JPS6131421Y2 - - Google Patents
Info
- Publication number
- JPS6131421Y2 JPS6131421Y2 JP1979053394U JP5339479U JPS6131421Y2 JP S6131421 Y2 JPS6131421 Y2 JP S6131421Y2 JP 1979053394 U JP1979053394 U JP 1979053394U JP 5339479 U JP5339479 U JP 5339479U JP S6131421 Y2 JPS6131421 Y2 JP S6131421Y2
- Authority
- JP
- Japan
- Prior art keywords
- carrier
- signal
- turntable
- movable body
- track
- 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
Links
- 238000001514 detection method Methods 0.000 claims description 19
- 239000000969 carrier Substances 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims 2
- 238000010168 coupling process Methods 0.000 claims 2
- 238000005859 coupling reaction Methods 0.000 claims 2
- 238000000034 method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Landscapes
- Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
- Moving Of Head For Track Selection And Changing (AREA)
Description
【考案の詳細な説明】
本考案は磁気担体の記録又は再生装置に係り、
特に同心円トラツクに基準信号を記録し、基準信
号点より渦巻状にトラツクを記録又は再生させる
ための装置に関する。[Detailed description of the invention] The present invention relates to a magnetic carrier recording or reproducing device,
In particular, the present invention relates to an apparatus for recording a reference signal on concentric tracks and recording or reproducing the tracks in a spiral manner from a reference signal point.
従来の可撓性磁気担体に於ては信号を記録する
場合に、磁気ヘツドを同心円状又は渦巻状に記録
し、可撓性磁気担体のスタート位置等を決めるた
めに、可撓性磁気担体に透孔を穿ち、受光素子及
び発光素子によりインデツクスセクタを検出する
検出手段が知られている。 When recording signals on conventional flexible magnetic carriers, magnetic heads are used to record signals concentrically or spirally, and to determine the starting position of the flexible magnetic carrier. A detection means is known in which a through hole is bored and an index sector is detected using a light receiving element and a light emitting element.
然しこの場合は受光素子と発光素子を必要と
し、可撓性磁気担体に透孔を設ける必要があり特
に渦巻状にトラツクを記録した場合には頭位置に
磁気ヘツドを戻した時に基準信号位置又は透孔位
置に戻す必要があり、この様な操作はかなり困難
である欠点を有する。 However, in this case, a light-receiving element and a light-emitting element are required, and a through hole must be provided in the flexible magnetic carrier. Especially when a track is recorded in a spiral shape, when the magnetic head is returned to the head position, the reference signal position or It is necessary to return the hole to the position of the hole, and such an operation has the disadvantage of being quite difficult.
本考案は上述の如き欠点を除去した担体の記録
手段又は再生手段を提供せんとするものである。 The present invention aims to provide a carrier recording or reproducing means that eliminates the above-mentioned drawbacks.
以下本考案の１実施例を第１図乃至第４図につ
いて説明する。 An embodiment of the present invention will be described below with reference to FIGS. 1 to 4.
第１図に示すものは担体１の内周位置に同心円
状のトラツク２を設け該同心円状トラツク２の１
部に基準信号４を記録するこの基準信号は例えば
1KHz．odbの信号でよく、この基準信号４を出発
点に内周から外周に向う渦巻状のトラツク３を有
している。 The one shown in FIG.
Record the reference signal 4 in the section.This reference signal is e.g.
1KHz. An odb signal may be used, and it has a spiral track 3 starting from this reference signal 4 and extending from the inner circumference to the outer circumference.
５ａ，５ｂはヘツド等の信号検出手段の最内周
及び最外周位置を示すもので。例えば５ｂに示す
渦巻状トラツク３の最終位置に信号検出手段が持
ち来たされた状態からこの最終信号をマイクロス
イツチ等で検出し、スタート位置に戻すために急
速に上記信号検出手段を同心円２の最内周位置５
ａに担体１の輻方向に移動させて戻し、担体１を
時計方向に回転させれば信号検出手段は同心円ト
ラツク２に沿つて回転し、基準信号４を検出す
る。 5a and 5b indicate the innermost and outermost positions of the signal detection means such as a head. For example, when the signal detecting means is brought to the final position of the spiral track 3 shown in 5b, this final signal is detected by a micro switch, etc., and the signal detecting means is rapidly moved to the concentric circle 2 in order to return to the starting position. Innermost position 5
When the carrier 1 is moved in the radial direction of the carrier 1 and returned to the point A, and the carrier 1 is rotated clockwise, the signal detecting means rotates along the concentric track 2 and detects the reference signal 4.
