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    • 6. 发明授权
    • Transistor and method for fabricating the same
    • 晶体管及其制造方法
    • US07071068B2
    • 2006-07-04
    • US10889067
    • 2004-07-13
    • Jae Goan Jeong
    • Jae Goan Jeong
    • H01L21/336
    • H01L29/4925H01L21/28114H01L21/28123
    • A transistor and a method for fabricating the same that involves a forming a device isolation oxide film semiconductor substrate, forming an opening in the device isolation oxide to open the substrate and define an active region, the junction between the oxide and the substrate having a rounded profile, and then forming a complex gate electrode structure in the active region. The preferred gate electrode structure comprises a gate oxide and a stacked conductor structure having a first and a second conductor, an optional hard mask layer formed on the second conductor, an oxide layer formed on the first conductor, and nitride spacers formed on the oxide layer on the sidewalls of the gate electrode. On either side of the gate electrode structure lightly doped drain (LDD) regions and source drain regions are then formed in the active region of the semiconductor substrate. The wafer is then planarized with one or more insulating films to condition the wafer for subsequent processing.
    • 一种晶体管及其制造方法,其包括形成器件隔离氧化膜半导体衬底,在器件隔离氧化物中形成开口以打开衬底并限定有源区,氧化物和衬底之间的接合处具有圆形 然后在有源区中形成复杂的栅电极结构。 优选的栅电极结构包括栅极氧化物和具有第一和第二导体的叠层导体结构,在第二导体上形成的任选的硬掩模层,形成在第一导体上的氧化物层,以及形成在氧化物层上的氮化物间隔物 在栅电极的侧壁上。 在栅电极结构的任一侧,然后在半导体衬底的有源区中形成轻掺杂漏极(LDD)区和源漏区。 然后将晶片用一个或多个绝缘膜平坦化以调节晶片以用于后续处理。
    • 9. 发明授权
    • Rate control apparatus and method for real-time video communication
    • 用于实时视频通信的速率控制装置和方法
    • US06937653B2
    • 2005-08-30
    • US09861359
    • 2001-05-18
    • Joon-Ho SongHyun-Soo KangJae-Won Chung
    • Joon-Ho SongHyun-Soo KangJae-Won Chung
    • H04N19/00G06F15/16H04N19/126H04N19/132H04N19/146H04N19/176H04N19/196H04N19/423H04N19/70H04N19/91H04N7/18
    • H04N19/587H04N19/115H04N19/124H04N19/132H04N19/149H04N19/152H04N19/164H04N19/172H04N19/176H04N19/196H04N19/197H04N19/61
    • A rate control apparatus for real-time video communication includes: an initialization unit for setting an initial value required for rate control according to a transmission speed and the number of input frames; a target bit calculation unit for obtaining the target number of encoding bits, maximum allowable number of bits, and minimum allowable number of bits in consideration of a buffer state and a transmission speed; a rate control and encoder unit for executing rate control and encoding using the maximum allowable number of bits and the minimum allowable number of bits; a stuffing control unit for comparing the size of a bit stream from the rate control and encoding unit with the target number of encoding bits from the target bit calculation unit for thereby outputting stuffing bits; a buffering unit for storing a combination of the bit stream from the rate control encoding unit and the stuffing bits from the stuffing control unit for thereby outputting them to the target bit calculation unit; a frame skip unit for outputting a frame skip signal according to the buffer occupied state signal from the buffering unit; and a control logic unit for controlling an encoding process of each of the above elements and determining whether or not the next input frame is encoded according to the frame skip signal from the frame skip unit.
    • 一种用于实时视频通信的速率控制装置包括:初始化单元,用于根据传输速度和输入帧数量设置速率控制所需的初始值; 考虑到缓冲状态和传输速度的目标比特计算单元,用于获得目标编码比特数,最大允许比特数和最小允许比特数; 速率控制和编码器单元,用于使用最大允许位数和最小允许位数执行速率控制和编码; 填充控制单元,用于将来自速率控制和编码单元的比特流的大小与来自目标比特计算单元的目标编号比特数进行比较,从而输出填充比特; 缓冲单元,用于存储来自速率控制编码单元的比特流和来自填充控制单元的填充比特的组合,从而将它们输出到目标比特计算单元; 帧跳过单元,用于根据来自缓冲单元的缓冲器占用状态信号输出帧跳过信号; 以及控制逻辑单元,用于控制上述每个元素的编码处理,并根据来自帧跳过单元的帧跳过信号确定下一个输入帧是否被编码。