JPS63173201A - Video tape recorder - Google Patents

Video tape recorder

Info

Publication number
JPS63173201A
JPS63173201A JP545787A JP545787A JPS63173201A JP S63173201 A JPS63173201 A JP S63173201A JP 545787 A JP545787 A JP 545787A JP 545787 A JP545787 A JP 545787A JP S63173201 A JPS63173201 A JP S63173201A
Authority
JP
Japan
Prior art keywords
drum device
rotating drum
chassis
video tape
tape recorder
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.)
Granted
Application number
JP545787A
Other languages
Japanese (ja)
Other versions
JPH0778842B2 (en
Inventor
Satoshi Yamamoto
聡 山本
Tatsuo Hakuta
伯田 達夫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
Original Assignee
Sony Corp
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 by Sony Corp filed Critical Sony Corp
Priority to JP62005457A priority Critical patent/JPH0778842B2/en
Publication of JPS63173201A publication Critical patent/JPS63173201A/en
Publication of JPH0778842B2 publication Critical patent/JPH0778842B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B33/00Constructional parts, details or accessories not provided for in the other groups of this subclass
    • G11B33/12Disposition of constructional parts in the apparatus, e.g. of power supply, of modules
    • G11B33/121Disposition of constructional parts in the apparatus, e.g. of power supply, of modules the apparatus comprising a single recording/reproducing device
    • G11B33/122Arrangements for providing electrical connections, e.g. connectors, cables, switches

Landscapes

  • Recording Or Reproducing By Magnetic Means (AREA)

Abstract

PURPOSE:To simplify an electrical connection, to improve a noise of a signal system, and to make the titled video tape recorder miniature and light in weight by fixing a rotary drum device to a substrate, setting a terminal connected to a magnetic head, etc., to a connecting state to a circuit pattern, and executing an electrical connection to the substrate. CONSTITUTION:In a state that a projection 14 of the lower end of a rotary drum device 2 is allowed to pass through a through-hole 21 of a sheet connector 20 and a through-hole 16 of a chassis 9, said projection is allowed to pass through screw holes 19, 22 and 15b of the chassis 9, the sheet connector 20 and a wiring board 15 and screwed by two pieces of drum device fixing screws 40 from the lower side of the chassis 9, so as to become a state that the rotary drum device 2 is fixed onto the chassis 9. The sheet connector 20 on a circuit pattern 10 is in a state that is comes into contact with a connecting pin 13 on the surface of the opposite side, therefore, by a characteristic of the sheet connector 20, the respective connecting pins 13 and the prescribed circuit pattern 10 becomes a conducting state, and each electronic parts in the rotary drum device 2 become a state connected to prescribed circuit parts of a video tape recorder. In such a way, an electrical connection of the rotary drum device, etc. is simplified, a noise of a signal system is improved, and the video tape recorder can be made miniature and light in weight.

Description

【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、小形のビデオテープレコーダに関する。[Detailed description of the invention] [Industrial application field] The present invention relates to a compact video tape recorder.

〔発明の概要〕[Summary of the invention]

本発明は、小形のビデオテープレコーダにおいて、回転
ドラム装置の下端に磁気ヘッド等と接続された端子を設
けると共に、回転ドラム装置を固定する基板の表面に回
転ドラム装置の端子に対応した回路パターンを設け、こ
の回路パターンの所定位置に記録又は再生増幅回路部品
、サーボ回路部品を接続し、回転ドラム装置を基板に固
定することにより、端子が基板表面の回路パターンと導
通状態となり、回転ドラム装置の基板への電気的接続が
行なわれ、回転ドラム装置の電気的接続がケーブルを使
用せずに簡単にできる様にすると共に信号系の雑音を改
善し、更に部品取付基板を省略し、小形軽量化を図った
ものである。
The present invention provides a small video tape recorder in which a terminal connected to a magnetic head or the like is provided at the lower end of a rotating drum device, and a circuit pattern corresponding to the terminal of the rotating drum device is provided on the surface of a substrate to which the rotating drum device is fixed. By connecting recording or reproducing amplification circuit parts and servo circuit parts to predetermined positions of this circuit pattern and fixing the rotating drum device to the board, the terminals are brought into conduction with the circuit pattern on the surface of the board, and the rotating drum device is connected to the circuit pattern. Electrical connection to the board is made, making it easy to electrically connect the rotating drum device without using cables, improving signal system noise, and eliminating component mounting boards, making it smaller and lighter. The aim is to

