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    • 31. 发明申请
    • Switching Power Converter for Reducing EMI from Ring Oscillation and Its Control Method
    • 用于降低环振荡EMI的开关电源转换器及其控制方法
    • US20110228569A1
    • 2011-09-22
    • US13131587
    • 2008-12-03
    • Jun ZhengEng Hwee QuekHuaming Guo
    • Jun ZhengEng Hwee QuekHuaming Guo
    • H02M3/335
    • H02M3/33507H02M1/44
    • A switching power converter (200, 300, 400, 500) comprises a transformer (211) with a parasitic capacitance (212), a first switch (207) coupled to the transformer (211) and configured to couple or decouple a load (219) to or from a power source via the transformer (211), a switch controller (205) coupled to the first switch (207) and configured to generate a switch drive signal (206) for turning on or off the first switch (207) according to switching cycles, and a bypass circuit configured to provide a bypass path for the parasitic elements such as the parasitic capacitance (212). The bypass circuit may be coupled in parallel with the auxiliary winding (220), the primary winding (213), or the secondary winding (214) of the transformer (211). High frequency ringing and EMI/RFI is reduced when the bypass circuit is enabled.
    • 开关功率转换器(200,300,400,500)包括具有寄生电容(212)的变压器(211),耦合到变压器(211)的第一开关(207)并且被配置为耦合或解耦负载(219 )连接到第一开关(207)并且被配置为产生用于接通或断开第一开关(207)的开关驱动信号(206)的开关控制器(205) 以及旁路电路,其被配置为为诸如寄生电容(212)的寄生元件提供旁路路径。 旁路电路可以与变压器(211)的辅助绕组(220),初级绕组(213)或次级绕组(214)并联耦合。 当旁路电路使能时,高频振铃和EMI / RFI降低。
    • 32. 发明授权
    • Clipping correction system and method for correcting clipped signals in a receiver
    • 用于校正接收机中的限幅信号的校正系统和方法
    • US07978985B2
    • 2011-07-12
    • US12117721
    • 2008-05-08
    • Jun Zheng
    • Jun Zheng
    • H04B10/06
    • H04B10/697
    • A system and method for restoring a clipped signal may be used in an optical receiver that detects a clipped modulated optical signal. The clipped modulated optical signal is detected to produce a clipped electrical signal including a series of clipped negative peaks and corresponding positive peaks. The clipped signal may be corrected by detecting at least one trigger peak preceding one or more clipped negative peaks to be restored and generating a replacement tip signal segment for the clipped negative peak(s) to be restored. The replacement tip signal segment may be combined with the clipped electrical signal such that the replacement tip signal segment coincides with a clipped end of the clipped negative peak to be restored to produce a restored negative peak.
    • 用于恢复限幅信号的系统和方法可以用于检测限幅调制光信号的光接收机中。 检测限幅调制光信号以产生包括一系列限幅负峰值和对应正峰值的限幅电信号。 可以通过检测要恢复的一个或多个限幅负峰值之前的至少一个触发峰值来校正限幅信号,并产生待恢复的被削减的负峰值的替换尖端信号段。 替换尖端信号段可以与限幅电信号组合,使得替换尖端信号段与待恢复的限幅负峰值的限幅端重合以产生恢复的负峰值。
    • 33. 发明授权
    • Method and system for a double search user group selection scheme with range in TDD multiuser MIMO downlink transmission
    • 用于TDD多用户MIMO下行链路传输的范围缩减的双重搜索用户组选择方案的方法和系统
    • US07917100B2
    • 2011-03-29
    • US11231586
    • 2005-09-21
    • Jun ZhengChengjin ZhangPieter van Rooyen
    • Jun ZhengChengjin ZhangPieter van Rooyen
    • H04B1/02H04B7/02H03C7/02
    • H04B7/0452H04B7/0408H04B7/0413H04L5/1469
    • Certain aspects of a method and system for processing signals in a communication system may include maximizing system capacity for a time division duplex (TDD) multiple-input multiple-output (MIMO) system, based on reducing a search range within which to find a group of signals having maximum channel gain. At least one of: a first signal for a first user and a second signal for a second user may be selected, which are both within the reduced search range, and which provides a maximum system capacity. The first signal for the first user may be selected from the reduced search range corresponding to a channel gain that is greater than a channel gain corresponding to a remaining portion of the reduced search range. The reduced search range may be generated by sorting a plurality of signals based on a channel gain corresponding to each of the plurality of signals.
