公开(公告)号：US6154613A

公开(公告)日：2000-11-28

申请号：US234582

申请日：1994-04-28

申请人： Tohru Kawai

发明人： Tohru Kawai

IPC分类号： G03B9/02 ,  G03B7/00

CPC分类号： G03B7/00

摘要： An optical apparatus having a diaphragm device required to have the full-open aperture thereof varied according to zooming includes a zoom detection part for detecting the state of zooming, the diaphragm device including a motor serving as a drive source to drive a diaphragm member for varying the aperture diameter thereof, and a control circuit arranged to vary the full-open aperture diameter by driving the motor of the diaphragm device on the basis of detection information provided by the zoom detection part.

摘要翻译： 具有根据变焦使其全开孔径需要变化的光阑装置的光学装置包括用于检测变焦状态的变焦检测部分，该光阑装置包括用作驱动源的电动机，以驱动用于变化的膈肌部件 基于由变焦检测部提供的检测信息，通过驱动隔膜装置的马达来改变全开孔直径的控制电路。

公开(公告)号：US4589753A

公开(公告)日：1986-05-20

申请号：US670741

申请日：1984-11-13

申请人： Tohru Kawai

发明人： Tohru Kawai

IPC分类号： G03B7/095 ,  G02B7/04 ,  G02B7/08 ,  G02B7/09 ,  G03B3/00 ,  G03B9/02 ,  H02K37/24 ,  H02P8/14 ,  G03B3/10

CPC分类号： G02B7/08

摘要： A lens mounting having a control sleeve rotatable for axially moving a focusing lens member and a ring for driving diaphragm blades with a reversible motor incorporated therein, whereby focusing is operated when the motor rotates in one of the clockwise and counterclockwise directions, and the diaphragm is closed down when in the other direction.

摘要翻译： 一种透镜安装件，其具有可旋转的轴向移动聚焦透镜构件的控制套筒和用于驱动光阑叶片的环，其具有并入其中的可逆电动机，由此当电动机沿顺时针和逆时针方向之一旋转时，聚焦被操作，并且隔膜是 在另一个方向关闭。

公开(公告)号：US4384767A

公开(公告)日：1983-05-24

申请号：US274305

申请日：1981-06-16

申请人： Tohru Kawai

发明人： Tohru Kawai

IPC分类号： G02B7/02 ,  G03B11/04 ,  G02B11/04

CPC分类号： G03B11/045

摘要： A clamping device for a camera accessory such as a hood includes a generally tubular attachment portion forming a part of the accessory for attachment to a camera lens mount or a pre-assembled, telescoping hood arranged on a lens mount. A number of projecting members extend radially inwardly from the inner circumference of the attachment portion to contact the outer periphery of the lens mount or pre-assembled hood. An engagement member extends through the attachment portion and is urged by a spring to contact the outer periphery of the lens mount or pre-assembled hood so that the engagement member, together with the projecting members, operate to fix the accessory on the lens mount or pre-assembled hood.

摘要翻译： 用于诸如罩的相机附件的夹紧装置包括形成附件的一部分的大致管状的附接部分，用于附接到安置在镜头座上的相机镜头支架或预组装的伸缩罩。 多个突出构件从附接部分的内周向径向向内延伸以接触透镜座或预组装罩的外周。 接合构件延伸穿过附接部分并被弹簧推动以接触透镜支架或预组装罩罩的外周，使得接合构件与突出构件一起操作以将附件固定在镜头座上或 预装罩

公开(公告)号：US4320951A

公开(公告)日：1982-03-23

申请号：US162325

申请日：1980-06-23

申请人： Tohru Kawai

发明人： Tohru Kawai

IPC分类号： G03B9/02 ,  G03B17/14 ,  G03B17/00

CPC分类号： G03B17/14

摘要： An extension tube or barrel which can be connected between a camera body and an interchangeable lens assembly includes a tubular body arranged to be coupled at one end to the camera body and at its other end to the lens assembly. A member within the tubular body is provided for engaging a diaphragm actuating member in the lens assembly in response to movement of an actuating member in the camera body. The extension tube also includes an arrangement for interchanging the positional relationship between the actuating member in the lens assembly and the member in the extension tube when the tubular body is either coupled to or uncoupled from the camera body. Thus, mechanical interference between the actuating member in the camera body and the corresponding member in the extension tube is avoided when the tubular body is placed against the lens mount of the camera and rotated during coupling or uncoupling of the extension tube.

