专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US5771075A Audio/video synchronizer 失效
标题翻译：音频/视频同步器
公开(公告)号：US5771075A
公开(公告)日：1998-06-23
申请号：US567689
申请日：1995-12-05
申请人： Chai Yeol Rim , Yong Hoon Kim
发明人： Chai Yeol Rim , Yong Hoon Kim
IPC分类号： H04N7/52 , H04N9/475
CPC分类号： H04N21/4341 , H04N21/4305 , H04N21/4307
摘要： An audio/video synchronizer for a digital TV is disclosed including: a system decoder for parsing an input data packet and outputting compressed data of audio and video signals and PTS/DTS and PCR or SCR; an audio/video decoder for decoding the compressed data output from the system decoder, outputting a DTS for the video or audio frame to be decoded, and outputting a decoding ready signal indicating that decoding of the video or audio frame is finished, and a PTS of corresponding data; a frame memory for storing the audio/video data from the audio/video decoder; a clock generator for dividing an input clock into a predetermined value to generate horizontal and vertical sync signals and a PCM clock of the audio signal; an audio/video playing portion for playing the data decoded in the audio/video decoder according to the decoding ready signal in synchronization with the vertical and horizontal sync signals from the clock generator and the audio PCM clock, and outputting the PTS of a picture played and the audio frame; and a PTS/DTS controller for comparing the PTS input from the audio/video playing portion or the DTS from the audio/video decoder with the PCR or SCR input from the system decoder, thereby controlling the audio/video decoder and audio/video playing portion according to their difference.
摘要翻译：公开了一种用于数字电视的音频/视频同步器，包括：用于解析输入数据分组并输出音频和视频信号以及PTS / DTS和PCR或SCR的压缩数据的系统解码器; 用于解码从系统解码器输出的压缩数据的音频/视频解码器，输出用于要解码的视频或音频帧的DTS，并且输出指示视频或音频帧的解码的解码就绪信号完成，以及PTS 的相应数据; 用于存储来自音频/视频解码器的音频/视频数据的帧存储器; 时钟发生器，用于将输入时钟分为预定值，以产生音频信号的水平和垂直同步信号和PCM时钟; 音频/视频播放部分，用于根据来自时钟发生器和音频PCM时钟的垂直和水平同步信号同步地根据解码就绪信号播放音频/视频解码器中解码的数据，并输出播放的图像的PTS 和音频帧; 以及PTS / DTS控制器，用于将来自音频/视频播放部分的PTS输入或来自音频/视频解码器的DTS与来自系统解码器的PCR或SCR输入进行比较，从而控制音频/视频解码器和音频/视频播放部分根据他们的差异。

2. 发明授权

US5757910A Apparatus for preventing illegal copying of a digital broadcasting signal 失效
标题翻译：用于防止非法复制数字广播信号的装置
公开(公告)号：US5757910A
公开(公告)日：1998-05-26
申请号：US661661
申请日：1996-06-11
申请人： Chai Yeol Rim
发明人： Chai Yeol Rim
IPC分类号： H04N5/913 , H04N7/167 , H04N7/169 , H04N21/4408
CPC分类号： H04N21/4408 , H04N5/913 , H04N7/1675 , H04N7/169 , H04N2005/91314 , H04N2005/91385
摘要： An apparatus for preventing illegal copying of a digital broadcasting signal, comprises a transmission section for generating a copy prevention signal to determine a display time of each field of a digital video signal on a screen, compressing the digital video signal and the copy prevention signal, modulating the compressed copy prevention signal and digital video signal into the digital broadcasting signal and transmitting the digital broadcasting signal through a transmitting antenna, and a reception section for receiving the digital broadcasting signal transmitted from the transmission section through a receiving antenna, demodulating the received digital broadcasting signal into the digital video signal, expanding the demodulated digital video signal, detecting the copy prevention signal from the expanded digital video signal, generating horizontal and vertical synchronous signals in response to the detected copy prevention signal and displaying the expanded digital video signal on the screen synchronously with the generated horizontal and vertical synchronous signals.
摘要翻译：一种用于防止数字广播信号的非法复制的装置，包括：发送部分，用于产生防复制信号，以确定屏幕上的数字视频信号的每个场的显示时间，压缩数字视频信号和防复制信号; 将压缩防复制信号和数字视频信号调制成数字广播信号，并通过发送天线发送数字广播信号;以及接收部分，用于通过接收天线接收从发送部分发送的数字广播信号，解调所接收的数字广播信号到数字视频信号中，扩展解调的数字视频信号，从扩展的数字视频信号中检测防复制信号，响应于检测到的防复制信号产生水平和垂直同步信号，并显示扩展的数字视频信号o 在屏幕上同步产生的水平和垂直同步信号。