    • 用于处理通信系统中的信号的方法和系统的某些方面可以包括:基于减少在其中寻找组的搜索范围来最大化时分双工(TDD)多输入多输出(MIMO)系统的系统容量 的信号具有最大的信道增益。 可以选择以下中的至少一个:可以选择第一用户的第一信号和第二用户的第二信号,这两者都在缩小搜索范围内,并且提供最大的系统容量。 用于第一用户的第一信号可以从对应于比还原搜索范围的剩余部分对应的信道增益大的信道增益的缩小搜索范围中选择。 可以通过基于与多个信号中的每个信号相对应的信道增益对多个信号进行排序来生成缩小搜索范围。
    • 34. 发明授权
    • Non-volatile memory
    • 非易失性存储器
    • US07859040B2
    • 2010-12-28
    • US12170553
    • 2008-07-10
    • Jun Zheng
    • Jun Zheng
    • H01L29/76
    • H01L29/788H01L21/28273H01L29/42324H01L29/513H01L29/7881
    • Non-volatile memory is described. The non-volatile memory includes a substrate having a source region, a drain region and a channel region. The channel region separates the source region and the drain region. An electrically insulating layer is adjacent to the source region, drain region and channel region. A floating gate electrode is adjacent to the electrically insulating layer. The electrically insulating layer separates the floating gate electrode from the channel region. The floating gate electrode has a floating gate major surface. A control gate electrode has a control gate major surface and the control gate major surface opposes the floating gate major surface. A vacuum layer or gas layer at least partially separates the control gate major surface from the floating gate major surface.
    • 描述非易失性存储器。 非易失性存储器包括具有源极区,漏极区和沟道区的衬底。 沟道区域分离源极区域和漏极区域。 电绝缘层与源极区,漏极区和沟道区相邻。 浮栅电极与电绝缘层相邻。 电绝缘层将浮栅电极与沟道区分开。 浮栅电极具有浮栅主表面。 控制栅电极具有控制栅主表面,控制栅极主表面与浮栅主表面相对。 真空层或气体层至少部分地将控制栅极主表面与浮动栅极主表面分开。
    • 37. 发明申请
    • Distortion Compensation Circuit Including One or More Phase Invertible Distortion Paths
    • 包含一个或多个相位可逆变形路径的​​失真补偿电路
    • US20090196630A1
    • 2009-08-06
    • US12026182
    • 2008-02-05
    • Brian IshaugJun Zheng
    • Brian IshaugJun Zheng
    • H04B10/04
    • H04B10/504H04B10/58H04B10/697
    • A distortion compensation circuit compensates for distortion generated by one or more non-linear elements such as a laser device and may include a primary signal path for carrying an input signal and one or more secondary signal paths for generating distortion. The distortion compensation circuit may also include one or more controllable phase inverters on at least one of the paths. For example, the secondary signal path may include a distortion generator to produce distortion products from the input signal and a signal controlled phase inverter that inverts the phase of the distortion products. The distortion generator and phase inverter may be combined as an invertible distortion generator. The phase inversion may be controlled in response to a phase inversion control signal generated based on one or more parameters such as temperature. The secondary signal path may also include separate distortion sub-paths to produce frequency independent distortion products and frequency dependent distortion products.