次に担体１を回転させると共に信号検出手段駆
動装置（図示せず）を担体駆動手段と同期させて
担体の輻方向に移動させれば信号検出手段は渦巻
状に走査された最終位置５ｂに達することにな
る。 Next, when the carrier 1 is rotated and the signal detection means driving device (not shown) is moved in the radial direction of the carrier in synchronization with the carrier driving means, the signal detection means reaches the final position 5b scanned in a spiral manner. It turns out.
この様な構成によればスタート点が極めて簡単
に検出出来るので担体駆動手段と連結したままス
タートストツプ等が可能である。 With such a configuration, the starting point can be detected very easily, so starting and stopping can be performed while the carrier is connected to the carrier driving means.
第２図に示すものは最外周位置に同心円２を設
けると共に基準信号４を該同心円の一部に基準信
号４を記録し、該記録点より渦巻状トラツク３を
内周方向に向つて構成させたものである。 In the device shown in FIG. 2, a concentric circle 2 is provided at the outermost circumferential position, a reference signal 4 is recorded on a part of the concentric circle, and a spiral track 3 is formed from the recording point toward the inner circumference. It is something that
この様な構成の場合スタート信号と成ると共に
内周より外周に向つて走査した場合にはエンド信
号として利用することを出来、きに基準信号によ
り信号検出手段を内周位置に移動させるための信
号とすることが出来る。 In such a configuration, it can be used as a start signal, and also as an end signal when scanning from the inner circumference to the outer circumference, and can also be used as a signal to move the signal detection means to the inner circumference position using the reference signal. It can be done.
上述の担体に信号を記録又は再生する装置を第
３図及び第４図について詳記する。 The apparatus for recording or reproducing signals on the carrier described above will be described in detail with respect to FIGS. 3 and 4.
第３図は本考案の担体駆動装置を示す略線図で
あり、ターンテーブル５上には機械的に該設した
溝を有するレコード盤又は磁気デイスクの如き記
録担体１が載置され、クランパー６によつて担体
１はターンテーブル５にクランプされる様に成さ
れる。 FIG. 3 is a schematic diagram showing the carrier driving device of the present invention, in which a record carrier 1 such as a record or a magnetic disk having mechanically provided grooves is placed on a turntable 5, and a clamper 6 Thus, the carrier 1 is clamped to the turntable 5.
又担体１には頭位置を示す情報が設けられター
ンテーブル５に嵌着した軸５ａの下端にはフライ
ホイールプーリ７が嵌着され、駆動モータ８によ
つて、ターンテーブル１は回転される。 Further, the carrier 1 is provided with information indicating the head position, and a flywheel pulley 7 is fitted to the lower end of a shaft 5a fitted to the turntable 5, and the turntable 1 is rotated by a drive motor 8.
駆動モータ８はブリツジサーボ回路１９により
駆動され、該ブリツジサーボ回路の一部はスイツ
チ手段１７を経て制御回路１８に与えられる。 The drive motor 8 is driven by a bridge servo circuit 19, a part of which is applied to a control circuit 18 via switch means 17.
更に軸５ａの中央部に第１のベベルギア９ａが
嵌着され、該ベベルギアと噛み合う第２のベベル
ギア９ｂを有し、可動体１０の軸受部を貫通して
突出された螺杆１１の一端に上記第２のベベルギ
ア９ｂが嵌着されている。 Further, a first bevel gear 9a is fitted in the center of the shaft 5a, and a second bevel gear 9b that meshes with the bevel gear is provided. Two bevel gears 9b are fitted.
可動体１０には螺杆１１が橋絡され、ヒンジ点
１０ａを中心に反時計方向に可動自在と成され、
上記可動体１０を上動させるスプリング１２に抗
して点１０ｂに結合したソレノイド１６を付勢す
ることで、可動体１０、螺杆１１及び第２のベベ
ルギヤ９ｂが一体に軸５ａに嵌着した第１のベベ
ルギヤ９ａより離脱する様に成される。 A screw rod 11 is bridged to the movable body 10, and the movable body 10 is movable in a counterclockwise direction around a hinge point 10a.
