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    • 3. 发明授权
    • Wide-angle lens system and a focusing method thereof
    • 广角透镜系统及其聚焦方法
    • US06560042B2
    • 2003-05-06
    • US09939658
    • 2001-08-28
    • Masayuki MurataTakayuki Ito
    • Masayuki MurataTakayuki Ito
    • G02B1304
    • G02B13/06G02B15/177
    • A wide-angle lens system includes a negative first lens group, and a positive second lens group, in this order from the object. The second lens group includes a positive 2F sub-lens group and a positive 2R sub-lens, in this order from the object. Upon focusing from infinity to a closer object distance, an Fa lens group constituted by the first lens group and the positive 2F sub-lens group which are arranged to move integrally, and an Fb lens group constituted by the positive 2R sub-lens group are independently moved from the image side toward the object side so that the distance between the Fa lens group and the Fb lens group are made shorter. Furthermore, the a wide-angle lens system satisfies the following conditions: 0.5
    • 广角镜头系统包括负的第一透镜组和正的第二透镜组,按照该物体的顺序。 第二透镜组从物体依次依次包括正2F子透镜组和正2R子透镜。 从无限远到更近的物距距离,由被配置为一体地移动的第一透镜组和正2F子透镜组构成的Fa透镜组和由正2R子透镜组构成的Fb透镜组是 独立地从图像侧朝向物体侧移动,使得Fa透镜组和Fb透镜组之间的距离更短。 此外,广角镜头系统满足以下条件:
    • 4. 发明授权
    • Macro zoom lens system
    • 微距变焦镜头系统
    • US06385400B1
    • 2002-05-07
    • US09657101
    • 2000-09-07
    • Masayuki MurataTakayuki Ito
    • Masayuki MurataTakayuki Ito
    • G03B1700
    • G02B15/173
    • A macro zoom lens system includes at least three lens groups, such as, a positive first lens group, a negative second lens group, and a positive third lens group, in this order from the object. Upon zooming, at least two lens groups are made moveable. On the other hand, upon focusing at any focal length in the focal-length range defined by the short focal length extremity and the long focal length extremity, any one of the lens groups other than the first lens group is made moveable. Furthermore, at the shortest object-to-image distance, an image magnification of more than ½ is obtained at the long focal length extremity.
    • 宏观变焦透镜系统从物体起依次包括至少三个透镜组,例如正的第一透镜组,负的第二透镜组和正的第三透镜组。 缩放后,至少有两个镜头组可移动。 另一方面,在由短焦距末端和长焦距极限限定的焦距范围内的任意焦距进行聚焦时,除第一透镜组之外的任何一个透镜组都可移动。 此外,在最短的物体到图像的距离处,在长的焦距端处获得大于1/2的图像放大率。
    • 5. 发明申请
    • Communication device and communication system
    • 通信设备和通信系统
    • US20070274248A1
    • 2007-11-29
    • US11802349
    • 2007-05-22
    • Kiyoshi FukuiNaoki WakamiyaTetsuya KawaiMasayuki Murata
    • Kiyoshi FukuiNaoki WakamiyaTetsuya KawaiMasayuki Murata
    • H04J3/08G08B1/08
    • H04W40/22H04L45/306H04W76/20H04W84/22
    • A wireless multi-hop network of a communication system is structured with a number of the communication devices and the collecting communication device. Transmission information from each communication devices is sequentially relayed to reach the collecting communication device. Each communication device features a function for on/off control of a transmission/reception processing section. The communication device also includes: a section which appends an urgent flag to urgent information that is to be relayed and transmits the urgent information, and fixes the transmission/reception processing section to ‘on’; a section which verifies a relay by a relay destination communication device and, if verification is achieved, fixes the transmission/reception processing section to ‘on’ and switches to a state for promptly relaying received information; a section which, if the verification is not achieved, retransmits the urgent information; and a section which, when retransmitted urgent information is received, relay-transmits the information immediately.
    • 通信系统的无线多跳网络由多个通信装置和收集通信装置构成。 来自各通信设备的传输信息被顺序地中继到达收集通信设备。 每个通信设备具有用于发送/接收处理部分的开/关控制的功能。 通信装置还包括:将紧急标志附加到要中继的紧急信息并发送紧急信息的部分,并将发送/接收处理部分固定为“开”; 通过中继目的地通信装置验证中继的部分,如果实现验证,则将发送/接收处理部分固定为“开”,并切换到迅速中继接收到的信息的状态; 如果没有实现验证,则重新发送紧急信息; 以及当接收到重发的紧急信息时,中继 - 立即发送信息的部分。
    • 9. 发明授权
    • AF auxiliary light projector for AF camera
    • AF辅助灯投影机用于AF相机
    • US06718134B2
    • 2004-04-06
    • US10160227
    • 2002-06-04
    • Masayuki MurataIsamu Hirai
    • Masayuki MurataIsamu Hirai
    • G03B300
    • G03B13/36G02B7/32
    • An AF auxiliary light projector for an AF camera includes a focus detection optical system having a first optical axis, and an AF auxiliary light projecting optical system having a second optical axis which intersects the first optical axis, the AF auxiliary light projecting optical system projecting an image having a predetermined contrast pattern onto an object. The AF auxiliary light projecting optical system includes a projector lens, a contrast pattern chart, an illumination lens, and an illumination light source, in that order. The illumination lens has an asymmetrical optical power so that an optical power of a far distance portion of the illumination lens for a far distance region of the contrast pattern chart is greater than an optical power of a near distance portion of the illumination lens for a near distance region of the contrast pattern chart.
    • 用于AF相机的AF辅助光投影仪包括具有第一光轴的焦点检测光学系统和具有与第一光轴相交的第二光轴的AF辅助投光光学系统,AF辅助投光光学系统 图像具有预定的对比度图案到对象上。 AF辅助投光光学系统依次包括投影透镜,对比度图案图案,照明透镜和照明光源。 照明透镜具有不对称光学功率,使得对比度图案图表的远距离区域的照明透镜的远距离部分的光焦度大于近距离照射透镜近距离部分的光焦度 对比度图表图的距离区域。
    • 10. 发明授权
    • Surveying instrument having a sighting telescope and a phase-difference detection type focus detection device therefor
    • 具有瞄准望远镜的测量仪器和相差检测型焦点检测装置
    • US06618126B2
    • 2003-09-09
    • US09865705
    • 2001-05-29
    • Masami ShiraiMasayuki MurataTakayuki Ito
    • Masami ShiraiMasayuki MurataTakayuki Ito
    • G01C308
    • G01C3/08
    • A surveying instrument having a sighting optical system and a phase-difference detection type focus detection device which detects a focus state of the sighting optical system from a correlation between a pair of images respectively formed by two light bundles which are respectively passed through two different pupil areas on an objective lens of the sighting optical system, the phase-difference detection type focus detection device includes a pair of line sensors, a condenser lens group for condensing the two light bundles which are respectively passed through the two different pupil areas, and a pair of separator lens groups for forming two images of the two light bundles which are passed through the condenser lens group on the pair of line sensors, respectively. The condenser lens group includes more than one sub lens group.
    • 一种具有瞄准光学系统和相位差检测型焦点检测装置的测量仪器,其从由分别通过两个不同光瞳的两个光束形成的一对图像之间的相关性检测瞄准光学系统的聚焦状态 相位差检测型焦点检测装置包括一对线传感器,用于冷凝分别穿过两个不同瞳孔区域的两个光束的聚光透镜组,以及 一对分离透镜组,用于分别形成通过一对线传感器上的聚光透镜组的两个光束的两个图像。 聚光透镜组包括多于一个子透镜组。