    • 失真补偿电路补偿由诸如激光装置的一个或多个非线性元件产生的失真,并且可以包括用于承载输入信号的主信号路径和用于产生失真的一个或多个次信号路径。 失真补偿电路还可以在至少一个路径上包括一个或多个可控相位逆变器。 例如,辅助信号路径可以包括失真发生器,以从输入信号产生失真产物,以及信号控制相位逆变器,其反转失真产物的相位。 失真发生器和相位逆变器可以组合为可逆失真发生器。 可以响应于基于诸如温度的一个或多个参数而产生的相位反转控制信号来控制相位反转。 辅助信号路径还可以包括单独的失真子路径以产生频率无关的失真乘积和与频率相关的失真产物。
    • 38. 发明申请
    • METHOD AND SYSTEM FOR BEST-M CQI FEEDBACK TOGETHER WITH PMI FEEDBACK
    • 具有PMI反馈的最佳M CQI反馈的方法和系统
    • US20080268862A1
    • 2008-10-30
    • US11864661
    • 2007-09-28
    • Mark KentVinko ErcegJun Zheng
    • Mark KentVinko ErcegJun Zheng
    • H04Q7/20
    • H04L1/0026H04B7/0632H04B7/0639H04L1/0029
    • Aspects of a method and system for best-M CQI feedback together with PMI feedback may include generating a plurality of feedback messages, which may be communicated from a mobile station to a base station, wherein at least one of the generated plurality of feedback messages may be associated with each corresponding selected one of a plurality of Channel Quality Indicator (CQI) reporting units. The at least one of the generated feedback messages may comprise CQI information and Pre-coding Matrix Index (PMI) information, which may both be associated with the selected one of the plurality of CQI reporting units. At least one other of the generated plurality of feedback messages may comprise an aggregate CQI information, which is based on one or more of the plurality of CQI reporting units.
    • 用于最佳M CQI反馈的方法和系统以及PMI反馈的方面可以包括生成可以从移动台传送到基站的多个反馈消息,其中所生成的多个反馈消息中的至少一个可以 与多个信道质量指示符(CQI)报告单元中的每个相应选择的一个相关联。 所生成的反馈消息中的至少一个可以包括CQI信息和预编码矩阵索引(PMI)信息,其可以都与多个CQI报告单元中的所选择的一个相关联。 所生成的多个反馈消息中的至少另一个可以包括基于多个CQI报告单元中的一个或多个的聚合CQI信息。
    • 39. 发明申请
    • Core-pulling mechanism and injection mold with the same
    • 牵引机构和注塑模具相同
    • US20070172539A1
    • 2007-07-26
    • US11338386
    • 2006-01-24
    • Chiang-Chang WangChih-Yu ChenJian-Guang HuangXiao-Jun Zheng
    • Chiang-Chang WangChih-Yu ChenJian-Guang HuangXiao-Jun Zheng
    • B29C45/40
    • B29C45/262B29C45/332Y10S425/058
    • A core-pulling mechanism for pulling a slide core and a threaded-pin core in an injection mold includes a hinge shaft having two ends with polygonal cross-section, an shaft sleeve assembled with a rear of the hinge shaft, a baffle block having axial through opening allowing the hinge shaft to pass through and rotate therein, a slider having a through hole for receiving the baffle block and a semi-closed transmission hole defined in a rear wall, a transmission shaft assembled in the transmission hole and fixed to the slider, and a guide block. The baffle block and the guide block have inclined guiding bulges and inclined guiding grooves engaging with each other to guide the baffle block to slide. While the transmission shaft drives the slider to move backward, the hinge shaft following with the slider move backward and slide in the shaft sleeve, thus, the distance of the backward movement of the cores pulled by the core-pulling mechanism is not limited.
    • 用于在注射模具中拉动滑动芯和螺纹芯芯的牵引机构包括具有两端具有多边形横截面的铰链轴,与该铰链轴的后部组装的轴套,具有轴向 通过允许铰链轴通过并在其中旋转的开口,具有用于容纳挡板块的通孔和限定在后壁中的半封闭传动孔的滑块,组装在传动孔中并固定到滑块的传动轴 ,和导块。 挡板和引导块具有倾斜的引导凸起和相互啮合的倾斜引导槽,以引导挡板滑动。 当传动轴驱动滑块向后移动时,随着滑块的铰链轴向后移动并在轴套中滑动,因此由牵引机构牵引的芯的向后运动的距离不受限制。