JPH07240034A - Disk player - Google Patents

Disk player

Info

Publication number
JPH07240034A
JPH07240034A JP27045294A JP27045294A JPH07240034A JP H07240034 A JPH07240034 A JP H07240034A JP 27045294 A JP27045294 A JP 27045294A JP 27045294 A JP27045294 A JP 27045294A JP H07240034 A JPH07240034 A JP H07240034A
Authority
JP
Japan
Prior art keywords
pickup
disc
turntable
motor
disks
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
JP27045294A
Other languages
Japanese (ja)
Other versions
JP2685000B2 (en
Inventor
Tadashi Tachibana
正 橘
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.)
Funai Electric Co Ltd
Original Assignee
Funai Electric Co Ltd
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 Funai Electric Co Ltd filed Critical Funai Electric Co Ltd
Priority to JP27045294A priority Critical patent/JP2685000B2/en
Publication of JPH07240034A publication Critical patent/JPH07240034A/en
Application granted granted Critical
Publication of JP2685000B2 publication Critical patent/JP2685000B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Optical Recording Or Reproduction (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)

Abstract

PURPOSE:To return a pickup to reproduction start position/attitude at the time of stopping disk reproduction. CONSTITUTION:By facing the pickup 8 to disks 23, 25, 27 on a turntable 7, information on the disks 23, 25, 27 are reproduced. In this player, the pickup 8 is moved to the inner peripheral sides of the disks 23, 25, 27 in the state of continuing the angle adjustment operation of the pickup 8 while interlocking with the stoppage control of the disks 23, 25, 27.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明は音楽又は映像などをデジ
タル信号化して記録するディスクをターンテーブルに装
置し、ピックアップによりディスクに情報を記録又は再
生するディスクプレーヤに関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a disc player in which a disc for recording digitalized signals such as music or images is recorded on a turntable, and information is recorded on or reproduced from the disc by a pickup.

【0002】[0002]

【従来の技術】従来、直径が30cmのレザーディスク
又は直径が12cmのコンパクトディスクなどをトレー
に載せてターンテーブル位置に出入させると共に、ター
ンテーブル上のディスクの情報をピックアップによって
再生する技術があった。
2. Description of the Related Art Conventionally, there is a technique in which a laser disc having a diameter of 30 cm or a compact disc having a diameter of 12 cm is placed on a tray to be moved in and out of a turntable position, and information of the disc on the turntable is reproduced by a pickup. .

【0003】[0003]

【発明が解決しようとする課題】前記従来技術は、ピッ
クアップの取付け角度を調節してディスクの歪変形を補
正していたが、再生終了時などディスクを停止させる
と、ピックアップも角度調節が行われた状態で支持され
るから、変形量が大きくなるディスク外周部にピックア
ップが位置しているときに停止した場合、ピックアップ
が大きく傾いた状態で支持され、次のディスクを再生す
るとき、ピックアップがディスク内周側に移動すると、
ピックアップが他の部品に接触し易く、またピックアッ
プの焦点が合わずに誤検出する等の不具合があった。
In the prior art described above, the mounting angle of the pickup is adjusted to correct the distortion and deformation of the disc. However, when the disc is stopped at the end of playback, the angle of the pickup is also adjusted. When the pickup is stopped while it is positioned on the outer circumference of the disc, the amount of deformation is large. Moving to the inner circumference,
There are problems that the pickup is likely to come into contact with other parts, and that the pickup is out of focus and is erroneously detected.

【0004】[0004]

【課題を解決するための手段】然るに、本発明は、ター
ンテーブル上のディスクにピックアップを対向させてデ
ィスクの情報を再生するディスクプレーヤにおいて、デ
ィスクの停止制御と連動してピックアップの角度調節動
作を継続させた状態でピックアップをディスクの内周側
に移動させるように構成したことを特徴とするものであ
る。
SUMMARY OF THE INVENTION Therefore, the present invention, in a disc player for reproducing information of a disc by making a pickup face a disc on a turntable, performs an angle adjusting operation of the pickup in conjunction with stop control of the disc. It is characterized in that the pickup is configured to be moved to the inner peripheral side of the disc in the state of being continued.

