JP3318806B2 - Tape end detection device for tape drive - Google Patents
Tape end detection device for tape driveInfo
- Publication number
- JP3318806B2 JP3318806B2 JP17877294A JP17877294A JP3318806B2 JP 3318806 B2 JP3318806 B2 JP 3318806B2 JP 17877294 A JP17877294 A JP 17877294A JP 17877294 A JP17877294 A JP 17877294A JP 3318806 B2 JP3318806 B2 JP 3318806B2
- Authority
- JP
- Japan
- Prior art keywords
- tape
- detecting
- detection
- projection
- 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.)
- Expired - Fee Related
Links
Description
【０００１】[0001]
【産業上の利用分野】本発明はカセットテープレコーダ
等のテープ駆動装置のテープエンド検出装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tape end detecting device for a tape drive such as a cassette tape recorder.
【０００２】[0002]
【従来の技術】一般に、カセットテープレコーダ等のテ
ーププレーヤには、テープの巻取り終了によるテープ終
端を検出するテープエンド検出装置が備えられ、このテ
ープ終端検出により各機構を自動的に停止させ電源を切
るようにしたり、テープ走行方向を逆転させるように構
成したものがある。このようなテープエンド検出装置と
しては、図１１に示すように構成したものがある。2. Description of the Related Art Generally, a tape player such as a cassette tape recorder is provided with a tape end detecting device for detecting the end of the tape when the winding of the tape is completed. There is a configuration in which the tape running direction is reversed or the tape running direction is reversed. As such a tape end detecting device, there is a device configured as shown in FIG.
【０００３】このテープエンド検出装置は、リール台と
摩擦係合関係で回転される回転体３１に偏心カム３１ａ
と突起３１ｂが形成され、突起３１ｂは偏心カム３１ａ
の小径部側に対向し、カム最大径部の軌跡上より外側に
位置して形成されており、また、この回転体３１と同軸
上にリール台と摩擦係合されるスリップレバー３２が備
えられている。This tape end detecting device includes an eccentric cam 31a provided on a rotating body 31 which is rotated in a frictional engagement with a reel base.
And a projection 31b are formed, and the projection 31b is an eccentric cam 31a.
And a slip lever 32 frictionally engaged with the reel base on the same axis as the rotating body 31. ing.
【０００４】そして、回転体３１の偏心カム３１ａと突
起３１ｂが形成されている作動面側に対応して第１の検
出部材３３が配されて、その中央部において軸３４によ
り軸支され、一半部３３ａの先端に形成された係合突起
３３ａ1 が偏心カム３１ａの周面に対応しており、また
一半部３３ａ側には係合片３３ａ2 が突設されてスリッ
プレバー３２に係合されている。[0004] A first detecting member 33 is arranged corresponding to the operating surface of the rotating body 31 on which the eccentric cam 31a and the projection 31b are formed, and is rotatably supported by a shaft 34 at a central portion thereof. engaging projections 33a 1 formed at the tip parts 33a are in correspondence with the peripheral surface of the eccentric cam 31a, also the engaging piece 33a 2 is engaged with the slip lever 32 is projected on one half 33a side ing.
【０００５】この第１の検出部材３３の他端部３３ｂの
先端側に対応して第２の検出部材３５が軸受部３５ａに
おいて軸３６により軸支されており、この第２の検出部
材３５には第１の検出部材３３が係合される係合片部３
５ｂと、回転駆動機構としてのキャプスタン３７のキャ
プスタンホイール３８に突設した係合突起３８ａに対応
係合する係合縁部３５ｃが形成され、また、軸受部３５
ａから押圧アーム部３５ｄと復帰ばね片３５ｅが突出形
成されている。また、この第２の検出部材３５の押圧ア
ーム部３５ｄは、操作レバーのロックプレート３９に対
応されている。A second detecting member 35 is supported by a shaft 36 at a bearing portion 35a corresponding to the distal end of the other end portion 33b of the first detecting member 33. Is the engagement piece 3 with which the first detection member 33 is engaged.
5b and an engaging edge 35c corresponding to an engaging projection 38a protruding from a capstan wheel 38 of a capstan 37 as a rotary drive mechanism.
A pressing arm portion 35d and a return spring piece 35e are formed to protrude from a. The pressing arm 35d of the second detecting member 35 corresponds to the lock plate 39 of the operation lever.
【０００６】このように各部材から構成されるテープエ
ンド検出機構は、リール台が回転しテープが走行されて
いる間は、スリップレバー３２に所定の摩擦トルクが発
生してこのスリップレバー３２に第１の検出部材３３が
係合片３３ａ2 を介して係合して回転付勢されることに
より、先端の係合突起３３ａ1 が回転体３１の偏心カム
３１ａの周面に当接し、この第１の検出部材３３は回転
体３１の回転により偏心カム３１ａに倣って揺動され
る。As described above, the tape end detecting mechanism constituted by the respective members generates a predetermined friction torque on the slip lever 32 while the reel base is rotating and the tape is running, so that the slip lever 32 has a first frictional torque. by first detecting member 33 is rotationally urged in engagement via the engagement piece 33a 2, engagement projections 33a 1 of the tip comes into contact with the circumferential surface of the eccentric cam 31a of the rotary member 31, the first The first detecting member 33 is swung by the rotation of the rotating body 31 following the eccentric cam 31a.
【０００７】このテープ走行状態からテープ終端におい
てリール台が停止すると、スリップレバー３２のトルク
が発生しないため、第１の検出部材３３は、偏心カム３
１ａの最大径部で押された位置で停止される状態にな
り、この状態で回転体３１の回転が持続していることに
より、突起３１ｂが先端の係合突起３３ａ1 に係合して
外方へ押すことになり、第１の検出部材３３は、偏心カ
ム３１ａの最大径部により押される場合より大きく回転
変位される。When the reel base stops at the end of the tape from the tape running state, the torque of the slip lever 32 is not generated.
Ready to be stopped at the position pressed by the maximum diameter of 1a, by rotation of the rotating body 31 is continued in this state, the outer projection 31b is engaged with the engagement projections 33a 1 of the tip As a result, the first detecting member 33 is rotationally displaced more than when it is pushed by the maximum diameter portion of the eccentric cam 31a.