〔従来の技術〕[Conventional technology]

従来のビデオテープレコーダは第5図に示す如くアルミ
板等より成る箱形シャーシ(1)に回転ドラム装置(2
)、ビデオテープのローディング用等の種々の制御用の
モータ(3)等を固定すると共にこの箱形シャーシ(1
)とは別に設けたプリント基板(4)上に記録及び再生
増幅回路部品(5a)、サーボ回路部品(5b)等の回
路部品を接続固定する如くし、この箱形シャーシ(1)
上の回転ドラム装置(2)、駆動用モータ(3)等とプ
リント基板(4)上の回路部品(5a) (5b)・・
・との電気的接続は先端に接続コネクタ(6)を取付け
た線材のケーブル(7)により行なっていた。例えば回
転ドラム装置(2)は第6図に示す如く固定されて回転
しない下ドラム(2a)と回転する上ドラム(2b)と
よりなり、上ドラム(2b)には複数個の磁気ヘッド(
8)が取付けである。そしてドラムモータ(図示せず)
により上ドラム(2b)を回転駆動することで磁気ヘッ
ド(8)も回転し、この上ドラム(2b)の周面に巻装
されたビデオテープ(図示せず)への信号の記録又はビ
デオテープからの信号の再生が行なわれる。この回転ド
ラム装置(2)の箱形シャーシ(1)への取付固定は回
転しない下ドラム(2a)側とシャーシ(1)にねし正
固定していた。そして、このプリント基板(4)上の記
録及び再生増幅回路部品(5a)、サーボ回路部品(5
b)等の電子回路部品と磁気ヘッド(8)、サーボ回路
等の回転ドラム装置(2)内の電子回路部品との電気的
接続は先端に接続コネクタ(6a) (6b) ・・・
(6f)を取付けたケーブル(7a) (7b) −(
7f)により行なっている。即ち、このプリント基板(
4)上の所定の端子に接続コネクタ(6a) (6b)
・・・(6f)を接続することで、磁気ヘッド(8)の
サーボ回路等の各回路部品が接続された状態となる。
As shown in Fig. 5, a conventional video tape recorder has a box-shaped chassis (1) made of an aluminum plate, etc., and a rotating drum device (2).
), this box-shaped chassis (1
), circuit components such as recording and reproducing amplifier circuit components (5a) and servo circuit components (5b) are connected and fixed onto a printed circuit board (4) provided separately from the box-shaped chassis (1).
The rotating drum device (2) on the top, the drive motor (3), etc., and the circuit components (5a) (5b) on the printed circuit board (4)...
Electrical connection with the wire was made using a wire cable (7) with a connector (6) attached to the tip. For example, as shown in FIG. 6, the rotating drum device (2) consists of a lower drum (2a) that is fixed and does not rotate, and an upper drum (2b) that rotates, and the upper drum (2b) has a plurality of magnetic heads (
8) is installation. and drum motor (not shown)
By rotationally driving the upper drum (2b), the magnetic head (8) also rotates, and signals are recorded on a video tape (not shown) wound around the circumferential surface of the upper drum (2b). Regeneration of the signal from is performed. The rotating drum device (2) was fixed to the box-shaped chassis (1) by screwing the lower drum (2a), which does not rotate, to the chassis (1). Then, on this printed circuit board (4), recording and reproducing amplification circuit components (5a) and servo circuit components (5
Electrical connections between electronic circuit components such as b) and electronic circuit components in the rotating drum device (2) such as the magnetic head (8) and servo circuit are made using connectors (6a) (6b)...
Cable (7a) (7b) with (6f) attached -(
7f). That is, this printed circuit board (
4) Connect connectors (6a) (6b) to the specified terminals on the top.
By connecting (6f), each circuit component such as the servo circuit of the magnetic head (8) becomes connected.

〔発明が解決しようとする問題点〕[Problem that the invention seeks to solve]

斯るビデオテープレコーダの回転ドラム装置(2)に取
付ける磁気ヘッド(8)は近年通常の記録再生用の他に
変速再生用ヘッド、回転消去ヘッド等の数多くのヘッド
を取付けろ場合があり、この場合はその変速再生等に対
応したサーボ回路を必要とし、この回転ドラム装置(2
)とプリント基板(4)との接続用のケーブル(7a)
 (7b)・・・が数多く必要であった。
In recent years, the magnetic head (8) attached to the rotating drum device (2) of such a video tape recorder has been equipped with a number of heads such as a variable speed playback head, a rotary erasing head, etc. in addition to the normal recording and playback head. In this case, a servo circuit corresponding to variable speed playback, etc. is required, and this rotating drum device (2
) and printed circuit board (4) connection cable (7a)
(7b)... were required in large numbers.

