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    • 4. 发明专利
    • Improvements in and relating to microphones
    • GB382165A
    • 1932-10-20
    • GB447232
    • 1932-02-15
    • WILLIAM ROE LANE
    • H04R21/02
    • 382,165. Microphones. LANE, W. R., 2205, Michigan Avenue, Niagara Falls, New York, U.S.A. Feb. 15, 1932, No. 4472. [Class 40 (iv).] A microphone, more particularly for use as a telephone transmitter, comprises a magnet constituting the fixed electrode, a movable electrode, a diaphragm, a magnetic element on the movable electrode contacting the diaphragm and a mass of carbon coated magnetic particles interposed between the fixed and movable electrodes. As shown, the microphone comprises a casing 3 closed at its front by a cap 2 and carrying at its rear a permanent or electromagnet 9 the forward end of which is surrounded by an insulating sleeve 11. The movable electrode 12 of magnetic material has a cylindrical portion 13 slidingly fitting in the sleeve 11 and a flange 14 between which and the sleeve is arranged a helical spring 18 which serves to hold a magnetic ball 17 in contact with the diaphragm 5. Carbon discs 15 are carried by the opposed ends of the magnet and cylinder 13 and between these discs and within the sleeve 11 are arranged the carbon coated magnetic particles 16. The magnetic particles are preferably initially electroplated with silver before being coated with carbon. The periphery of the diaphragm is surrounded by a soft rubber band 6 and is clamped in the cap 2 by a lock ring 4. In order to provide a substantially closed magnetic circuit, the metal parts with the possible exception of the spring 18 may be made of magnetic material. Alternatively, the diaphragm and, if desired, the other metal parts excepting the magnet and ball 17 may be made of aluminium.
    • 6. 发明申请
    • Product transport system for a vending machine
    • 自动售货机的产品运输系统
    • US20070108222A1
    • 2007-05-17
    • US11249526
    • 2005-10-14
    • Bryan CollinsPaul KellyAron LewisCharles PercyJoshua PowellWilliam Roe
    • Bryan CollinsPaul KellyAron LewisCharles PercyJoshua PowellWilliam Roe
    • B65G59/00
    • G07F11/42G07F11/165
    • A product delivery system for a vending machine includes first and second guide rails and a carriage rail. The guide rails are fixedly mounted in the vending machine spaced from and parallel to each other and extend along respective first and second axes. The carriage rail extends along a third axis and includes first and second ends that are slidably connected to the respective ones of the first and second guide rails. A carrier member is slidably mounted to the carriage rail for movement along the third axis. A first drive belt is coupled to the carriage rail and a first drive motor to selectively shift the carrier member along the third axis. A second drive belt, extending in multiple axes, is connected to each of the first and second ends of the carriage rail and a second drive motor. The second drive motor selectively shifts the carriage rail along the first and second axes upon driving the second drive belt.
    • 一种用于自动售货机的产品输送系统包括第一和第二导轨和托架导轨。 导轨固定地安装在自动售货机中,彼此间隔开并平行并且沿相应的第一和第二轴线延伸。 滑架轨道沿着第三轴线延伸并且包括可滑动地连接到第一和第二导轨中相应的导轨的第一端和第二端。 载体构件可滑动地安装到滑架导轨上以沿第三轴线移动。 第一传动带联接到滑架轨道和第一驱动马达以选择性地沿着第三轴线移动载体构件。 沿着多个轴线延伸的第二传动带连接到滑架轨道的第一和第二端以及第二驱动马达。 第二驱动电动机在驱动第二驱动带时选择性地沿着第一轴和第二轴移动滑架导轨。