【0005】[0005]

【作 用】従って、変形量の少ないディスクの内周側に
ピックアップを移動させて略水平に支持した状態で停止
させるから、従来不具合を解消して安定したピックアッ
プ動作を得られると共に、従来と同様の製造コスト及び
取扱い性を保ち乍ら従来に比べて安全性並びにディスク
再生機能などを容易に向上させ得るものである。
[Operation] Therefore, since the pickup is moved to the inner peripheral side of the disc with a small amount of deformation and stopped in a state of being supported substantially horizontally, it is possible to eliminate the conventional problems and obtain a stable pickup operation. It is possible to easily improve the safety and the disc reproducing function as compared with the conventional one, while maintaining the manufacturing cost and the handling property.

【0006】[0006]

【実施例】以下、本発明の実施例を図面に基づいて詳述
する。図1は要部の制御回路図、図2はディスクプレー
ヤの外観を示す平面図、図3は内部構造を示す平面図、
図4は同側面図、図5は断面説明図であり、ディスクプ
レーヤキャビネットである箱形の本機ケース(1)内部
にメインシャーシ(2)を固設させると共に、図5の如
く、そのメインシャーシ(2)中央部にモータ取付シャ
ーシ(3)を配設し、この取付シャーシ(3)下面側に
モータホルダ(4)を介してターンテーブルモータ
(5)を固定させ、該モータ(5)の出力軸(6)を取
付シャーシ(3)上面側に突出させて上端にターンテー
ブル(7)を設けている。
Embodiments of the present invention will now be described in detail with reference to the drawings. 1 is a control circuit diagram of a main part, FIG. 2 is a plan view showing an outer appearance of a disc player, FIG. 3 is a plan view showing an internal structure,
FIG. 4 is a side view of the same, and FIG. 5 is a cross-sectional explanatory view. The main chassis (2) is fixed inside the box-shaped case (1) which is a disc player cabinet, and the main chassis (2) is fixed as shown in FIG. A motor mounting chassis (3) is arranged in the center of the chassis (2), and a turntable motor (5) is fixed to the lower surface side of the mounting chassis (3) via a motor holder (4), and the motor (5) is fixed. The output shaft (6) is projected to the upper surface side of the mounting chassis (3) and the turntable (7) is provided at the upper end.

【0007】さらに、図3の如く、レザーピックアップ
(8)を取付ける受台(9)を柱状レール(10)を介
してピックアップ取付シャーシ(11)に設けると共
に、該シャーシ(11)に支点軸(12)を設け、前記
モータ取付シャーシ(3)に設けた軸受(13)にその
支点軸(12)を支持させる。また、ピックアップ
(8)を角度調節するチルトモータ(14)と、ウォー
ム(15)及びウォームホィール(16)を介して前記
モータ(14)に連結させるネジ軸(17)とを、取付
フレーム(18)を介してメインシャーシ(2)に設け
ると共に、ナット体(19a)及びヒンジアーム(19
b)からなるヒンジ機構(19)を介して前記ネジ軸
(17)をピックアップ取付シャーシ(11)後端に連
結させ、チルトモータ(14)制御により支点軸(1
2)を中心にピックアップ取付シャーシ(11)を上下
に揺動させ、ピックアップ(8)の取付け角度を調節し
てディスクの歪を補正するように構成している。
Further, as shown in FIG. 3, a pedestal (9) for mounting the leather pickup (8) is provided on the pickup mounting chassis (11) via a columnar rail (10), and a fulcrum shaft () is attached to the chassis (11). 12) is provided, and the fulcrum shaft (12) is supported by the bearing (13) provided on the motor mounting chassis (3). Also, a tilt motor (14) for adjusting the angle of the pickup (8) and a screw shaft (17) for connecting to the motor (14) via a worm (15) and a worm wheel (16) are attached to a mounting frame (18). ) Is provided to the main chassis (2) via the nut body (19a) and the hinge arm (19).
The screw shaft (17) is connected to the rear end of the pickup mounting chassis (11) through a hinge mechanism (19) composed of b), and the fulcrum shaft (1) is controlled by controlling the tilt motor (14).
The pickup mounting chassis (11) is swung up and down around 2) to adjust the mounting angle of the pickup (8) to correct the distortion of the disc.