【０００８】この第１の検出部材３３の回転変位によ
り、この他半部３３ｂの先端が第２の検出部材３５の係
合片部３５ｂに係合して押圧し、このため、第２の検出
部材３５は回転変位されて係合縁部３５ｃがキャプスタ
ンホイール３８の係合突起３８ａの軌跡上に臨み、キャ
プスタンホイール３８の回転に伴って係合突起３８ａに
より押圧される。これにより、第２の検出部材３５は大
きく回転変位されて押圧アーム部３５ｄがロックプレー
ト３９を押して摺動させて操作レバーのロックを解除す
る。[0008] Due to the rotational displacement of the first detecting member 33, the tip of the other half portion 33b engages with the engaging piece 35b of the second detecting member 35 and presses it. The member 35 is rotated and displaced so that the engagement edge 35c faces the locus of the engagement protrusion 38a of the capstan wheel 38, and is pressed by the engagement protrusion 38a as the capstan wheel 38 rotates. As a result, the second detection member 35 is largely rotated and displaced, and the pressing arm 35d pushes and slides the lock plate 39 to unlock the operation lever.
【０００９】このように、従来のテープエンド検出機構
はテープ終端を検出して各モード操作レバーの操作状態
でのロックを解除するように構成されている。As described above, the conventional tape end detecting mechanism is configured to detect the end of the tape and release the lock in the operating state of each mode operating lever.
【００１０】[0010]
【発明が解決しようとする課題】このように構成される
従来のテープエンド検出機構においては、第１の検出部
材は、各モード操作レバーのロックの自動解除、停止動
作の終了後も、テープエンドを検出した状態、即ち、回
転体の突起により大きく回転変位された状態のままにな
っているため、次の早い押釦操作では各モード操作レバ
ーのロックができず、また、普通の早さで押釦操作した
場合でも回転体が回転し、第１の検出部材の係合突起が
回転体の突起から外れるまでの間はキャプスタンホイー
ルの係合突起が第２の検出部材の係合縁部に係合するた
めチャタリングノイズを生じる不具合がある。In the conventional tape end detecting mechanism constructed as described above, the first detecting member keeps the tape end even after the automatic unlocking of each mode operation lever and the stop operation are completed. Is detected, that is, it remains in a state of being largely rotated and displaced by the projection of the rotating body, so that the mode operation lever cannot be locked at the next quick push button operation, and the push button is pressed at a normal speed. Even when operated, the rotating body rotates and the engaging projection of the capstan wheel engages with the engaging edge of the second detecting member until the engaging projection of the first detecting member comes off the projection of the rotating body. This causes chattering noise.
【００１１】また、タイマースタンバイ機構を付加でき
ない欠点がある。Another disadvantage is that a timer standby mechanism cannot be added.
【００１２】本発明はかかる点に鑑みてなされたもの
で、テープの終端の検出後、検出部材をテープ走行時又
は停止時の位置に復帰させるようにしたテープ駆動装置
のテープエンド検出装置を提供することを目的とする。SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and provides a tape end detecting device of a tape driving device in which a detecting member is returned to a position at the time of running or stopping the tape after detecting the end of the tape. The purpose is to do.
【００１３】[0013]
【課題を解決するための手段】上記目的を達成するため
に本発明は、カム及び突起を有し、リール台と摩擦係合
関係で回転される回転部材と、リール台のテープ終了に
よる停止時に回転部材のカム側から変位して突起に係合
し、テープ終端を検出する第１の検出部材と、テープ終
了時に変位される第１の検出部材に係合されて変位され
ると共に、駆動機構により変位動作される他の検出部材
を有するテープ駆動装置のテープエンド検出装置におい
て、他の検出部材に、この他の検出部材の変位動作範囲
内で第１の検出部材と干渉係合する係合部を形成し、テ
ープエンド検出後、第１の検出部材に他の検出部材が、
係合部を介して干渉係合して第１の係合部材を回転部材
の突起から離脱させテープ走行時又は停止時の位置に復
帰させるように構成したものである。SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides a rotating member having a cam and a projection, which is rotated in a frictional engagement with a reel base. A first detection member that is displaced from the cam side of the rotating member and engages with the projection to detect the end of the tape; and a first detection member that is displaced when the tape ends and is displaced by being engaged with the drive mechanism. In the tape end detecting device of the tape drive device having another detecting member displaced by the first detecting member, the other detecting member is engaged with the first detecting member in the range of the displacing operation range of the other detecting member. Forming a portion, after the tape end detection, the other detection member in the first detection member,
The first engaging member is disengaged from the projection of the rotating member by interference engagement via the engaging portion, and is returned to the position at the time of tape running or at the time of stopping.
【００１４】[0014]
【作用】このように構成される本発明装置は、テープ終
了によりリール台が停止した状態でも回転部材は回転を
持続することにより、第１の検出部材は回転部材に対し
てカム側から突起に係合するように変位し、この第１の
検出部材の変位に連続して他の検出部材も変位され、こ
の変位により他の検出部材は駆動機構によって大きく変
位されてテープ終了を検出し、所要の操作を行うと共
に、係合部が第１の検出部材に干渉係合して第１の係合
部材を回転部材の突起から離脱させてテープ走行時又は
停止時の位置に復帰させ、次の動作に備える。According to the device of the present invention, the rotating member continues to rotate even when the reel stand is stopped due to the end of the tape, so that the first detecting member is projected from the cam side with respect to the rotating member. The first detection member is displaced so as to be engaged, and the other detection members are also displaced following the displacement of the first detection member. The other detection members are greatly displaced by the drive mechanism by this displacement, and the end of the tape is detected. And the engaging portion interferes with the first detecting member to disengage the first engaging member from the projection of the rotating member and return to the position at the time of tape running or stop, and Prepare for operation.
【００１５】[0015]
【実施例】以下、本発明の一実施例を図１〜図１０を参
照して説明する。DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to FIGS.
【００１６】図１は本発明を適用するテープ駆動装置の
一例のテーププレーヤにおけるトランスポートの一部分
の表面側の分解斜視図、図２は同、裏面側の分解斜視
図、図３はテープエンド検出装置の裏面側の平面図で、
この図１〜図３において１はメカシャーシ、２は供給側
リール台、３は巻取り側リール台、４はキャプスタン、
５はキャプスタン４の下端部に固着したキャプスタンホ
イールを示す。FIG. 1 is an exploded perspective view of a part of a transport in a tape player as an example of a tape driving apparatus to which the present invention is applied, FIG. 2 is an exploded perspective view of the same back side, and FIG. In a plan view on the back side of the device,
1 to 3, 1 is a mechanical chassis, 2 is a supply-side reel stand, 3 is a take-up reel stand, 4 is a capstan,
Reference numeral 5 denotes a capstan wheel fixed to the lower end of the capstan 4.
