JPH01154341A - Reproducing direction switching device for two-way tape recorder - Google Patents
Reproducing direction switching device for two-way tape recorderInfo
- Publication number
- JPH01154341A JPH01154341A JP62313468A JP31346887A JPH01154341A JP H01154341 A JPH01154341 A JP H01154341A JP 62313468 A JP62313468 A JP 62313468A JP 31346887 A JP31346887 A JP 31346887A JP H01154341 A JPH01154341 A JP H01154341A
- Authority
- JP
- Japan
- Prior art keywords
- switching
- gear
- rotational
- drive gear
- displaced
- 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
Links
- 230000008929 regeneration Effects 0.000 claims description 21
- 238000011069 regeneration method Methods 0.000 claims description 21
- 238000006073 displacement reaction Methods 0.000 claims description 19
- 230000000694 effects Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 1
Landscapes
- Recording Or Reproducing By Magnetic Means (AREA)
Abstract
Description
【発明の詳細な説明】
(イ)産業上の利用分野
本発明は、第1方向への再生機能及び該第1方向の反対
方向である第2方向への再生機能を有する往復型テープ
レコーダーに関し、特に再生方向の切換装置に係る。Detailed Description of the Invention (a) Industrial Application Field The present invention relates to a reciprocating tape recorder having a playback function in a first direction and a playback function in a second direction opposite to the first direction. , particularly regarding a playback direction switching device.
(ロ)従来の技術
ヘッドフオンによって磁気テープの再生音を聴取するヘ
ッドフオンステレオと呼ばれる音響装置が普及している
が、斯かる音響装置に組込まれているテープレコーダー
は、長時間の再生動作が行なわれるように第1方向への
再生機能だけでなく、該第1方向の反対方向である第2
方向への再生機能を有する往復型のテープレコーダーが
一般的である。斯かる往復型テープレコーダーにおける
再生方向の切換装置としては、手動による操作力を利用
するもの及びプランジャーの吸引力を利用するものがあ
るが、最近では特開昭60−127553号公報に開示
されているように電動機の回転力を利用して再生方向を
切換えるようにしたものが一般的である。(b) Conventional technology An audio device called a headphone stereo, which allows you to listen to the playback sound of a magnetic tape using a headphone, has become widespread, but the tape recorder built into such an audio device does not perform playback operations for long periods of time. In addition to the playback function in the first direction so that the
Reciprocating tape recorders with a directional playback function are common. Devices for switching the playback direction in such reciprocating tape recorders include devices that utilize manual operating force and devices that utilize the suction force of a plunger. It is common to use the rotational force of an electric motor to switch the playback direction, as shown in the figure below.
(ハ)発明が解決しようとする問題点
前述した公報には、電動機の回転力によって磁気テープ
の再生方向を切換えるようにした技術が記載されている
が、斯かる技術は再生方向の切換動作時駆動歯車に噛合
うと共にその回転駆動動作によって再生方向を切換える
べく設けられている切換歯車の該駆動歯車との噛合動作
を手動により変位せしめられる部材によって制御するよ
うにされているため構成が複雑になると共に操作性が悪
いという問題がある9本発明は、斯かる点を改良した再
生方向切換装置を提供しようとするものである。(c) Problems to be solved by the invention The above-mentioned publication describes a technique in which the direction of playback of a magnetic tape is switched by the rotational force of an electric motor. The structure is complicated because the meshing operation of the switching gear, which is provided to mesh with the driving gear and switch the playback direction by its rotational driving operation, is controlled by a member that can be manually displaced. However, the present invention aims to provide a playback direction switching device that improves the above-mentioned problems.
