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    • 6. 发明授权
    • Optical pickup device and optical disc recording and/or reproducing apparatus
    • 光学拾取装置和光盘记录和/或再现装置
    • US06430143B1
    • 2002-08-06
    • US09538701
    • 2000-03-30
    • Yoshihiro KajiyamaJunzo KumakuraYasuo OsadaToshiyuki KuroiwaHideo NagasakaKaneshiro KondoYutaka ShimadaKatsuo MatsumotoHiroshi IshizekiShuichi HirosawaYoshio Sugihara
    • Yoshihiro KajiyamaJunzo KumakuraYasuo OsadaToshiyuki KuroiwaHideo NagasakaKaneshiro KondoYutaka ShimadaKatsuo MatsumotoHiroshi IshizekiShuichi HirosawaYoshio Sugihara
    • G11B712
    • G11B7/121
    • An optical pickup device for recording and/or reproducing the information on or from an optical disc. The optical pickup device includes a cover plate for covering said through-hole of said lid when said optical pickup unit is moved by said optical pickup feed unit until the objective lens is located outwardly of the optical disc loaded on said disc rotating driving unit; an abutting portion provided on one of said lid and the cover plate, said abutting portion causing movement of said cover plate in a direction away from the objective lens when said optical pickup unit is moved by said optical pickup feed unit so that said objective lens is positioned outwardly of said optical disc; and an engagement portion provided on the other of said lid and the cover plate, said engagement portion engaging with said abutting portion when, after said cover plate is moved by said abutting portion in a direction away from the objective lens, the optical pickup unit is further moved to outwardly of the optical disc by said optical pickup unit. The optical pickup unit is held in stability on an outer rim side of the optical disc, whilst it is possible to prevent dust and dirt from being intruded inti its inside.
    • 一种用于在光盘上记录和/或再现信息的光学拾取装置。 所述光学拾取装置包括盖板,用于当所述光学拾取单元被所述光学拾取器馈送单元移动时覆盖所述盖子的所述通孔,直到物镜位于装载在所述盘旋转驱动单元上的光盘的外侧; 所述抵接部分设置在所述盖和所述盖板中的一个上,当所述光学拾取单元被所述光学拾取器馈送单元移动时,所述抵接部分使所述盖板沿远离所述物镜的方向移动,使得所述物镜定位 在所述光盘的外面; 安装在所述盖和盖板的另一个上的接合部分,当所述盖板在远离物镜的方向上被所述抵接部分移动之后,所述接合部分与所述抵接部分接合,所述光学拾取单元进一步 通过所述光学拾取单元移动到光盘的外部。 光学拾取单元在光盘的外缘侧保持稳定,同时可以防止灰尘和灰尘进入其内部。
    • 7. 发明授权
    • Disk cartridge loading device for recording and/or reproducing apparatus
    • 用于记录和/或再现装置的磁盘盒装载装置
    • US06118618A
    • 2000-09-12
    • US676196
    • 1996-07-17
    • Junzo Kumakura
    • Junzo Kumakura
    • G11B17/04G11B21/12
    • G11B17/043G11B17/0434G11B17/0436G11B21/12
    • A disc cartridge loading device for a recording medium utilizes a cartridge holder for holding a disc cartridge used as a recording medium for information signals. The cartridge holder performs a movement operation when moved from a first position permitting insertion/withdrawal of the disc cartridge to a second position for loading the disc cartridge into a loading portion of a recording/reproducing apparatus. The loading device further comprises a vertical movement operation mechanism including a vertical movement operation plate for allowing vertical movement of the cartridge holder with respect to the loading portion.
    • PCT No.PCT / JP95 / 02360 Sec。 371日期:1996年7月17日 102(e)日期1996年7月17日PCT 1995年11月17日PCT PCT。 WO96 / 16403 PCT出版物 日期1996年5月30日用于记录介质的盘盒装载装置利用盒保持器来保持用作信息信号的记录介质的盘盒。 当从允许插入/取出盘盒的第一位置移动到用于将盘盒装入记录/再现装置的装载部分的第二位置时,盒式存储器执行移动操作。 装载装置还包括垂直移动操作机构,其包括垂直移动操作板,用于允许盒保持器相对于装载部分的垂直移动。
    • 8. 发明授权
    • Disk changer player with stocker between loading/unloading position and
reproducing unit
    • 带有储存器的装载/卸载位置和再现单元之间的换盘器播放器
    • US5384760A
    • 1995-01-24
    • US36524
    • 1993-03-24
    • Junzo Kumakura
    • Junzo Kumakura
    • G11B17/26G11B17/22
    • G11B17/26
    • In a reproducing apparatus accommodating a plurality of recording mediums and reproducing a selected recording medium from the plurality of recording mediums, the recording medium is stored and is selectively reproduced by a more simplified operation method allowing a size reduction in the reproducing apparatus. A storage of a stack of holding means for holding recording mediums is moved by a displacing means in the stacking direction to move a selected holding means to a transportable position, from which transportable position the selected holding means may be ejected by motion in one direction or may be moved into a position appropriate for reproduction by motion in the opposite direction.
    • 在容纳多个记录介质并从多个记录介质再现所选择的记录介质的再现装置中,记录介质被存储并通过更简化的操作方法再现,从而允许再现设备的尺寸减小。 用于保持记录介质的保持装置的堆叠的存储器通过位移装置在堆叠方向上移动,以将所选择的保持装置移动到可移动位置,从所述可移动位置移动所选择的保持装置可以通过在一个方向上的运动而弹出, 可以通过相反方向的运动而移动到适于再现的位置。
    • 9. 发明授权
    • Disc recording and/or reproducing devices with disc exchanging function
    • 具有盘交换功能的光盘记录和/或再现装置
    • US06396794B1
    • 2002-05-28
    • US08939261
    • 1997-09-29
    • Tàkashi TsugamiAkihisa InataniJunzo Kumakura
    • Tàkashi TsugamiAkihisa InataniJunzo Kumakura
    • B11B1704
    • G11B17/30G11B17/043G11B23/0311
    • A recording and reproducing device adapted to a cartridge accommodating a recordable optical disc includes a holder arranged to a device main body and having an opening formed on the front side of the device main body and for holding the cartridge inserted from the opening thereof. A recording and reproducing part is arranged to record and reproduce information on the disc, and a carrier is movably arranged between the holder and the recording and reproducing part for transferring the cartridge from the holder to the part. A locking unit arranged to lock the cartridge held by the holder includes a lock lever including a first protrusion engaged with the cartridge normally inserted from the opening of the holder and a second protrusion for preventing error insertion of the cartridge therefrom.
    • 适用于容纳可记录光盘的盒的记录和再现装置包括:设置在装置主体上并具有形成在装置本体的前侧上并用于保持从其开口插入的盒的保持器的保持器。 记录和再现部分被布置成在盘上记录和再现信息,并且载体可移动地布置在保持器和记录和再现部分之间,用于将盒从保持器传送到部件。 锁定单元,被布置成锁定由保持器保持的盒子,包括锁定杆,该锁定杆包括与通常从保持器的开口插入的卡盘接合的第一突起和用于防止墨盒错误插入的第二突起。