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    • 1. 发明申请
    • Methods and apparatus to provide clock resynchronization in communication networks
    • 在通信网络中提供时钟重新同步的方法和装置
    • US20080159459A1
    • 2008-07-03
    • US11653534
    • 2007-01-16
    • Chung San Roger ChanRichard M. PrenticeWoo Jin Kim
    • Chung San Roger ChanRichard M. PrenticeWoo Jin Kim
    • H04L7/00
    • H04L7/033
    • Methods and apparatus to provide clock resynchronization in communication networks are disclosed. An example method of clock resynchronization disclosed herein comprises determining a vote based on adjacent samples occurring within a single bit interval in a sampled data stream, wherein the vote comprises an early vote when the adjacent samples indicate a sampling phase of a sampling clock is early relative to a center position in the bit interval and wherein the vote comprises a late vote when adjacent samples indicate the sampling phase is late relative to the center position, tracking a running difference between a number of early votes and a number of late votes in a plurality of votes corresponding to a plurality of adjacent samples, and adjusting the sampling phase when the running difference reaches a threshold.
    • 公开了在通信网络中提供时钟再同步的方法和装置。 本文公开的时钟重新同步的示例性方法包括基于在采样数据流中的单个位间隔内发生的相邻采样来确定投票,其中当相邻采样指示采样时钟的采样相位为早期相对时,投票包括早期投票 到所述比特间隔中的中心位置,并且其中所述投票包括晚期投票,当相邻样本指示所述采样阶段相对于所述中心位置较晚时,跟踪多个早期投票与多个晚期投票数之间的差异 的投票对应于多个相邻样本,并且当运行差达到阈值时调整采样相位。
    • 2. 发明授权
    • Methods and apparatus to provide clock resynchronization in communication networks
    • 在通信网络中提供时钟重新同步的方法和装置
    • US08000425B2
    • 2011-08-16
    • US11653534
    • 2007-01-16
    • Chung San Roger ChanRichard M PrenticeWoo Jin Kim
    • Chung San Roger ChanRichard M PrenticeWoo Jin Kim
    • H04L7/00
    • H04L7/033
    • Methods and apparatus to provide clock resynchronization in communication networks are disclosed. An example method of clock resynchronization disclosed herein comprises determining a vote based on adjacent samples occurring within a single bit interval in a sampled data stream, wherein the vote comprises an early vote when the adjacent samples indicate a sampling phase of a sampling clock is early relative to a center position in the bit interval and wherein the vote comprises a late vote when adjacent samples indicate the sampling phase is late relative to the center position, tracking a running difference between a number of early votes and a number of late votes in a plurality of votes corresponding to a plurality of adjacent samples, and adjusting the sampling phase when the running difference reaches a threshold.
    • 公开了在通信网络中提供时钟再同步的方法和装置。 本文公开的时钟重新同步的示例性方法包括基于在采样数据流中的单个位间隔内发生的相邻采样来确定投票,其中当相邻采样指示采样时钟的采样相位为早期相对时,投票包括早期投票 到所述比特间隔中的中心位置,并且其中所述投票包括晚期投票,当相邻样本指示所述采样阶段相对于所述中心位置较晚时,跟踪多个早期投票与多个晚期投票数之间的差异 的投票对应于多个相邻样本,并且当运行差达到阈值时调整采样相位。
    • 4. 发明授权
    • Battery fastening apparatus and portable terminal using the same
    • 电池固定装置和使用其的便携式终端
    • US08041408B2
    • 2011-10-18
    • US11453044
    • 2006-06-15
    • Woo Jin Kim
    • Woo Jin Kim
    • H04M1/00
    • H04M1/0262H01M2/0207H01M2/1066
    • A battery fastening apparatus and a portable terminal using the same includes a case an exterior and having a battery seating portion formed on a side so as to be exposed to a surface of the case. A battery is seated on the battery seating portion. A locking knob has a latching protrusion protruding into the battery seating portion so that the battery remains fastened to the battery seating portion. The locking knob is partially exposed to an outside of the case and supported by an elastic member so that the latching protrusion engages with the battery. A stopping lever limits movement of the locking knob when the latching protrusion engages the battery. The battery fastening apparatus prevents the battery from unintentionally detaching from the body of the terminal during operation.
    • 电池紧固装置和使用该电池固定装置的便携式终端包括外壳,并且具有形成在侧面上以便暴露于外壳表面的电池座部分的外壳。 电池座位在电池座上。 锁定旋钮具有突出到电池座部分中的闩锁突起,使得电池保持固定到电池座部分。 锁定旋钮部分地暴露于壳体的外部并由弹性构件支撑,使得闩锁突起与电池接合。 当闩锁突起接合电池时,止动杆限制锁定旋钮的移动。 电池固定装置防止电池在操作期间被无意地从终端的主体上分离。
    • 9. 发明申请
    • BIDIRECTIONAL DATA REPEATER SWITCH
    • US20080001625A1
    • 2008-01-03
    • US11745539
    • 2007-05-08
    • Julie A. HwangWoo Jin KimAlan S. BassMark W. Morgan
    • Julie A. HwangWoo Jin KimAlan S. BassMark W. Morgan
    • H03K19/003
    • H03K19/0185
    • A bidirectional repeater and data multiplexer for serial data comprises a plurality of comparators 302, 304, 306, 308 coupled to the respective input/output (I/O) terminals of a plurality of serial data transceiver devices A1, A2, A3, A4 such as used in I2C communication. Also coupled to these I/O terminals is a plurality of active pulldowns 316, 318, 320, 322. The outputs of the comparators are coupled to N:1 Select 310 logic wherein the desired data input is selected responsive to select lines S1, S2, S3, S4. The output of the N:1 select logic is coupled to a bidirectional control circuit 210, which couples the selected data to the control terminal of an active pulldown 206 having its source coupled to a pulldown voltage Vp low enough to represent a logic “low” level but non-zero, and a drain connected to the I/O terminal of a device B. Also connected to the I/O terminal of device B is an inverting comparator having a threshold voltage Vt somewhat below the pulldown voltage Vp described above, such that the comparator ignores the low level Vp of the active pulldown, but responds to the less than Vp data zero level from device B. This prevents data lockup where data from An would flow back to the same device An. The data output of comparator 208 is thus a repeated version of data present on the I/O terminal of device B, and is coupled through 1:N Select 312 logic, responsive to the same select lines S1 . . . described above, to one of the plurality of active pulldowns 316, 318, 320, 322. Data from device An, one of the plurality of devices A1 . . . A4, is thus repeated and selectively routed to device B. Similarly, data from device B is selectively routed to the active pulldown coupled to the same device An. Pulldown voltages Vp and threshold voltages Vt may be varied to optimize coupling with device B, as long as the pulldown voltage Vp remains above the threshold voltage Vt; the pulldown and threshold voltages may be selected from a plurality of such pulldown and threshold voltages, in order to optimize noise margins when coupling to devices having different Vil and Vol specifications.