またこのように接続用のケーブル(7a) (7b)・
・・を数多く使用すると、部品点数が多くなり製造に手
間がかかると共に製造コストを上昇させてしまう不都合
があった。更に、箱形シャーシ(1)の他にプリント基
板(4)を設は2等間をケーブル(7a) (7b)・
・・で接続することはそれだけ大形となると共に重量が
増大し、更に信号系のケーブルに於いては引き回す長さ
が長くなればそれだけ雑音を拾う不都合があった。
Also, like this connection cable (7a) (7b)
If a large number of... are used, the number of parts increases, making manufacturing time-consuming and increasing manufacturing costs. Furthermore, in addition to the box-shaped chassis (1), a printed circuit board (4) is installed and cables (7a) (7b) and
. . . connecting them increases the size and weight, and the longer the signal cable is routed, the more noise it picks up.

本発明は斯る点に鑑み、回転ドラム装置(2)等の電気
的接続を線材のケーブルを使用せずに簡単にできる様に
すると共に信号系の雑音を改善し、更に電子部品取付基
板を省略し、小形、軽量化を図かることを目的とする。
In view of these points, the present invention enables electrical connection of the rotating drum device (2) etc. to be easily made without using wire cables, improves noise in the signal system, and further improves the electronic component mounting board. The purpose is to omit it and make it smaller and lighter.

〔問題点を解決するための手段〕[Means for solving problems]

本発明ビデオテープレコーダは例えば第1図及び第2図
に示す如く回転ドラム装置(2)の下端に磁気ヘッド(
8)等と接続された端子を設けると共にこの回転ドラム
装置(2)を固定する基板(9)の表面にこの回転ドラ
ム装置(2)の端子に対応した回路パターンCI[9Q
ω・・・を設け、この回路パターンα〔の所定位置に記
録又は再生増幅回路部品αυ、サーボ回路部品的を接続
し、この回転ドラム装置(2)をこの基板(9)に固定
することにより、この端子が基板(9)表面の回路パタ
ーン0〔と導通状態となり、この回転ドラム装置(2)
のこの基板(9)への電気的接続が行なわれる様にした
ものである。
In the video tape recorder of the present invention, for example, as shown in FIGS. 1 and 2, a magnetic head (
8), etc., and a circuit pattern CI[9Q corresponding to the terminals of this rotating drum device (2) is provided on the surface of the substrate (9) to which this rotating drum device (2) is fixed.
By providing ω..., connecting the recording or reproducing amplification circuit component αυ and the servo circuit component to the predetermined position of this circuit pattern α, and fixing this rotating drum device (2) to this board (9). , this terminal becomes electrically connected to the circuit pattern 0 on the surface of the board (9), and this rotating drum device (2)
An electrical connection is made to this substrate (9).

〔作 用〕[For production]

本発明ビデオテープレコーダに依れば回転ドラム装置(
2)を基板(9)に固定するだけで、端子0濁が回路パ
ターンQO)と導通状態となり線材のケーブルを使用す
ることなく回転ドラム装置(2)の電子回路部品を電気
的に接続することができ、且つこの回転ドラム装置(2
)を固定した基板(9)上の回路パターンaψの所定位
置に記録及び再生増幅回路部品αυ、サーボ回路部品的
を接続するので電子回路部品を取付けるプリント基板を
省略でき、小形軽量化を図ることができ、更に記録又は
再生増幅回路部品をケーブルを使用することなく回転ド
ラム装置(2)の近傍に配することができるのでそれだ
け信号系の雑音を改善できる。
According to the video tape recorder of the present invention, a rotating drum device (
By simply fixing 2) to the board (9), the terminal 0 becomes conductive to the circuit pattern QO), and the electronic circuit components of the rotating drum device (2) can be electrically connected without using wire cables. is possible, and this rotating drum device (2
) is fixed to the fixed position of the circuit pattern aψ on the circuit board (9), the recording and reproducing amplification circuit part αυ and the servo circuit part are connected, so the printed circuit board on which the electronic circuit parts are attached can be omitted, and the size and weight can be reduced. Furthermore, since the recording or reproducing amplifying circuit components can be placed near the rotating drum device (2) without using cables, the noise in the signal system can be improved accordingly.