(ニ)問題点を解決するための手段
本発明の再生方向切換装置は、電動機の回転方向に対応
して回転駆動される駆動歯車と、該駆動歯車の回転中心
軸と同軸にて回動可能に取付けられている回動部材上に
回転可能に取付けられていると共に前記駆動歯車と常時
噛合った状態にあり、且つ前記駆動歯車より受ける回転
力によって前記回動部材を該駆動歯車の回転方向へ回動
付勢せしめる切換用歯車と、前記駆動歯車の逆転動作に
伴なう前記回動部材の変位動作により前記切換用歯車が
噛合うと共に該回動部材に回動変位力を与える切換用制
御歯と、前記回動部材の回動変位動作により第1方向へ
の再生動作を行なう第1位置から第2方向への再生動作
を行なう第2位置へ、また第2位置から第1位置へ変位
せしめられる切換部材と、該切換部材が第1位置にある
とき該切換部材を第1位置方向へ付勢すると共に前記回
動部材の回動変位動作により該切換部材が第1位置より
第2位置方向へ変位せしめられたとき該切換部材を第2
位置方向へ付勢変位せしめ、且つ該切換部材が前記回動
部材の回動変位動作により第2位置より第1位置方向へ
変位せしめられたとき該切換部材を第1位置方向へ付勢
変位せしめる付勢手段とより構成されている。(d) Means for Solving the Problems The regeneration direction switching device of the present invention includes a drive gear that is rotationally driven in accordance with the rotation direction of the electric motor, and is rotatable coaxially with the rotation center axis of the drive gear. The rotating member is rotatably mounted on a rotating member attached to the drive gear, and is always in mesh with the drive gear, and the rotational force received from the drive gear causes the rotating member to rotate in the rotational direction of the drive gear. a switching gear that applies a rotational force to the rotating member; and a switching gear that meshes with the switching gear and applies a rotational displacement force to the rotating member due to the displacement operation of the rotating member accompanying the reverse rotation of the driving gear. A control tooth and a rotational displacement operation of the rotating member from a first position where a regeneration operation is performed in a first direction to a second position where a regeneration operation is performed in a second direction, and from the second position to the first position. a switching member that is displaced; when the switching member is in a first position, the switching member is biased toward the first position; and the switching member is moved from the first position to a second position by a rotational displacement operation of the rotating member; When the switching member is displaced in the position direction, the switching member is moved to the second position.
urging the switching member toward the first position when the switching member is displaced from the second position toward the first position by the rotational displacement operation of the rotating member; and a biasing means.
(*)作用
本発明は、再生方向の切換動作を電動機の回転方向の切
換動作を利用することによって行なうようにしたもので
ある。(*) Effect: In the present invention, the switching operation of the reproduction direction is performed by utilizing the switching operation of the rotational direction of the electric motor.
(へ)実施例
図面は何れも本発明の再生方向切換装置に関し、第1図
は第1方向への再生状態を示す平面図、第2図及び第3
図は第1方向から第2方向への切換動作が行なわれてい
る途中の状態を示す平面図、第4図は第2方向への再生
状態を示す平面図、第5図は巻戻し操作が行なわれた状
態を示す平面図である。本発明に係るテープレコーダー
において、磁気テープを走行駆動せしめるべく設けられ
ている電動機の回転方向は再生方向に対応して切換えら
れるように、また巻戻し動作は電動機の回転方向を切換
えることによって行なわれるように構成されている。(
1〉は固定基板り2)に設けられている回転中心軸(3
)に回転可能に取付けられていると共に電動機の回転方
向に対応して回転駆動せしめられる駆動歯車であり、第
1方向への再生動作状態にあるとき反時計方向に回転せ
しめられ、第2方向への再生動作状態にあるとき時計方
向に回転せしめられるように構成されている。(4)は
前記回転中心軸(3)に回動可能に取付けられていると
共に切換用突起(5)が形成されている回動部材、り6
)は該回動部材(4)上に軸(7)によって回転可能に
取付けられていると共に前記駆動歯車(1)と常時噛合
った状態にある切換用歯車であり、前記駆動歯車(1)
より受ける回転力によって前記回動部材(4)を該駆動
歯車(1)の回転方向に回動付勢するように構成されて
いる。(8)は固定基板(2)に軸(9)(10)とガ
イド孔(11)(12)との協働によって矢印(A)及
び(B)方向への変位を可能に取付けられていると共に
スプリング(13)によって矢印(B)方向へ付勢され
ている摺動部材であり、巻戻し操作が行なわれると矢印
(A>方向へ摺動変位せしめられるように巻戻し用操作
部材(図示せず)と関係付けられている。(14)は固
定基板り2)に軸(15)(16)とガイド孔(17)
(1g)との協働によって矢印(C)及び(D)方向へ
の変位を可能に取付られていると共にスプリング(19
)によって矢印(D)方向へ付勢されている制御部材で
あり、矢印(D)方向へ変位した動作位置にあるとき前