摘要翻译： 可以连接在照相机主体和可互换镜头组件之间的延伸管或筒体包括管状主体，其被布置成一端连接到相机主体并且在另一端连接到镜头组件。 管状体内的构件被设置用于响应于致动构件在照相机主体中的移动而与透镜组件中的光阑致动构件接合。 延伸管还包括用于当管状体耦合到照相机主体或从照相机主体分离时，将透镜组件中的致动构件与延伸管中的构件之间的位置关系互换的装置。 因此，当将管状体抵靠照相机的透镜支架放置并在延伸管的联接或解耦期间旋转时，可以避免照相机主体中的致动构件与延伸管中的对应构件之间的机械干涉。

公开(公告)号：US4963000A

公开(公告)日：1990-10-16

申请号：US326679

申请日：1989-03-21

申请人： Tohru Kawai

发明人： Tohru Kawai

IPC分类号： G02B7/04 ,  G02B7/08

CPC分类号： G02B7/08

摘要： A lens barrel includes a vibratory-wave motor whose stator is in frictional contact with its rotor and which has a hollow core to admit passage of a light beam, a lens group held by an axially movable lens holder, a drive mechanism for axially moving the lens holder, a rotatable manual ring, and a clutch for selecting either one of the rotor and the manual ring to transmit its rotation to the drive mechanism, the clutch having a plurality of axially movable members arranged upon movement in a direction to establish a transmission for the rotation of the rotor to the drive mechanism or upon movement to the opposite direction to establish a transmission for the rotation of the manual ring to the drive mechanism.

摘要翻译： 透镜镜筒包括一个振动波马达，其定子与其转子摩擦接触，并且具有中空芯以允许光束通过，由轴向可移动的透镜架保持的透镜组，用于轴向移动的驱动机构 透镜支架，可旋转的手动环，以及用于选择转子和手动环中的任何一个以将其旋转传递到驱动机构的离合器，离合器具有多个可沿轴向移动的构件， 用于使转子旋转到驱动机构，或者在向相反方向移动时建立用于使手动环转动到驱动机构的传动装置。

公开(公告)号：US4697891A

公开(公告)日：1987-10-06

申请号：US646633

申请日：1984-08-31

申请人： Tohru Kawai

发明人： Tohru Kawai

IPC分类号： G02B7/08 ,  G02B7/09 ,  G02B7/28 ,  G02B7/11 ,  G02B15/14

CPC分类号： G02B7/282

摘要： The present invention discloses a focal length variable lens apparatus in which a focal length variable lens system has a magnification varying system which, upon movement causes variation of the focal length of the entire system and a compensating system for compensating for the shift of an image plane resulting from the change of the focal length. The apparatus is provided with first computing apparatus for computing the position of the compensating system in accordance with the computed compensation obtained from information from the position of said magnification varying system moved position, second computing apparatus for computing the position of the compensating system in accordance with optically sensed image sharpness, and sequence control apparatus for initiating operation of the second computing apparatus after operation of the first computing apparatus.

摘要翻译： 本发明公开了一种焦距可变透镜装置，其中焦距可变透镜系统具有倍率变化系统，其在运动时引起整个系统的焦距的变化，以及用于补偿像平面偏移的补偿系统 由焦距变化引起的。 该装置设置有第一计算装置，用于根据从所述放大倍数变化系统移动位置的位置获得的计算的补偿来计算补偿系统的位置;第二计算装置，用于根据所述补偿系统的位置计算补偿系统的位置; 光学感测图像清晰度，以及用于在第一计算装置操作之后启动第二计算装置的操作的顺序控制装置。

公开(公告)号：US4596454A

公开(公告)日：1986-06-24

申请号：US532583

申请日：1983-09-15

申请人： Tohru Kawai ,  Akiyasu Sumi ,  Hidefumi Notagashira ,  Hiroshi Yamamoto

发明人： Tohru Kawai ,  Akiyasu Sumi ,  Hidefumi Notagashira ,  Hiroshi Yamamoto

IPC分类号： G03B17/14 ,  H05K1/11

CPC分类号： G03B17/14 ,  G03B2217/002 ,  H05K1/118

摘要： An electrical signal transmission arrangement in a photographic lens barrel which is principally composed of an adapter member arranged to be non-rotatably carried by a camera body and a lens body arranged to be rotatable around an optical axis relative to the adapter member and which is equipped for electrical signal transmission between the adapter member and the lens body.

