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    • 2. 发明申请
    • RETRACTABLE CABLE ASSEMBLIES AND DEVICES INCLUDING THE SAME
    • 可收回的电缆组件和包括其的装置
    • WO2003031307A1
    • 2003-04-17
    • PCT/AU2002/001347
    • 2002-10-04
    • TAYLOR PTY LTDHARCOURT, Jefferson
    • HARCOURT, Jefferson
    • B65H75/34
    • B65H75/4486B65H75/4428B65H75/4431B65H2551/132B65H2701/3919H02G11/02H04M1/15H05K1/118
    • In a retractable cable assembly, e.g . for an earphone (5), a flexible circuit board (FCB) element (18), preferably having a coiled portion (20), is used to provide a fixed, good quality, electrical connetion between a retractable cable (4) and circuitry (16) that may be mounted on a land portion (17) of the FCB (18). The circuitry (16) may include a socket (6) for connection to the input/output of a device with which the earphone (5) is to be used, e.g . a mobile phone, portable computing device or personal sound system. The cable (4) may be wound about a take-up reel (8), and the FCB coil (20) may be wound in the opposite direction within the reel (8), so that as the cable (4) is extended or retracted, the FCB coil (20) expands or contracts. The reel (8) may be biased to retract the cable (4) by a spring (9). A microswitch (15) may signal when the cable (4) is extended. The FCB element (18) may be made from a flat sheet, the coil (20) being formed from a flat spiral element that is cut about the central land portion (17).
    • 在可缩回的电缆组件中,例如, 对于耳机(5),优选地具有线圈部分(20)的柔性电路板(FCB)元件(18)用于在可伸缩电缆(4)和电路(4)之间提供固定的,优质的电连接 16),其可以安装在FCB(18)的陆部(17)上。 电路(16)可以包括用于连接到将要使用耳机(5)的设备的输入/输出的插座(6),例如。 移动电话,便携式计算设备或个人音响系统。 电缆(4)可以卷绕在收带卷轴(8)上,并且FCB线圈(20)可以沿着卷轴(8)中的相反方向缠绕,使得当电缆(4)延伸或 缩回,FCB线圈(20)膨胀或收缩。 卷轴(8)可以被偏压以通过弹簧(9)使电缆(4)缩回。 当电缆(4)延伸时,微动开关(15)可以发信号。 FCB元件(18)可以由平板制成,线圈(20)由围绕中心陆部(17)切割的扁平螺旋元件形成。