【００１７】供給側リール台２は、メカシャーシ１の表
面側に突設された軸受６に圧縮コイルスプリング７を介
して軸支され、また、巻取り側リール台３もメカシャー
シ１の表面側に突設された管状軸受８に嵌挿して軸支さ
れており、この両リール台２，３の外周部には、リール
ギア２ａ，３ａが一体に設けられている。The supply-side reel base 2 is supported by a bearing 6 projecting from the front side of the mechanical chassis 1 via a compression coil spring 7, and the take-up reel base 3 is also mounted on the front side of the mechanical chassis 1. The two reel stands 2 and 3 are integrally provided with reel gears 2a and 3a on the outer peripheral portions thereof.
【００１８】巻取り側リール台３には下端側にスリップ
レバー９を同軸上に回動可能に取付けて、リール台３と
の間に介裝した圧縮ばね等の摩擦部材（図示せず）の摩
擦力によりリール台３の回転が伝達されるようになって
いる。A slip lever 9 is coaxially and rotatably mounted at the lower end of the take-up reel base 3, and a friction member (not shown) such as a compression spring interposed between the take-up reel base 3 and the reel base 3. The rotation of the reel base 3 is transmitted by frictional force.
【００１９】キャプスタン４はメカシャーシ１の表面側
から裏面側に貫通して設けられた軸受１０に軸支され、
キャプスタンホイール５がメカシャーシ１の裏面側に位
置されており、このキャプスタンホイール５の上面、即
ち、メカシャーシ１の裏面側と対向する面の中心寄りに
は図３に示すように係合突起５ａが突設されている。The capstan 4 is supported by a bearing 10 provided from the front side to the back side of the mechanical chassis 1,
The capstan wheel 5 is located on the back side of the mechanical chassis 1, and is engaged with the upper surface of the capstan wheel 5, that is, near the center of the surface facing the back side of the mechanical chassis 1 as shown in FIG. A projection 5a is provided.
【００２０】また、メカシャーシ１の表面側には各操作
レバー１１が配設され、この各操作レバー１１の操作方
向と直交する方向に往復動可能にロックプレート１２が
配設されており、この各操作レバー１１とロックプレー
ト１２とは、周知のように各操作レバーに突設したロッ
クピン１３をロックプレート１２に形成した係合用窓１
２ａに係合させて（図３参照）、操作レバーをオン操作
することによりロックピン１２がロックプレート１２の
係合用窓１２ａに係止され、また、ロックプレート１２
を往動、即ち、係合端部１２ｂを後述するロック解除機
構により突押ししてロック解除方向に摺動させることに
より、係合用窓１２ａによるロックピン１３の係止が解
除されて操作レバーが復帰されるようになっている。Each operating lever 11 is disposed on the front side of the mechanical chassis 1, and a lock plate 12 is disposed so as to be able to reciprocate in a direction orthogonal to the operating direction of each operating lever 11. As is well known, each of the operation levers 11 and the lock plate 12 are provided with a lock pin 13 projecting from each of the operation levers, and an engagement window 1 formed in the lock plate 12.
2a (see FIG. 3), and by turning on the operation lever, the lock pin 12 is locked to the engagement window 12a of the lock plate 12;
In the forward direction, that is, by pushing the engagement end portion 12b by a lock release mechanism described later and sliding in the lock release direction, the lock of the lock pin 13 by the engagement window 12a is released, and the operation lever is moved. It is to be restored.
【００２１】そして、メカシャーシ１の裏面側には、図
２，図３に示すように、テープエンド検出・シャットオ
フ機構１４が配設され、このテープエンド検出・シャッ
トオフ機構１４は、回転部材１５、第１の検出部材とし
ての検出レバー１６及び第２の検出部材としての検出部
材１７から構成されている。As shown in FIGS. 2 and 3, a tape end detection / shutoff mechanism 14 is provided on the rear side of the mechanical chassis 1, and the tape end detection / shutoff mechanism 14 includes a rotating member. 15, a detection lever 16 as a first detection member and a detection member 17 as a second detection member.
【００２２】回転部材１５は、この中心孔１５ａから偏
心する偏心カム（円板カム）１５ｂとこの偏心カム１５
ｂの小径部に対向し、偏心カム１５ｂの最大径部１５ｂ
1 の軌跡上の外側に位置して突起状カム１５ｃを形成し
て構成され、突起状カム１５ｃの端部１５ｃ1 は傾斜面
になっている。この回転部材１５は、中心孔１５ａに回
転軸１８が挿通されて互いに回転自在となされ、回転軸
１８の下端に取付けられたフランジワッシャ１９との間
に圧縮ばね等の摩擦部材２０を介裝して、この摩擦部材
２０の摩擦により回転軸１８の回転が伝達されるように
なっている。The rotating member 15 includes an eccentric cam (disc cam) 15b eccentric from the center hole 15a and an eccentric cam 15b.
b, the largest diameter portion 15b of the eccentric cam 15b
Located outside on the first trajectory is constituted by forming a projecting cam 15c, the ends 15c 1 of the protruding cam 15c is an inclined surface. The rotating member 15 is rotatable with respect to each other by inserting a rotating shaft 18 into a center hole 15a. A friction member 20 such as a compression spring is interposed between the rotating member 15 and a flange washer 19 attached to a lower end of the rotating shaft 18. Thus, the rotation of the rotating shaft 18 is transmitted by the friction of the friction member 20.
【００２３】この回転軸１８は、前述した巻取り側リー
ル台３が軸支される管状軸受８にメカシャーシ１の裏面
側から挿通して巻取り側リール台３に係合させ、このリ
ール台３と一体的に回転されるようになっている。The rotating shaft 18 is inserted from the back side of the mechanical chassis 1 into the tubular bearing 8 on which the above-mentioned take-up reel base 3 is pivotally supported, and is engaged with the take-up reel base 3. 3 and is integrally rotated.
