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    • 1. 发明授权
    • Magnetic recording apparatus with air vane actuated regulating member
for head slider
    • 具有用于磁头滑块的气动叶片致动调节构件的磁记录装置
    • US5274519A
    • 1993-12-28
    • US728334
    • 1991-07-11
    • Hiroaki SaitoHisashi KanoKiyokazu ImanishiTakao MatsunamiShinji Shuto
    • Hiroaki SaitoHisashi KanoKiyokazu ImanishiTakao MatsunamiShinji Shuto
    • G11B21/22G11B5/54G11B21/12
    • G11B5/54
    • A magnetic recording apparatus includes an arm, an airvane, a regulating member, and an urging member. The arm has a head slider including a magnetic head at a free end thereof, and is moved by an actuator device between a scan position and a stop position. The arm scans a surface of a disk for reading and/or writing information thereon at the scan position. The head slider is elastically supported on the arm by a flexure. The airvane is disposed adjacent to the disk, and is urged to a first position in opposition to a direction of air flow generated by rotation of the disk. The airvane moves in response to air flow generated by rotation of the disk to a second position in the direction of the air flow. The regulating member is provided at a position corresponding to the stop position of the arm and connected with the airvane. The regulating member moves between a regulating position for regulating vertical movement of the flexure by contacting the flexure and a non-regulating position for moving away from the flexure. The urging member urges the airvane to the first position so that the flexure is regulated by the regulating member when the disk is not rotating.
    • 磁记录装置包括臂,气道,调节构件和推动构件。 臂具有在其自由端处包括磁头的磁头滑块,并且通过致动器装置在扫描位置和停止位置之间移动。 臂在扫描位置扫描盘的表面以读取和/或写入信息。 头部滑块通过弯曲弹性地支撑在臂上。 所述气体与所述盘相邻地配置,并且与所述盘的旋转产生的空气流的方向相反地被推动到第一位置。 响应于通过盘的旋转而产生的空气流向气流方向的第二位置移动。 调节构件设置在与臂的停止位置对应的位置并与风向器连接。 调节构件在调节位置之间移动,该调节位置用于通过接触挠曲件和用于远离挠曲件的非限制位置来调节挠曲件的垂直运动。 推动构件将气体推动到第一位置,使得当盘不旋转时,弯曲部由调节构件调节。
    • 2. 发明授权
    • Flexible recording medium tensioning magnetic recording head
    • 柔性记录介质张紧磁记录头
    • US4809105A
    • 1989-02-28
    • US902953
    • 1986-09-02
    • Kiyokazu ImanishiWataru WatanabeKiyoshi Kobata
    • Kiyokazu ImanishiWataru WatanabeKiyoshi Kobata
    • G11B17/34G11B5/48G11B17/32G11B21/20
    • G11B5/4886G11B17/32
    • A magnetic recording and/or reproducing device for recording information on a disc-like magnetic recording medium and/or reproducing the information from it, said magnetic recording and/or reproducing device having a pair of magnetic head members each composed of a magnetic head chip and a slide pad for slidably holding the disc-like magnetic recording medium at its both surfaces between the pair of magnetic head members under a predetermined contact pressure, wherein the slide pad is so disposed as to surround the magnetic head chip and the top portion of the magnetic head chip is so disposed as to protrude by a predetermined amount from a sliding contact surface between the slide pad and the disc-like magnetic recording medium. It makes possible by the magnetic recording and/or reproducing device of the above described type to obtain such a desirable state in which the disc-like magnetic recording medium can be steadily held in contact with the magnetic head chips, since the slide pads act primarily to minimize the warp of the disc-like magnetic recording medium and also the deformation of the disc-like magnetic recording medium which would result from a deviation in position of one or both of the magnetic head members relative to the disc-like magnetic recording medium.
