• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    A recording and/or reproducing apparatus and a magnetic disk cassette having a flexible magnetic disk and a cover for containing the magnetic disk. The cover has a driving hole for driving the flexible magnetic disk from outside of the cover, a recording opening for exposing a recording surface of the flexible magnetic disk, and a cut-out portion provided on one side of the cover for detecting correct installation of the flexible magnetic disk cassette into a recording and/or reproducing apparatus. A shutter is slidably provided on the cover for selectively exposing the recording surface through the recording opening and the cut-out portion when the flexible magnetic disk is ready for use. The recording and/or reproducing apparatus for the flexible magnetic disk cassette includes a driving member engaged with the flexible magnetic disk through the driving hole of the cover for rotating the flexible magnetic disk. A transducing head is contacted with the recording surface of the flexible magnetic disk through the recording opening when the shutter is in an operative position. A projection is provided in the apparatus in facing relation to the cut-out portion of the cover when the flexible magnetic disk cassette is installed correctly.
    公开号:SU1271384A3
    申请号:SU813324202
    申请日:1981-08-13
    公开日:1986-11-15
    发明作者:Цудзи Акира；Ито Садаюки；Фудзимото Казуми
    申请人:Сони Корпорейшн (Фирма)；
    IPC主号:
    专利说明:

    2. A cassette device for magnetic recording of reproduction, containing a magnetic head mounted to move on the chassis, on which the engine is fixed, kinematically connected to a metxlic core rigidly fixed in the central opening of a flexible magnetic disk and placed in prices with a fraral .of the bottom cover of the cassette's dry lid, rigidly connected to its upper bracket, and gate valve, made with inlet openings and mounted with the possibility of opening and closing the opening of the m gnitnoy head krshek upper and lower cassette, with locating notches formed of m and l-12
    However, the upper and lower collars of the cassette casing are made with rectangular guide sockets, in which a slide valve having an 11-section and mounted with a locking protrusion is mounted for movement, and the chassis is fitted with an installation protrusion mounted to in the installation cut-outs of the upper and lower cassette case covers with open holes for inserting the magnetic head, the rectangular direction to the bottom of the cassette case bottom cover is made with a guide groove, which accommodates the locking protrusion of the valve.
    The invention relates to the field of accumulation of information, namely to floppy tape cassettes and to cassette devices for master playback recording.
    The aim of the invention is to reduce the possibility of damage to a flexible magnetic disk,
    Fig, 1 shows a cassette with a flexible magnetic disk; Fig 2 shows the locking protrusion of the valve; on . FIG. 3 tape recorder for magnetic recording - playback. The cartridge contains a valve 1, filled with the inlet holes 2, and a metal core 3 rigidly fixed in the central hole of the flexible magnetic disk 4. The valve is mounted with the possibility of opening and closing the holes 5 and 6 of the magnetic head 7 covers 8 and 9 cassette casing, vpolnennyh; with mounting notches 10. The metal core 3 is located in the central opening 11 of the bottom cover 9 of the cover of the cassette. The top and bottom covers 8 and 9 of the cover of the cassette are curved with rectangular guide slots 12, in which the valve 1 is installed with movement; Figurative section and V1G
    complete with a locking protrusion 13o. The valve 1 is mounted with the possibility of closing the installation cuts 10 of the upper and lower claws 8 and 9 of the
    When the cassette is closed, when the holes 5 and 6 of the input of the magnetic head 7 are closed, the rectangular guide 12 of the lower cover 9 of the cassette casing has a guide groove 14 in which
    the second is placed the locking protrusion 13; valve 1.
