Multitrack magnetic head assembly having a tape-engaging surface
contoured for continuous in-contact recording
    1.
    发明授权
    Multitrack magnetic head assembly having a tape-engaging surface contoured for continuous in-contact recording 失效
    多轨磁头组件具有带状接合表面,用于连续接触记录

    公开(公告)号:US5220473A

    公开(公告)日:1993-06-15

    申请号:US697047

    申请日:1991-05-08

    IPC分类号: G11B5/29

    CPC分类号: G11B5/29

    摘要: A multitrack head assembly has a plurality of magnetic heads arranged side-by-side along a transducing gap line extending across an upwardly facing tape-engaging surface which includes a series of elongated coplanar ribs alternating with low-pressure channels on both sides of and orthogonal to the gap line. For continuous in-contact recording, each rib is aligned with a particular one of the magnetic heads and has a width that is greater than the width of the transducing gap of the head with which it is aligned; furthermore, each rib has a gently curved tape-engaging surface with a radius of curvature R.sub.1 in a direction orthogonal to the gap line and a radius of curvature R.sub.2 in a direction substantially parallel with the gap line, where R.sub.1 and R.sub.2 are not necessarily the same.

    摘要翻译: 多轨头组件具有多个沿着沿着向上表面的带接合表面延伸的换能间隙线并排布置的磁头,该磁导头包括一系列细长的共面肋,其与低压通道在两侧和正交 到间隙线。 对于连续的接触式记录,每个肋与特定的一个磁头对准,并且其宽度大于其对准的头部的换能间隙的宽度; 此外,每个肋具有在与间隙线正交的方向上的曲率半径R1和与间隙线基本平行的方向上的曲率半径R2的轻柔弯曲的带接合表面,其中R1和R2不一定是 相同。

    Longitudinal bending interface for thick film magnetic recording
    2.
    发明授权
    Longitudinal bending interface for thick film magnetic recording 失效
    用于厚膜磁记录的纵向弯曲界面

    公开(公告)号:US5563751A

    公开(公告)日:1996-10-08

    申请号:US437206

    申请日:1995-05-08

    IPC分类号: G11B5/48 G03B17/24 G11B15/60

    CPC分类号: G03B17/24 G03B2217/244

    摘要: A magnetic read/write head suspension assembly for achieving high magnetic head compliance with at least one edge track of the MOF layer of relatively stiff photographic filmstrips particularly during photofinishing operations. The filmstrip has an emulsion layer side opposite to the MOF layer side and exhibits a positive cross-film curvature toward the emulsion side when unrestrained. Filmstrip edge guides including parallel angled channels extending in a film transport path receive the filmstrip edge regions. One or more magnetic read/write head is mounted in the edge guides with the magnetic head gap length oriented in alignment with the angle of the MOF layer of the filmstrip edge region received in the channel and makes compliant line contact of the magnetic head gap with the MOF layer side in the edge region without imparting drag on the central region of the filmstrip. A backing support member formed of an elastic, deformable reed-shaped backing member trapped in a cavity of the edge guide is thereby biased in relation to the magnetic read/write head to make contact with the emulsion layer side of the filmstrip edge region. Channel angles of a positive 20.degree. to 40.degree. transverse to the direction of film transport plane of the filmstrip may be provided to receive an unrestrained filmstrip exhibiting normal, positive cross-film curvature. Alternatively, the filmstrip may be restrained to exhibit a negative cross-film curvature and directed into channels angled at a negative 3.degree. to 7.degree.. In this case, the backing support may be unnecessary.

