JPS6218803U - - Google Patents

Info

Publication number
JPS6218803U
JPS6218803U JP11035485U JP11035485U JPS6218803U JP S6218803 U JPS6218803 U JP S6218803U JP 11035485 U JP11035485 U JP 11035485U JP 11035485 U JP11035485 U JP 11035485U JP S6218803 U JPS6218803 U JP S6218803U
Authority
JP
Japan
Prior art keywords
drum
head
transformer
rotary transformer
lower 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
Application number
JP11035485U
Other languages
Japanese (ja)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP11035485U priority Critical patent/JPS6218803U/ja
Publication of JPS6218803U publication Critical patent/JPS6218803U/ja
Pending legal-status Critical Current

Links

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  • Recording Or Reproducing By Magnetic Means (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は、本考案に係る回転ヘツドドラムのヘ
ツド増幅器収納構造の一実施例を適用した回転ヘ
ツドドラムを示す半切断正面図である。第２図は
、同回転ヘツドドラムに使用される共用基板を示
す平面図である。第３図は、従来の回転ヘツドド
ラムの一例を示す半切断正面図である。 ３０……コイル、３１……モータロータ、３２
……シヤフト、３３……下部固定ドラム、３３ａ
，３３ｂ……ボールベアリング、３３ｃ……窓、
３３ｄ……案内孔、３４……ブツシユ、３５……
上部回転ドラム、３６……磁気ヘツド、３７……
ロータリートランス、３７ａ……ロータトランス
、３７ｂ……ステータトランス、３８……ロータ
マグネツト、３９……共用基板、３９ａ……ヘツ
ド増幅器、３９ｂ……張出部、３９ｃ……アンプ
パターン、３９ｄ……ＦＧパターン、３９ｅ……
ＰＧパターン、４０ａ，４０ｂ，４２……ケーブ
ル、４１……コネクタ、４３……空洞、４４……
コイル取付板、４５……モータドライブ回路、４
６……取付板、４７……ブツシユ。 FIG. 1 is a half-cut front view showing a rotary head drum to which an embodiment of the head amplifier housing structure for a rotary head drum according to the present invention is applied. FIG. 2 is a plan view showing a common substrate used in the rotary head drum. FIG. 3 is a half-cut front view showing an example of a conventional rotary head drum. 30...Coil, 31...Motor rotor, 32
...Shaft, 33...Lower fixed drum, 33a
, 33b... ball bearing, 33c... window,
33d... Guide hole, 34... Button, 35...
Upper rotating drum, 36...Magnetic head, 37...
Rotary transformer, 37a... Rotor transformer, 37b... Stator transformer, 38... Rotor magnet, 39... Shared board, 39a... Head amplifier, 39b... Overhang, 39c... Amplifier pattern, 39d... FG pattern, 39e...
PG pattern, 40a, 40b, 42... cable, 41... connector, 43... cavity, 44...
Coil mounting plate, 45...Motor drive circuit, 4
6...Mounting plate, 47...butsu.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 磁気ヘツドを有し下部固定ドラムに対して回転
駆動される上部回転ドラムと、その磁気ヘツドに
対する信号の受け渡しをするロータリートランス
とを有する回転ヘツドドラムにおいて、該ロータ
リートランスとして円筒形ロータリートランスを
用い、該下部固定ドラムの軸芯寄りにステータト
ランスを固定すると共に、該上部回転ドラムの内
側にロータトランスを設け、該上部回転ドラムと
該下部固定ドラムにより画成された空洞内に、該
ロータリートランスを介して該磁気ヘツドからの
出力信号を増幅するヘツド増幅器を収納せしめた
ことを特徴とする回転ヘツドドラムのヘツド増幅
器収納構造。 In a rotating head drum having an upper rotating drum having a magnetic head and rotationally driven relative to a lower fixed drum, and a rotary transformer transferring signals to the magnetic head, a cylindrical rotary transformer is used as the rotary transformer; A stator transformer is fixed near the axis of the lower fixed drum, and a rotor transformer is provided inside the upper rotating drum, and the rotary transformer is inserted into the cavity defined by the upper rotating drum and the lower fixed drum. 1. A head amplifier housing structure for a rotating head drum, characterized in that a head amplifier for amplifying an output signal from the magnetic head is housed therein.
JP11035485U 1985-07-17 1985-07-17 Pending JPS6218803U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11035485U JPS6218803U (en) 1985-07-17 1985-07-17

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11035485U JPS6218803U (en) 1985-07-17 1985-07-17

Publications (1)

Publication Number Publication Date
JPS6218803U true JPS6218803U (en) 1987-02-04

Family

ID=30989283

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11035485U Pending JPS6218803U (en) 1985-07-17 1985-07-17

Country Status (1)

Country Link
JP (1) JPS6218803U (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4222045Y1 (en) * 1964-10-30 1967-12-16
JPS6023906B2 (en) * 1981-05-18 1985-06-10 松下電器産業株式会社 How to solder parts

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4222045Y1 (en) * 1964-10-30 1967-12-16
JPS6023906B2 (en) * 1981-05-18 1985-06-10 松下電器産業株式会社 How to solder parts

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