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    • 12. 发明授权
    • Three-unit zoom lens
    • 三单位变焦镜头
    • US5850312A
    • 1998-12-15
    • US327323
    • 1994-10-21
    • Shigeru KatoYuji Kamo
    • Shigeru KatoYuji Kamo
    • G02B15/167G02B15/14G02B13/18
    • G02B15/167
    • The invention provides a zoom lens system which, albeit having a zoom ratio exceeding 2, is composed of fewer lenses, is of small and low-cost construction, and shows sufficient performance over a range from infinity to a short object distance. The three-unit zoom lens system comprises, in order from the object side, a first lens unit having very weak refracting power, a second lens unit having positive refracting power, and a third lens unit having negative refracting power with the separation between the respective lens units varied for zooming. The first lens unit includes at least one aspherical surface and each lens within the first lens unit has very weak refracting power. The three-unit lens system satisfies the following conditional formula: 1.65
    • 本发明提供了一种变焦透镜系统,虽然具有超过2的变焦倍数,但是由较少的透镜组成,具有小而低成本的结构,并且在从无穷远到短的物体距离的范围内显示出足够的性能。 三单元变焦透镜系统从物体侧依次包括具有非常弱的折射力的第一透镜单元,具有正折射力的第二透镜单元和具有负折射光焦度的第三透镜单元, 镜头单元因缩放而异。 第一透镜单元包括至少一个非球面,并且第一透镜单元内的每个透镜具有非常弱的折射能力。 三单位透镜系统满足以下条件式:1.65
    • 13. 发明授权
    • Optical lens system-driving control apparatus for microscopically
driving a plurality of lens groups
    • 用于显微驱动多个透镜组的光学透镜系统驱动控制装置
    • US5146071A
    • 1992-09-08
    • US691064
    • 1991-04-23
    • Mitsumasa OokuboTsuyoshi YajiYasushi ToizumiToyoji SasakiShigeru KatoTetsuo MiyasakaYasushi OdanakaMasafumi YamashakiShinichi Kodama
    • Mitsumasa OokuboTsuyoshi YajiYasushi ToizumiToyoji SasakiShigeru KatoTetsuo MiyasakaYasushi OdanakaMasafumi YamashakiShinichi Kodama
    • G02B3/00G02B7/08
    • G02B7/285G02B7/102
    • A plurality of lens groups are moveable in the direction of an optical axis. A plurality of motors are provided for the lens groups, respectively. A driving circuit drives the motors. A switching section sequentially selects the motors and connects the selected motors to the driving circuit. A lens position-detecting section detects the positions of the lens groups. A driving control section sequentially drives the lens groups in accordance with intermediate target position data, respectively, via the switching section and the driving section, and determines whether the lens groups have reached their respective intermediate target positions, on the basis of the detection performed by the lens position-detecting section. When the driving control section determines that the lens groups have reached their respective intermediate target positions, it demands next intermediate target positions, which are slightly away from the initially-determined intermediate target positions. On the basis of the next intermediate target positions, the lens groups are driven again. With this operation repeated, the driving control section controls the driving of the lens groups until these lens groups reach their respective final target positions.
    • 多个透镜组可在光轴的方向上移动。 分别为透镜组提供多个电动机。 驱动电路驱动电机。 切换部顺序地选择电动机并将所选择的电动机连接到驱动电路。 透镜位置检测部检测透镜组的位置。 驱动控制部分根据中间目标位置数据依次按照切换部分和驱动部分驱动透镜组,并根据检测结果确定透镜组是否已达到各自的中间目标位置 透镜位置检测部。 当驱动控制部分确定透镜组已经达到其各自的中间目标位置时,它要求稍微远离初始确定的中间目标位置的下一个中间目标位置。 在下一个中间目标位置的基础上,再次驱动镜头组。 通过重复该操作,驱动控制部分控制透镜组的驱动,直到这些透镜组达到它们各自的最终目标位置。
    • 16. 发明授权
    • Wearable display unit, headphones and system provided with these
    • 可佩戴的显示单元,耳机和系统提供这些
    • US08362974B2
    • 2013-01-29
    • US12753797
    • 2010-04-02
    • Nobuyuki MiyakeShigeru KatoMasaki Ootsuki
    • Nobuyuki MiyakeShigeru KatoMasaki Ootsuki
    • G09G5/00G02B27/14G02B7/02G02F1/1335
    • G02B27/0176H04N5/7491
    • Inclination of an image display unit is prevented at the time of using a wearable display unit in which the image display unit can move between a projection position where the image display unit comes in front of a user's eye and a retracted position where the image display unit has been retracted from the front of the user's eye. A display support member 27 is prevented from rotating in relation to a display support member housing part 31 in a direction included in a plane perpendicular to the longitudinal direction of the display support member 27, even in a state that the display support member can move. To that end, grooves 28a, 28b extending in the longitudinal direction are formed in the display support member 27, while guide rollers 34a, 34a in contact with these grooves are provided within the display support member housing part 31.
