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    • 1. 发明授权
    • Adaptive frequency touchscreen controller employing digital signal processing
    • 采用数字信号处理的自适应频率触摸屏控制器
    • US06473075B1
    • 2002-10-29
    • US09408591
    • 1999-09-29
    • Paulo Irulegui GomesShigeki KambaraHiroshi KanedaJoel KentArie Ravid
    • Paulo Irulegui GomesShigeki KambaraHiroshi KanedaJoel KentArie Ravid
    • G09G500
    • G06F3/0418G06F3/0436
    • A method and apparatus for adapting an acoustic touchscreen controller to the operating frequency requirements of a specific touchscreen are provided. The adaptive controller can either utilize look-up tables to achieve the desired output frequency or the it can use a multi-step process in which it first determines the frequency requirements of the touchscreen, and then adjusts the burst frequency characteristics, the receiver circuit center frequency, or both in accordance with the touchscreen requirements. In one embodiment, the adaptive controller compensates for global frequency mismatch errors. In this embodiment a digital multiplier is used to modify the output of a crystal reference oscillator. The reference oscillator output is used to control the frequency of the signal from the receiving transducers and/or to generate the desired frequency of the tone burst sent to the transmitting transducers. In another embodiment that is intended to compensate for both global and local frequency variations, the adaptive controller uses a digital signal processor. The digital signal processor, based on correction values contained in memory, defines a specific center frequency which preferably varies according to the signal delay, thus taking into account variations caused by localized variations in the acoustic wave reflective array. In yet another embodiment, a non-crystal local oscillator is used to provide the reference signal in the adaptive controller. The use of such an oscillator allows the controller to be miniaturized to a sufficient extent that it can be mounted directly to a touchscreen substrate. A feedback loop is used to compensate for oscillator drift. A discriminator circuit determines the degree of deviation from the desired frequency. The output from the discriminator is used to adjust the frequency of the local oscillator such that it tracks the frequency of the touchscreen.
    • 提供了一种用于使声学触摸屏控制器适应特定触摸屏的操作频率要求的方法和装置。 自适应控制器可以使用查找表来实现期望的输出频率,或者可以使用多步骤过程,其中它首先确定触摸屏的频率要求,然后调整突发频率特性,接收器电路中心 频率或两者均符合触屏要求。 在一个实施例中,自适应控制器补偿全局频率失配误差。 在本实施例中,使用数字乘法器来修改晶体参考振荡器的输出。 参考振荡器输出用于控制来自接收换能器的信号的频率和/或产生发送到发射换能器的音调脉冲串的期望频率。 在旨在补偿全局和局部频率变化的另一实施例中,自适应控制器使用数字信号处理器。 数字信号处理器基于存储器中包含的校正值来定义特定的中心频率,其优选地根据信号延迟而变化,因此考虑到由声波反射阵列中的局部变化引起的变化。 在又一个实施例中,使用非晶体本地振荡器来在自适应控制器中提供参考信号。 使用这种振荡器允许控制器被小型化到足以使其可以直接安装到触摸屏基板上。 反馈回路用于补偿振荡器漂移。 鉴频器电路确定与期望频率的偏差程度。 来自鉴别器的输出用于调整本地振荡器的频率,以便跟踪触摸屏的频率。
    • 4. 发明授权
    • Acoustic touch sensor
    • 声学触摸传感器
    • US07187369B1
    • 2007-03-06
    • US10019587
    • 2000-06-29
    • Shigeki KanbaraHiroshi KanedaKeiichi Kamon
    • Shigeki KanbaraHiroshi KanedaKeiichi Kamon
    • G09G5/00
    • G06F3/0436
    • A coordinate input device of touch-type capable of giving an electric signal to a transducer, even if said transducer is disposed on a back surface of a substrate. The device contains acoustic wave transducers (piezoelectric vibrators), each functioning for oscillating a bulk wave (a first wave) toward a top surface of a substrate; a planar wiring formed on a back surface of the substrate by, e.g., transfer printing with conductive paste, for supplying the piezoelectric vibrator with electric power; diffractive acoustic wave mode couplers, each functioning for converting said bulk wave into a surface acoustic wave (a second wave) and vice versa; and a detector to detect scatter in the surface acoustic wave on the top surface of the substrate. Employing the planar wiring allows the wiring to be disposed even on the back surface of the substrate and also it may resolve the problem of fragility associated with a cable wiring.