記回動部材(4)が回動変位すると前記切換用歯車(6
)と噛合うと共に該回動部材(4)に回動変位力を与え
る切換用制御歯(20)が形成されている。(21)は
前記制御部材(14)−Lに設けられている制御ピンで
あり、前記摺動部材(8)が巻戻し操作に伴なって矢印
(A)方向へ変位すると該摺動部材(8)に形成されて
いる傾斜部(22)によって押圧され該制御部材(14
)を矢印(C)方向である非動作位置即ち切換用制御歯
(20)が切換用歯車(6)と噛合わない位置に変位せ
しめる作用を有している。(23)は固定基板(2)に
軸(24)(25)とガイド孔<26>(27)との協
働によって矢印(A)及び(B)方向への変位を可能に
取付けられている切換部材であり、第1図に示した第1
位置にあるとき磁気ヘッド等を第1方向への再生動作を
行なう状態にすると共に第4図に示した第2位置にある
とき磁気ヘッド等を第2方向への再生動作を行なう状態
にする作用を有している。(28)は一端が前記固定基
板(2)に取付けられていると共に他端が前記切換部材
(23)に取付けられているオーバーセンターバネであ
り、該切換部材(23)が第1位置と第2位置との中間
点より第1位置方向にあるときには該切換部材(23)
を第1位置方向へ付勢すると共に該中間点より第2位置
方向にあるときには該切換部材(23)を第2位置方向
へ付勢する作用を有している。(29)及び(30)は
前記切換部材(23)に形成されている第1及び第2の
係合片であり、前記回動部材(4)の回動変位動作に伴
なって該回動部材(4)に形成されている切換用突起(
5)によって押圧されるように関係付けられている。以
上の如く本発明は構成されており、次に動作について説
明する。(f) The embodiment drawings all relate to the playback direction switching device of the present invention, and FIG. 1 is a plan view showing the playback state in the first direction, and FIGS.
The figure is a plan view showing a state in the middle of a switching operation from the first direction to the second direction, FIG. 4 is a plan view showing a state of playback in the second direction, and FIG. FIG. In the tape recorder according to the present invention, the rotational direction of the electric motor provided to drive the magnetic tape is switched in accordance with the playback direction, and the rewinding operation is performed by switching the rotational direction of the electric motor. It is configured as follows. (
1> is the rotation center shaft (3) provided on the fixed board 2).
) is rotatably attached to the motor and is driven to rotate in accordance with the rotational direction of the electric motor, and is rotated counterclockwise when in the regeneration operation state in the first direction, and is rotated in the second direction. It is configured so that it can be rotated clockwise when in the reproducing operation state. (4) is a rotating member rotatably attached to the rotation center shaft (3) and provided with a switching protrusion (5);
) is a switching gear rotatably mounted on the rotating member (4) by a shaft (7) and always in mesh with the drive gear (1);
The rotary member (4) is biased to rotate in the rotational direction of the drive gear (1) by the rotational force received from the drive gear (1). (8) is attached to the fixed substrate (2) so that it can be displaced in the directions of arrows (A) and (B) by cooperation of the shafts (9) and (10) and the guide holes (11 and 12). It is also a sliding member that is biased in the direction of arrow (B) by a spring (13), and when the rewinding operation is performed, the rewinding operation member (Fig. (14) is connected to the fixed board 2) with the shafts (15), (16) and the guide hole (17).
(1g) so that it can be displaced in the directions of arrows (C) and (D), and the spring (19
) is a control member biased in the direction of arrow (D), and when the rotary member (4) is rotated in the operating position displaced in the direction of arrow (D), the switching gear (6
) is formed with a switching control tooth (20) that meshes with the rotating member (4) and applies a rotational displacement force to the rotating member (4). (21) is a control pin provided on the control member (14)-L, and when the sliding member (8) is displaced in the direction of arrow (A) with the rewinding operation, the sliding member ( The control member (14) is pressed by the inclined portion (22) formed in the control member (14).