【００２４】検出レバー１６は図３，図４に示すよう
に、略く字状に形成されて中央屈曲部においてメインシ
ャーシ１の裏面側に立設された支軸２１に嵌挿して回転
可能に支持されて一半部１６ａが回転部材１５の下面
側、即ち作動面側に臨み、他半部１６ｂがキャプスタン
ホイール５側に位置するようになっており、中央屈曲部
の支軸２１に嵌挿する軸受部１６ｃは支軸２１と略同径
の軸孔１６ｃ1 を持つ短筒状で一半部１６ａ側の略半周
部を切欠状で内周側を軸孔１６ｃ1 に連続する大径の凹
部とした逃げ部１６ｃ2 に形成してある。また、この検
出レバー１６の一半部１６ａの上面側、即ち、回転部材
１５の作動面に対向する面側には、偏心カム１５ｂ及び
突起状カム１５ｃの周面に対向する係合突起１６ａ1 を
突出形成してあり、また、他半部１６ｂ側には、下面
側、即ち、係合突起１６ａ1 の突出方向と反対方向の面
側に検出部材１７が係合する係合突縁部１６ｂ1 が突出
形成され、この係合突縁部１６ｂ1 側の端縁はＬ字状に
切欠されて傾斜案内面１６ｂ2 が形成されており、さら
に、他半部１６ｂ側の案内面１６ｂ2 と相反する側縁の
端部には押圧突起１６ｂ3 が突出形成されている。As shown in FIGS. 3 and 4, the detection lever 16 is formed in a substantially rectangular shape, and is rotatable by being inserted into a support shaft 21 erected on the rear surface of the main chassis 1 at a central bent portion. The one half 16a is supported so as to face the lower surface side of the rotating member 15, that is, the operating surface side, and the other half 16b is positioned on the capstan wheel 5 side. large diameter recess of the bearing portion 16c is continuous inner circumferential side to the shaft hole 16c 1 substantially half portion of the one half portion 16a side in a short cylindrical shape having a shaft hole 16c 1 having substantially the same diameter as the support shaft 21 in the notch shape of It is formed on the relief portion 16c 2 which was. The upper surface side of the half portion 16a of the detection lever 16, i.e., on the side facing the operating surface of the rotating member 15, the engaging projection 16a 1 opposite to the circumferential surface of the eccentric cam 15b and the protruding cam 15c Yes protruding formation, also, the other half portion 16b side, lower side, i.e., the engagement flange portions 16b 1 which engages the detection member 17 on the side of the direction opposite to the projecting direction of the engagement projection 16a 1 There are protruded, the edges of the engagement flange portions 16b 1 side is inclined guide surface 16b 2 are formed by notch in an L-shape, furthermore, contrary to the guide surface 16b 2 of the other half 16b side the ends of the side edges pressing projection 16b 3 are protruded.
【００２５】また、この検出レバー１６には中央軸支部
から一半部１６ａ寄りの上面側、即ち、メカシャーシ１
の裏面と対向する面側に係合片１６ｄを立設してメカシ
ャーシ１に形成された案内通孔２２からメカシャーシ１
の表面側に突出させて、前述したスリップレバー９に係
合させてある。The detection lever 16 has an upper surface near the half-portion 16a from the central shaft support, that is, the mechanical chassis 1
An engagement piece 16d is provided upright on the surface opposite to the back surface of the mechanical chassis 1 to guide the mechanical chassis 1 through a guide through hole 22 formed in the mechanical chassis 1.
And is engaged with the above-mentioned slip lever 9.
【００２６】そして、この検出レバー１６は、中央軸支
部から他半部１６ｂ寄りの上面側、即ちメカシャーシ１
の裏面と対向する面側に圧縮コイルスプリング２３を嵌
合してメカシャーシ１の裏面に当接させて、他半部１６
ｂ側を常時、メカシャーシ１の裏面側から離隔する方向
に偏倚させてある。The detection lever 16 is located on the upper surface side near the other half 16b from the central shaft support, that is, the mechanical chassis 1
A compression coil spring 23 is fitted on the surface opposite to the back surface of the mechanical chassis 1 and is brought into contact with the back surface of the mechanical chassis 1.
The b-side is constantly biased in a direction away from the rear surface of the mechanical chassis 1.
【００２７】これにより、検出レバー１６は、軸受部１
６ｃの軸孔１６ｃ1 の他半部１６ｂ側半周部が支軸２１
に密接する状態になり、メカシャーシ１に対して平行状
態で保持される（図４参照）。Thus, the detection lever 16 is connected to the bearing 1
Other half 16b side half portion support shaft 21 of 6c shaft hole 16c 1 of
, And is held parallel to the mechanical chassis 1 (see FIG. 4).
【００２８】検出部材１７は、図２，図３に示すよう
に、検出レバー１６の他半部１６ｂの端末側に位置して
軸支されている。この検出部材１７は、メインシャーシ
１の裏面側に突設された支軸２４に嵌挿する短筒状の軸
受部１７ａから水平方向に、検出レバー１６の他半部１
６ｂの端部に両側から挟むように対応する第１の係合片
部１７ｂと第２の係合片部１７ｃを形成し、第１の係合
片部１７ｂの先端縁に前述した検出レバー１６の傾斜案
内面１６ｂ2 に対応する傾斜面１７ｂ1 が形成されてお
り、この第１の係合片部１７ｂ側の側縁部には前述した
キャプスタンホイール５の係合突起５ａと対応する係合
縁部１７ｄが形成されている。As shown in FIGS. 2 and 3, the detecting member 17 is located at the end of the other half 16b of the detecting lever 16 and is pivotally supported. The detection member 17 is horizontally moved from a short cylindrical bearing portion 17a which is inserted into a support shaft 24 protrudingly provided on the back surface side of the main chassis 1 in the other half 1 of the detection lever 16.
A first engagement piece 17b and a second engagement piece 17c are formed on opposite ends of the first engagement piece 17b so as to be sandwiched from both sides. engaging the inclined surface 17b 1 which corresponds to the inclined guide surface 16b 2 are formed, the side edge portion of the first engagement piece 17b side corresponding to the engaging projection 5a of the capstan wheel 5 described above A mating portion 17d is formed.
【００２９】そして、この検出部材１７は前述したロッ
クプレート１２の押圧アーム部１７ｅが軸受部１７ａか
ら第１，第２の係合片部１７ｂ，１７ｃの形成方向に対
して、略直角方向に突出形成してあり、さらに、軸受部
１７ａから一体に復帰ばね片１７ｆを延長形成してあ
る。The detecting member 17 has the pressing arm 17e of the lock plate 12 projecting from the bearing 17a in a direction substantially perpendicular to the direction in which the first and second engaging pieces 17b and 17c are formed. The return spring piece 17f is formed integrally with the bearing 17a so as to extend therefrom.
