JPS58127426U - video head drum - Google Patents
video head drumInfo
- Publication number
- JPS58127426U JPS58127426U JP2261682U JP2261682U JPS58127426U JP S58127426 U JPS58127426 U JP S58127426U JP 2261682 U JP2261682 U JP 2261682U JP 2261682 U JP2261682 U JP 2261682U JP S58127426 U JPS58127426 U JP S58127426U
- Authority
- JP
- Japan
- Prior art keywords
- head drum
- video head
- bearings
- rotation detector
- bearing
- 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
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来から用いられているビデオヘッドドラムの
一例を示す断面図、第２図は本考案に係るビデオヘッド
ドラムの一実施例を示す断面図、第３図は第２図のＡ−
Ａ’断面図である。
１・・・下部ヘッドドラム、２・・・軸受ハウジング、
３・・・軸受、４・・・上部ヘッドドラム、５・・・モ
ータ、６・・・ビデオヘッド、７・・・フォトエンコー
ダ、８・・・ブラシ、９・・・切欠き、１０・・・密閉
板。FIG. 1 is a sectional view showing an example of a conventionally used video head drum, FIG. 2 is a sectional view showing an embodiment of the video head drum according to the present invention, and FIG.
It is an A' sectional view. 1... Lower head drum, 2... Bearing housing,
3... Bearing, 4... Upper head drum, 5... Motor, 6... Video head, 7... Photo encoder, 8... Brush, 9... Notch, 10... - Sealing board.
Claims (3)
の下部ヘッドドラムの軸受ハウジング内に設けられた２
個の密閉形軸受と、その軸受に軸支された上部ヘッドド
ラムと、前記軸受間に設けられた回転検出器と、この回
転検出器の出力信号で回転数が制御されるモータとで構
成されることを特徴とするビデオヘッドドラム。(1) A lower head drum having a bearing housing, and 2 parts provided in the bearing housing of the lower head drum.
The motor is composed of two sealed bearings, an upper head drum supported by the bearings, a rotation detector provided between the bearings, and a motor whose rotation speed is controlled by the output signal of the rotation detector. A video head drum characterized by:
ことを特徴とする実用新案登録請求の範囲第１項記載の
ビデオヘッドドラム。(2) The video head drum according to claim 1, wherein the rotation detector is constituted by a photo encoder.
する実用新案登録請求の範囲第１項記載のビデオヘッド
ドラム。(3) The video head drum according to claim 1, wherein the bearing is a shielded ball bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2261682U JPS58127426U (en) | 1982-02-19 | 1982-02-19 | video head drum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2261682U JPS58127426U (en) | 1982-02-19 | 1982-02-19 | video head drum |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58127426U true JPS58127426U (en) | 1983-08-29 |
Family
ID=30034689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2261682U Pending JPS58127426U (en) | 1982-02-19 | 1982-02-19 | video head drum |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58127426U (en) |
-
1982
- 1982-02-19 JP JP2261682U patent/JPS58127426U/en active Pending
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