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    • 1. 发明专利
    • 圧電アクチュエータ及びレンズ鏡筒
    • 压电致动器和镜筒
    • JP2015008631A
    • 2015-01-15
    • JP2014212110
    • 2014-10-16
    • 株式会社ニコンNikon Corp
    • KUWANO KUNIHIROKANAMITSU YASUHIRO
    • H02N2/00
    • H02N2/001G02B7/04G02B7/08H02N2/101H02N2/14
    • 【課題】異なる2方向の振動をそれぞれ独立した振動として取り出せる圧電アクチュエータを提供する。【解決手段】複数の第1圧電素子と、前記複数の第1圧電素子の互いに向かい合う面によって挟み込まれ、前記複数の第1圧電素子により第1の方向に駆動される第1の部材と、前記第1の部材に設けられた第2圧電素子と、前記第2圧電素子と接して設けられ、前記第2圧電素子により前記第1の方向と交差する第2の方向に駆動される第2の部材と、前記第2の部材と当接して、前記第2の部材が駆動されることにより、前記第1の部材に対して相対移動する第3の部材と、を備える。【選択図】図1
    • 要解决的问题:提供一种能够以两个不同方向作为独立振动取出振动的压电致动器。解决方案:压电致动器包括多个第一压电元件,第一构件由多个第一压电元件的表面保持 彼此面对并由第一方向上的多个第一压电元件驱动,设置在第一构件中的第二压电元件,与第二压电元件接触并且由第二压电元件沿第二方向交叉驱动的第二构件 第一方向和相对于第一构件移动的第三构件,通过抵靠第二构件并驱动第二构件。
    • 3. 发明专利
    • Imaging device, content generation system, and content generation method
    • 成像装置,内容生成系统和内容生成方法
    • JP2013206242A
    • 2013-10-07
    • JP2012075797
    • 2012-03-29
    • Nikon Corp株式会社ニコン
    • KUWANO KUNIHIRO
    • G06F13/00G06T15/00
    • PROBLEM TO BE SOLVED: To generate a mobile content of a high quality.SOLUTION: An electronic camera 11 is configured to comprise: generating three-dimensional data on the basis of a photographing image; converting a generated three-dimensional data into two-dimensional image data; and transmitting converted two-dimensional image data to a PC12. The PC12, which is connected to a server 13 over an Internet 15, uploads the two-dimensional image data to the server 13. The server 13 receives the two-dimensional image data from the PC12 over the Internet 15 to be converted into a content of a format in accordance with a type of a communication terminal preliminarily registered for each subscriber and transmits a converted content to a communication terminal 14. The communication terminal 14, which is connected to the server 13 over the Internet 15, stores a received content and uses a stored content according to a usage purpose.
    • 要解决的问题:产生高质量的移动内容。解决方案:电子照相机11被配置为包括:基于拍摄图像生成三维数据; 将生成的三维数据转换为二维图像数据; 并将转换的二维图像数据发送到PC12。 通过因特网15连接到服务器13的PC12将二维图像数据上传到服务器13.服务器13通过因特网15从PC12接收二维图像数据,以转换成内容 根据对每个用户预先注册的通信终端的类型进行格式化,并将转换的内容发送到通信终端14.通过因特网15连接到服务器13的通信终端14存储接收到的内容,并且 根据使用目的使用存储的内容。
    • 5. 发明专利
    • Vibration actuator, lens barrel, camera, and method for driving vibration actuator
    • 振动执行机构,镜头条,相机及驱动振动执行机构的方法
    • JP2014023230A
    • 2014-02-03
    • JP2012158279
    • 2012-07-17
    • Nikon Corp株式会社ニコン
    • KUWANO KUNIHIRO
    • H02N2/00G02B7/04
    • PROBLEM TO BE SOLVED: To provide a vibration actuator, a lens barrel, a camera, and a method for driving the vibration actuator capable of reducing a drive noise.SOLUTION: A vibration actuator 30 according to the present invention includes: a vibrator 110 which generates a driving force by vibration of a first electromechanical conversion element 112 to which a drive signal is applied; a relative movement member 120 which is brought into pressurized contact with the vibrator 110 and relatively moved to the vibrator 110; a pressurization part 140 in which the vibrator 110 and the relative movement member 120 are brought into pressurized contact with each other; and a pressurizing force control part 201 which changes a pressurizing force of the pressurization part 140 in accordance with a drive state of the vibration actuator 30.