) to a non-operating position in the direction of arrow (C), that is, a position where the switching control tooth (20) does not mesh with the switching gear (6). (23) is attached to the fixed substrate (2) so that it can be displaced in the directions of arrows (A) and (B) by cooperation of shafts (24), (25) and guide holes <26> and (27). It is a switching member, and the first switch shown in FIG.
When in the position, the magnetic head etc. are brought into a state of performing a reproducing operation in the first direction, and when in the second position shown in FIG. 4, the magnetic head, etc. is brought into a state of performing a reproducing action in the second direction have. (28) is an over-center spring whose one end is attached to the fixed substrate (2) and the other end is attached to the switching member (23), and the switching member (23) is in the first position and in the switching member (23). When the switching member (23) is located in the direction of the first position from the midpoint between the second position and the second position, the switching member (23)
It has the function of urging the switching member (23) toward the first position and urging the switching member (23) toward the second position when it is in the second position from the intermediate point. (29) and (30) are first and second engagement pieces formed on the switching member (23), and the rotational movement of the rotational member (4) The switching protrusion (
5). The present invention is constructed as described above, and its operation will be explained next.
第1図に示した状態は、第1方向への再生状態を示すも
のであり、斯かる状態にあるとき駆動歯車り1)は反時
計方向に回転駆動せしめられた状態にあり、回動部材(
4〉は該駆動歯車(1)と切換用歯車(6)との協働に
よって反時計方向へ回動付勢せしめられた状態にある。The state shown in FIG. 1 shows the regeneration state in the first direction, and in this state, the drive gear 1) is in a state of being rotationally driven in the counterclockwise direction, and the rotating member (
4> is in a state where it is urged to rotate counterclockwise by the cooperation of the drive gear (1) and the switching gear (6).
そして、斯かる状態にあるとき前記切換部材(23)は
オーバーセンターバネ(28)の付勢力によって第1位
置に押圧保持された状態にあり、前記回動部材(4)は
切換用突起(5)の第1係合片(29)との当接によっ
て回動変位位置が規制された状態ににある。斯かる第1
方向への再生動作状態より第2方向への再生動作状態へ
の切換動作は、電動機の回転方向を逆転せしめることに
よって行なわれる。斯かる動作が行なわれるとリール軸
の駆動機構が切換えられると共に駆動歯車(1)が時計
方向へ回転駆動せしめられる。前記駆動歯車(1)が時
計方向に回転すると回動部材(4)は該駆動歯車(1)
と切換用歯車(6)との協働によって時計方向への回動
付勢力を受け、該回動部材〈4)は回転中心軸(3)を
中心として時計方向に回動変位せしめられる。前記回動
部材(4)が時計方向に回動変位すると該回動部材(4
〉上に回転可能に取付けられている切換用歯車(6〉が
第2図に示したように制御部材(14)に形成されてい
る切換用制御歯(20)に噛合うことになる。その結果
前記切換用歯車(6)と切換用制御歯(20)との噛合
動作によって前記回動部材(4)が時計方向に回動変位
せしめられ、第3図に示した状態になる。前記回動部材
(4)が第2図に示した位置より第3図に示した位置ま
で回動変位すると該回動部材(4)に形成きれている切
換用突起(5)が切換部材(23)に形成きれている第
2係合片(30)を押圧することになり、該切換部材(
23)は第2位置である矢印(A)方向へ変位せしめら
れる。前記切換部材(23)は第1位置と第2位置との
中間の位置と第1位置との間にあるときにはオーバーセ
ンターバネ(28)の付勢力によって第1位置方向への
付勢力を受ける状態にあるが切換用歯車(6〉と切換用
制御歯(20)との噛合いによって生じる回動部材(4
)の回動変位力が大きいため前記切換部材(23)は第
2図に示した位置より第3図に示した位置に変位せしめ
られる。そして、第3図に示した位置まで回動部材(4
)が変位すると切換用歯車(6)と切換用制御歯(20
)との噛合が解除されるが、このとき切換部材(23〉
は第1位置と第2位置の中間位置より第2位置方向へ変
位した状態にある。従ってオーバーセンターバネ(28
)による付勢力が前記切換部材(23)を第2位置であ
る矢印(A)方向へ押圧する状態になり、該切換部材(
23)は矢印(A)方向へ変位せしめられ第4図に示し
た状態になる。前記切換部材(23)が第4図に示した
第2位置まで変位すると磁気ヘッド等が第2方向への再
生動作を行なう状態に切換えられテープレコーダーは第
2方向への再生動作状態になる。斯かる第2方向への再
生状態にあるとき駆動歯車(1)は時計方向へ回転駆動
せしめられた状態にあり、回動部材(4)は該駆動歯車
(1)と切換用歯車(6)との協働によって時計方向へ
回動付勢せしめられた状態にある。そして、斯かる状態
にあるとき前記切換部材(23)はオーバーセンターバ
ネ(28)の付勢力によって第2位置に抑圧保持された
状態にあり、前記回動部材(4)は切換用突起(5)の
第2係合片(30)との当接によって回動変位位置が規
制された状態にある。以上の如く第1方向への再生動作
状態より第2方向への再生動作状態への切換動作は行な
われるが、第2方向から第1方向への切換動作は同様に
行なわれるためその説明は省略する。In this state, the switching member (23) is pressed and held in the first position by the biasing force of the over-center spring (28), and the rotating member (4) is pressed against the switching protrusion (5). ) is in a state where the rotational displacement position is regulated by contact with the first engagement piece (29). First such