    • 一种用于在盘状磁记录介质上记录信息和/或从其再现信息的磁记录和/或再现装置,所述磁记录和/或再现装置具有一对磁头部件,每个磁头部件由磁头芯片 以及滑动垫,用于在预定的接触压力下在其一对磁头构件的两个表面处可滑动地保持盘状磁记录介质,其中滑动垫被设置成围绕磁头芯片和顶部部分 磁头芯片被布置成从滑动垫和盘状磁记录介质之间的滑动接触表面突出预定量。 通过上述类型的磁记录和/或再现装置可以获得这样的期望状态,其中盘状磁记录介质可以稳定地保持与磁头芯片接触,因为滑动垫主要作用 以最小化盘状磁记录介质的翘曲以及由磁头部件中的一个或两个相对于盘状磁记录介质的位置偏离而导致的盘状磁记录介质的变形 。
    • 6. 发明授权
    • Rotary head assembly
    • 旋转头组件
    • US4525757A
    • 1985-06-25
    • US598548
    • 1984-03-06
    • Kiyokazu ImanishiTakashi IchiyanagiYasuo SakuraiHirouki NakaKoji Nakagawa
    • Kiyokazu ImanishiTakashi IchiyanagiYasuo SakuraiHirouki NakaKoji Nakagawa
    • G11B15/61G11B15/60G11B5/008G11B15/64
    • G11B15/61
    • This invention relates to a rotary head assembly in which a magnetic tape runs while being would helically, consisting of a fixed cylinder 21 having a fixed cylindrical part, and a rotatable rotary member 19 having a diameter approximately equal to that of said fixed cylinder 21, being disposed coaxially with a very small gap and holding a magnetic head 29, wherein pump-out type spiral grooves 20 are provided either partly or wholly on either plane of the confronting planes formed in the relative rotating part between said fixed cylinder 21 and said rotary member 19 in order to create a buoyancy on a running magnetic tape by air pressure not only in the rotary cylinder area but also in the fixed cylinder area, to realize a stable and smooth tape running, and to radically eliminate the tape chirping phenomenon, sticking phenomenon, and tape damage and cylinder wear accompanying sliding.
    • PCT No.PCT / JP83 / 00214 Sec。 371日期1984年3月6日 102(e)日期1984年3月6日PCT提交1983年7月5日PCT公布。 公开号WO84 / 00438 日本1984年2月2日。本发明涉及一种旋转磁头组件,其中磁带沿螺旋状延伸,由具有固定圆柱形部分的固定气缸21和直径约等于 所述固定筒21的外径与非常小的间隙同轴地设置并保持磁头29,其中抽出型螺旋槽20部分地或全部地设置在形成在相对旋转部分中的相对平面的任一平面上, 所述固定筒21和所述旋转构件19,以便不仅在旋转气缸区域中而且在固定气缸区域中通过空气压力在运行磁带上产生浮力,以实现稳定和平稳的带运行,并且从根本上 消除胶带啁啾现象,粘贴现象,胶带损坏和气缸磨损伴随滑动。
    • 7. 发明授权
    • Method of producing a tape guide device of a rotary head type video tape
recorder and the product thereof
    • 旋转磁头型磁带录像机的导带装置的制造方法及其制造方法
    • US4459627A
    • 1984-07-10
    • US379365
    • 1982-05-18
    • Haruhiko KitagawaHiroyuki ItoTakashi IchiyanagiKiyokazu Imanishi
    • Haruhiko KitagawaHiroyuki ItoTakashi IchiyanagiKiyokazu Imanishi
    • B23Q11/00G11B15/61G11B15/60G11B5/08
    • B23Q11/0032G11B15/61
    • A tape guide device of a rotary head type video tape recorder of the helical scanning system including a shoulder portion formed on an outer circumferential surface of a lower stationary cylindrical portion cooperating with an upper rotary cylindrical portion and constituting a head cylindrical drum for guiding a magnetic tape. The shoulder portion has, in a section thereof with which the magnetic tape is not brought into contact, a configuration consisting of a plurality of parabolic lines connected to one another. Alternatively, the offset portion may have a configuration consisting of curves which are such that their second differential coordinates are continuous over the entire circumference of the head cylindrical drum with respect to the fixed coordinate system disposed on the outer circumferential surface of the head cylindrical drum, or the shoulder portion may have a configuration consisting of curves which are such that the absolute value of the maximum value of the second differential coefficients is not equal to the absolute value of the minimum value thereof.
    • 螺旋扫描系统的旋转磁头型录像机的磁带引导装置,包括形成在与上部旋转圆筒部分配合的下部固定圆筒部分的外圆周表面上的肩部,并构成用于引导磁性的头部圆柱形滚筒 胶带。 肩部在其不与磁带接触的部分具有由彼此连接的多个抛物线组成的构造。 或者,偏移部分可以具有由相对于设置在头部圆柱形鼓的外圆周表面上的固定坐标系的头圆柱形鼓的整个圆周上连续的曲线组成的曲线, 或者肩部可以具有由曲线构成的配置,使得第二差分系数的最大值的绝对值不等于其最小值的绝对值。