【００３０】この検出部材１７は、軸受部１７ａを支軸
２４に嵌挿して軸支し、復帰ばね片１７ｆの先端部をメ
カシャーシ１の裏側に突設された係止突子２５に弾性的
に係止することにより、回動されるが、常時、第１と第
２の係合片部１７ｂと１７ｃが検出レバー１６の他半部
１６ｂの端部を挟んで位置すると共に係合縁部１７ｄが
キャプスタンホイール５の係合突起５ａの回動軌跡上か
ら離れて位置するようにメカシャーシ１の裏側に突設し
た回動規制突子２６に突当り回動が規制されるようにな
っている。この検出部材１７の回動規制状態で押圧アー
ム部１７ｅはロックプレート１２の係合端部１２ｂから
所要間隔で離隔されている。The detecting member 17 has a bearing 17a inserted into and supported by a support shaft 24, and a distal end of a return spring piece 17f is elastically attached to a locking projection 25 projecting from the rear side of the mechanical chassis 1. , The first and second engagement pieces 17b and 17c are always positioned with the end of the other half 16b of the detection lever 16 interposed therebetween, and the engagement edge The rotation is restricted by a rotation restricting projection 26 protruding from the rear side of the mechanical chassis 1 so that 17d is located away from the rotational path of the engaging projection 5a of the capstan wheel 5. I have. The pressing arm portion 17e is separated from the engaging end portion 12b of the lock plate 12 at a required interval in a state where the rotation of the detecting member 17 is restricted.
【００３１】次に、以上のように構成されるテープエン
ド検出・シャットオフ機構１４の動作を図３〜図１０を
参照して説明する。Next, the operation of the tape end detecting / shutoff mechanism 14 configured as described above will be described with reference to FIGS.
【００３２】先ず、テープの再生又は記録走行において
は、供給側リール台２は回転自在で、巻取り側リール台
３は、駆動機構（図示せず）から回転力が伝達されて回
転される回転部材１５の回転により、回転軸１８が摩擦
部材２０を介して回転され、この回転軸１８と一体に回
転されてテープを巻取り動作し、この際、スリップレバ
ー９も摩擦部材（図示せず）を介して巻取り側リール台
３と一体に回転（矢印ａ方向）される状態にある。First, during tape reproduction or recording, the supply-side reel base 2 is rotatable, and the take-up reel base 3 is rotated by a rotational force transmitted from a drive mechanism (not shown). By the rotation of the member 15, the rotating shaft 18 is rotated via the friction member 20, and is rotated integrally with the rotating shaft 18 to take up the tape. At this time, the slip lever 9 is also rotated by the friction member (not shown). , And is rotated integrally with the take-up reel base 3 (in the direction of arrow a).
【００３３】この状態で、検出レバー１６は、図３に示
すようにスリップレバー９により係合片１６ｄを介して
回転付勢されて支軸２１に対する軸受部１６ｃの嵌挿部
を中心に水平状態（図４参照）で反時計方向（矢印ｂ方
向）に回転され、一半部１６ａの係合突起１６ａ1 が回
転部材１５の偏心カム１５ｂの周面に当接される。この
状態で検出レバー１６は、回転部材１５の回転に伴い、
偏心カム１５ｂに倣って揺動回転し、テープは巻取り側
リール台３の回転により走行が継続される。In this state, the detection lever 16 is urged to rotate by the slip lever 9 via the engagement piece 16d by the slip lever 9 as shown in FIG. 4 (see FIG. 4), the engagement protrusion 16 a 1 of the half part 16 a is brought into contact with the peripheral surface of the eccentric cam 15 b of the rotating member 15. In this state, the detection lever 16 moves with the rotation of the rotating member 15,
The tape rotates and follows the eccentric cam 15b, and the tape continues to run due to the rotation of the take-up reel base 3.
【００３４】このようにして、テープが終端まで走行さ
れて、両リール台２，３間において突張ることにより、
巻取り側リール台３が停止するとスリップレバー９も停
止して検出レバー１６に対する回転付勢力が発生しなく
なる。In this way, the tape is run to the end and stretches between the two reel bases 2 and 3,
When the take-up reel base 3 stops, the slip lever 9 also stops, and no rotational urging force is applied to the detection lever 16.
【００３５】この状態では、回転部材１５は巻取り側リ
ール台３に対してスリップ関係で回転を継続しており、
このため、検出レバー１６の係合突起１６ａ1 に偏心カ
ム１５ｂが小径部から大径部１５ｂ1 にかけて摺動する
ことにより、検出レバー１６は支軸２１に対する軸受部
１６ｃの嵌挿部を中心として時計方向（矢印ｃ方向）に
水平に回転されて、偏心カム１５ｂの最大径部１５ｂ1
が係合突起１６ａ1 に摺接した状態で一旦時計方向回転
は停止され、図５に示すように、係合突起１６ａ1 は偏
心カム１５ｂから離れて突起状カム１５ｃと対向するよ
うに位置される。In this state, the rotating member 15 continues to rotate in a slip relationship with respect to the take-up reel base 3.
Therefore, by the eccentric cam 15b to the engaging projections 16a 1 of the detection lever 16 slides toward the large diameter portion 15b 1 from the small-diameter portion, the detection lever 16 around the fitting portion of the bearing portion 16c for supporting shaft 21 The eccentric cam 15b is rotated horizontally in the clockwise direction (the direction of arrow c), and the maximum diameter portion 15b 1
There once clockwise rotation in a state of sliding contact with the engagement projection 16a 1 is stopped, as shown in FIG. 5, the engaging projection 16a 1 are located so as to face the protruding cam 15c away from the eccentric cam 15b You.
【００３６】この状態で回転部材１５がさらに回転する
と、突起状カム１５ｃが、検出レバー１６の係合突起１
６ａ1 に突当り、その端部１５ｃ1 の傾斜面に沿って係
合突起１６ａ1 を外周方向に押して突起状カム１５ｃの
外周面に摺接係合される。これにより検出レバー１６
は、図６に示すように、さらに時計方向に回転されて他
半部１６ｂがその押圧突起１６ｂ3 を介して検出部材１
７の第２の係合突片部１７ｃを押圧し、このため、検出
部材１７は復帰ばね片１７ｆの付勢力に抗して支軸２４
に対する軸受部１７ａの嵌挿部を中心に反時計方向（矢
印ｄ方向）に回転されて第１の係合片部１７ｂの傾斜面
１７ｂ1 が検出レバー１６の傾斜案内面１６ｂ2 に対応
されると共に、係合縁部１７ｄがキャプスタンホイール
５に突設されている係合突起５ａの回動軌跡上に臨む。When the rotating member 15 further rotates in this state, the projection cam 15c is brought into contact with the engagement projection 1 of the detection lever 16.
It abuts the 6a 1, is engaged in sliding contact engagement with the outer peripheral surface of the protruding cam 15c press the engaging projections 16a 1 in the outer peripheral direction along the inclined surface of the end portion 15c 1. This allows the detection lever 16
As shown in FIG. 6, is further rotated in the clockwise direction other half 16b is detected via the pressing projection 16b 3 members 1
7, the second engaging projection 17c is pressed, and the detection member 17 is supported by the support shaft 24 against the urging force of the return spring piece 17f.
The inclined surface 17b 1 of the first engagement piece 17b is corresponding to the inclined guide surface 16b 2 of the detection lever 16 is rotated in the counterclockwise direction (direction of the arrow d) around the fitting portion of the bearing portion 17a for At the same time, the engaging edge 17d faces on the rotation locus of the engaging protrusion 5a protruding from the capstan wheel 5.
【００３７】この状態で検出部材１７は、係合縁部１７
ｄにキャプスタンホイール５の係合突起５ａが係合され
てキャプスタンホール５の回動力により図７に示す位置
まで反時計方向（矢印ｄ方向）へ回転変位され、この検
出部材１７の回転により、第１の係合片部１７ｂが検出
レバー１６の他半部１６ｂの端部裏面側に乗り上げ、即
ち垂直方向に干渉係合して検出レバー１６は他半部１６
ｂ側がメカシャーシ１の裏面方向へ押圧される。In this state, the detecting member 17 is
The engaging projection 5a of the capstan wheel 5 is engaged with the cap d, and is rotated counterclockwise (direction of arrow d) to the position shown in FIG. The first engaging piece 17b rides on the back side of the end of the other half 16b of the detection lever 16, that is, the detection lever 16 is engaged with the other half 16b in the vertical direction.
The b side is pressed toward the rear surface of the mechanical chassis 1.
【００３８】この押圧により、検出レバー１６は、図８
に示すように水平状態を保持していた圧縮コイルスプリ
ング２３が圧縮されて、メカシャーシ１の裏面側に対し
て、他半部１６ｂ側が接近し、一半部１６ａ側が離隔す
るように傾斜されて、係合突起１６ａ1 が回転部材１５
の突起状カム１５ｃからその高さ方向に外れるように移
動される。この検出レバー１６の傾斜動作は、軸受部１
６ｃには一半部１６ａ側の略半周部に、軸孔１６ｃ1 に
連続する大径の凹部とする逃げ部１６ｃ2 を形成してあ
るため、軸受部１６ｃと支軸２１が干渉することなく円
滑に行われる。By this pressing, the detection lever 16 is moved as shown in FIG.
As shown in the figure, the compression coil spring 23, which has been kept in a horizontal state, is compressed, and is inclined such that the other half 16b approaches and the one half 16a separates from the back side of the mechanical chassis 1, engagement projection 16a 1 is rotary member 15
Is moved so as to be displaced from the protruding cam 15c in the height direction. The tilting operation of the detection lever 16 is performed by the bearing 1.
Approximately half portion of one half 16a side to 6c, since is formed with relief portions 16c 2 that the recess of large diameter contiguous to the shaft hole 16c 1, smoothly without bearing portion 16c and the support shaft 21 interferes Done in
【００３９】そこで、さらに、キャプスタンホイール５
の回動により、検出部材１７が係合突起５ａに押されて
反時計方向（矢印ｄ方向）にさらに回転されると、図９
に示すように、第１の係合片部１７ｂが検出レバー１６
の他半部１６ｂ側の係合突縁部１６ｂ1 に摺接係合する
状態になって、検出レバー１６は反時計方向（矢印ｂ方
向）に回転され、一半部１６ａ側の係合突起１６ａ1 は
回転部材１５の突起状カム１５ｃ上を偏心カム１５ｂ方
向へ移動される。Therefore, the capstan wheel 5
When the detection member 17 is pushed by the engagement protrusion 5a and further rotated in the counterclockwise direction (the direction of the arrow d) by the rotation of FIG.
As shown in FIG. 5, the first engagement piece 17b is
Is of the engagement flange portion 16b 1 of the other half 16b side in a state of sliding contact engagement, detection lever 16 is rotated in the counterclockwise direction (arrow b direction), one half 16a side of the engaging protrusion 16a 1 is moved on the protruding cam 15c of the rotating member 15 in the direction of the eccentric cam 15b.
【００４０】さらに、キャプスタンホイール５の回動に
より、図１０に示すように、その係合突起５ａと検出部
材１７の係合縁部１７ｄとの係合が外れる位置まで検出
部材１７が反時計方向（矢印ｄ方向）に回転されると、
検出レバー１６もさらに反時計方向（矢印ｂ方向）に回
転されて、係合突起１６ａ1 が回転部材１５の突起状カ
ム１５ｃを通過して偏心カム１５ｂ側へ移動位置され
る。Further, the rotation of the capstan wheel 5 causes the detection member 17 to rotate counterclockwise until the engagement projection 5a and the engagement edge 17d of the detection member 17 are disengaged, as shown in FIG. When rotated in the direction (direction of arrow d),
Detection lever 16 be further rotated in the counterclockwise direction (arrow b direction), the engaging projection 16a 1 are moved position to the eccentric cam 15b side through the projecting cam 15c of the rotary member 15.
【００４１】また、この状態になるまでの間には、検出
部材１７の反時計方向（矢印ｄ方向）の回転により、押
圧アーム１７ｅがロックプレート１２を、その係合端部
１２ｂを介して突押しして摺動させ、係合用窓１２ａに
よる操作レバーのロックピン１３のロックを解除し、操
作レバーのロックを自動的に解除させ、各モードは停止
状態になっている。Until this state is reached, the rotation of the detecting member 17 in the counterclockwise direction (the direction of arrow d) causes the pressing arm 17e to push the lock plate 12 through the engagement end 12b. Push and slide to release the lock of the operation lever lock pin 13 by the engagement window 12a, and automatically release the lock of the operation lever. Each mode is stopped.
【００４２】この状態で、キャプスタンホイール５がさ
らに少し回動すると、係合突起５ａと検出部材１７の係
合縁部１７ｄとの係合が外れて、検出部材１７は一体に
形成された復帰ばね片１７ｆの付勢力により、元の位
置、即ち、回転規制突子２６に突当る位置まで復帰回動
される。In this state, when the capstan wheel 5 is further rotated slightly, the engagement between the engagement protrusion 5a and the engagement edge 17d of the detection member 17 is released, and the detection member 17 is returned integrally. By the biasing force of the spring piece 17f, the spring piece is returned to the original position, that is, the position where it comes into contact with the rotation regulating projection 26.
【００４３】この検出部材１７の復帰回動により、第１
の係合片部１７ｂが検出レバー１６の他半部１６ｂ側の
端部裏面側から離れ、即ち、垂直方向の干渉係合が解除
される。これにより、検出レバー１６は他半部１６ｂ側
が圧縮コイルスプリング２３の付勢力によりメカシャー
シ１の裏面側から離隔するように押戻されて、軸受部１
６ｃの軸孔１６ｃ1 の他半部側半周部が支軸２１に当接
して水平状態に復帰し、一半部１６ａ側の係合突起１６
ａ1 が回転部材１５の偏心カム１５ｂの周面に対向され
て、図３に示すテープ走行時又は停止時の状態に戻る。The return rotation of the detection member 17 causes the first
Is separated from the rear surface of the end of the other half 16b of the detection lever 16, that is, the vertical interference engagement is released. As a result, the detection lever 16 is pushed back by the biasing force of the compression coil spring 23 so that the other half 16 b is separated from the rear surface of the mechanical chassis 1.
Other half side half portion of the shaft hole 16c 1 of 6c is restored to the horizontal state in contact with the support shaft 21, engaging one half portion 16a side mating projections 16
a 1 is opposed to the circumferential surface of the eccentric cam 15b of the rotary member 15 returns to the state or the stop time of tape running shown in FIG.
【００４４】以上のようにして本例のテーププレーヤに
おいてテープ走行からテープの終端走行状態でのテープ
エンド検出及びシャットオフ動作が行われる。この動作
後、検出レバー１６は、テープ走行時又は停止時の位置
に確実に、しかも、各モード操作レバーのロック解除動
作と同時に復帰させることができるので、次の動作にお
いて誤動作が生じるおそれがない。As described above, in the tape player of the present embodiment, the tape end detection and the shut-off operation are performed from the tape running to the end running state of the tape. After this operation, the detection lever 16 can be reliably returned to the position when the tape is running or stopped, and at the same time as the unlocking operation of each mode operation lever, so that there is no risk of malfunction occurring in the next operation. .
【００４５】以上の実施例において、テープ終了を巻取
り側リール台より検出する場合について説明したが、カ
ムと突起を有する回転体であれば、リール台以外でも本
発明を実施できる。また、前述した実施例では２点の検
出部材を用いているが、検出部材を２点以上用いてテー
プエンド検出装置を構成することができ、この場合も第
１の検出部材に対して他の何れかの検出部材を干渉係合
させることになる。また、前述した実施例は、テープエ
ンド検出により各モード操作レバーを自動ロック解除、
停止させる例であるが、オートリバーステーププレーヤ
における自動反転装置にも当然に適用できるものであ
る。さらに、これ等の他、本発明の趣旨を逸脱しない範
囲で種々変更できるものである。In the above embodiment, the case where the end of the tape is detected from the take-up reel base has been described. However, the present invention can be applied to a rotating body having a cam and a projection other than the reel base. Further, in the above-described embodiment, two detection members are used. However, the tape end detection device can be configured by using two or more detection members. Any one of the detection members is brought into interference engagement. In the above-described embodiment, each mode operation lever is automatically unlocked by detecting the tape end,
Although this is an example of stopping, it is naturally applicable to an automatic reversing device in an auto reverse tape player. Further, other than these, various changes can be made without departing from the spirit of the present invention.
【００４６】[0046]
【発明の効果】以上のように本発明によれば、テープエ
ンド検出装置において、テープ終了時に変位動作される
第１の検出部材は、変位状態で他の検出部材が干渉係合
されることにより、テープ走行時又は停止の位置に確実
にしかも同時に復帰されるので、次の動作を連続した早
い操作により行う場合においても誤動作のおそれがな
く、テープエンド検出に伴う所要機構の動作を確実に行
うことができて信頼性が向上し、また、部品点数の増加
もなく、小型で部品コストもかからない安価なテーププ
レーヤ等のテープ駆動装置のテープエンド検出装置を提
供できる。As described above, according to the present invention, in the tape end detecting device, the first detecting member which is displaced at the end of the tape is engaged with the other detecting member in the displaced state. It is possible to return to the tape running or stopped position reliably and at the same time, so that there is no risk of malfunction even if the next operation is performed by a quick and continuous operation, and the operation of the required mechanism accompanying the detection of the tape end is reliably performed. Thus, it is possible to provide a tape end detecting device of a tape drive device such as a tape drive such as an inexpensive tape player which can be improved in reliability, does not increase the number of components, is small, and does not cost components.
【図１】本発明を適用する一例のテーププレーヤにおけ
るトランスポートの一部分の表面側の分解斜視図。FIG. 1 is an exploded perspective view of a surface side of a part of a transport in an example tape player to which the present invention is applied.
【図２】同、トランスポートの一部分の裏面側の分解斜
視図。FIG. 2 is an exploded perspective view of the back side of a part of the transport.
【図３】本発明によるテープエンド検出装置の一例の裏
面側平面図。FIG. 3 is a rear side plan view of an example of a tape end detecting device according to the present invention.
【図４】図３における要部の縦断面図。FIG. 4 is a longitudinal sectional view of a main part in FIG.
【図５】本発明によるテープエンド検出装置の動作状態
を示す裏面側平面図。FIG. 5 is a rear side plan view showing an operation state of the tape end detection device according to the present invention.
【図６】図５に示す状態から検出レバーが変位した状態
を示す裏面側平面図。FIG. 6 is a rear-side plan view showing a state where the detection lever is displaced from the state shown in FIG. 5;
【図７】図６に示す状態から検出レバーが復帰される初
期動作状態を示す裏面側平面図。7 is a rear side plan view showing an initial operation state in which the detection lever is returned from the state shown in FIG. 6;
【図８】図７における要部の縦断面図。8 is a longitudinal sectional view of a main part in FIG. 7;
【図９】図７に示す状態から検出レバーが復帰される中
間動作状態を示す裏面側平面図。9 is a rear side plan view showing an intermediate operation state in which the detection lever is returned from the state shown in FIG. 7;
【図１０】図９に示す状態から検出レバーが復帰された
状態を示す裏面側平面図。10 is a rear side plan view showing a state where the detection lever is returned from the state shown in FIG. 9;
【図１１】従来のテープエンド検出装置の裏面側平面
図。FIG. 11 is a rear side plan view of a conventional tape end detecting device.
