPS6428502U (en) | 1987-08-13 | 1987-08-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12438787U JPS6428502U (en) | 1987-08-13 | 1987-08-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6428502U true JPS6428502U (en) | 1989-02-20 |
Family
ID=31374071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12438787U Pending JPS6428502U (en) | 1987-08-13 | 1987-08-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6428502U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5355007A (en) * | 1976-10-27 | 1978-05-19 | Matsushita Electric Ind Co Ltd | Guide ram of magnetic recorder-reproducer |
| JPS59121621A (en) * | 1982-12-27 | 1984-07-13 | Toshiba Corp | Rotary magnetic head device |
| JPS59177723A (en) * | 1983-03-28 | 1984-10-08 | Takahashi Yoshiteru | Head drum of video tape recorder |
-
1987
- 1987-08-13 JP JP12438787U patent/JPS6428502U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5355007A (en) * | 1976-10-27 | 1978-05-19 | Matsushita Electric Ind Co Ltd | Guide ram of magnetic recorder-reproducer |
| JPS59121621A (en) * | 1982-12-27 | 1984-07-13 | Toshiba Corp | Rotary magnetic head device |
| JPS59177723A (en) * | 1983-03-28 | 1984-10-08 | Takahashi Yoshiteru | Head drum of video tape recorder |