    摘要翻译: 一种磁读/写磁头悬挂组件,用于实现与磁头相对较硬的照相胶卷片的MOF层的至少一个边缘轨道的高磁头顺应性,特别是在照相洗印操作期间。 胶片具有与MOF层侧相对的乳剂层侧,并且在不受限制时呈现朝向乳液侧的正交叉膜曲率。 包括在胶片传送路径中延伸的平行的倾斜通道的胶片边缘引导件接收胶片边缘区域。 一个或多个磁读/写头安装在边缘引导件中,其中磁头间隙长度定向成与通道中接收的胶片边缘区域的MOF层的角度对准,并使磁头间隙与 边缘区域中的MOF层侧,而不会在胶片的中心区域上施加阻力。 捕获在边缘引导件的空腔中的弹性可变形的簧片状背衬构件形成的背衬支撑构件因此相对于磁性读/写头偏置以与胶片边缘区域的乳剂层侧接触。 可以提供横向于胶片的胶片传送平面方向的正20°至40°的通道角,以接收呈现正常的正横截面弯曲的无限制的胶片。 或者,胶片可以被限制以呈现负横截面的弯曲并且被引导到在3度至7度的负的角度倾斜的通道中。 在这种情况下,可能不需要背衬支撑。

    Magnetics-on-film image area recording head suspension system
    3.
    发明授权
    Magnetics-on-film image area recording head suspension system 失效
    磁片上影像区域记录头悬挂系统

    公开(公告)号:US5555044A

    公开(公告)日:1996-09-10

    申请号:US346705

    申请日:1994-11-30

    IPC分类号: G03B17/24 G11B15/62

    摘要: A photographic still camera for receiving an elongated filmstrip having a cross-film curvature and having a substantially transparent magnetic layer deposited on the film surface and recording or reproducing information on or from the magnetic layer in the image frame areas of the filmstrip. The filmstrip is transported from supply to takeup chambers between film rails and a backing plate past a camera image frame exposure aperture with the magnetic layer facing the backing plate and having a concave cross-film curvature near one side of the exposure aperture. A plurality of inverted gull wing shaped, spring flexure elements are positioned to extend across the magnetic layer at the side of the exposure aperture. Each flexure element has a fixed mounting plate attached to the backing plate coupled through an angled fixed leg to a mounting platform which in turn is coupled through a further angled leg back to a further plate such that the mounting plate is suspended toward the filmstrip magnetic layer. Magnetic recording head elements mounted to the mounting plates contact the magnetic layer across a variable spacing. Pitch motion is provided through the flexible legs in response to changes in filmstrip advancement tension. Roll motion compliance with the concave cross-film curvature is provided by a mounting platform gimball mechanism.

    摘要翻译: 一种照相静态照相机,用于接收具有交叉影片曲率并且具有沉积在胶片表面上的基本上透明的磁性层的细长胶片并在胶片的图像帧区域中或从磁性层上记录或再现信息。 电影胶片从胶片轨道和背板之间的电源传送到摄像机图像帧曝光孔,磁性层面向背板并且在曝光孔的一侧附近具有凹交叉膜曲率。 多个倒置的鸥翼形弹簧挠曲元件被定位成在曝光孔的侧面延伸穿过磁性层。 每个挠曲元件具有固定的安装板,该固定安装板通过成角度的固定的腿连接到背板上,安装平台通过另一个成角度的支腿而联接到另一个板上,使得安装板悬挂在胶片磁性层 。 安装到安装板的磁记录头元件跨越可变间隔接触磁性层。 响应于胶片前进张力的变化,通过柔性支脚提供间距运动。 滚动运动符合凹交叉膜曲率由安装平台弹珠机构提供。

    Magnetics-on-film image area recording head and interface
    4.
    发明授权
    Magnetics-on-film image area recording head and interface 失效
    磁片上的图像区域记录头和界面