【0008】さらに、前記受台(9)にピックアップ移
動ラックギヤ(20)を固設させると共に、前記ピック
アップ取付シャーシ(11)にピックアップモータ(2
1)を取付け、ドライブギヤ(22)を介して前記ラッ
クギヤ(20)とモータ(21)を連結させ、該モータ
(21)の正逆転制御によりレール(10)に沿ってピ
ックアップ(8)を往復摺動させるように構成してい
る。
Further, a pickup moving rack gear (20) is fixedly mounted on the pedestal (9), and a pickup motor (2) is attached to the pickup mounting chassis (11).
1) is attached, the rack gear (20) and the motor (21) are connected via a drive gear (22), and the pickup (8) is reciprocated along the rail (10) by forward / reverse control of the motor (21). It is configured to slide.

【0009】さらに、図2の如く、直径が30cmのレ
ザーディスク(23)を載せるディスク載せ面(24)
と、直径が20cmの小径レザーディスク(25)を載
せるディスク載せ面(26)と、直径が12cmのコン
パクトディスク(27)を載せるディスク載せ面(2
8)とを、同一軸芯上に多段的に形成するトレー(2
9)を備えると共に、図3の如く、ガイドピン(30)
及びガイド溝(31)を介してメインシャーシ(2)に
左右スライド板(32a)(32b)を前後に摺動自在
に支持させる。そして、図5の如く、ガイドアーム(3
3)とガイドローラ(34)をトレー(29)の案内溝
(29a)(29b)に係入させ、前記トレー(29)
をスライド板(32a)(32b)上側に摺動自在に支
持させている。
Further, as shown in FIG. 2, a disc mounting surface (24) on which a leather disc (23) having a diameter of 30 cm is mounted.
, A disk mounting surface (26) on which a small diameter leather disk (25) having a diameter of 20 cm is mounted, and a disk mounting surface (2) on which a compact disk (27) having a diameter of 12 cm is mounted.
And (8) and the tray (2
9) and the guide pin (30) as shown in FIG.
The left and right slide plates (32a) and (32b) are slidably supported by the main chassis (2) through the guide groove (31). Then, as shown in FIG. 5, the guide arm (3
3) and the guide roller (34) are engaged in the guide grooves (29a) (29b) of the tray (29), and the tray (29) is inserted.
Is slidably supported above the slide plates (32a) (32b).

【0010】また、前記メインシャーシ(2)上面側に
チャック板取付シャーシ(35)を懸架させ、この取付
シャーシ(35)中央部下面側にホルダ(36)を介し
てチャック板(37)を遊嵌支持させ、前記ターンテー
ブル(7)の略直上にチャック板(37)を配設させ、
モータ取付けシャーシ(3)を上昇させたとき、ターン
テーブル(7)上面側をチャック板(37)に圧接さ
せ、トレー(29)に載せる各ディスク(23)(2
5)(27)をターンテーブル(7)に固定支持させる
ように構成している。
A chuck plate mounting chassis (35) is suspended on the upper surface side of the main chassis (2), and a chuck plate (37) is mounted on the lower surface side of the central portion of the mounting chassis (35) via a holder (36). Fit and support, and dispose a chuck plate (37) substantially directly above the turntable (7),
When the motor mounting chassis (3) is lifted, the upper surface of the turntable (7) is pressed against the chuck plate (37) and each disc (23) (2) mounted on the tray (29).
5) (27) is fixedly supported on the turntable (7).