    • 在使用图像显示单元可以在图像显示单元进入用户眼睛的前方的投影位置与图像显示单元之间的缩回位置之间移动的可佩戴显示单元时,防止了图像显示单元的倾斜 已经从用户眼睛的前部缩回。 即使在显示支撑构件能够移动的状态下,显示支撑构件27也能够防止相对于显示支撑构件收纳部31向包括在垂直于显示支撑构件27的纵向的平面的方向上旋转。 为此,在显示支承部件27上形成有沿长度方向延伸的槽28a,28b,与显示支承部件壳体部31内配置有与这些槽接触的导辊34a,34a。
    • 18. 发明申请
    • OUTPUTTING APPARATUS AND IMAGE DISPLAY APPARATUS
    • 输出装置和图像显示装置
    • US20090243966A1
    • 2009-10-01
    • US12309393
    • 2007-07-20
    • Shigeru KatoYuki Yoshikawa
    • Shigeru KatoYuki Yoshikawa
    • G09G5/00
    • G06F3/165G02B27/017H04R1/028H04R2201/103H04R2430/01H04R2499/15
    • A display element (7) is turned off by stopping power supply when an image is displayed on a display section (6). When an image is displayed on the display section (6), the user is mostly observing the image with a head mount display (1) mounted on the user. At such time, since the display element (7) cannot be visually recognized, problem does not occur even when the display element is turned off. Furthermore, since the display element (7) is not required to be supplied with power supply, the service life of a battery is lengthened by such quantity. A display element (7) is turned off by stopping power supply when an image is displayed on a display section (6). When an image is displayed on the display section (6), the user is mostly observing the image with a head mount display (1) mounted on the user. At such time, since the display element (7) cannot be visually recognized, problem does not occur even when the display element is turned off. Furthermore, since the display element (7) is not required to be supplied with power supply, the service life of a battery is lengthened by such quantity.
    • 当在显示部分(6)上显示图像时,通过停止电源来关闭显示元件(7)。 当在显示部分(6)上显示图像时,用户主要用安装在用户上的头戴式显示器(1)观察图像。 此时,由于显示元件(7)不能被视觉识别,所以即使显示元件关闭,也不会发生问题。 此外,由于显示元件(7)不需要供电,电池的使用寿命延长了这样的量。 当在显示部分(6)上显示图像时,通过停止电源来关闭显示元件(7)。 当在显示部分(6)上显示图像时,用户主要用安装在用户上的头戴式显示器(1)观察图像。 此时,由于显示元件(7)不能被视觉识别,所以即使显示元件关闭,也不会发生问题。 此外,由于显示元件(7)不需要供电,电池的使用寿命延长了这样的量。
    • 19. 发明申请
    • OUTPUT DEVICE AND WEARABLE DISPLAY
    • 输出设备和可磨损显示器
    • US20090195479A1
    • 2009-08-06
    • US12309976
    • 2007-09-13
    • Shigeru KatoKazuou IsagiMasaki OtsukiKenzo Chiaki
    • Shigeru KatoKazuou IsagiMasaki OtsukiKenzo Chiaki
    • G09G5/00H04R5/02
    • H04R5/0335H01Q1/273H01Q1/44H04R1/028H04R1/1008H04R2420/07
    • A headphone (3) includes a pad (31) which is brought into contact with a human head, an enclosure (32) which outputs an audio, and a dome (33) as means for adjusting quality of the audio output by resonating or absorbing the sound wave emitted from the enclosure. The dome (33) has no parts other than those used for absorbing and reflecting audio and is almost hollow. In the dome (33) is arranged a circuit substrate (35) by using a circuit support part (34) having a shape not blocking the air flowing in the dome. Such a circuit substrate is also built in the other headphone. The circuit substrates arranged in the dome (33) of the headphone are connected by a cable arranged inside a head band (4) or an FPC for transmission of a signal and power supply. Thus, it is possible to provide an output device which can solve the problem of the dimensions for containing operation processing devices and the problem of heat dissipation.
    • 耳机(3)包括与人头接触的垫(31),输出音频的外壳(32)和作为通过谐振或吸收来调节音频输出质量的装置的穹顶(33) 从外壳发出的声波。 圆顶(33)除了用于吸收和反射音频的部分之外没有其它部分,并且几乎是空心的。 在圆顶(33)中通过使用具有不阻挡在圆顶中流动的空气的形状的电路支撑部分(34)来布置电路基板(35)。 这样的电路基板也内建在另一个耳机中。 布置在耳机的圆顶(33)中的电路基板通过布置在头带(4)或FPC内的电缆连接,用于传输信号和电源。 因此,可以提供一种能够解决包含操作处理装置的尺寸和散热问题的输出装置。