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    • 3. 发明授权
    • Actuator
    • 执行器
    • US06459855B1
    • 2002-10-01
    • US09567478
    • 2000-05-08
    • Akira KosakaJunichi TaniiYoshiharu TanakaShoichi Minato
    • Akira KosakaJunichi TaniiYoshiharu TanakaShoichi Minato
    • G03B1503
    • G03B17/38G03B9/08
    • An actuator applied with shape memory alloy which can be operated in a wide operating temperature range and has a long life time. At a normal ambient temperature, when the first wire of the acting member made of shape memory alloy in which predetermined shape is memorized in advance, is heated, it is transformed to the memorized shape to enable the acting member to be moved. A relative low stress is generated at the first wire and its life-time is not shortened. In the case that the ambient temperature is increased to exceed a transformation starting temperature of the shape memory alloy, the second wire of shape memory alloy is transformed to the memorized shape to generate a high stress at the first wire and to increase the transformation starting temperature of the first wire. With such an arrangement as above, it is possible to operate the actuator applied with the shape memory alloy in a wide operating temperature range.
    • 适用于形状记忆合金的致动器,其可在宽的工作温度范围内操作并且具有长的使用寿命。 在正常环境温度下,当预先形成有预定形状的形状记忆合金制成的作用构件的第一线被加热时,其被转换成记忆形状以使作用构件能够移动。 在第一根导线处产生相对较低的应力,其寿命不会缩短。 在环境温度升高到超过形状记忆合金的变形开始温度的情况下,形状记忆合金的第二丝线被转换为记忆形状,以在第一丝线处产生高应力并增加转变开始温度 的第一根线。 通过上述这样的布置,可以在宽的工作温度范围内对施加有形状记忆合金的致动器进行操作。
    • 4. 发明授权
    • Image shake correcting optical apparatus
    • 图像抖动校正光学装置
    • US6157779A
    • 2000-12-05
    • US320870
    • 1999-05-27
    • Akira KosakaJunichi TaniiYoshihiro HaraYoshiharu TanakaShoichi Minato
    • Akira KosakaJunichi TaniiYoshihiro HaraYoshiharu TanakaShoichi Minato
    • G03B17/00G02B27/64G03B5/00
    • G02B27/646G03B5/00G03B2205/0015G03B2205/0076G03B2217/005
    • To provide an image shake correcting optical apparatus using a small, lightweight engaging mechanism for the correction lens holder engaging mechanism. A ring-shaped engaging member 16 formed of shape memory alloy and having three engaging arms on its inside is located outside a lens holder 11 for a correction lens L3, and the engaging contacts 16b at the tips of the engaging arms 16a are pushed toward the center of the ring-shaped engaging member by means of coil springs 17. The engaging member 16 formed of shape memory alloy has a prescribed memorized shape so that the arms 16a will assume a retracted position, and where no heat is applied, the engaging contacts 16b of the engaging arms press onto the lens holder 11 for the correction lens L3 from the outside due to the spring force of the coil springs 17, and engages with and maintains in place the lens holder 11. Where heat is applied, the engaging arms 16a retract, whereupon the engagement of the lens holder 11 is terminated.
    • 提供一种使用用于校正透镜保持器接合机构的小而轻的接合机构的图像抖动校正光学装置。 由形状记忆合金形成并且在其内部具有三个接合臂的环形接合构件16位于用于校正透镜L3的透镜保持器11的外侧,并且接合臂16a的顶端处的接合触头16b被推向 由形状记忆合金形成的接合构件16具有规定的记忆形状,使得臂16a处于缩回位置,并且在不施加热的情况下,接合触点 16b的接合臂由于螺旋弹簧17的弹力而从外部压到用于校正透镜L3的透镜保持器11上,并且与透镜保持器11接合并保持在适当位置。在施加热量的情况下,接合臂 16a缩回,结束透镜保持架11的接合。
    • 5. 发明授权
    • Lens drive device
    • 镜头驱动装置
    • US06349172B1
    • 2002-02-19
    • US09577965
    • 2000-05-25
    • Yoshiharu TanakaJunichi Tanii
    • Yoshiharu TanakaJunichi Tanii
    • G03B1332
    • G03B13/32
    • A lens drive device that is located inside a camera main body and can drive lenses that are interchangeably mounted to the camera main body, said lens drive device having a coupler that transmits the drive force to the lenses, a drive motor that rotates and drives the coupler, a clutch mechanism that connects and disconnects the coupler and the drive motor, and an encoder that detects the amount of rotation of the coupler while the coupler and the drive motor are disconnected by means of the clutch mechanism.