〔実施例〕〔Example〕

以下第1図、第2図、第3図及び第4図を参照して本発
明ビデオテープレコーダの一実施例を説明しよう。この
第1図、第2図、第3図及び第4図に於いて第5図及び
第6図に対応する部分には同一符号を付しその詳細説明
は省略する。
An embodiment of the video tape recorder of the present invention will be described below with reference to FIGS. 1, 2, 3, and 4. In FIGS. 1, 2, 3, and 4, parts corresponding to those in FIGS. 5 and 6 are designated by the same reference numerals, and detailed explanation thereof will be omitted.

本例に於いては第1図に示す如く回転ドラム装置(2)
は固定されて回転しない下ドラム(2a)と回転する上
ドラム(2b)とよりなり、上ドラム(2b)には複数
個の磁気ヘッド(8)が取付けである。また、下ドラム
(2a)の下部には、円筒状の突起0旬があり、この突
起Q4)内に上ドラム(2b)駆動用のモータ等が収め
である。
In this example, as shown in Fig. 1, a rotating drum device (2) is used.
It consists of a lower drum (2a) that is fixed and does not rotate and an upper drum (2b) that rotates, and a plurality of magnetic heads (8) are attached to the upper drum (2b). Further, there is a cylindrical projection Q4 at the bottom of the lower drum (2a), and a motor for driving the upper drum (2b) is housed within this projection Q4).

そして、下ドラム(2a)の下端には、第3図に示す如
く、円形の配線基板α9が取付けである。この配線基板
0料よ、中央に上述の突起Oaを通すための透孔(15
a)が設けであると共に、2箇所に後述するドラム装置
固定用ねしく40)を通すためのねし孔(15b)が設
けである。そして、この配線基板(5)には、接続ピン
α力が複数個放射状に配置しである。
As shown in FIG. 3, a circular wiring board α9 is attached to the lower end of the lower drum (2a). This wiring board has a through hole (15
In addition to a), there are two screw holes (15b) for passing the drum device fixing screws 40), which will be described later. A plurality of connection pins α are arranged radially on this wiring board (5).

この接続ピンCI目よ、第4図に示す如く、湾曲させて
弾性力を有するような形状にしである。そして半田aD
により、この配線基板θつに固定しであると共に磁気ヘ
ッド(8)、サーボ回路等の電子回路部品との接続用の
信号線α枠を導通状態で固定している。
As shown in FIG. 4, this connecting pin CI is curved to have an elastic shape. And Handa aD
Thus, the signal line α frame for connection with electronic circuit components such as the magnetic head (8) and the servo circuit is fixed in a conductive state while being fixed to the wiring board θ.

本例の回転ドラム装置(2)は、以上のようにして構成
され、この回転ドラム装置(2)をビデオテープレコー
ダ内に固定する基板として、第1図に示す如きシャーシ
(9)を使用する。このシャーシ(9)は、アルミ板等
の各比較的強度の強い金属板(9a)よりなり、回転ド
ラム装置(2)取付部近傍を含むこの金属板(9a)上
を絶縁性の合成樹脂(9b)で覆ったものを使用する。
The rotating drum device (2) of this example is constructed as described above, and a chassis (9) as shown in FIG. 1 is used as a substrate for fixing this rotating drum device (2) inside a video tape recorder. . This chassis (9) is made of a relatively strong metal plate (9a) such as an aluminum plate, and an insulating synthetic resin ( Use the one covered with 9b).

