JPH0513321B2 - - Google Patents
Info
- Publication number
- JPH0513321B2 JPH0513321B2 JP59038547A JP3854784A JPH0513321B2 JP H0513321 B2 JPH0513321 B2 JP H0513321B2 JP 59038547 A JP59038547 A JP 59038547A JP 3854784 A JP3854784 A JP 3854784A JP H0513321 B2 JPH0513321 B2 JP H0513321B2
- Authority
- JP
- Japan
- Prior art keywords
- fixed
- drum
- magnetic head
- wiring board
- printed wiring
- 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.)
- Expired - Lifetime
Links
- 238000001514 detection method Methods 0.000 claims 3
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 230000005494 condensation Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
- G11B33/12—Disposition of constructional parts in the apparatus, e.g. of power supply, of modules
- G11B33/121—Disposition of constructional parts in the apparatus, e.g. of power supply, of modules the apparatus comprising a single recording/reproducing device
- G11B33/122—Arrangements for providing electrical connections, e.g. connectors, cables, switches
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/52—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with simultaneous movement of head and record carrier, e.g. rotation of head
- G11B5/53—Disposition or mounting of heads on rotating support
Landscapes
- Recording Or Reproducing By Magnetic Means (AREA)
Description
【発明の詳細な説明】
〔発明の利用分野〕
本発明は磁気記録再生装置の回転磁気ヘツドド
ラム装置に係り、特に、信号線接続プラグ部の金
属保持具に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Application of the Invention] The present invention relates to a rotating magnetic head drum device for a magnetic recording/reproducing device, and more particularly to a metal holder for a signal line connection plug portion.
第１図及び第２図は従来の回転磁気ヘツドドラ
ムを示す要部断面図である。第１図において、回
転トランスステータ５の接続線は中継棒６を介し
て、フレキシブルプリント配線板７に接続され、
フレキシブルプリント配線板７の一端に搭載され
ているプラグ８から外部回路（図示せず）にコネ
クタにより接続される。
1 and 2 are sectional views of essential parts of a conventional rotating magnetic head drum. In FIG. 1, the connection wire of the rotating transformer stator 5 is connected to a flexible printed wiring board 7 via a relay rod 6.
A plug 8 mounted on one end of the flexible printed wiring board 7 is connected to an external circuit (not shown) by a connector.
一般的にフレキシブルプリント配線板は高価で
あり、又保持手段としてねじを使用すること、等
の欠点を持つている。すなわち第２図において、
保持具１４にフレキシブルプリント配線板７の一
端についているプリント配線板７ａを取付ける為
にねじ１６ｂが必要であつた。 Generally, flexible printed wiring boards are expensive and have drawbacks such as the use of screws as holding means. That is, in Figure 2,
Screws 16b were required to attach printed wiring board 7a attached to one end of flexible printed wiring board 7 to holder 14.
なお第１図、第２図において、回転ドラム２に
磁気ヘツド１が搭載されており、回転軸３ととも
に所定の回転速度で回転し、固定ドラム９に巻き
付いた磁気テープ（図示せず）に磁気記録再生を
行う。回転部と固定部との間の信号伝達は回転ト
ランスロータ４と回転トランスステータ５とによ
り行なわれる。回転はモータロータ１１とモータ
ステータコイル１２により行われ、１３はステー
タコイル１２のヨークである。１０はモータケー
スであり、ステータ部の固定及びモータロータ１
１の磁気漏洩のシールドを行うものである。また
第２図の１５ｂは保持具１４を固定ドラム９に固
定する為のネジである。 In FIGS. 1 and 2, a magnetic head 1 is mounted on a rotating drum 2, which rotates together with a rotating shaft 3 at a predetermined rotational speed and applies magnetism to a magnetic tape (not shown) wound around a fixed drum 9. Perform recording and playback. Signal transmission between the rotating part and the fixed part is performed by a rotating transformer rotor 4 and a rotating transformer stator 5. Rotation is performed by a motor rotor 11 and a motor stator coil 12, and 13 is a yoke of the stator coil 12. 10 is a motor case, which fixes the stator part and the motor rotor 1;
This shields magnetic leakage as described in No. 1. Further, 15b in FIG. 2 is a screw for fixing the holder 14 to the fixed drum 9.
本発明の目的は原価低減を計ることが出来る回
転磁気ヘツドドラム装置を提供することにある。
SUMMARY OF THE INVENTION An object of the present invention is to provide a rotating magnetic head drum device that can reduce costs.
本発明は、プリント配線板を保持具に微少面積
で保持する形状にしたものであり、これにより、
高価なフレキシブル配線板を削除し原価低減を計
つたものである。
The present invention has a shape in which a printed wiring board is held in a small area by a holder, and thereby,
This is an attempt to reduce costs by eliminating the expensive flexible wiring board.
以下、本発明の一実施例を第３図〜第７図によ
り説明する。第３図において、中継棒６の一端に
直接プラグ８を搭載したプリント配線板１８を接
続させる。プリント配線板１８は固定ドラム９に
固定された保持具１９に直接固定されている。プ
リント配線板１８と保持具１９の取付けは次のよ
うになされる。即ち第４図、第５図において、保
持具１９の一部に突出部１９ａを設け、プリント
配線板１８の一部に角穴１８ａに上記突出部１９
ａを挿入し、突起部１９ａをねじ曲げることによ
り、上記保持具１９とプリント配線板１８を固定
する。保持具１９は固定ドラム９にねじ１５ａに
より固定される。又保持具１９にはアースブラシ
１７を取付けるめねじ１９ｃが一部に設けられて
おり、別の片端には結露防止用のヒータ２１を取
付ける為のＵ字形状１９ｄが設けられている。第
６、第７図に保持具１９を示した。
An embodiment of the present invention will be described below with reference to FIGS. 3 to 7. In FIG. 3, a printed wiring board 18 on which a plug 8 is mounted is directly connected to one end of the relay rod 6. The printed wiring board 18 is directly fixed to a holder 19 fixed to the fixed drum 9. The printed wiring board 18 and the holder 19 are attached as follows. That is, in FIGS. 4 and 5, a protrusion 19a is provided in a part of the holder 19, and the protrusion 19 is provided in a square hole 18a in a part of the printed wiring board 18.