    • 即使所述换能器设置在基板的后表面上,也能够向换能器提供电信号的触摸型坐标输入装置。 该装置包括声波换能器(压电振动器),每个声波换能器用于将体波(第一波)振荡到基板的顶表面; 通过例如用导电浆料的转印印刷形成在基板的背面上的平面布线,用于向压电振动器提供电力; 衍射声波模耦合器,各自用于将所述体波转换成表面声波(第二波),反之亦然; 以及检测器,用于检测衬底的顶表面上的表面声波中的散射。 使用平面布线允许布线甚至布置在基板的背面上,并且还可以解决与电缆布线相关的脆弱性的问题。
    • 6. 发明申请
    • Disc cartridge
    • 光盘盒
    • US20060265724A1
    • 2006-11-23
    • US11434730
    • 2006-05-17
    • Kenji HashizumeAkio MomoiHiroshi KanedaSusumu Yanagihara
    • Kenji HashizumeAkio MomoiHiroshi KanedaSusumu Yanagihara
    • G11B17/028
    • G11B23/0308G11B23/0316
    • A disc tray of a disc cartridge includes: a bottom plate in which a tray opening for allowing disc access is formed; a ring-like sidewall that is formed to stand on the outer peripheral portion of the bottom plate; an arc-like opening connecting portion provided to serve as a reinforcement that is continuously formed from a sidewall over a tray opening in the bottom plate; and a convex portion that projects from one circumferential end of the opening connecting portion outward in the radial direction of the disc tray along the sidewall and forms a part of a concave portion for engaging with a drive-side member when the disc tray is rotated, the convex portion is hollow or partially thinned, and a gap S is formed at least between the end of the convex portion and the outer circumferential surface of the opening connecting portion.
    • 盘盒的盘托架包括:底板,其中形成有用于允许盘访问的托盘开口; 形成在所述底板的外周部上的环状侧壁, 弧形开口连接部,其设置为用于从底板中的托盘开口上的侧壁连续形成的加强件; 以及凸部,其从所述开口连接部的一个周向端部沿着所述侧壁向所述盘托架的径向外侧突出,并且当所述盘托架旋转时形成用于与驱动侧部件接合的凹部的一部分, 凸部是中空的或部分变细的,并且至少在凸部的端部与开口连接部的外周面之间形成间隙S.
    • 7. 发明授权
    • Starter having rotation restricting structure
    • 起动器具有旋转限制结构
    • US07010992B2
    • 2006-03-14
    • US10793846
    • 2004-03-08
    • Masahiro KatohKazuo HiramaHiroshi Kaneda
    • Masahiro KatohKazuo HiramaHiroshi Kaneda
    • F16H57/08
    • F02N15/046F02N15/063F02N15/067F16H1/28F16H35/10H02K1/185H02K5/26H02K7/116Y10T74/137
    • A center case has a force-receiving wall and a fixed wall, and is rigidly fixed in a starter. A gear-forming section is coaxially arranged with the center case, and has a forcing wall and a movable wall on the side of the center case. A cushion member is elastically received between the force-receiving wall of the center case and the forcing wall of the gear-forming section. The fixed wall of the center case and the movable wall of the gear-forming section are arranged to have a gap, and oppose each other. When an excessive torque works on the gear-forming section via an internal gear, the cushion member absorbs an impact force to move the movable wall by a predetermined distance. In this case, the movable wall contacts the fixed wall so that a compression rate of the cushion member can be restricted.
