CN1061156C - 一种盒式磁带录像机的磁头 - Google Patents

一种盒式磁带录像机的磁头 Download PDF

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CN1061156C
CN1061156C CN94118860A CN94118860A CN1061156C CN 1061156 C CN1061156 C CN 1061156C CN 94118860 A CN94118860 A CN 94118860A CN 94118860 A CN94118860 A CN 94118860A CN 1061156 C CN1061156 C CN 1061156C
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magnetic head
socket
pair
head
cassette recorder
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CN1122036A (zh
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崔载奎
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WiniaDaewoo Co Ltd
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Daewoo Electronics Co Ltd
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    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/52Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with simultaneous movement of head and record carrier, e.g. rotation of head
    • G11B5/53Disposition or mounting of heads on rotating support
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/10Structure or manufacture of housings or shields for heads
    • G11B5/105Mounting of head within housing or assembling of head and housing

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)

Abstract

本发明公开了一种采用无连线结构的盒式磁带录像机的磁头结构,用以提高其组装工作的效率。该磁头具有一磁头体,其下面有一对卡销,用来从基板通过孔穿过并卡住。在磁头体下面卡销之间有一对磁头体端头,还包括一个插座,其上有用以受钠磁头体端头的一对插座槽,在插座底面有一对插座端头。该插座置于一垫块上,垫块上有一对用于受纳插座端头的槽,该垫块固定在盒式磁带录像机的主印刷电路板上。

Description

一种盒式磁带录像机的磁头
本发明涉及一种一种盒式磁带录像机(VCR)的磁头结构,更具体地说是一种与主印刷电路板(PCB)相连的结构改进的擦除磁头。
一般的,一台盒式磁带录像机包括有多种头结构,如磁擦除头,录像头,音频擦除头,音频控制头等,分别完成各自不同的功能。其中,在录像带由支撑轮传送到卷带轮过程中,当新的图像要录制时,磁擦除头用来擦除录像带上已有的信号。
图1是现有盒式磁带录像机的构成示意图。当录像带(A)以支撑轮2传送到卷带轮3过程中,要在其上录制新的图像信号时,磁擦除头1用来擦除录像带(A)上已在先录制的信号。
前述的磁擦除头固定安装在一主基板上(未示出)并通过连线6与主印刷电路板4电连接。此种装设在主基板上的擦除头已由美国专利No.4517613(授予Narito Shibaike等)所揭示。而且,用以改进擦除功能的磁结构的技术亦由美国专利No.4805058(授予Giichi Takeuchi等)和No.4622614(授予Keitaro Yamashita等)所揭示。在上述专利中所揭示的现有技术的磁擦除头结构提供主印刷电路板4、垫片5、连线6等用以在磁擦除头1与主印刷电路板4之间传送信号。可见,现有技术中磁擦除头与主印刷电路板的连接复杂且组装困难。
因而,本发明目的是提供一种盒式磁带录像机磁头构造,其通过无连线方式构成,使组装更为简单。
为达到上述目的,本发明提供了包含以下部分的盒式磁带录像机的磁头:
一用于在磁带上录像、擦除和/或再现信号数据的磁头部分;
一用于支撑磁头部分的磁头体;
位于磁头体底端的一对彼此分置的卡销,用以形成缩颈而卡入盒式磁带录像机基板上的通孔中;
位于磁头体底面,上述卡销之间的一对向下突出的磁头体端头;
一个上部有一对受纳上述端头的插座槽、底端有一对插座端头的插座;
一固定安装在盒式磁带录像机印刷电路板上的垫块,其上有一对受纳上述插座端头的槽;
由于上述磁头可方便地与主基板相连,组装工作的效率被大大提高了。通过运用上述垫块和插座,主印刷电路板与磁头之间的电连接可不需连接线即可完成,因而盒式磁带录像机的内部结构被简化了。
本发明上述目的及优点将结合附图通过优选实施例给予详细说明:
图1为一示意图,说明了在现有盒式磁带录像机的机械操作情况:
图2为一分解透视图,用以说明本发明的实施例中磁头的连接结构;及
图3为图2所示磁头连接结构的剖面图。
图2为一分解透视图,用以说明本发明的实施例中磁头的连接结构,而图3为图2所示磁头连接结构的剖面图。所示的为一种在盒式磁带录像机中具有磁擦除功能的擦除磁头。
如图2和图3中所示的磁擦除头100包括一磁头体10,用以支撑磁头部分10a来擦除录像带上的已录制信号。在磁头部分10a的下部有一个导块10b用以导引该录像带。在磁头体10下端有一对分置于两侧的卡销11,即分置于磁头体10的左右两部分,用以形成缩颈而卡在基板30上的通孔31中。在卡销11两销之间,磁头体10有一个台形突起,其上有一对被保护于两销之间的向下的磁头体端头12。
在卡销11之间,插有一插座20,其形状适于受纳磁头体端头12。插座20具有与卡销之间的台形突起的形状相吻合的台形凹陷,凹陷内有一对插座槽20a用来受纳上述磁头体端头。在插座20底下有一对突出的插座端头21。在主印刷电路板40上,固定有一垫块50,其上具有一对用来受纳上述插座端头的槽,此垫块50用于受纳端头21并固定插座20。
如上所述,插座20与磁擦除头100是分离安装的,然而,插座20亦可与磁擦除头100底面连接而形成一体。
下面说明磁擦除头100如何装在盒式磁带录像机上。
主印刷电路板40安装在盒式磁带录像机的主基板30(亦可称“平台”)底下。用以在其上固定插座20的垫块50固定在主印刷电路板40上,这样插座20的端头21便可插入垫块50的槽中,如此插座20便被固定在垫块50上。
此后磁擦除头100上的卡销11可插入主基板30上的通孔31,而同时磁头体端头12亦插入插座20,如此便完成了磁擦除头100与主印刷电路板40之间的连接。
当用户想要将磁擦除头100从主基板30上取下时,可以先将插座20从垫块50上取下,然后可同时向里按压卡销11两侧并将磁擦除头100拔出。这样,磁擦除头100便可容易地从主基板30的通孔31中卸下。
此种针对磁擦除头的连接结构同样可以用于盒式磁带录像机内各种头装置与其它部分的连接。
对于本发明来说,由于磁擦除头可以很容易与主基板相连,因而可以提高组装工作的效率。而且,与现有技术中需连接线来连接磁擦除头与主印刷电路板不同的是,本发明使用垫块与插座来完成主印刷电路板与磁擦除头之间的电连接,因而盒式磁带录像机的内部结构被简化了。
上面已就本发明结合其特定实施例予以了具体描述与说明,本领域内的技术人员应该理解,任何形式上和细节上的修改都将仍属于本发明权利要求保护范围之内。

Claims (3)

1.一种用于盒式磁带录像机的磁头,所说磁头包括:
一用于在磁带上录像、擦除和/或再现信号数据的磁头部分;
一用于支撑磁头部分的磁头体;
一对位于所述磁头体底端的彼此分置的卡销,用以形成缩颈而卡入盒式磁带录像机基板上的通孔中;
一对位于所述磁头体底面、上述卡销之间的一对向下突出的磁头体端头;
一个上部有一对受纳所述磁头体端头的插座槽、底端有一对插座端头的插座;
一固定安装在盒式磁带录像机印刷电路板上的垫块,其上有一对受纳所述插座端头的槽。
2.如权利要求1所述的磁头,其上在所述的卡销之间具有一台形突起,所述磁头体端头位于该台形突起上,所述插座上表面具有用于受纳所述台形突起的台形凹陷,而且所述插座槽设置在该台形凹陷的低凹部。
3.如权利要求1所述的磁头,其磁头部分下端还有一个导块,用以导引磁带的运动。
CN94118860A 1993-11-29 1994-11-29 一种盒式磁带录像机的磁头 Expired - Fee Related CN1061156C (zh)

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KR9325464 1993-11-29
KR2019930025464U KR950015299U (ko) 1993-11-29 1993-11-29 비디오 카세트 레코더의 전폭소거헤드 접속구조
KR93-25464 1993-11-29

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KR0127353Y1 (ko) * 1995-02-14 1998-10-15 구자홍 비디오 카세트 레코오더의 전폭소거헤드 조립장치
KR100200597B1 (ko) * 1996-07-15 1999-06-15 윤종용 테이프 레코더의 오디오/콘트롤헤드 접속장치
KR100233014B1 (ko) * 1997-07-25 1999-12-01 윤종용 자기기록 재생기의 전폭소거 헤드 결합구조
US8982511B2 (en) * 2011-05-13 2015-03-17 International Business Machines Corporation Drive for accepting hybrid tape head assembly

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5016130A (en) * 1986-10-24 1991-05-14 Hitachi, Ltd. Retaining device for a magnetic head

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5010432A (en) * 1988-06-28 1991-04-23 Sony Corporation Rotary head drum apparatus comprising resilient electrical connectors

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5016130A (en) * 1986-10-24 1991-05-14 Hitachi, Ltd. Retaining device for a magnetic head

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JP3059650B2 (ja) 2000-07-04
JPH07282401A (ja) 1995-10-27
US5444588A (en) 1995-08-22
KR950015299U (ko) 1995-06-17
CN1122036A (zh) 1996-05-08

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Effective date of registration: 20030418

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