a and by twisting the protrusion 19a, the holder 19 and the printed wiring board 18 are fixed. The holder 19 is fixed to the fixed drum 9 by screws 15a. Further, the holder 19 is provided with a female thread 19c in a part thereof to which the earth brush 17 is attached, and a U-shape 19d in which a heater 21 for preventing dew condensation is attached is provided at the other end. The holder 19 is shown in FIGS. 6 and 7.
上記の構造により、フレキシブルプリント配線
板を使用しないで、回転トランスステータ５から
の信号接続をプラグ８まで結線することが出来
る。 With the above structure, signal connections from the rotating transformer stator 5 can be connected to the plug 8 without using a flexible printed wiring board.
本発明によれば、フレキシブルプリント配線板
を使用しないで、信号線を外部に接続させること
が出来ること、及びアースブラシと結露防止用ヒ
ータを１つの保持具に取付け可能にしたことによ
り原価低減の効果が大きい。
According to the present invention, the signal line can be connected to the outside without using a flexible printed wiring board, and the ground brush and the condensation prevention heater can be attached to one holder, thereby reducing costs. Great effect.
第１図は従来回転磁気ヘツドドラム装置の縦断
面図、第２図はその側面図、第３図は本発明の一
実施例を示す回転磁気ヘツドドラム装置の縦断面
図、第４図は第３図の側面図、第５図は第４図の
Ａ−Ａ線断面図、第６図は本発明の保持具の平面
図、第７図は第６図の側面図である。
５……回転トランスステータ、６……中継棒、
７……フレキシブルプリント配線板、８……プラ
グ、１８……プリント配線板、１９……保持具、
１７……アースブラシ、２１……ヒータ。
FIG. 1 is a longitudinal sectional view of a conventional rotating magnetic head drum device, FIG. 2 is a side view thereof, FIG. 3 is a longitudinal sectional view of a rotating magnetic head drum device showing an embodiment of the present invention, and FIG. 5 is a sectional view taken along line A-A in FIG. 4, FIG. 6 is a plan view of the holder of the present invention, and FIG. 7 is a side view of FIG. 6. 5...Rotating transformer stator, 6...Relay rod,
7... Flexible printed wiring board, 8... Plug, 18... Printed wiring board, 19... Holder,
17...Earth brush, 21...Heater.
Claims (1)
前記回転ドラムと共に所定の回転速度で回転する
磁気ヘツドと、前記固定ドラム内に配設され、前
記磁気ヘツドにて検出した検出信号を伝達する信
号伝達手段と、前記固定ドラムの外側面に固定さ
れた保持具を具えた回転磁気ヘツドドラム装置に
おいて、前記信号伝達手段は前記磁気ヘツドに結
合された信号伝達器と、前記信号伝達器に結合さ
れ、前記検出信号を前記固定ドラムの外部に導く
中継棒と、前記検出信号を外部回路に結合するプ
ラグと、前記固定ドラムの下面にかつ前記保持具
の下端部に固定され、前記中継棒と前記プラグを
取付けられたプリント配線板とからなり、前記保
持具の下端部に突出部が設けられ、前記突出部で
前記プリント配線板を固定したことを特徴とする
回転磁気ヘツドドラム装置。1 Disposed between the rotating drum and the fixed drum,
a magnetic head that rotates at a predetermined rotational speed together with the rotating drum; a signal transmitting means that is disposed within the fixed drum and transmits a detection signal detected by the magnetic head; and a signal transmitting means that is fixed to the outer surface of the fixed drum. In the rotating magnetic head drum device, the signal transmitting means includes a signal transmitter coupled to the magnetic head, and a relay rod coupled to the signal transmitter and guiding the detection signal to the outside of the fixed drum. a plug for coupling the detection signal to an external circuit; and a printed wiring board fixed to the lower surface of the fixed drum and to the lower end of the holder, to which the relay rod and the plug are attached, A rotating magnetic head drum device characterized in that a protrusion is provided at a lower end of the tool, and the printed wiring board is fixed by the protrusion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3854784A JPS60185204A (en) | 1984-03-02 | 1984-03-02 | Rotary magnetic head drum device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3854784A JPS60185204A (en) | 1984-03-02 | 1984-03-02 | Rotary magnetic head drum device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60185204A JPS60185204A (en) | 1985-09-20 |
| JPH0513321B2 true JPH0513321B2 (en) | 1993-02-22 |
Family
ID=12528312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3854784A Granted JPS60185204A (en) | 1984-03-02 | 1984-03-02 | Rotary magnetic head drum device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60185204A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63213103A (en) * | 1987-02-27 | 1988-09-06 | Matsushita Electric Ind Co Ltd | Floppy disk device |
| KR20000003059A (en) * | 1998-06-25 | 2000-01-15 | 윤종용 | Head drum assembly of tape recorder |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6038703A (en) * | 1983-08-11 | 1985-02-28 | Ricoh Co Ltd | Cylinder drum of video tape recorder |
-
1984
- 1984-03-02 JP JP3854784A patent/JPS60185204A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6038703A (en) * | 1983-08-11 | 1985-02-28 | Ricoh Co Ltd | Cylinder drum of video tape recorder |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60185204A (en) | 1985-09-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |