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    • 2. 发明授权
    • Optical disc having gas flow spoiler and the method for fabricating the same
    • 具有气流扰流板的光盘及其制造方法
    • US08006257B2
    • 2011-08-23
    • US12418577
    • 2009-04-04
    • Chi-Pin KuoCheng-Hsiung ChenChih-Feng Lin
    • Chi-Pin KuoCheng-Hsiung ChenChih-Feng Lin
    • G11B7/24B05D5/06
    • G11B23/0035G11B7/26G11B23/0021
    • An optical disc includes a round opening at the center of the optical disc, an annular recording section configured to record information, an annular supporting section between the round opening and the annular recording section and configured to support the optical disc, and a spoiler provided on a non-read/write side of the annular recording section and configured to disturb the flow field inside the optical disc drive when the optical disc is rotating, the spoiler having a centerline average roughness between 2 μm and 10 μm, a thickness between 0.02 mm and 0.05 mm, an area occupying at least 5% of the non-read/write side. The flow field so disturbed changes from a laminar state to a turbulent state and thus the read/write characteristics of the disc is improved due to lower air resistance experienced by the rotating disc.
    • 光盘包括在光盘中心的圆形开口,被配置为记录信息的环形记录部分,圆形开口和环形记录部分之间的环形支撑部分,并被配置为支撑光盘,以及设置在 环形记录部分的非读/写侧,并且被配置为当光盘旋转时干扰光盘驱动器内的流场,扰流板的中心线平均粗糙度在2μm和10μm之间,厚度在0.02mm之间 和0.05mm,占据非读/写侧至少5%的面积。 如此干扰的流场由层流状态变化到湍流状态,因此由于旋转盘所经受的较低的空气阻力,盘的读/写特性得到改善。
    • 7. 发明授权
    • Tolerable synchronization circuit of RDS receiver
    • RDS接收机的允许同步电路
    • US07907680B2
    • 2011-03-15
    • US11968659
    • 2008-01-03
    • Tien-Ju TsaiChih-Feng LinShih-Chuan Lu
    • Tien-Ju TsaiChih-Feng LinShih-Chuan Lu
    • H03K9/00H04L27/00
    • H04H40/18H04H2201/13
    • A Radio Data System (RDS) decoder circuit determines a subcarrier frequency utilizing only a 57 kHz RDS signal of an FM broadcast signal. The RDS decoder includes a zero-intermediate frequency (zero-IF) FM demodulator, a first mixer, a low-pass filter (LPF) unit, a shaping filter unit, a carrier recovery circuit, a digitally controlled oscillator (DCO), a symbol timing recovery circuit, an integrate and dump circuit, a slicer 280, and a differential decoder. The carrier recovery circuit includes a phase error detector and a digital loop filter (DLF). The symbol timing recovery circuit includes a zero-crossing detector, a phase detector and loop filter unit, and a counter.
    • 无线电数据系统(RDS)解码器电路仅使用FM广播信号的57kHz RDS信号来确定副载波频率。 RDS解码器包括零中频(零中频)FM解调器,第一混频器,低通滤波器(LPF)单元,整形滤波器单元,载波恢复电路,数字振荡器(DCO),数字控制振荡器 符号定时恢复电路,集成和转储电路,限幅器280和差分解码器。 载波恢复电路包括相位误差检测器和数字环路滤波器(DLF)。 符号定时恢复电路包括过零检测器,相位检测器和环路滤波器单元以及计数器。
    • 8. 发明申请
    • TRANSMISSION CONVERGENCE SUBLAYER CIRCUIT AND OPERATING METHOD FOR ASYNCHRONOUS RECEIVER
    • 异步接收机的传输合并子层电路和操作方法
    • US20080008187A1
    • 2008-01-10
    • US11858135
    • 2007-09-20
    • Tien-Ju TsaiChih-Feng Lin
    • Tien-Ju TsaiChih-Feng Lin
    • H04L12/56
    • H04Q11/0478H04L2012/5647H04L2012/5653H04L2012/5673
    • A transmission convergence sublayer circuit is coupled between a buffer and a deframer. The deframer submits a data stream enable signal and data bytes to the circuit. The data stream enable signal enables the circuit so that multiple groups of byte data belonging to a data cell are received and temporarily stored inside a byte-wise data pipeline. A header cyclic redundancy checker also receives the byte data and then conducts a header search. An idle cell identifier is used to determine if the data cell is a non-idle cell. When the header is found and determined to be a non-idle cell, a descrambler retrieves payload data of data cell from the byte-wise data pipeline and conducts a descrambling operation after obtaining a quantity of data equal to a double word. Ultimately, the double word data is output to the buffer with minimum delay.
    • 传输会聚子层电路耦合在缓冲器和解帧器之间。 解帧器向电路提交数据流使能信号和数据字节。 数据流使能信号使能电路,使得属于数据信元的多组字节数据被接收并临时存储在字节数据流水线内。 标题循环冗余校验器还接收字节数据,然后进行标题搜索。 使用空闲小区标识符来确定数据小区是否是非空闲小区。 当标头被找到并被确定为非空闲小区时,解扰器从字节数据流水线检索数据信元的有效载荷数据,并且在获得等于双字的数据量之后进行解扰操作。 最终,双字数据以最小的延迟输出到缓冲器。
    • 9. 发明申请
    • OPTICAL DISC HAVING GAS FLOW SPOILER AND THE METHOD FOR FABRICATING THE SAME
    • 具有气体流动孔的光盘及其制造方法
    • US20100107183A1
    • 2010-04-29
    • US12418577
    • 2009-04-04
    • Chi-Pin KuoCheng-Hsiung ChenChih-Feng Lin
    • Chi-Pin KuoCheng-Hsiung ChenChih-Feng Lin
    • G11B7/24B05D5/06
    • G11B23/0035G11B7/26G11B23/0021
    • An optical disc includes a round opening at the center of the optical disc, an annular recording section configured to record information, an annular supporting section between the round opening and the annular recording section and configured to support the optical disc, and a spoiler provided on a non-read/write side of the annular recording section and configured to disturb the flow field inside the optical disc drive when the optical disc is rotating, the spoiler having a centerline average roughness between 2 μm and 10 μm, a thickness between 0.02 mm and 0.05 mm, an area occupying at least 5% of the non-read/write side. The flow field so disturbed changes from a laminar state to a turbulent state and thus the read/write characteristics of the disc is improved due to lower air resistance experienced by the rotating disc.
    • 光盘包括在光盘中心的圆形开口,被配置为记录信息的环形记录部分,圆形开口和环形记录部分之间的环形支撑部分,并被配置为支撑光盘,以及设置在 环形记录部分的非读/写侧,并且被配置为当光盘旋转时干扰光盘驱动器内的流场,扰流板的中心线平均粗糙度在2μm和10μm之间,厚度在0.02mm之间 和0.05mm,占据非读/写侧至少5%的面积。 如此受干扰的流场由层流状态变化到湍流状态,因此由于旋转盘所经受的较低的空气阻力而改善了盘的读/写特性。
    • 10. 发明申请
    • Tolerable Synchronization Circuit of RDS Receiver
    • RDS接收机的容限同步电路
    • US20090175385A1
    • 2009-07-09
    • US11968659
    • 2008-01-03
    • Tien-Ju TsaiChih-Feng LinShih-Chuan Lu
    • Tien-Ju TsaiChih-Feng LinShih-Chuan Lu
    • H04L27/22
    • H04H40/18H04H2201/13
    • A Radio Data System (RDS) decoder circuit determines a subcarrier frequency utilizing only a 57 kHz RDS signal of an FM broadcast signal. The RDS decoder includes a zero-intermediate frequency (zero-IF) FM demodulator, a first mixer, a low-pass filter (LPF) unit, a shaping filter unit, a carrier recovery circuit, a digitally controlled oscillator (DCO), a symbol timing recovery circuit, an integrate and dump circuit, a slicer 280, and a differential decoder. The carrier recovery circuit includes a phase error detector and a digital loop filter (DLF). The symbol timing recovery circuit includes a zero-crossing detector, a phase detector and loop filter unit, and a counter.
    • 无线电数据系统(RDS)解码器电路仅使用FM广播信号的57kHz RDS信号来确定副载波频率。 RDS解码器包括零中频(零中频)FM解调器,第一混频器,低通滤波器(LPF)单元,整形滤波器单元,载波恢复电路,数字振荡器(DCO),数字控制振荡器 符号定时恢复电路,集成和转储电路,限幅器280和差分解码器。 载波恢复电路包括相位误差检测器和数字环路滤波器(DLF)。 符号定时恢复电路包括过零检测器,相位检测器和环路滤波器单元以及计数器。