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    • 33. 发明申请
    • BUTTON MECHANISM AND ELECTRONIC DEVICE USING THE SAME
    • 按钮机构和使用它的电子设备
    • US20130256107A1
    • 2013-10-03
    • US13480485
    • 2012-05-25
    • XUE-DONG TANGWEI LIU
    • XUE-DONG TANGWEI LIU
    • H01H13/76H01H21/28
    • H01H21/285
    • A button mechanism is arranged in an electronic device for actuating a switch. The button mechanism includes a support fixed in the electronic device, a button for receiving an external press to move towards and actuate the switch, and an elastic connection member connecting the button to the support, wherein the elastic connection member is elastically deformed when the button is depressed. The button mechanism further includes a resisting member. The resisting member includes a first end fixed in the button, and a second, suspended end for resisting against a stopping member fixed in the electronic device, wherein when the button moves a predetermined distance towards the switch, the second end resists against the stopping member to prevent the button from further moving towards the switch.
    • 在用于致动开关的电子设备中布置有按钮机构。 按钮机构包括固定在电子设备中的支撑件,用于接收外部按压件以移动并致动开关的按钮,以及将按钮连接到支撑件的弹性连接构件,其中当按钮 郁闷 按钮机构还包括抵抗构件。 抵抗构件包括固定在按钮中的第一端和用于抵抗固定在电子设备中的止动构件的第二悬挂端,其中当按钮朝向开关移动预定距离时,第二端抵抗止动构件 以防止按钮进一步向开关移动。
    • 34. 发明申请
    • BUTTON MECHANISM AND ELECTRONIC DEVICE USING THE SAME
    • 按钮机构和使用它的电子设备
    • US20130256106A1
    • 2013-10-03
    • US13480483
    • 2012-05-25
    • XUE-DONG TANGWEI LIU
    • XUE-DONG TANGWEI LIU
    • H01H13/76H01H21/28
    • H01H21/285
    • A button mechanism is arranged in an electronic device for actuating a switch. The button mechanism includes a support fixed in the electronic device, a button, an elastic connection member, and a resisting member. The button includes a button body that can be pressed, and an actuation portion protruding from the button body, the actuation portion being located above the switch. The elastic connection member connects the button body to the support, and the elastic connection member is elastically deformed when the button body is deformed. The resisting member is arranged between the button body and the switch, for preventing the button body from moving down too far, thereby limiting a traveling range of the button body.
    • 在用于致动开关的电子设备中布置有按钮机构。 按钮机构包括固定在电子设备中的支撑件,按钮,弹性连接构件和抵抗构件。 按钮包括可被按压的按钮主体和从按钮主体突出的致动部分,致动部分位于开关上方。 弹性连接构件将按钮体与支撑体连接,弹性连接构件在按钮体变形时弹性变形。 抵抗构件设置在按钮体和开关之间,用于防止按钮体向下移动太远,从而限制按钮体的行进范围。
    • 38. 发明申请
    • Method of Preparing 2,6,10-Trimethyl-1,1-Dialkoxy-3,5,9-Undecatriene Used as an Intermediate of Lycopene
    • 制备用作番茄红素中间体的2,6,10-三甲基-1,1-二烷氧基-3,5,9-十一碳三烯的方法
    • US20120316366A1
    • 2012-12-13
    • US13493971
    • 2012-06-11
    • PENGFEI ZHANGCHAO SHENRUNPU SHENWEI LIUCHUNLEI WU
    • PENGFEI ZHANGCHAO SHENRUNPU SHENWEI LIUCHUNLEI WU
    • C07C41/01
    • C07C41/48C07C43/303
    • The present invention describes a novel synthetic method for preparing the key intermediate 2,6,10-trimethyl-1,1-dialkoxy-3,5,9-undecatriene of lycopene. An existing synthetic method have some disadvantages that it is very difficult to gain the raw material dialkyl 4-methyl-5,5-diakoxy-1-pentene-1-phosphonate (10) because no effective synthetic method can be adopted, and furthermore the obtained target compound is composed of several cis/trans isomers. This invention relates to a process comprising a condensation step wherein a starting C10-phosphonate is changed to its carbanion completely at a temperature of −40˜30 under an atmosphere of a non-reactive gas in an organic solvent catalyzed by base, and then C4-dialkyl is added to undergo Wittig-Horner condensation. This invention affords all trans C14-acetal and this method is characterized with the advantages of simple procedure, easy access to raw material and low cost, which makes it has the value of industrial application.
    • 本发明描述了一种制备番茄红素关键中间体2,6,10-三甲基-1,1-二烷氧基-3,5,9-十一碳三烯的新型合成方法。 现有的合成方法有一些缺点,因为没有有效的合成方法,难以获得原料的4-甲基-5,5-二烷氧基-1-戊烯-1-膦酸二烷基酯(10),此外, 得到的目标化合物由几种顺式/反式异构体组成。 本发明涉及一种包括缩合步骤的方法,其中起始C10-膦酸酯在-40〜30℃的温度下在非反应性气体的气氛中在由碱催化的有机溶剂中完全变成其碳负离子,然后将C4 加入二烷基以进行Wittig-Horner冷凝。 本发明提供全反式C14-缩醛,该方法的特点是操作简单,易于获得原料,成本低廉,具有工业应用价值。