The switching operation from the regeneration operation state in the direction to the regeneration operation state in the second direction is performed by reversing the rotational direction of the electric motor. When such an operation is performed, the drive mechanism of the reel shaft is switched and the drive gear (1) is rotated clockwise. When the drive gear (1) rotates clockwise, the rotating member (4) rotates around the drive gear (1).
Due to the cooperation of the switching gear (6) and the switching gear (6), the rotating member (4) receives a clockwise rotation biasing force and is caused to rotate clockwise about the rotation center axis (3). When the rotating member (4) is rotationally displaced clockwise, the rotating member (4)
> The switching gear (6) rotatably mounted on the control member (14) meshes with the switching control teeth (20) formed on the control member (14) as shown in FIG. As a result, the rotating member (4) is rotated clockwise due to the meshing action between the switching gear (6) and the switching control tooth (20), resulting in the state shown in FIG. 3. When the moving member (4) is rotated from the position shown in FIG. 2 to the position shown in FIG. This results in pressing the second engagement piece (30) that is completely formed in the switching member (
23) is displaced in the direction of arrow (A), which is the second position. When the switching member (23) is between the first position and an intermediate position between the first position and the second position, the switching member (23) is in a state where it receives a biasing force in the direction of the first position by the biasing force of the over-center spring (28). The rotating member (4) generated by the meshing of the switching gear (6> and the switching control tooth (20)) is shown in FIG.
) is large, so the switching member (23) is displaced from the position shown in FIG. 2 to the position shown in FIG. 3. Then, move the rotating member (4) to the position shown in Figure 3.
) is displaced, the switching gear (6) and the switching control tooth (20
) is released, but at this time the switching member (23>
is in a state displaced toward the second position from an intermediate position between the first position and the second position. Therefore, the over center spring (28
) becomes a state in which the switching member (23) is pressed in the direction of arrow (A), which is the second position, and the switching member (
23) is displaced in the direction of arrow (A) and becomes in the state shown in FIG. When the switching member (23) is moved to the second position shown in FIG. 4, the magnetic head etc. are switched to a state in which a reproduction operation is performed in the second direction, and the tape recorder is placed in a state in which a reproduction operation is performed in the second direction. When in the regeneration state in the second direction, the drive gear (1) is in a clockwise rotationally driven state, and the rotating member (4) is connected to the drive gear (1) and the switching gear (6). It is in a state where it is urged to rotate in the clockwise direction by cooperation with. In this state, the switching member (23) is held in the second position by the biasing force of the over-center spring (28), and the rotating member (4) is pressed against the switching protrusion (5). ) is in a state where the rotational displacement position is regulated by contact with the second engaging piece (30). As described above, the switching operation from the regeneration operation state in the first direction to the regeneration operation state in the second direction is performed, but since the switching operation from the second direction to the first direction is performed in the same manner, the explanation thereof will be omitted. do.