【0011】さらに、トレー(29)出入用のローディ
ングモータ(38)をメインシャーシ(2)下面側に固
設させ、前記ガイドアーム(33)及びガイドローラ
(34)と、スライド板(32a)(32b)に形成す
るガイド体(39)(39)とで支持するトレー(2
9)を、前記モータ(38)の正逆転によって出入摺動
させると共に、ターンテーブル(7)を昇降させてディ
スク(23)(25)(27)のチャッキング動作を行
わせるように構成している。
Further, a loading motor (38) for loading and unloading the tray (29) is fixed to the lower surface of the main chassis (2), and the guide arm (33) and the guide roller (34), the slide plate (32a) ( The tray (2) which is supported by the guide bodies (39) (39) formed in 32b)
9) is configured to slide in and out by the forward and reverse rotations of the motor (38), and the turntable (7) is moved up and down to chuck the disks (23) (25) (27). There is.

【0012】また、図3の如く、メインシャーシ(2)
上面に支軸(40)を介して揺動アーム(41)中間を
軸支させると共に、該アーム(41)両端にピン(4
2)(42)を介して左右スライド板(32a)(32
b)を連結させると共に、ピックアップ取付シャーシ
(11)をヒンジ機構(19)を支点にして昇降自在に
取付け、ディスク(23)(25)(27)を載せるタ
ーンテーブル(7)の上昇と連動してピックアップ取付
シャーシ(11)を上昇させてピックアップ(8)をセ
ット位置に移行させるように構成している。
Further, as shown in FIG. 3, the main chassis (2)
The swing arm (41) is pivotally supported on the upper surface via a support shaft (40), and pins (4) are attached to both ends of the arm (41).
2) Left and right slide plates (32a) (32) via (42)
b) is connected, and the pickup mounting chassis (11) is mounted so that it can be moved up and down with the hinge mechanism (19) as a fulcrum, and is interlocked with the rise of the turntable (7) on which the disks (23), (25) and (27) are placed. The pickup mounting chassis (11) is raised to move the pickup (8) to the set position.

【0013】さらに、図1に示す如く、前記ピックアッ
プ(8)と、ディスク(23)(25)(27)再生動
作を停止操作する停止スイッチ(43)と、ターンテー
ブル(7)軸芯にピックアップ(8)を最も接近させた
ことを検出するリミットスイッチ(44)とを、マイク
ロコンピュータで形成するディスク制御回路(45)に
入力接続させると共に、ターンテーブルモータ(5)、
チルトモータ(14)及びピックアップモータ(21)
をディスク制御回路(45)に出力接続させるもので、
ターンテーブル(7)上に支持して回転させるディスク
(23)(25)(27)下面に下方側からピックアッ
プ(8)を対向させ、ターンテーブル(7)軸芯を中心
とする放射線方向にピックアップ(8)を往復摺動させ
てディスク(23)(25)(27)の情報を再生する
と共に、停止スイッチ(43)を操作してディスク(2
3)(25)(27)の回転を停止させて取出すとき、
ディスク(23)(25)(27)の停止制御と連動し
て、ピックアップ(8)の角度調節動作を継続させた状
態で、ピックアップ(8)をディスク(23)(25)
(27)の内周側に移動させて位置させるように構成し
ている。
Further, as shown in FIG. 1, the pickup (8), the stop switch (43) for stopping the reproducing operation of the discs (23), (25) and (27), and the pickup on the axis of the turntable (7). A limit switch (44) for detecting the closest position of (8) is input-connected to a disk control circuit (45) formed by a microcomputer, and a turntable motor (5),
Tilt motor (14) and pickup motor (21)
Output connection to the disk control circuit (45),
A pickup (8) is made to face the lower surface of a disk (23) (25) (27) which is supported and rotated on a turntable (7) from the lower side, and is picked up in a radiation direction centered on an axis of the turntable (7). (8) is slid back and forth to reproduce the information on the disks (23), (25) and (27), and the stop switch (43) is operated to operate the disk (2).
3) When the rotation of (25) and (27) is stopped and taken out,
The pickup (8) is moved to the disc (23) (25) while the angle adjusting operation of the pickup (8) is continued in conjunction with the stop control of the discs (23) (25) (27).
It is constructed so as to be moved to the inner peripheral side of (27) and positioned.