    公开(公告)号:US5502528A

    公开(公告)日:1996-03-26

    申请号:US333532

    申请日:1994-11-02

    IPC分类号: G03B17/24 G11B5/31 G11B15/60

    摘要: A photographic still camera for receiving an elongated filmstrip having a cross-curvature in the cross film direction across said filmstrip and having a substantially transparent magnetic layer deposited on the film surface and for recording or reproducing information on or from the magnetic layer in the image area in and relation to the exposure of image frames of the filmstrip. A magnetic head is formed of a plurality of frustums including inner frustums supporting a plurality of active head gaps in an interior region and at least one further outer frustum on each side of the inner frustums in the cross film direction. The frustums and active head gaps have a contoured height profile in the cross film direction positioned to penetrate the film plane and to wrap the filmstrip around the frustums in a cavity in the film transport path, the contoured height profile in the cross film direction ensuring elastic compliance of the active head gaps with the magnetic on film layer tracks, with or without applied film tension or film compression. Contouring is effected by lapping the head mounted in the film transport path to approximate the cross-curvature of the filmstrip.

    摘要翻译: 一种照相静态照相机,用于接收在横跨薄膜方向上横跨所述胶卷并具有沉积在胶片表面上的基本上透明的磁性层并用于在图像区域中或从磁性层记录或再现信息的细长胶片 与影片的图像帧的曝光有关。 磁头由多个平截头体形成,包括支撑内部区域中的多个有效头部间隙的内部平截头体和在横截面膜方向上的内部截头锥体的每一侧上的至少一个另外的外截头锥体。 截头锥体和主动头部间隙具有在横向膜方向上的成形高度轮廓,其定位成穿透膜平面并且将胶片包裹在膜输送路径中的空腔中的平截头体周围,横截面膜方向上的轮廓高度轮廓确保弹性 活性头间隙与磁性膜层轨迹的一致性,有或没有施加膜张力或膜压缩。 轮廓通过研磨安装在胶片传送路径中的头部来近似胶片的横向曲率来实现。

    Magnetics-on-film image area recording head with film flattening
emulsion side support
    5.
    发明授权
    Magnetics-on-film image area recording head with film flattening emulsion side support 失效
    磁片上影像区域记录头,胶片平整乳液侧面支撑

    公开(公告)号:US5519464A

    公开(公告)日:1996-05-21

    申请号:US346995

    申请日:1994-11-30

    IPC分类号: G03B17/24 G11B5/48

    CPC分类号: G03B17/24 G03B2217/244

    摘要: Magnetic recording and/or reproducing heads particularly for use for recording and reading information on a magnetics-on-film (MOF) layer in the image area of photographic filmstrips exhibiting a cross-film curvature in cameras or other filmstrip handling apparatus. A magnetic record/reproduce multi-head array is formed of a plurality of magnetic head elements mounted to extend across the width of the filmstrip and across the filmstrip image frame area, each head element contacting the magnetic layer at a predetermined cross-film position in a film transport path. The surfaces of the head elements aligned to contact the filmstrip magnetic layer are burnished or lapped by an abrasive tape lapping of the head as a final contouring operation on the head to remove all edges that can scrape or scratch the magnetic surface of the filmstrip. An elongated, compliant backing support, e.g. a free wheeling roller, pad or brush, having a low friction contact surface, is positioned to bear against the filmstrip emulsion layer opposite to the multi-head array. Light pressure is applied through the backing support to conform the filmstrip magnetic layer to the magnetic head elements in the cross-film and film advance directions.

    摘要翻译: 特别是用于记录和读取在相机或其他胶片处理装置中呈现横截面弯曲度的照相胶卷片的图像区域中的胶片上(MOF)层上的信息的磁记录和/或再现头。 磁记录/再现多头阵列由多个磁头元件形成,多个磁头元件安装成跨越胶片的宽度延伸并穿过胶片图像框区域,每个头元件在预定的横向位置处接触磁性层 电影传输路径。 对准以接触胶片磁性层的头部元件的表面通过头部的研磨带研磨抛光或研磨,作为头部上的最终轮廓加工操作,以去除可能刮擦或刮擦胶片的磁性表面的所有边缘。 细长的,顺从的背衬支撑,例如。 具有低摩擦接触表面的自由的滚轮,垫或刷子定位成抵靠与多头阵列相对的胶片乳剂层。 通过背衬支撑件施加轻压,以使胶片磁性层在交叉膜和膜前进方向上与磁头元件一致。