以上の如く再生方向の切換動作は行なわれるが、次に巻
戻し動作を行なった場合の動作について説明する。第1
方向への再生動作を行なう状態にあるときには各部材は
第1図に示した状態にある。斯かる状態において巻戻し
操作をするとリール軸の駆動機構が切換えられると共に
電動機の回転方向が切換えられテープレコーダーの巻戻
し力作状態が構成される。そして、巻戻し操作が行なわ
れると摺動部材(8〉がスプリング(13〉の付勢力に
抗して矢印(A>i向へ変位せしめられ、該摺動部材(
8)に形成されている傾斜部(22)が制御部材(14
)に設けられている制御ピン(21〉を押圧する。The reproduction direction switching operation is performed as described above, but the operation when rewinding is performed will now be described. 1st
When the reproducing operation in the direction is performed, each member is in the state shown in FIG. When rewinding is performed in such a state, the drive mechanism of the reel shaft is switched, and the rotational direction of the electric motor is also switched, so that the tape recorder is in a rewinding state. When the rewinding operation is performed, the sliding member (8) is displaced in the direction of the arrow (A>i) against the biasing force of the spring (13), and the sliding member (8) is displaced in the direction of the arrow (A>i).
The inclined portion (22) formed in the control member (14)
) Press the control pin (21>) provided on the
その結果、制御部材(14)はスプリング(19)の付
勢力に抗して非動作位置である矢印(C)方向へ変位せ
しめられ第5図に示した状態になる。斯かる状態におい
て電動機の逆転動作が行なわれると駆動歯車(1)が時
計方向へ回転駆動せしめられる。前記駆動歯車(1)が
時計方向に回転すると回動部材(4)は該駆動歯車(1
〉と切換用歯車(6)との協働によって時計方向への回
動付勢力を受け、該回動部材(4)は回転中心軸(3)
を中心として時計方向に回動変位せしめられる。そして
、この場合制御部材(14)が矢印(C)方向へ変位せ
しめられた状態にあるため回動部材(4)上に取付けら
れている切換用歯車(6)が該制御部材(14)に形成
されている切換用制御歯(20)に噛合うことはない、
その結果前記回動部材(4)は大きな回動変位力を受け
ることはなく、該回動部材(4)に形成されている切換
用突起(5)が切換部材(23)に形成されている第2
係合片(30)に当接した状態で回動変位位置が規制さ
れた状態になる。そして、回動部材(4)の回動変位力
は小さいため切換部材(23)が第2位置方向へ変位せ
しめられることはなく、電動機の逆転動作が行なわれて
も再生方向の切換動作は行なわれることはない。このよ
うに巻戻し動作は行なわれるが、斯かる状態において停
止操作を行なうと摺動部材(8)の矢印(B)方向への
変位に伴なって制御部材(14)が動作位置である矢印
(D>方向へ変位すると共に電動機が回転を停止する。As a result, the control member (14) is displaced in the direction of arrow (C), which is the non-operating position, against the biasing force of the spring (19), resulting in the state shown in FIG. 5. When the electric motor performs a reverse rotation operation in such a state, the drive gear (1) is rotated clockwise. When the drive gear (1) rotates clockwise, the rotating member (4) rotates the drive gear (1).
> and the switching gear (6), the rotational member (4) receives a clockwise rotational biasing force, and the rotational member (4)
It is rotated clockwise around . In this case, since the control member (14) is displaced in the direction of the arrow (C), the switching gear (6) mounted on the rotation member (4) is moved to the control member (14). It does not mesh with the formed switching control teeth (20),
As a result, the rotating member (4) is not subjected to a large rotational displacement force, and the switching protrusion (5) formed on the rotating member (4) is formed on the switching member (23). Second
The rotational displacement position is regulated in a state in which the engaging piece (30) is in contact with the engaging piece (30). Since the rotational displacement force of the rotation member (4) is small, the switching member (23) is not displaced toward the second position, and even if the electric motor is reversed, the regeneration direction switching operation is not performed. It won't happen. Although the rewinding operation is performed in this manner, when the stop operation is performed in such a state, the control member (14) moves from the operating position as the sliding member (8) moves in the direction of the arrow (B). (The electric motor stops rotating as it is displaced in the D> direction.