    • 一种透镜驱动装置,其位于相机主体的内部,并且能够驱动可互换地安装到相机主体的透镜,所述透镜驱动装置具有将驱动力传递到透镜的耦合器,旋转并驱动 耦合器,连接和断开耦合器和驱动电动机的离合器机构,以及在耦合器和驱动电动机通过离合器机构断开连接器时检测耦合器的旋转量的编码器。
    • 7. 发明授权
    • Film feeding device
    • 胶片送料装置
    • US5701531A
    • 1997-12-23
    • US591707
    • 1996-01-25
    • Yoshiharu TanakaJunichi TaniiKatsuhiro Ono
    • Yoshiharu TanakaJunichi TaniiKatsuhiro Ono
    • G03B17/00G03B17/24G03B17/42G03B1/00G03B17/02
    • G03B17/24G03B17/425G03B2217/244
    • A mechanism, for feeding a film with a photographing information magnetic recording area, of a camera. The camera including the mechanism has a cartridge holder inside which a film cartridge housing the film in is set; an aperture for defining an exposure field on the film; a magnetic head for writing/reading the photographing information; a take-up spool around which the film fed from the film cartridge is wound; and a drive motor for feeding the film between the film cartridge and the take-up spool. Both the take-up spool and the magnetic head are installed on one side of the aperture, and both the cartridge holder and the drive motor are installed on the other side, opposite to the one side in view of the film feeding direction, of the aperture. The drive motor is mounted opposite to the aperture relative to the cartridge holder; therefore, a greater distance is secured between the magnetic head and the motor so that an electromagnetic noise generated from the motor during the writing/reading operation by the magnetic head is effectively reduced on a side of the magnetic head.
    • 一种摄像机用于馈送具有拍摄信息磁记录区域的胶片的机构。 包括该机构的照相机具有其中设置有容纳胶片的胶卷暗盒的盒保持器; 用于限定胶片上的曝光场的光圈; 用于写入/读取拍摄信息的磁头; 缠绕从胶卷暗盒送出的胶片的卷取卷轴; 以及用于在胶片暗盒和卷取卷筒之间进给胶片的驱动电机。 卷取卷轴和磁头均安装在孔的一侧,并且盒保持器和驱动马达都安装在与送膜方向相反的一侧的另一侧上 光圈。 驱动马达相对于墨盒保持器安装在孔的相对面上; 因此,在磁头和电动机之间确保更大的距离,使得在磁头的一侧有效地减少在磁头的写入/读取操作期间由电动机产生的电磁噪声。
    • 9. 发明授权
    • Camera including an improved drive mechanism
    • 相机包括改进的驱动机制
    • US06210048B1
    • 2001-04-03
    • US09164575
    • 1998-10-01
    • Yoshiharu TanakaJunichi TaniiIkushi Nakamura
    • Yoshiharu TanakaJunichi TaniiIkushi Nakamura
    • G03B100
    • G03B17/425
    • A camera has at least one motor, a spindle gear (i.e. a gear having a spindle) for rewinding and thrusting a film, a cam that rotates together with the spindle gear when the spindle gear is rotated in a film-rewinding direction and that remains at rest when the spindle gear is rotated in a film-thrusting direction, a direction-limiting mechanism for permitting the spindle gear to rotate in the film-rewinding direction only when the motor is rotating in a forward direction, and a transmission mechanism that comes into contact with the cam when the motor is rotating in a reverse direction and that, when the cam is in one of predetermined rotation positions, engages with and thereby transmits a driving force of the motor to a corresponding one of driven members provided one for each of the predetermined rotation positions. In this camera, paths for transmitting the driving force of the motor are switched by first rotating the spindle gear in the film-rewinding direction to bring the cam into one of the predetermined rotation positions and then reversing a rotation direction of the motor.
    • 照相机具有至少一个电动机,主轴齿轮(即,具有主轴的齿轮),用于重绕和推动胶片;当主轴齿轮沿着胶片倒带方向旋转并且保持时,凸轮与主轴齿轮一起旋转的凸轮 当主轴齿轮沿胶片推动方向旋转时,静止时,只有当电机正向旋转时才允许主轴齿轮沿胶片卷绕方向旋转的方向限制机构和传递机构 当电动机沿相反方向旋转时,与凸轮接触,并且当凸轮处于预定旋转位置之一时,与凸轮接合并由此将电动机的驱动力传递到相应的驱动构件 的预定旋转位置。 在该照相机中,通过首先使胶片重放方向上的主轴齿轮旋转来切换用于传递电动机的驱动力的路径,以使凸轮进入预定旋转位置之一,然后反转电动机的旋转方向。