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热词
    • 1. 发明授权
    • Disc recording and/or reproducing apparatus with a liftable optical
pickup apparatus and coordinated lens shutter
    • 具有可升降光学拾取装置和协调透镜快门的光盘记录和/或再现装置
    • US5995467A
    • 1999-11-30
    • US895509
    • 1997-07-16
    • Masao OhyamaYoshinori Yamamoto
    • Masao OhyamaYoshinori Yamamoto
    • G11B7/12G11B3/58
    • G11B7/121
    • An optical disc recording and/or reproducing apparatus includes a carrier mechanism, an optical pickup apparatus, a shutter and a moving mechanism. The carrier mechanism carries a disc inside and outside the apparatus. The optical pickup apparatus radiates beams on a disc carried by the carrier mechanism. The optical pickup apparatus is provided with an objective lens. The shutter exposes or closes the upper surface of the objective lens. The shutter is provided to the optical pickup apparatus so that the shutter can be moved between a first position for exposing the upper surface of the objective lens and a second position for closing the upper surface of the objective lens. The moving mechanism moves the shutter between the first position and the second position according to recording and/or reproducing operation.
    • 光盘记录和/或再现装置包括载体机构,光学拾取装置,快门和移动机构。 载体机构在设备内部和外部承载盘。 光拾取装置将光束辐射在由载体机构承载的盘上。 光学拾取装置设置有物镜。 快门曝光或关闭物镜的上表面。 快门被提供到光学拾取装置,使得快门可以在用于曝光物镜的上表面的第一位置和用于关闭物镜的上表面的第二位置之间移动。 移动机构根据记录和/或再现操作在第一位置和第二位置之间移动快门。
    • 2. 发明授权
    • Cleaning device for magnetic tape recording and/or reproducing apparatus
    • 用于磁带记录和/或再现装置的清洁装置
    • US5835317A
    • 1998-11-10
    • US765439
    • 1997-01-16
    • Kenji KawakamiMasao Ohyama
    • Kenji KawakamiMasao Ohyama
    • G11B5/41G11B15/665G11B5/127
    • G11B15/6653G11B5/41
    • A cleaning device for a recording and/or reproducing apparatus including a rotary head device having a drum carrying a magnetic head, with a magnetic tape being used as a recording medium. The cleaning device includes a cleaning member abutted against the magnetic head of the rotary head device for cleaning the magnetic head and an actuating mechanism for causing the cleaning member to be abutted against the magnetic head in the rotating state of the rotary head device. The actuating mechanism causes the cleaning member to be abutted against the magnetic head in the rotating state of the rotary drum prior to the loading of the magnetic tape on the rotary head device by the tape loading mechanism, and releases abutment of the cleaning member against the magnetic head when loading the magnetic tape by the tape loading mechanism on the rotary head device. The magnetic head is cleaned each time the magnetic tape is loaded.
    • PCT No.PCT / JP96 / 01332 Sec。 371日期1997年1月16日 102(e)日期1997年1月16日PCT提交1996年5月20日PCT公布。 WO96 / 36962 PCT公开 日期:1996年11月21日一种用于记录和/或再现装置的清洁装置,包括具有带磁头的磁鼓的旋转磁头装置,磁带用作记录介质。 清洁装置包括与旋转头装置的磁头抵接以清洁磁头的清洁构件和用于使旋转头装置的旋转状态下清洁构件抵靠磁头的致动机构。 在通过带装载机构将磁带装入旋转磁头装置之前,致动机构使得清洁部件在旋转磁鼓的旋转状态下与磁头抵接,并且使清洁部件抵靠 通过磁带装载机构在旋转磁头装置上装入磁带时,磁头是磁头。 每次装入磁带时都清洁磁头。
    • 9. 发明授权
    • Magnetic tape cassette with tape protective closure and lock mechanism
    • 带磁带保护闭合和锁定机构的磁带盒
    • US4843510A
    • 1989-06-27
    • US704943
    • 1985-02-25
    • Hiroshi MeguroYoshinori YamamotoMasao OhyamaKenichi HorikawaShigeru MizusawaKenji Kawakami
    • Hiroshi MeguroYoshinori YamamotoMasao OhyamaKenichi HorikawaShigeru MizusawaKenji Kawakami
    • G11B15/675G11B23/087
    • G11B15/675G11B23/08735G11B23/08742
    • A magnetic tape cassette is provided with a pivotal closure lid pivotably secured to both sides of a casing for movement between a closed position, in which the front opening of the casing, through which a magnetic tape is accessible for loading onto a rotary head, is covered, and an open position wherein the closure lid is pivoted away from said opening to expose the tape while the cassette is in use. The magnetic tape cassette is also provided with a sliding closure member slidably mounted on the bottom of the casing and cooperative with the aforementioned pivotal closure lid. The sliding closure member is in a closed position while the pivotal closure lid is in its closed position, in which it covers a bottom clearance through which a device constituting part of a tape holding system is inserted, and in an open position while the pivotal closure lid is in its open position to allow the aforementioned device of the tape handling system to reach into the casing through the bottom clearance. A locking pin holds the sliding closure in the current one of its two positions. The sliding closure holds the pivotal closed while in its own closed position.
    • 磁带盒设置有可枢转地固定到壳体两侧的枢转闭合盖,用于在关闭位置之间移动,在闭合位置之间,磁带可通过该开口加载到旋转磁头上 覆盖和打开位置,其中闭合盖从所述开口枢转离开,以在盒被使用时露出带。 磁带盒还设置有可滑动地安装在壳体的底部并与上述枢转闭合盖协作的滑动关闭构件。 滑动关闭构件处于关闭位置,同时枢转闭合盖处于其关闭位置,其中它覆盖构成磁带保持系统的一部分的装置穿过的底部间隙,并且在枢转闭合位置处于打开位置 盖处于其打开位置,以允许带处理系统的上述装置通过底部间隙进入壳体。 锁定销将滑动闭合件保持在其两个位置中的当前位置。 滑动闭合件在其自身的关闭位置处保持枢转关闭。