    • 中心壳体具有受力壁和固定壁,并刚性地固定在起动器中。 齿轮形成部分与中心壳体同轴地布置,并且在中心壳体的侧面上具有强制壁和可移动壁。 缓冲构件弹性地容纳在中心壳体的受力壁与齿轮形成部分的迫动壁之间。 中心壳体的固定壁和齿轮形成部分的可动壁被布置成具有间隙并且彼此相对。 当过大的扭矩通过内齿轮在齿轮形成部分上工作时,缓冲构件吸收冲击力以将活动壁移动预定距离。 在这种情况下,可动壁与固定壁接触,从而能够限制缓冲构件的压缩率。
    • 8. 发明授权
    • Tape cartridge with matched brake lock and brake release plate
    • 带有匹配制动器锁和制动器释放板的磁带盒
    • US06452748B1
    • 2002-09-17
    • US09562341
    • 2000-05-01
    • Motohiko ShimaHiroshi KanedaMasatoshi Okamura
    • Motohiko ShimaHiroshi KanedaMasatoshi Okamura
    • G11B23107
    • G11B23/043G11B23/107
    • In a tape cartridge of the single-reel type having a hub on which a length of tape is wound, a brake mechanism contained in the hub is movable up and down to apply and release the brake on the tape reel. The brake mechanism and a brake lock release member disposed between it and the hub remain in sliding engagement after the release of the brake, and the resulting friction hampers smooth turning of the hub. Moreover, after the brake lock has been released, the center of the tape reel can be off the center of a rotating shaft of a recorder. The hub of the tape reel has holes formed in its bottom wall for engagement with the brake release plate, the brake release plate is mounted in the hub with legs fitted in the holes of the latter, the brake lock rests on the brake release plate, the brake lock is formed with a dent (or lug) with a spherical end and the brake release plate is formed with a corresponding lug (or dent) with a spherical end on its upper surface. A highly slippery sheet member is interposed between the contacting parts of the brake lock and the brake release plate.
    • 在具有卷绕有长度的带的轮毂的单卷盘型的带盒中,容纳在轮毂中的制动机构可上下移动以将制动器施加并释放在带卷盘上。 设置在其与轮毂之间的制动机构和制动器锁定释放构件在制动器释放之后保持滑动接合,并且由此产生的摩擦妨碍轮毂的平滑转动。 此外,在制动器锁定已经被释放之后,带盘的中心可以离开记录器的旋转轴的中心。带盘的轮毂具有形成在其底壁中的孔,用于与制动器释放板接合, 制动器释放板安装在轮毂中,腿部装配在后者的孔中,制动器锁定在制动器释放板上,制动器锁形成有具有球形端部的凹陷(或凸耳),并且制动器释放板 在其上表面上形成有具有球形端的对应的凸耳(或凹陷)。 在制动锁和制动器释放板的接触部分之间夹有高度光滑的片状部件。
    • 9. 发明授权
    • Tape cartridge
    • 磁带盒
    • US06450432B1
    • 2002-09-17
    • US09657860
    • 2000-09-08
    • Hiroshi KanedaMasatoshi OkamuraShinichi Sato
    • Hiroshi KanedaMasatoshi OkamuraShinichi Sato
    • G11B1566
    • G11B23/26G11B23/107
    • A tape cartridge including a single tape reel around which a length of magnetic tape is wound and which is turnably held within a housing, the beginning of the tape being fixed to a leader so that it can be drawn out through an opening formed in the housing by a tape drawing-out member of a recorder which has a pin-like or hooked end capable of engaging the tape end, said leader comprising a center part (pin-like member) on which the beginning of the tape is wound and a pair of engaging members joined to the upper and lower ends of the member so as to engage the tape drawing-out member of the recorder, said engaging members having a plurality of recesses each for engaging the drawing-out member. Thus the engaging members can consist of members identical in structure. In another embodiment the center member has position-confining portions formed close to its both ends to confine the positions of the engaging members.
    • 一种带盒,包括单个磁带卷盘,围绕该磁带卷绕一段长度的磁带并将其可转动地保持在壳体内,磁带的开始部分被固定到引导件,使得其可以通过形成在壳体中的开口 通过具有能够与带端接合的销状或钩状端的记录器的磁带引出部件,所述引导件包括其上缠绕有磁带的开始的一个中心部分(销状部件)和一对 所述接合构件与所述构件的上端和下端接合,以与所述记录器的所述带拉出构件接合,所述接合构件具有多个用于接合所述拉出构件的凹部。 因此,接合构件可以由结构相同的构件组成。 在另一个实施例中,中心构件具有靠近其两端形成的位置限制部分,以限制接合构件的位置。