【0014】本実施例は上記の如く構成しており、図2
の如くトレー(29)を引出した状態で各ディスク(2
3)(25)(27)のいずれかをトレー(29)に載
せ、ローディングモータ(38)を作動させてトレー
(29)を進入させると共に、前記トレー(29)の進
入が完了したとき、スライド板(32a)(32b)を
摺動させてモータ取付シャーシ(3)を上昇作動させ、
ターンテーブル(7)を上昇させ、トレー(29)上面
のディスク(23)(25)(27)をターンテーブル
(7)とチャック板(37)により挾持するもので、こ
のチャッキング動作後にディスク(23)(25)(2
7)を回転させ乍らピックアップ(8)を摺動させ、デ
ィスク(23)(25)(27)の情報を読取って再生
する。
This embodiment is constructed as described above, and is shown in FIG.
When the tray (29) is pulled out as shown in
3) Any one of (25) and (27) is placed on the tray (29), the loading motor (38) is operated to allow the tray (29) to enter, and when the entrance of the tray (29) is completed, a slide is performed. Sliding the plates (32a) (32b) to raise the motor mounting chassis (3),
The turntable (7) is lifted, and the discs (23), (25) and (27) on the upper surface of the tray (29) are held by the turntable (7) and the chuck plate (37). 23) (25) (2
The pickup (8) is slid while rotating (7) to read and reproduce information on the disks (23), (25) and (27).

【0015】また、ディスク(23)(25)(27)
の再生が終了したとき、図6及び図7に示す如く、停止
スイッチ(43)のオン操作によってターンテーブルモ
ータ(5)がオフになり、チルトモータ(14)をオン
にしてピックアップ(8)の取付け角度を調節するチル
ト動作を開始させると共に、ピックアップモータ(2
1)をオンにしてピックアップ(8)をディスク(2
3)(25)(27)の最内周側位置に移動させ、リミ
ットスイッチ(44)がオンになったときにチルトモー
タ(14)及びピックアップモータ(21)を停止させ
るもので、ターンテーブルモータ(5)がオフになって
ディスク(23)(25)(27)が楕性回転している
とき、チルトモータ(14)及びピックアップモータ
(21)を作動させ、ディスク(23)(25)(2
7)の歪変形を補正するピックアップの角度調節動作を
継続させた状態で、歪変形が少ないディスク(23)
(25)(27)の最内周位置にピックアップ(8)を
移動させ、ピックアップ(8)を略水平位置に支持させ
る。
Further, the disks (23) (25) (27)
6 and 7, when the stop switch (43) is turned on, the turntable motor (5) is turned off, the tilt motor (14) is turned on, and the pickup (8) is turned on. The tilting motion to adjust the mounting angle is started and the pickup motor (2
Turn on (1) and pick up pickup (8) to disc (2
3) Moves to the innermost position of (25) and (27) and stops the tilt motor (14) and the pickup motor (21) when the limit switch (44) is turned on. When (5) is turned off and the discs (23), (25) and (27) are rotating in an elliptical manner, the tilt motor (14) and the pickup motor (21) are operated, and the discs (23) (25) ( Two
Disc (23) with little distortion and deformation in a state where the angle adjusting operation of the pickup for correcting the distortion and deformation of 7) is continued.
(25) The pickup (8) is moved to the innermost position of (27), and the pickup (8) is supported at a substantially horizontal position.

【0016】上記のように、ディスク制御回路(45)
のソフトウェアを図7のフローチャートのように形成す
ることにより、ピックアップ(8)を常に略水平に支持
させた状態でディスク(23)(25)(27)を停止
させるから、製造コストを上げることがないと共に、デ
ィスク(23)(25)(27)の楕性回転中にピック
アップ(8)を内周側に移動させて水平支持するから、
ディスク(23)(25)(27)の停止操作から取出
しまでに必要な時間(イジェクト時間)を延長させるこ
となく、ピックアップ(8)の水平制御が行えるもので
ある。
As described above, the disk control circuit (45)
By forming the software of FIG. 7 as shown in the flowchart of FIG. 7, the disks (23), (25) and (27) are stopped while the pickup (8) is always supported substantially horizontally, so that the manufacturing cost can be increased. At the same time, since the pickup (8) is moved to the inner peripheral side and horizontally supported during elliptic rotation of the disks (23), (25) and (27),
The horizontal control of the pickup (8) can be performed without extending the time (ejection time) required from the stop operation of the discs (23) (25) (27) to the removal.