そして、このシャーシ(9)の回転ドラム装置(2)取
付部には、この回転ドラム装置(2)の突起αaを通す
ための透孔Q6)が設けであると共に、2箇所にドラム
装置固定用ねしく40)を通すためのねじ孔αΦを設け
る。そして、この透孔OQを中心にして、放射状に複数
本の所定の回路パターン00を合成樹脂(9b)上に印
刷配線により形成する。この回路パターンa〔は銅箔等
よりなり、第3図に示した回転ドラム装置α0の配線基
板QS上の接続ピンα[有]の配置状態に対応したパタ
ーンに形成してあり、このビデオテープレコーダの回路
基板を構成している。またこの回路パターンQl))に
は所定のランドが形成されており、このランドに記録及
び再生増幅回路部品0υ、サーボ回路部品側を半田付等
により接続する。この場合回路部品としては裸の(Ba
re)ICを直接回路パターン00)の所定のランドに
接続し、その上より絶縁性の合成樹脂で被覆するように
しても良い。また第2図に示す如くこのシャーシ(9)
の裏面にも同様にして回路パターンを設け、ここに回路
部品を配しても良い。
The mounting portion of the rotating drum device (2) of this chassis (9) is provided with a through hole Q6) for passing the protrusion αa of this rotating drum device (2), and has two holes for fixing the drum device. A screw hole αΦ is provided for passing the screw 40) through. Then, a plurality of predetermined circuit patterns 00 are formed radially around the through hole OQ on the synthetic resin (9b) by printed wiring. This circuit pattern a is made of copper foil or the like and is formed in a pattern corresponding to the arrangement of the connection pins α on the wiring board QS of the rotating drum device α0 shown in FIG. It constitutes the recorder's circuit board. Further, a predetermined land is formed in this circuit pattern Ql)), and the recording/reproducing amplification circuit component 0υ and the servo circuit component side are connected to this land by soldering or the like. In this case, bare (Ba) circuit components are used as circuit components.
re) The IC may be directly connected to a predetermined land of the circuit pattern 00) and then covered with an insulating synthetic resin. Also, as shown in Figure 2, this chassis (9)
A circuit pattern may be similarly provided on the back side of the board, and circuit components may be arranged here.

そして、本例の回転ドラム装置(2)をシャーシ(9)
上に固定する際には、回転ドラム装置(2)の下端とシ
ャーシ(9)との間に異方性のシートコネクタ(2Il
lを挾む。このシートコネクタQのは、第1図に示す如
く、円形で中央に回転ドラム装置(2)の突起Oのを通
すための透孔(21)が設けであると共に、2箇所にド
ラム装置固定用ねじ(40)を通すためのねし孔(22
)が設けである。そして、この異方性シートコネクタは
、両面から導電材により所定の圧力で挟むことで、この
挟まれた箇所の垂直方向だけが電気的に接続されたこと
となる。
Then, the rotating drum device (2) of this example is mounted on the chassis (9).
When fixing on the top, an anisotropic sheet connector (2Il
Hold the l. As shown in Fig. 1, this seat connector Q is circular and has a through hole (21) in the center for passing the protrusion O of the rotating drum device (2), and has two holes for fixing the drum device. A tapped hole (22) for passing the screw (40)
) is provided. This anisotropic sheet connector is sandwiched from both sides by conductive materials with a predetermined pressure, so that only the sandwiched portions are electrically connected in the vertical direction.

本例は、このようにして構成されるシートコネクタ(2
Φを回転ドラム装置(2)とシャーシ(9)との間に挾
んで、回転ドラム装置(2)を固定する。即ち、回転ド
ラム装置(2)の下端の突起0ωをシートコネクタ(2
mの透孔(21)とシャーシ(9)の透孔αeを通した
状態でミシャーシ(9)の下側から2本のドラム装置固
定用ねじ(40)により、シャーシ(9)とシートコネ
クタQΦと配線基板αりのねじ孔Q1.(22)及び(
15b)を通してねし止めする。この様にすることで、
シャーシ(9)上に回転ドラム装置(2)が固定された
状態となる。そして、このように固定することで、シャ
ーシ(9)上の回路パターン00)を回転ドラム装置(
2)の配線基板Q51上の接続ピンα■の配置状態に対
応して形成させたために、回路パターンαω上のシート
コネクタ(2mは反対側の面で接続ピンQ61と接触状
態となっている。このため、上述の如きこのシートコネ
クタ(2(llの特性より、夫々の接続ビンα濁と所定
の回路パターンαωとが導通状態となり、回転ドラム装
置(2)内の磁気ヘッド(8)、サーボ回路等の各電子
部品がビデオテープレコーダの所定の回路部品に接続さ
れた状態となる。
In this example, the sheet connector (2
Φ is sandwiched between the rotating drum device (2) and the chassis (9) to fix the rotating drum device (2). That is, the protrusion 0ω at the lower end of the rotating drum device (2) is connected to the seat connector (2).
Connect the chassis (9) and the seat connector QΦ from the bottom of the chassis (9) with two drum device fixing screws (40) through the through hole (21) of the chassis (9) and the through hole αe of the chassis (9). and the screw hole Q1 on the wiring board α. (22) and (
15b) and secure with a screw. By doing this,
The rotating drum device (2) is now fixed on the chassis (9). By fixing in this way, the circuit pattern 00) on the chassis (9) is fixed to the rotating drum device (
Since the sheet connector (2m) on the circuit pattern αω is formed in accordance with the arrangement state of the connection pin α■ on the wiring board Q51 in 2), the sheet connector (2m) is in contact with the connection pin Q61 on the opposite surface. Therefore, due to the characteristics of this sheet connector (2(ll) as described above, the respective connection bottles α and the predetermined circuit pattern αω become electrically connected, and the magnetic head (8) in the rotating drum device (2) and the servo Each electronic component such as a circuit is connected to a predetermined circuit component of the video tape recorder.