By energizing the solenoid 16 coupled to the point 10b against the spring 12 that moves the movable body 10 upward, the movable body 10, the screw rod 11 and the second bevel gear 9b are integrally connected to the shaft 5a. It is made to separate from the bevel gear 9a of No. 1.
ソレノイド１６は制御回路１８でコントロール
されるは勿論である。 Of course, the solenoid 16 is controlled by a control circuit 18.
更に上記螺杆１１の上半周部分と螺合する信号
検出保持体１３が第４図に示す如く配設される。 Further, a signal detection holder 13 is provided as shown in FIG. 4, which is screwed into the upper half of the screw rod 11.
該信号検出保持体１３の下端はアーチ状と成さ
れ、この部分は螺杆１１と螺合する母螺１３ａが
設けられている。よつてソレノイド１６を付勢す
ることにより、可動体１０はヒンジ点１０ａを中
心に下方に回動してガイド棒１４（このガイド棒
の保持方法は図示されていないが適当な方法でシ
ヤーシに保持されている。）に摺動自在と成され
た保持体１３がガイド棒１４に垂下された状態と
成り、スプリング１５の作用によつてヘツド２０
及びヘツド保持体１３は担体１の内周方向に急速
に引つ張られて担体の内周所定位置で停止する。
２１はヘツド保持体１３が担体の最外周位置に来
たことを検出するための検出スイツチであり、該
検出スイツチの出力は制御回路１８に導かれてい
る。 The lower end of the signal detection holder 13 is formed into an arch shape, and this portion is provided with a master screw 13a that is screwed into the screw rod 11. Therefore, by energizing the solenoid 16, the movable body 10 rotates downward about the hinge point 10a, and the guide rod 14 (the method for holding this guide rod is not shown, but is held in the chassis by an appropriate method). The holder 13, which is slidable at the position shown in FIG.
The head holder 13 is rapidly pulled toward the inner circumference of the carrier 1 and stops at a predetermined position on the inner circumference of the carrier.
Reference numeral 21 denotes a detection switch for detecting that the head holder 13 has reached the outermost position of the carrier, and the output of this detection switch is led to the control circuit 18.
上記構成に於て、担体１と螺杆１１は駆動モー
タ８を回転させることにより同期駆動し、ヘツド
２０は設定したピツチ分だけ移動し担体の最内周
位置より再生又は記録等が行なわれるとすると担
体の最外周位置までの走査が完了すると保持体１
３が検出スイツチ２１に対接し、その検知信号を
ソレノイド１６に制御回路１８を通して付勢する
と、可動体１０は反時計方向にスプリング１２の
偏倚力に抗して回動し第１のベベルギヤ９ａより
第２のベベルギヤ９ｂが離脱し、信号検出体２０
は保持体１３と共にスプリング１５により担体の
内周位置に引き戻される。 In the above configuration, the carrier 1 and the screw rod 11 are driven synchronously by rotating the drive motor 8, and the head 20 is moved by a set pitch to perform reproduction or recording from the innermost position of the carrier. When the scanning to the outermost position of the carrier is completed, the holder 1
3 comes into contact with the detection switch 21, and when the detection signal is applied to the solenoid 16 through the control circuit 18, the movable body 10 rotates counterclockwise against the biasing force of the spring 12, and the first bevel gear 9a The second bevel gear 9b is disengaged, and the signal detector 20
is pulled back together with the holder 13 to the inner peripheral position of the carrier by the spring 15.
次に再生又は記録を行なう時は担体の第１図及
び第２図に示した基準信号を記録した同心円位置
２でターンテーブル５を１回転させて基準信号を
検出して該検出々力によりソレノイド１６の吸引
を解除することでスプリング１２の押圧力によ
り、可動体１０は時計方向に回動して第１及び第
２のベベルギヤは噛み合つて次の記録又は再生が
成される。 Next, when reproducing or recording, the turntable 5 is rotated once at the concentric circle position 2 where the reference signal shown in FIGS. 16, the movable body 10 is rotated clockwise by the pressing force of the spring 12, and the first and second bevel gears are engaged to perform the next recording or reproduction.