１ メカシャーシ ２ 供給側リール台 ３ 巻取り側リール台 ４ キャプスタン ５ キャプスタンホイール（回転機構） ５ａ 係合突起 ９ スリップレバー １１ 操作レバー １２ ロックプレート １４ テープエンド検出・シャットオフ機構 １５ 回転部材 １５ｂ 偏心カム １５ｃ 突起状カム １６ 検出レバー（第１の検出部材） １６ａ1 係合突起 １６ｂ1 係合突縁 １６ｂ2 傾斜案内面 １６ｂ3 押圧突起 １６ｄ 係合片 １７ 検出部材（第２の検出部材） １７ｂ 第１の係合片部 １７ｂ1 傾斜面 １７ｃ 第２の係合片部 １７ｄ 係合縁部 １７ｅ 押圧アーム部 １７ｆ 復帰ばね片 ２３ 圧縮コイルスプリングDESCRIPTION OF SYMBOLS 1 Mechanical chassis 2 Supply-side reel stand 3 Take-up-side reel stand 4 Capstan 5 Capstan wheel (rotation mechanism) 5a Engagement projection 9 Slip lever 11 Operation lever 12 Lock plate 14 Tape end detection / shutoff mechanism 15 Rotating member 15b Eccentric cam 15c Projecting cam 16 Detection lever (first detection member) 16a 1 engagement projection 16b 1 engagement projection 16b 2 inclined guide surface 16b 3 pressing projection 16d engagement piece 17 detection member (second detection member) 17b 1st engaging piece 17b 1 inclined surface 17c 2nd engaging piece 17d engaging edge 17e pressing arm 17f return spring 23 compression coil spring
Claims (4)
プ終了によるリール台停止時に上記回転部材のカム側か
ら変位して突起に係合し、テープ終端を検出する第１の
検出部材と、テープ終了時に変位される上記第１の検出
部材に係合されて変位されると共に駆動機構により変位
動作される他の検出部材を有するテープ駆動装置のテー
プエンド検出装置において、 上記他の検出部材に、この他の検出部材の変位動範囲内
で、上記第１の検出部材と干渉係合する係合部を形成し
てなり、 テープエンド検出後、上記第１の検出部材に上記他の検
出部材が、上記係合部を介して干渉係合して上記第１の
係合部材を上記回転部材の突起から離脱させ、テープ走
行時又は停止時の位置に復帰させるようにしたことを特
徴とするテープ駆動装置のテープエンド検出装置。A rotating member having a cam and a projection, a first detecting member for displacing from the cam side of the rotating member and engaging with the projection when the reel base stops due to the end of the tape, and detecting a tape end; In a tape end detection device of a tape drive device having another detection member displaced by being engaged with the first detection member displaced at the end and displaced by the drive mechanism, the other detection member includes An engagement portion that interferes with and engages with the first detection member is formed within a displacement movement range of the other detection member. After the tape end is detected, the other detection member is attached to the first detection member. And a tape, wherein the first engaging member is disengaged from the projection of the rotating member by interference engagement via the engaging portion, and is returned to a position at the time of running or stopping the tape. Drive tape De detection device.
転部材の上記カム及び突起が形成された作動面に対して
平行方向に回転変位され、作動面と接離方向に揺動変位
されるように軸支したことを特徴とする請求項１に記載
のテープ駆動装置のテープエンド検出装置。2. The apparatus according to claim 1, wherein the first detecting member is rotationally displaced toward the fuselage in a direction parallel to an operating surface of the rotating member on which the cam and the projection are formed, and is oscillatingly displaced from the operating surface. 2. The tape end detecting device of a tape drive device according to claim 1, wherein the tape end detecting device is supported so as to be rotated.
支持部材を介在して上記回転部材の上記カム及び突起が
形成された作動面に対して常時平行に支持されるように
したことを特徴とする請求項１又は２に記載のテープ駆
動装置のテープエンド検出装置。3. The first detecting member is always supported in parallel with an operating surface of the rotating member on which the cam and the projection are formed, with an elastic supporting member interposed between the first detecting member and an airframe. 3. The tape end detecting device for a tape drive device according to claim 1, wherein
が、その上記駆動機構による変位動作時に係合される係
合部を設け、上記他の検出部材の変位動作により上記係
合部を介して上記第１の検出部材をテープ走行時又は停
止時の位置に復帰変位させるようにしたことを特徴とす
る請求項１に記載のテープ駆動装置のテープエンド検出
装置。4. An engaging portion with which the other detecting member is engaged when the first detecting member is displaced by the driving mechanism, and the engaging portion is displaced by the other detecting member. 2. The tape end detecting device of a tape drive according to claim 1, wherein the first detecting member is returned to a position at the time of tape running or at the time of stopping via the member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17877294A JP3318806B2 (en) | 1994-07-29 | 1994-07-29 | Tape end detection device for tape drive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17877294A JP3318806B2 (en) | 1994-07-29 | 1994-07-29 | Tape end detection device for tape drive |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0845133A JPH0845133A (en) | 1996-02-16 |
| JP3318806B2 true JP3318806B2 (en) | 2002-08-26 |
Family
ID=16054362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17877294A Expired - Fee Related JP3318806B2 (en) | 1994-07-29 | 1994-07-29 | Tape end detection device for tape drive |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3318806B2 (en) |
-
1994
- 1994-07-29 JP JP17877294A patent/JP3318806B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0845133A (en) | 1996-02-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4224647A (en) | Magnetic tape-record/playback apparatus | |
| JPH087910B2 (en) | Recording / playback device | |
| US4054930A (en) | Cassette-type magnetic tape player | |
| US4507694A (en) | Selection/drive system for use in a tape recording/reproducing apparatus | |
| JP3318806B2 (en) | Tape end detection device for tape drive | |
| US4799116A (en) | Apparatus for controlling an auto-reverse tape recorder having a mode-changing mechanism | |
| US4604662A (en) | Automatic mode-change mechanism for tape recorder | |
| US5018401A (en) | Translation cam means | |
| KR920002605B1 (en) | Audio reproduction device | |
| JPH0150984B2 (en) | ||
| JPH083922B2 (en) | Tape recorder | |
| US4520412A (en) | Autostop mechanism for tape recorder | |
| US4905105A (en) | Automatic stop mechanism for tape recorder | |
| JPS626590Y2 (en) | ||
| JPH048494Y2 (en) | ||
| JPS6143775B2 (en) | ||
| JPH0229563Y2 (en) | ||
| JPH0150988B2 (en) | ||
| JPS624920Y2 (en) | ||
| JPS5928524Y2 (en) | Detection mechanism | |
| JPH0753138Y2 (en) | Automatic stop device for tape traveling device | |
| JPS609964Y2 (en) | cassette player | |
| JPH0475584B2 (en) | ||
| JP2583847Y2 (en) | Cassette holder lock mechanism | |
| JPH0373948B2 (en) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20080621 Year of fee payment: 6 |
|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20080621 Year of fee payment: 6 |
|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090621 Year of fee payment: 7 |
|
| LAPS | Cancellation because of no payment of annual fees |