このように回転ドラム装置(2)をシャーシ(9)にね
じ(40)により固定するだけで電気的接続も行なわれ
るため、この回転ドラム装置(2)の取付作業が簡単に
行なえる。また、ケーブルを使用して接続する必要がな
いため、回転ドラム装置(2)の部品点数が少なく、安
価に製造できる。
In this way, the electrical connection is made simply by fixing the rotating drum device (2) to the chassis (9) with the screws (40), so that the installation work of the rotating drum device (2) can be easily performed. Further, since there is no need to use cables for connection, the number of parts of the rotating drum device (2) is small and it can be manufactured at low cost.

また、モータ(3)等も回転ドラム装置(2)と同様に
シャーシ(9)の所定の回路パターンα・に接続固定す
る如くする。
Further, the motor (3) and the like are connected and fixed to a predetermined circuit pattern α of the chassis (9) in the same manner as the rotating drum device (2).

本例は上述の如く回転ドラム装置(2)を取付けるシャ
ーシ(9)に記録及び再生増幅回路部品Ql)、サーボ
回路部高側等の電子回路部品を取付けるので電子回路部
品を取付けるプリント配線基板を省略することができ、
それだけ小形、軽量化を図ることができる。更に記録及
び再生増幅回路部品αυをケーブルを使用することなく
回転ドラム装置(2)の近傍に配することができるので
、それだけ信号系の雑音を改善できる。また更にサーボ
系は電圧の低い信号(例えば周波数発電機よりの信号)
と制御用の大電力信号とが混在しているが、このサーボ
系の回路部品を回転ドラム装置(2)の近傍の所定位置
に配することができるので、この電圧の低い信号と大電
力信号とをケーブルで同時に引き回わさなくて良く、そ
れだけ構成が簡単となると共に良好なサーボが行なえる
利益がある。
In this example, as mentioned above, electronic circuit components such as the recording and reproducing amplifier circuit component Ql) and the high side of the servo circuit section are attached to the chassis (9) to which the rotating drum device (2) is attached, so the printed wiring board on which the electronic circuit components are attached is attached. can be omitted,
The size and weight can be reduced accordingly. Furthermore, since the recording and reproducing amplifying circuit component αυ can be placed near the rotating drum device (2) without using a cable, the noise in the signal system can be improved accordingly. Furthermore, the servo system uses low voltage signals (for example, signals from a frequency generator)
However, since the servo system circuit components can be placed in a predetermined position near the rotating drum device (2), these low voltage signals and high power signals can be combined. It is not necessary to route the two cables at the same time, which has the advantage of simplifying the configuration and enabling better servo control.

尚、本発明は上述実施例に限らず本発明の要旨を逸脱す
ることなくその他種々の構成が取り得ることは勿論であ
る。
It goes without saying that the present invention is not limited to the above-described embodiments, and that various other configurations can be taken without departing from the gist of the present invention.

〔発明の効果〕〔Effect of the invention〕

本発明に依れば、回転ドラム装置(2)を基板(9)に
固定するだけで、線材のケーブルを使用することなく回
転ドラム装置(2)の電子回路部品を電気的に接続する
ことができ、この回転ドラム装置(2)の取付作業が簡
単に行なえる利益がある。また本発明に依れば回転ドラ
ム装置(2)を固定した基板(9)上の回路パターンO
Iの所定位置にケーブルを使用することなく記録及び再
生増幅回路部品aυ、サーボ回路部品@を接続するので
信号系の雑音を改善できると共に良好なサーボができ、
更に電子回路部品を取付けるプリント基板を省略できる
のでビデオテープレコーダを小形、軽量化できる利益が
ある。
According to the present invention, electronic circuit components of the rotating drum device (2) can be electrically connected by simply fixing the rotating drum device (2) to the substrate (9) without using wire cables. This has the advantage that the rotating drum device (2) can be easily installed. Further, according to the present invention, the circuit pattern O on the substrate (9) to which the rotating drum device (2) is fixed
Since the recording and reproducing amplifier circuit parts aυ and the servo circuit parts @ are connected to the specified positions of I without using cables, it is possible to improve signal system noise and achieve good servo performance.
Furthermore, since the printed circuit board for mounting electronic circuit components can be omitted, there is an advantage that the video tape recorder can be made smaller and lighter.