斯かる動作が行なわれると制御部材(14)に形成きれ
ている切換用制御歯(20)と切換用歯車(6)とが噛
合った状態になるが、次の動作が行なわれると駆動歯車
(1)の回転方向によって回動部材り4)の回動変位動
作が行なわれることになる。即ち第1方向への再生操作
が行なわれると回動部材(4)は反時計方向に回動変位
するが、切換部材(23)は第1方向への再生動作を行
なう第1位置にあるため再生方向の切換動作が行なわれ
ることはない。また反対に第2方向への再生操作が行な
われると切換用歯車(6)と切換用制御歯<20)とが
噛合った状態にあるため回動部材(4)の時計方向への
変位動作が行なわれ、前述した切換部材(23)の第2
位置への変位動作が直ちに行なわれることになる。この
ように第1方向への再生動作を行なう状態にあるときに
巻戻し操作を行なった場合の動作は行なわれるが、第2
方向への再生動作を行なう状態にあるときに巻戻し操作
を行なった場合にも同様の動作が行なわれるためその説
明は省略する。When such an operation is performed, the switching control tooth (20) completely formed on the control member (14) and the switching gear (6) become in mesh with each other, but when the next operation is performed, the driving gear Depending on the rotational direction (1), the rotational displacement operation of the rotational member 4) is performed. That is, when the regeneration operation in the first direction is performed, the rotating member (4) is rotated counterclockwise, but since the switching member (23) is in the first position where the regeneration operation is performed in the first direction. No switching operation of the reproduction direction is performed. On the other hand, when the regeneration operation is performed in the second direction, the switching gear (6) and the switching control teeth <20) are in mesh with each other, so that the rotating member (4) is displaced clockwise. is carried out, and the second switching member (23) mentioned above is
A displacement action to the position will occur immediately. In this way, if the rewind operation is performed while the playback operation is in the first direction, the operation is performed, but the second
A similar operation is performed when a rewind operation is performed while a playback operation is being performed in this direction, so a description thereof will be omitted.
(ト)発明の効果
本発明の再生方向切換装置は、再生方向の切換動作を電
動機の回転方向の切換動作を利用して行なうようにした
ので切換歯車と駆動歯車との噛合動作をトリガ一部材等
によって制御する従来技術と比較して構成が簡単になる
という利点を有しており、超小型のテープレコーダーに
実施した場合に非常に大きな効果を奏するものである。(G) Effects of the Invention The regeneration direction switching device of the present invention uses the switching operation of the rotational direction of the electric motor to perform the regeneration direction switching operation, so that the meshing operation between the switching gear and the drive gear is triggered by a single trigger member. The present invention has the advantage that the configuration is simpler than the conventional technology which controls the system using the above methods, and it has a very large effect when implemented in an ultra-small tape recorder.
図面は何れも本発明の再生方向切換装置に関し、第1図
は第1方向への再生状態を示す平面図、第2図及び第3
図は第1方向から第2方向への切換動作が行なわれてい
る途中の状態を示す平面図、第4図は第2方向への再生
状態を示す平面図、第5図は巻戻し操作が行なわれた状
態を示す平面図である。
主な図番の説明
(1)・・・駆動歯車、 (3)・・・回転中心軸、
(4)・・・回動部材、 (6)・・・切換用歯車、(
8)・・・摺動部材、(14)・・・制御部材、 (2
0)・・・切換用制御歯、 (23)・・・切換部材、
(28)・・・オーバーセンターバネ。The drawings all relate to the playback direction switching device of the present invention, and FIG. 1 is a plan view showing the playback state in the first direction, and FIGS.
The figure is a plan view showing a state in the middle of a switching operation from the first direction to the second direction, FIG. 4 is a plan view showing a state of playback in the second direction, and FIG. FIG. Explanation of main drawing numbers (1)...Drive gear, (3)...Rotation center axis,
(4)...Rotating member, (6)...Switching gear, (
8)...Sliding member, (14)...Control member, (2
0)...Switching control tooth, (23)...Switching member,
(28)...Over center spring.
