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    • 72. 发明授权
    • Macro-adapted zoom lens system capable of high zoom ratio while covering
wide angles
    • 微距变焦镜头系统能够在广角范围内实现高变焦倍率
    • US4952039A
    • 1990-08-28
    • US112171
    • 1987-10-26
    • Takayuki Ito
    • Takayuki Ito
    • G02B15/20G02B15/22G02B15/28
    • G02B15/173G02B15/22
    • In a macro-adapted zoom lens system capable of high zoom ratio and which covers wide angles, there is disclosed a lens system comprising, in order from the object side, a first lens group having a positive focal length, a second lens group having a negative focal length, a third lens group having a positive focal length, and a fourth lens group having a positive focal length, the focal length of the overall system being varied by displacing all of the four lens groups, and when zooming is effected by shifting the system from a wide-angle end to a telephoto end, a distance between the first and second lens groups being increased while a distance between the second and third lens groups and a distance between the third and fourth lens groups are decreased, with the first and fourth lens groups being situated closer to the object at the telephoto end than at the wide-angle end. The focusing is normally achieved by means of the first lens group and, when closeup shooting is to be made at a nearer distance, the first lens group is fixed at the telephoto end but the second lens group is displaced toward the object while at least one of the third and fourth lens groups are displaced independently so as to increase the distance between the third and fourth lens groups.
    • 在能够实现高变焦比且涵盖广角的宏观变焦透镜系统中,公开了一种透镜系统,其从物体侧依次包括具有正焦距的第一透镜组,第二透镜组具有 负焦距,具有正焦距的第三透镜组和具有正焦距的第四透镜组,整个系统的焦距通过移位所有四个透镜组而变化,并且当通过偏移实现变焦时 该系统从广角端到望远端,第一和第二透镜组之间的距离增加,而第二和第三透镜组之间的距离和第三和第四透镜组之间的距离减小,第一透镜组 并且第四透镜组在远摄端处比在广角端处更靠近物体。 通常通过第一透镜组实现对焦,并且当在更近的距离进行特写拍摄时,第一透镜组固定在远摄端,但是第二透镜组朝向物体移位,而至少一个 第三和第四透镜组的独立位移以增加第三和第四透镜组之间的距离。
    • 73. 发明授权
    • Zoom lens system for use in compact camera
    • 变焦镜头系统用于小型摄像机
    • US4952038A
    • 1990-08-28
    • US179456
    • 1988-04-08
    • Takayuki Ito
    • Takayuki Ito
    • G02B15/163
    • G02B15/163
    • A zoom lens system for use in a compact camera is disclosed which comprises, in order from the object side, a first lens component having a positive focal length, a second lens component having a positive focal length and a third lens component having a negative focal length, and which satisfies the following conditions (A) and (B):(A) when zooming is made from the wide-angle end to the narrow-angle end, all of the first, second and third lens components are displaced toward the object side, with the distance between the first and second lens components being increased while the distance between the second and third lens components is decreased; and(B) the second lens component includes a diaphragm stop and is composed of a first unit that is positioned closer to the object than the diaphragm stop and which has a negative focal length, and a second unit that is positioned closer to the image than the diaphragm stop and which has a positive focal length, the first and second units being adapted to be displaced ensemble.
    • 公开了一种用于小型照相机的变焦透镜系统,其包括从物体侧开始具有正焦距的第一透镜部件,具有正焦距的第二透镜部件和具有负焦点的第三透镜部件 长度,并且满足以下条件(A)和(B):(A)当从广角端到窄角端进行变焦时,所有第一,第二和第三透镜部件都向着 物体侧,第一和第二透镜部件之间的距离增加,同时第二和第三透镜部件之间的距离减小; 和(B)第二透镜部件包括光阑止动件,并且由比隔膜止动件更靠近物体定位的第一单元和具有负焦距的第一单元和位于更靠近图像的第二单元构成 所述隔膜止动件具有正的焦距,所述第一和第二单元适于被移位。
    • 74. 发明授权
    • Zoom lens system for use in a compact camera
    • 变焦镜头系统用于紧凑型相机
    • US4906077A
    • 1990-03-06
    • US300885
    • 1989-01-24
    • Takayuki Ito
    • Takayuki Ito
    • G02B13/18G02B15/16
    • G02B15/161
    • In a zoom lens system of the type which includes a first lens group having a positive focal length and a second lens group having a negative focal length and which performs zooming by adjusting the distance between the two lens groups, the first lens group is composed of a first lens unit having a small power and having a positive or negative focal length and a second lens unit having a positive focal length, the first lens unit being of a two-group-two-element composition which comprises, in order from the object side, a first positive meniscus lens element having a convex surface of large curvature directed toward the object and a second meniscus lens element of large thickness that has a concave surface of large curvature on the object side and a convex surface of large curvature on the image plane side.
    • 在包括具有正焦距的第一透镜组和具有负焦距的第二透镜组的类型的变焦透镜系统中,并且通过调节两个透镜组之间的距离来执行变焦,第一透镜组由 第一透镜单元具有小功率并且具有正或负焦距,以及具有正焦距的第二透镜单元,所述第一透镜单元是两组二元件组成,其包括从所述物体的顺序 具有朝向物体的大曲率的凸表面的第一正弯月形透镜元件和在物体侧具有大曲率的凹面并且在图像上具有大曲率的凸表面的大厚度的第二弯月形透镜元件 平面
    • 78. 发明授权
    • Electronic money system, amount-of-money change information transmitter, server, and amount-of-money change information transmitting method
    • 电子货币系统,货币量变化信息发送器,服务器和货币量变更信息发送方法
    • US09355397B2
    • 2016-05-31
    • US12519080
    • 2007-10-26
    • Takayuki Ito
    • Takayuki Ito
    • G06Q20/38G06Q20/26G06Q20/20G06Q40/00G06Q20/06G06Q20/40G06Q20/36
    • G06Q20/105G06Q20/202G06Q20/26G06Q20/341G06Q20/352G06Q20/42G06Q40/12
    • An electronic money terminal is provided to confirm whether a currency terminal has executed money amount change processing when there is no response after transmission of money amount change information to the currency terminal. The electronic money terminal reads and stores a value balance before transmission of money amount change information from an electronic money card. Then, the electronic money terminal transmits the money amount change information to the electronic money card. The electronic money terminal waits for a response from the electronic money card for a predetermined time and, if no response is transmitted, the electronic money terminal forcibly reads a current value balance in the electronic money card. The electronic money terminal compares this value balance with the value balance read before transmission of the money amount change information, determines that the money amount change information has not been carried out in the electronic money card if both the value balances are equal to each other, and determines that the money amount change information has been carried out in the electronic money card if they are different from each other.
    • 提供电子货币终端以确认在向货币终端发送货币金额变更信息之后没有响应时货币终端是否执行了金额变更处理。 电子货币终端在从电子货币卡发送货币量变更信息之前读取并存储价值余额。 然后,电子货币终端将货币量变更信息发送到电子货币卡。 电子货币终端等待电子货币卡的预定时间的响应,如果不发送响应,电子货币终端强制读取电子货币卡中的当前价值余额。 电子货币终端将该价值余额与发行货币量变更信息之前读取的价值余额进行比较,如果两个价值余额彼此相等,则确定在电子货币卡中尚未执行货币量变更信息, 并且如果它们彼此不同,则确定在电子货币卡中已经执行了金额变更信息。