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

第1図は本発明ビデオテープレコーダの一実施例を示す
一部の分解斜視図、第2図は本発明ビデオテープレコー
ダの一実施例を示す構成図、第3図は本発明に依る回転
ドラム装置の例を示す底面図、第4図はドラム側基板の
例を示す切欠断面図、第5図は従来のビデオテープレコ
ーダの例を示す構成図、第6図は従来の回転ドラム装置
の例を示す構成図である。 (2)は回転ドラム装置、(8)は磁気ヘッド、(9)
はシャーシ、(9a)は金属板、(9b)は合成樹脂、
aωは回路パターン、αυは記録及び再生増幅回路部品
、亜はサーボ回路部品、Q31は接続ピン、(2mはシ
ートコネクタである。
FIG. 1 is a partial exploded perspective view showing an embodiment of the video tape recorder of the present invention, FIG. 2 is a configuration diagram showing an embodiment of the video tape recorder of the present invention, and FIG. 3 is a rotating drum according to the present invention. A bottom view showing an example of the device, FIG. 4 is a cutaway sectional view showing an example of a drum side board, FIG. 5 is a configuration diagram showing an example of a conventional video tape recorder, and FIG. 6 is an example of a conventional rotating drum device. FIG. (2) is a rotating drum device, (8) is a magnetic head, (9)
is a chassis, (9a) is a metal plate, (9b) is a synthetic resin,
aω is a circuit pattern, αυ is a recording and reproduction amplifier circuit component, sub is a servo circuit component, Q31 is a connection pin, (2m is a sheet connector.

Claims (1)

【特許請求の範囲】 回転ドラム装置の下端に磁気ヘッド等と接続された端子
を設けると共に、上記回転ドラム装置を固定する基板の
表面に上記回転ドラム装置の端子に対応した回路パター
ンを設け、 該回路パターンの所定位置に記録又は再生増幅回路部品
、サーボ回路部品を接続し、 上記回転ドラム装置を上記基板に固定することにより、
上記端子が上記基板表面の回路パターンと導通状態とな
り、上記回転ドラム装置の上記基板への電気的接続が行
なわれる様にしたことを特徴とするビデオテープレコー
ダ。
[Scope of Claims] A terminal connected to a magnetic head or the like is provided at the lower end of the rotating drum device, and a circuit pattern corresponding to the terminal of the rotating drum device is provided on the surface of a substrate to which the rotating drum device is fixed. By connecting recording or reproducing amplification circuit components and servo circuit components to predetermined positions of the circuit pattern, and fixing the rotating drum device to the substrate,
A video tape recorder characterized in that the terminal is electrically connected to a circuit pattern on the surface of the substrate, so that the rotating drum device is electrically connected to the substrate.
JP62005457A 1987-01-13 1987-01-13 Video tape recorder Expired - Fee Related JPH0778842B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62005457A JPH0778842B2 (en) 1987-01-13 1987-01-13 Video tape recorder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62005457A JPH0778842B2 (en) 1987-01-13 1987-01-13 Video tape recorder

Publications (2)

Publication Number Publication Date
JPS63173201A true JPS63173201A (en) 1988-07-16
JPH0778842B2 JPH0778842B2 (en) 1995-08-23

Family

ID=11611752

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62005457A Expired - Fee Related JPH0778842B2 (en) 1987-01-13 1987-01-13 Video tape recorder

Country Status (1)

Country Link
JP (1) JPH0778842B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0419022A2 (en) * 1989-09-19 1991-03-27 International Business Machines Corporation Disk storage apparatus

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62142701U (en) * 1986-03-03 1987-09-09

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62142701U (en) * 1986-03-03 1987-09-09

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0419022A2 (en) * 1989-09-19 1991-03-27 International Business Machines Corporation Disk storage apparatus

Also Published As

Publication number Publication date
JPH0778842B2 (en) 1995-08-23

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