    The cassette device contains a mag: thread head 7 mounted for movement on the chassis 15,
    on which the engine 16, kinematically connected with a metal core 3, is strengthened. The chassis 15 is equipped with a mounting protrusion 17 mounted with the possibility of placing 3 installation cuts 10 verX and the bottom covers 8 and 9 of the cassette box with open holes 5 and 6 input magnetic head 7 upper and lower krish1ek cassette casing. The magnetic head is kinematically connected with the stepper motor 18 by means of the carriage 19 and the lead screw 20 with the possibility of moving a radially flexible magnetic disk 4. On the chassis
    ° 15 by means of pins 21 and pillars 22 a rotary cover 23 is fitted, equipped with spring-loaded clamping
    31271
    elements 24, mounted with the possibility of clamping the cassette cover to the ends of the supporting pins 25. In this case, the supporting pins 25 are rigidly fixed to the chassis 15.5
    If the cassette with a flexible magnetic disk is out of the cassette device for magnetic reproduction, then the valve 1 closes the holes 5 and 6 of the magnetic input to the head 7 of the upper and lower covers 8 and 9 of the casing and their mounting notches 10. When you install the magnetic cassette disc into the cassette device for recording recording - playback takes place 15, opening of the holes 5 and 6 of the input of the magnetic head 7 of the upper and
    / "
    / U /
    384. four
    the lower covers 8 and 9 of the casing and their installation cuts 10, the installation protrusion 17 of the chassis 15 is placed in the installation cuts 10 of the upper and lower covers 8 and 9 of the cassette casing. The clamping elements 24 of the swivel cover 23 press the cassette cover of the set with a flexible magnetic disk to the ends of the support pins 25 in the cassette device for magnetic recording of reproduction.
    In the process of recording and reproducing, the motor 16 provides rotation of the flexible magnetic disk 4, and the stepper motor 18 provides the radial movement of the magnetic head 7.
    24
    sixteen
    权利要求:
    Claims (1)
    [1]
    1. A cassette with a flexible magnetic (Disk containing a valve, a full head in the rigidly connected upper and lower covers of the casing, made with installation cutouts, and a metal core rigidly mounted in the Central hole of the lower cover, characterized in that, in order to reduce the possibility damage to the flexible magnetic disk, the upper and lower covers of the casing are made with rectangular guide sockets, in which a valve having a U-shaped cross-section, made with fixing m protrusion and mounted with the possibility of closing the installation cut-outs of the upper and lower covers of the casing with closed input holes of the magnetic head, moreover, the rectangular guide socket of the lower cover of the casing has a guide groove in which there is a swivel mounted with the possibility of opening holes; ass
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    DD202961A5|1983-10-05|
    NZ197971A|1986-01-24|
    CH652522A5|1985-11-15|
    SE8104848L|1982-02-15|
    引用文献:
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    US4060839A|1976-01-07|1977-11-29|Texas Instruments Incorporated|Flexible information storage disc|
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    US4509086A|1982-06-22|1985-04-02|International Business Machines Corporation|Method and apparatus for loading and registering a diskette in a diskette drive|
    JPH0379786B2|1982-06-25|1991-12-19|Sony Corp|
    JPH0370876B2|1982-07-01|1991-11-11|Sony Corp|
    CH655594B|1982-07-19|1986-04-30|
    JPS5939477U|1982-09-06|1984-03-13|
    JPH0210626Y2|1982-09-21|1990-03-15|
    DE3338744C2|1982-10-26|1988-09-22|Mitsumi Electric Co., Ltd., Chofu, Tokio/Tokyo, Jp|
    JPS5999286U|1982-12-21|1984-07-05|
    JPH0434224B2|1983-05-23|1992-06-05|Citizen Watch Co Ltd|
    JPH0459702B2|1983-08-03|1992-09-24|Hitachi Maxell|
    JPH0640428B2|1983-08-24|1994-05-25|日立マクセル株式会社|Disc cartridge|
    EP0320492B1|1983-08-24|1994-11-17|Hitachi Maxell Ltd.|Recording disc cartridge|
    JPS6346927Y2|1984-01-17|1988-12-05|
    JPH0552585B2|1984-02-06|1993-08-05|Sony Corp|
    JPS6341645Y2|1984-02-27|1988-11-01|
    JPH065592B2|1984-03-02|1994-01-19|キヤノン株式会社|Recording or playback device|
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    US6205113B1|1998-08-18|2001-03-20|Iomega Corporation|Plastic clamp with hub and platter for use in disc drive|
    US7874088B2|2008-08-06|2011-01-25|Nikols Michael J|Tray-tag|
    US8286376B2|2008-08-06|2012-10-16|Nikols Michael J|Tray-tag|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    JP1980115307U|JPS6138145Y2|1980-08-14|1980-08-14|
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