摘要翻译： 摄影镜头镜筒中的电信号传输装置，其主要由布置成由照相机主体不可旋转地承载的适配器构件和透镜主体构成，该镜头主体被布置成围绕相对于适配器构件的光轴可旋转并且被配备 用于适配器构件和透镜体之间的电信号传输。

公开(公告)号：US4460253A

公开(公告)日：1984-07-17

申请号：US379908

申请日：1982-05-19

申请人： Tohru Kawai ,  Makoto Masunaga

发明人： Tohru Kawai ,  Makoto Masunaga

IPC分类号： G03B9/02 ,  G03B7/095 ,  G03B9/07 ,  G05D3/00

CPC分类号： G03B7/095 ,  G03B9/07

摘要： In the disclosed diaphragm device, an electromagnetic unit is composed of two opposing sets of circularly arranged magnets poled so that opposing surfaces have the same polarity, a rotary member carrying an electromagnetic coil that moves the rotary member in response to current therethrough and the field of the magnets, and diaphragm blades which are positioned between the magnet members and the rotary member and pivoted to close the aperture in response to rotation of the rotary member in one direction. When the rotary member is rotating in the closing direction, stopping means respond to an input signal and stop movement of the diaphragm blades at a particular aperture value.

摘要翻译： 在所公开的隔膜装置中，电磁单元由两个相对的圆形排列的磁体组成，以使相对的表面具有相同的极性，旋转构件承载响应于电流而使旋转构件移动的电磁线圈， 所述磁体和光阑叶片位于所述磁性部件和所述旋转部件之间并被枢转以响应所述旋转部件沿一个方向旋转来闭合所述孔。 当旋转构件在关闭方向上旋转时，停止装置响应输入信号并且以特定的孔径值停止光阑叶片的移动。

公开(公告)号：US4458990A

公开(公告)日：1984-07-10

申请号：US289177

申请日：1981-08-03

申请人： Tohru Kawai

发明人： Tohru Kawai

IPC分类号： G02B7/10

CPC分类号： G02B7/10

摘要： An adjusting mechanism for the mechanical mounting arrangement of a lens assembly operative to enable lens components to be axially adjusted for appropriate positioning during the assembly operation of the device. A guide member is provided for guiding a lens mounting member along a linear guide slot in a cylindrical member, the guide member engaging with the guide slot and connected to the lens mounting member. An eccentric adjusting device operates to adjust the axial position of the movable lens mounting member, the structure and arrangement of the eccentric device being such that after appropriate positioning of the movable lens group has been performed, the assembly may be firmly locked in the adjusted position without the danger of inadvertent misalignment.

摘要翻译： 用于透镜组件的机械安装布置的调节机构，其操作以使得透镜部件能够在装置的组装操作期间被轴向调节以适当地定位。 引导构件用于沿圆柱形构件中的直线引导槽引导透镜安装构件，引导构件与引导槽接合并连接到透镜安装构件。 偏心调节装置用于调整可移动透镜安装构件的轴向位置，偏心装置的结构和布置使得在已经执行了可移动透镜组的适当定位之后，组件可以牢固地锁定在调整位置 没有无意的未对准的危险。

公开(公告)号：US4422740A

公开(公告)日：1983-12-27

申请号：US280549

申请日：1981-07-06

申请人： Akiyasu Sumi ,  Tohru Kawai

发明人： Akiyasu Sumi ,  Tohru Kawai

IPC分类号： G02B7/08 ,  G03B3/10

CPC分类号： G02B7/08

摘要： An interchangeable lens assembly comprises a phototaking lens system for imaging an object, an automatic focusing device for detecting the object distance and outputting a signal for moving the lens system to an in-focus position, and a focus adjusting member for moving the lens system along the optical axis. The automatic focusing device includes a distance detector, a motor for generating a drive force to drive the lens system in accordance with an output signal from the distance detector, and a transmission for transmitting the drive force. The focus adjusting member is connected to the lens system and to the transmission, and the lens system is moved in accordance with either the manual rotation of a manually operated portion of the focus adjusting member about the optical axis or by the drive force from the motor through the transmission.

摘要翻译： 可互换透镜组件包括用于对物体成像的摄影透镜系统，用于检测物距的自动对焦装置，并输出用于将透镜系统移动到对焦位置的信号，以及用于使透镜系统沿着 光轴。 自动对焦装置包括距离检测器，用于根据来自距离检测器的输出信号产生驱动透镜系统的驱动力的电动机和用于传递驱动力的变速器。 焦点调节构件连接到透镜系统和透射器，并且透镜系统根据聚焦调节构件的手动操作部分围绕光轴的手动旋转或来自电动机的驱动力而移动 通过传输。