    Magnetics-on-film, multi-track image area interleaved record/reproduce
system
    6.
    发明授权
    Magnetics-on-film, multi-track image area interleaved record/reproduce system 失效
    磁片上电影,多轨影像区域交错记录/复制系统

    公开(公告)号:US5634158A

    公开(公告)日:1997-05-27

    申请号:US661536

    申请日:1996-06-11

    IPC分类号: G03B17/24 G11B5/008 G11B5/48

    摘要: Magnetic recording and/or reproducing schemes and systems particularly for use for recording and/or reproducing information in data tracks of a magnetics-on-film (MOF) layer in the image area of a photographic filmstrip in a camera or in other photographic equipment. Recording of a photographic data set related to captured images is effected in n lengthwise extending, total interleaved tracks effected in the alternative by a single one or plural magnetic head array(s) of m magnetic recording heads arranged to extend across the filmstrip width and positioned in the camera alongside the photographic image frame gate. In one embodiment, the photographic data set is prepared in n/m data sub-sets, and a stepping mechanism is provided for stepping the magnetic head array between n/m positions to effect the recording of each data sub-set in the respective sub-set of m interleaved tracks such that the full data set is recorded in a single image frame area or in a single sub-set of m tracks extending for more than one image frame. In a further embodiment, n/m head arrays of m recording heads are fixedly mounted in the camera in a staggered fashion so that the n/m data sub-sets are recorded in the n/m sub-sets of m interleaved tracks. The n/m recording heads may be mounted on one side or on both sides of the photographic image frame gate.

    摘要翻译: 磁记录和/或再现方案和系统,特别是用于在相机或照相设备中的照相胶卷的图像区域中的磁片上(MOF)层的数据轨道中记录和/或再现信息。 与拍摄图像有关的摄影数据集的记录在n个纵向延伸的总交错轨迹中实现,该轨迹是通过m个磁记录头的单个一个或多个磁头阵列实现的,排列成跨越胶卷宽度并定位 在照相机旁边的摄影图像帧门。 在一个实施例中,以n / m数据子集准备摄影数据集,并且提供了一个步进机构,用于在n / m个位置之间对磁头阵列进行步进,以实现各个子组中每个数据子集的记录 一组m个交错轨道,使得全数据集被记录在单个图像帧区域中,或者记录在用于多于一个图像帧的m个轨道的单个子集中。 在另一实施例中,m个记录头的n / m个磁头阵列以交错的方式固定地安装在相机中,使得n / m数据子集被记录在m个交错磁道的n / m个子集中。 n / m记录头可以安装在摄影图像帧门的一侧或两侧。

    Magnetics-on-film image area recording head and suspension system
    7.
    发明授权
    Magnetics-on-film image area recording head and suspension system 失效
    磁片上的影像区域记录头和悬挂系统

    公开(公告)号:US5555043A

    公开(公告)日:1996-09-10

    申请号:US346997

    申请日:1994-11-30

    IPC分类号: G03B17/24

    CPC分类号: G03B17/24 G03B2217/244

    摘要: A photographic still camera for receiving an elongated filmstrip having a cross-film curvature and having a substantially transparent magnetic layer deposited on the film surface and for recording or reproducing information on or from the magnetic layer in relation to the exposure of image frames of the filmstrip. The filmstrip is transported from supply to takeup chambers between film rails and a backing plate past a camera image frame exposure aperture with the magnetic layer facing the backing plate and having a concave cross-film curvature across the image frame area. A magnetic recording multi-head array formed of a plurality of recording heads mounted on flexure elements of a flexure support is positioned to extend across and contact the magnetic layer in the image frame area at the side of the exposure aperture. Each flexure element includes an elongated, cantilever spring fixed at one end to the backing plate and terminating in a mounting platform having a gimbal mechanism for providing pitch and roll compliance with film motion and the cross-film concave curvature. Each magnetic recording head element is shaped with contoured profiles in the cross-film and film transport directions for ensuring compliance with the filmstrip magnetic layer during roll and pitch motions of the magnetic recording head without causing damage to the filmstrip.