本考案は上述の如く構成させたので基準信号検
出手段を別に設ける必要がなく、磁気ヘツド等の
信号検出手段のみでよく、スタート位置は最内周
又は最外周位置で１回転させることで基準信号を
極めて容易に検出し得て、その実用的効果は極め
て大きい。 Since the present invention is constructed as described above, there is no need to separately provide a reference signal detection means, and only a signal detection means such as a magnetic head is required. can be detected extremely easily, and its practical effects are extremely large.
第１図は本考案の担体の平面図、第２図は本考
案の他の実施例を示す担体の平面図、第３図は本
考案の駆動装置の略線的側面図、第４図は第２図
の検出信号部分の正面図である。
１は担体、２は同心円トラツク、３は渦巻トラ
ツク、４は基準信号、５はターンテーブル、５
ａ，５ｂは磁気ヘツド位置、５ｃは軸、７はフラ
イホイールプーリ、８は駆動モータ、２０は磁気
ヘツド、２１は検出スイツチである。
FIG. 1 is a plan view of the carrier of the present invention, FIG. 2 is a plan view of a carrier showing another embodiment of the present invention, FIG. 3 is a schematic side view of the drive device of the present invention, and FIG. 4 is a plan view of the carrier of the present invention. FIG. 3 is a front view of the detection signal portion of FIG. 2; 1 is a carrier, 2 is a concentric track, 3 is a spiral track, 4 is a reference signal, 5 is a turntable, 5
5c is a shaft, 7 is a flywheel pulley, 8 is a drive motor, 20 is a magnetic head, and 21 is a detection switch.
Claims (1)
共に該同心円トラツクの一部から外周又は内周に
向つて渦巻状トラツクを有し、上記同心円トラツ
クと渦巻状トラツクの交点位置近傍に基準信号を
記録してなる担体を載置して回動するターンテー
ブルと、該ターンテーブルを駆動するターンテー
ブル駆動手段と、上記担体の幅方向にトラツクに
沿つて移動する信号検出手段と、該信号検出手段
を駆動する可動体とを具備し、上記ターンテーブ
ルと上記ターンテーブル駆動手段間の軸に離脱自
在に結合された上記可動体は結合を解除するため
のソレノイド等からなる付勢手段を有し、上記信
号検出手段は上記可動体に離脱自在となされ、上
記担体の渦巻状トラツク走査終了を検出して上記
付勢手段を付勢して上記ターンテーブル駆動手段
と上記可動体の結合を解除して上記信号検出手段
をスタート位置に急速に引き戻し上記担体の同心
円トラツク上を上記信号検出手段が走査すること
で上記基準信号の検出と同時に上記付勢手段の付
勢を解除させるようにしてなることを特徴とする
磁気担体の記録又は再生装置。 A concentric track is provided on the inner or outer circumference, and a spiral track is provided from a part of the concentric track toward the outer or inner circumference, and a reference signal is recorded near the intersection of the concentric track and the spiral track. a turntable on which a carrier is mounted and rotates; a turntable driving means for driving the turntable; a signal detection means for moving along a track in the width direction of the carrier; and a signal detection means for driving the signal detection means. The movable body is removably coupled to a shaft between the turntable and the turntable driving means, and the movable body has a biasing means such as a solenoid for releasing the coupling, and the movable body is configured to detect the signal. The means is removable from the movable body, detects the end of the spiral track scanning of the carrier, energizes the biasing means, releases the coupling between the turntable drive means and the movable body, and detects the signal. The device is characterized in that the signal detecting device scans the concentric tracks of the carrier by quickly returning the device to the starting position, thereby releasing the biasing of the biasing device simultaneously with the detection of the reference signal. Recording or reproducing device for magnetic carriers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1979053394U JPS6131421Y2 (en) | 1979-04-23 | 1979-04-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1979053394U JPS6131421Y2 (en) | 1979-04-23 | 1979-04-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS55153671U JPS55153671U (en) | 1980-11-06 |
| JPS6131421Y2 true JPS6131421Y2 (en) | 1986-09-12 |
Family
ID=28946275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1979053394U Expired JPS6131421Y2 (en) | 1979-04-23 | 1979-04-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6131421Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4942688A (en) * | 1972-06-29 | 1974-04-22 |
-
1979
- 1979-04-23 JP JP1979053394U patent/JPS6131421Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4942688A (en) * | 1972-06-29 | 1974-04-22 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS55153671U (en) | 1980-11-06 |
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