Claims (1)
である第2方向への再生機能を有すると共に再生方向に
対応して電動機の回転方向が切換えられるように構成さ
れた往復型テープレコーダーにおいて、前記電動機の回
転方向に対応して回転駆動される駆動歯車と、該駆動歯
車の回転中心軸と同軸にて回動可能に取付けられている
回動部材と、該回動部材上に回転可能に取付けられてい
ると共に前記駆動歯車と常時噛合った状態にあり、且つ
前記駆動歯車より受ける回転力によって前記回動部材を
該駆動歯車の回転方向へ回動付勢せしめる切換用歯車と
、前記駆動歯車の逆転動作に伴なう前記回動部材の変位
動作により前記切換用歯車が噛合うと共に該回動部材に
回動変位力を与える切換用制御歯と、前記回動部材の回
動変位動作により第1方向への再生動作を行なう第1位
置から第2方向への再生動作を行なう第2位置へ、また
第2位置から第1位置へ変位せしめられる切換部材と、
該切換部材が第1位置にあるとき該切換部材を第1位置
方向へ付勢すると共に前記回動部材の回動変位動作によ
り該切換部材が第1位置より第2位置方向へ変位せしめ
られたとき該切換部材を第2位置方向へ付勢変位せしめ
、且つ該切換部材が前記回動部材の回動変位動作により
第2位置より第1位置方向へ変位せしめられたとき該切
換部材を第1位置方向へ付勢変位せしめる付勢手段とよ
り成る往復型テープレコーダーの再生方向切換装置。(1) A reciprocating type having a regeneration function in a first direction and a regeneration function in a second direction opposite to the first direction, and configured so that the rotation direction of the electric motor can be switched in accordance with the regeneration direction. In the tape recorder, a drive gear rotationally driven in accordance with the rotational direction of the electric motor, a rotating member rotatably mounted coaxially with the rotation center axis of the drive gear, and a rotating member on the rotating member. a switching gear that is rotatably attached to the drive gear, is always in mesh with the drive gear, and biases the rotating member to rotate in the rotational direction of the drive gear by the rotational force received from the drive gear; and a switching control tooth that engages the switching gear and applies a rotational displacement force to the rotational member due to the displacement operation of the rotational member accompanying the reverse rotation of the drive gear; a switching member that is displaced by rotational displacement from a first position where a regeneration operation is performed in a first direction to a second position where a regeneration operation is performed in a second direction, and from the second position to the first position;
When the switching member is in the first position, the switching member is biased toward the first position, and the switching member is displaced from the first position toward the second position by the rotational displacement operation of the rotating member. When the switching member is biased toward the second position, and when the switching member is displaced from the second position toward the first position by the rotational displacement operation of the rotating member, the switching member is moved toward the first position. A playback direction switching device for a reciprocating tape recorder, comprising a biasing means for biasing displacement in a position direction.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62313468A JPH01154341A (en) | 1987-12-10 | 1987-12-10 | Reproducing direction switching device for two-way tape recorder |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62313468A JPH01154341A (en) | 1987-12-10 | 1987-12-10 | Reproducing direction switching device for two-way tape recorder |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH01154341A true JPH01154341A (en) | 1989-06-16 |
Family
ID=18041667
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62313468A Pending JPH01154341A (en) | 1987-12-10 | 1987-12-10 | Reproducing direction switching device for two-way tape recorder |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01154341A (en) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5712446A (en) * | 1980-07-22 | 1982-01-22 | Tanashin Denki Co | Auto-reverse device of double reel type tape recorder |
JPS5862859A (en) * | 1981-10-07 | 1983-04-14 | Mitsubishi Electric Corp | Magnetic recording and reproducing device |
JPS5880154A (en) * | 1981-11-06 | 1983-05-14 | Matsushita Electric Ind Co Ltd | Tape transfer device |
JPS6139275A (en) * | 1984-07-30 | 1986-02-25 | Fujitsu Ltd | Closed loop control circuit for magnetic disc device |
-
1987
- 1987-12-10 JP JP62313468A patent/JPH01154341A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5712446A (en) * | 1980-07-22 | 1982-01-22 | Tanashin Denki Co | Auto-reverse device of double reel type tape recorder |
JPS5862859A (en) * | 1981-10-07 | 1983-04-14 | Mitsubishi Electric Corp | Magnetic recording and reproducing device |
JPS5880154A (en) * | 1981-11-06 | 1983-05-14 | Matsushita Electric Ind Co Ltd | Tape transfer device |
JPS6139275A (en) * | 1984-07-30 | 1986-02-25 | Fujitsu Ltd | Closed loop control circuit for magnetic disc device |
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