    摘要翻译: 一种照相静物照相机,用于接收具有交叉影片曲率并且具有沉积在胶片表面上的基本上透明的磁性层的细长胶片,并且用于相对于胶片的图像帧的曝光而在磁性层上记录或再现信息 。 胶片从胶片轨道和背板之间的供应部分通过相机图像帧曝光孔传送到磁性层面向背板并且在图像帧区域上具有凹交叉膜曲率。 安装在挠曲支撑件的挠曲元件上的多个记录头形成的磁记录多头阵列被定位成在曝光孔侧面的图像框区域中延伸并接触磁层。 每个弯曲元件包括细长的悬臂弹簧,其一端固定在背板上,并且终止于具有万向节机构的安装平台,该平衡机构用于提供与膜运动和横向膜凹曲率的俯仰和滚动顺应性。 每个磁记录头元件在交叉膜和膜输送方向上成形为具有轮廓的轮廓,以确保在磁记录头的滚动和俯仰运动期间符合胶片磁性层,而不会损坏胶片。

    Bi-directional read while write magnetic head assembly having a wear
avoidance contour
    8.
    发明授权
    Bi-directional read while write magnetic head assembly having a wear avoidance contour 失效
    写入具有磨损避免轮廓的磁头组件时的双向读取

    公开(公告)号:US5034838A

    公开(公告)日:1991-07-23

    申请号:US520433

    申请日:1990-05-08

    CPC分类号: G11B5/4893 G11B15/62

    摘要: A bi-directional magnetic head assembly comprises a first write head adjacent to a read head, adjacent to a second write head. The three heads are in-line, so that the tape engages one or the other write head followed by the read head for either direction of tape motion. The central read head has slots on either side of its transducing region for skiving of entrained air and debris from the tape before the tape engages the transducing element of the read head for either direction of tape travel. On the other hand, each write head has only a single slot for skiving entrained air and debris; a slot being located in each write head structure outboard from the write transducing gap. In reading while writing during bi-directional operation, the write head first approached by the tape for a given direction of motion is the active, writing head. Because the slot is on the outboard side of each write head structure, skiving action occurs prior to the tape reaching the active write transducing gap. However, after the tape successively passes over the writing head and read head, it approaches the second, presently inactive write head from the inboard side of the second write head structure. The approach to the head gap from this direction is over a gently curved, unslotted portion of the second write head. Attendantly, there is minimal skiving action, and entrained air causes the tape to fly without substantially contacting the inactive write structure.

    摘要翻译: 双向磁头组件包括与读头相邻的第一写头,与第二写头相邻。 这三个头是在线的,使得磁带与一个或另一个写头接合,随后读取头用于胶带运动的任一方向。 中央读取头在其传感区域的任一侧具有槽,用于在磁带与磁带行进的任一方向接合读取磁头的转换元件之前,从带中刮除夹带的空气和碎屑。 另一方面,每个写头只有一个槽,用于扫除夹带的空气和碎屑; 位于写入传送间隙外侧的每个写头结构中的槽。 在双向操作期间在写入时读取,写入头首先由磁带接近给定的运动方向是活动的写头。 由于插槽位于每个写入头结构的外侧,所以在磁带到达活动写入传输间隙之前发生扫描动作。 然而,在磁带依次通过写入头和读取头之后,它从第二写入头结构的内侧接近第二个当前不起作用的写入头。 从该方向到头部间隙的方法是在第二写入头的轻柔弯曲的未绘制的部分上。 伴随地,存在最小的刮擦动作,并且夹带的空气导致磁带飞行而基本上不接触不活动的写入结构。