【0017】[0017]

【発明の効果】以上実施例から明らかなように本発明
は、ターンテーブル(7)上のディスク(23)(2
5)(27)にピックアップ(8)を対向させてディス
ク(23)(25)(27)の情報を再生するディスク
プレーヤにおいて、ディスク(23)(25)(27)
の停止制御と連動してピックアップ(8)の角度調節動
作を継続させた状態でピックアップ(8)をディスク
(23)(25)(27)の内周側に移動させるように
構成したもので、変形量の少ないディスク(23)(2
5)(27)の内周側にピックアップ(8)を移動させ
て略水平に支持した状態で停止させるから、従来不具合
を解消して安定したピックアップ(8)動作を得ること
ができると共に、従来と同様の製造コスト及び取扱い性
を保ち乍ら従来に比べて安全性並びにディスク(23)
(25)(27)再生機能などを容易に向上させること
ができるものである。
As is apparent from the above-described embodiments, the present invention provides the disks (23) (2) on the turntable (7).
5) In the disc player for reproducing the information of the discs (23), (25) and (27) with the pickup (8) facing the (27), the discs (23) (25) (27)
It is configured to move the pickup (8) to the inner peripheral side of the discs (23), (25) and (27) while continuing the angle adjusting operation of the pickup (8) in conjunction with the stop control of Disc with little deformation (23) (2
5) Since the pickup (8) is moved to the inner peripheral side of (27) and stopped in a state of being supported substantially horizontally, it is possible to solve the conventional problems and obtain a stable pickup (8) operation, and The manufacturing cost and handleability are the same as those of the above, and safety and disk (23) compared to conventional ones.
(25) (27) The reproducing function and the like can be easily improved.

【図面の簡単な説明】[Brief description of drawings]

【図1】本発明の一実施例を示す要部の制御回路図。FIG. 1 is a control circuit diagram of a main part showing an embodiment of the present invention.

【図2】ディスクプレーヤの外観を示す平面図。FIG. 2 is a plan view showing the appearance of a disc player.

【図3】内部構造を示す平面図。FIG. 3 is a plan view showing an internal structure.

【図4】同側面図。FIG. 4 is a side view of the same.

【図5】断面説明図。FIG. 5 is a sectional explanatory view.

【図6】出力線図。FIG. 6 is an output diagram.

【図7】フローチャート。FIG. 7 is a flowchart.

【符号の説明】[Explanation of symbols]

(7) ターンテーブル (8) ピックアップ (23)(25)(27) ディスク (7) Turntable (8) Pickup (23) (25) (27) Disc

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】 ターンテーブル上のディスクにピックア
ップを対向させてディスクの情報を再生するディスクプ
レーヤにおいて、ディスクの停止制御と連動してピック
アップの角度調節動作を継続させた状態でピックアップ
をディスクの内周側に移動させるように構成したことを
特徴とするデイスクプレーヤ。
1. In a disc player for reproducing information of a disc by making the pickup face a disc on a turntable, the pickup is moved to the inside of the disc while the angle adjustment operation of the pickup is continued in association with stop control of the disc. A disk player characterized in that it is configured to move to the circumferential side.
JP27045294A 1994-10-07 1994-10-07 Disc player Expired - Fee Related JP2685000B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP27045294A JP2685000B2 (en) 1994-10-07 1994-10-07 Disc player

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP27045294A JP2685000B2 (en) 1994-10-07 1994-10-07 Disc player

Publications (2)

Publication Number Publication Date
JPH07240034A true JPH07240034A (en) 1995-09-12
JP2685000B2 JP2685000B2 (en) 1997-12-03

Family

ID=17486490

Family Applications (1)

Application Number Title Priority Date Filing Date
JP27045294A Expired - Fee Related JP2685000B2 (en) 1994-10-07 1994-10-07 Disc player

Country Status (1)

Country Link
JP (1) JP2685000B2 (en)

Also Published As

Publication number Publication date
JP2685000B2 (en) 1997-12-03

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