    • 要解决的问题:提供一种振动致动器,镜筒,照相机以及用于驱动能够降低驱动噪声的振动致动器的方法。解决方案:根据本发明的振动致动器30包括:振动器110, 通过施加驱动信号的第一机电转换元件112的振动产生驱动力; 与振动器110进行加压接触并相对移动到振动器110的相对运动构件120; 振动器110和相对运动部件120彼此加压接触的加压部140; 以及根据振动促动器30的驱动状态改变加压部140的加压力的加压力控制部201。
    • 6. 发明专利
    • Focal point adjustment device and imaging device
    • 焦点调整装置和成像装置
    • JP2013171242A
    • 2013-09-02
    • JP2012036428
    • 2012-02-22
    • Nikon Corp株式会社ニコン
    • KUWANO KUNIHIRO
    • G02B7/28G02B3/14G02B7/04G02B7/36G03B11/00G03B13/36H04N5/232
    • PROBLEM TO BE SOLVED: To provide a focal point adjustment device capable of properly performing focal point adjustment of a photographic optical system.SOLUTION: A focal point adjustment device includes: a first focal point adjustment optical system (212) that adjusts a focal point state of a photographic optical system by moving in an optical axis direction; a second focal point adjustment optical system (140) that contains an optical medium, includes a transparent parallel flat plate deformable in a width direction, and adjusts the focal point state of the photographic optical system as the thickness of the transparent parallel flat plate changes; and control means (170) that controls the first focal point adjustment optical system and the second focal point adjustment optical system.
    • 要解决的问题:提供能够适当地执行摄影光学系统的焦点调整的焦点调节装置。解决方案:焦点调节装置包括:第一焦点调节光学系统(212),其调整焦点状态 通过沿光轴方向移动的照相光学系统; 包含光学介质的第二焦点调整光学系统(140)包括在宽度方向上可变形的透明平行平板,并且当所述透明平行平板的厚度改变时调节所述摄影光学系统的焦点状态; 以及控制第一焦点调整光学系统和第二焦点调整光学系统的控制装置(170)。
    • 9. 发明专利
    • Vibration actuator, lens barrel, and camera
    • 振动执行器,镜头条和相机
    • JP2011114891A
    • 2011-06-09
    • JP2009266937
    • 2009-11-25
    • Nikon Corp株式会社ニコン
    • KIMURA MASAMITSUKUWANO KUNIHIRO
    • H02N2/00G02B7/04
    • PROBLEM TO BE SOLVED: To provide a less-wearing vibration actuator that produces low noise.
      SOLUTION: The vibration actuator 100 includes a vibrator 32 vibrated by excitation of electromechanical transducers 33, 34 and a relative movement member 120 that is touched by the vibrator 32 under a pressure and driven by the vibration and is thereby moved relative to the vibrator 32. The density of the relative movement member 120 is lower than that of the vibrator 32 and the Young's modulus of the relative movement member 120 is higher than that of the vibrator 32.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供产生低噪声的较少磨损的振动致动器。 解决方案:振动致动器100包括通过机电换能器33,34的激励而振动的振动器32和在振动器32的压力下由振动器32接触并相对于振动器32移动的相对运动元件120。 相对移动构件120的密度低于振动器32的密度,并且相对运动构件120的杨氏模量高于振动器32的杨氏模量。版权所有:(C)2011,JPO和INPIT
    • 10. 发明专利
    • Piezoelectric actuator, lens barrel and camera
    • 压电致动器,镜头条和相机
    • JP2010283938A
    • 2010-12-16
    • JP2009133573
    • 2009-06-03
    • Nikon Corp株式会社ニコン
    • KUWANO KUNIHIRO
    • H02N2/00G02B7/04
    • PROBLEM TO BE SOLVED: To provide a piezoelectric actuator in which friction or abrasion is less likely to be produced. SOLUTION: The piezoelectric actuator includes the first piezoelectric element (23a) and the second piezoelectric element (23b), which are provided between a base member (11) and a mobile member (12) and can extend and contract in a crossing direction to the first face (11a) of the base member (11); the third piezoelectric element (24a) and the fourth piezoelectric element (24b), which are provided between the base member (11) and the mobile member (12) and can extend and contract in a direction different from the cross direction; and transmitting members (21 and 22) to which the elongation and contraction amounts of the first piezoelectric element (23a), the second piezoelectric element (23b), the third piezoelectric element (24a), and the fourth piezoelectric element (24b) are transmitted and which drive them to the mobile member (12). COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供其中不太可能产生摩擦或磨损的压电致动器。 解决方案:压电致动器包括设置在基部构件(11)和移动构件(12)之间的第一压电元件(23a)和第二压电元件(23b),并且可以在交叉点 方向到基部构件(11)的第一面(11a); 所述第三压电元件(24a)和所述第四压电元件(24b)设置在所述基部构件(11)和所述可动构件(12)之间,并且能够沿与所述横向不同的方向延伸和收缩; 和传递第一压电元件(23a),第二压电元件(23b),第三压电元件(24a)和第四压电元件(24b)的伸长和收缩量的透射元件(21和22) 并将它们驱动到移动构件(12)。 版权所有(C)2011,JPO&INPIT