3. 发明授权

US6134272A Data input/output apparatus of transport decoder 失效
标题翻译：传输解码器的数据输入/输出设备
公开(公告)号：US6134272A
公开(公告)日：2000-10-17
申请号：US773418
申请日：1996-12-27
申请人： Chai Yeol Rim
发明人： Chai Yeol Rim
IPC分类号： H04N5/44 , H04N21/434 , H04N7/12 , H04N11/02 , H04N11/04
CPC分类号： H04N21/434 , H04N21/4341 , H04N21/4392 , H04N21/44004 , H04N5/4401
摘要： A data input/output apparatus of a transport decoder. The apparatus has a memory and a transport packet decoder for storing input image bit stream in the memory, after performing a decoding with the input image bit stream, storing and outputting only needed data, and outputting the rest data to outside.
摘要翻译：传输解码器的数据输入/输出装置。该装置具有存储器和传输分组解码器，用于在输入图像比特流执行解码之后，将输入图像比特流存储在存储器中，仅存储和输出所需数据，并将剩余数据输出到外部。

4. 发明授权

US5841472A MPEG2 transport decoder 失效
标题翻译： MPEG2传输解码器
公开(公告)号：US5841472A
公开(公告)日：1998-11-24
申请号：US559634
申请日：1995-11-20
申请人： Chai Yeol Rim , Hyun Soo Lee
发明人： Chai Yeol Rim , Hyun Soo Lee
IPC分类号： H04N19/102 , H04N5/00 , H04N7/52 , H04N19/00 , H04N19/152 , H04N19/423 , H04N19/44 , H04N19/70 , H04N7/24
CPC分类号： H04N21/434 , H04N19/00 , H04N19/61 , H04N7/52 , H04N19/70
摘要： Disclosed is an MPEG2 transport decoder including a transport parser unit for storing each syntax field value by parsing, outputting each data identified with the packet identifier PID after collecting from each packet data and outputting the interrupt signal if a pointed resister value of the resist values is set; a CPU interface unit for providing an interface between the resister file of said transport parser unit and each decoder and outputting a signal selecting a transport parser unit or a video decoder, an audio decoder, a data decoder and a memory by decoding the address; a CPU for reading the interrupt resister from said CPU interface unit once an interrupt signal is inputted, detecting if the interrupt signal is inputted from said transport parser unit or from the video decoder, the audio decoder and the data decoder, and decoding according to the program on a memory unit; a memory unit for storing a program of the operations of said CPU; and a decoder interface unit for controlling in order to exchanging the data among said CPU, said transport parser unit and said video, audio, data decoders.
摘要翻译：公开了一种MPEG2传输解码器，其包括用于通过解析来存储每个语法字段值的传输解析器单元，从每个分组数据收集之后输出由分组标识符PID识别的每个数据，并且如果抗蚀剂值的指向寄存器值为组; CPU接口单元，用于在所述传输解析器单元的寄存器文件和每个解码器之间提供接口，并通过解码地址来输出选择传输解析器单元或视频解码器，音频解码器，数据解码器和存储器的信号; 一旦中断信号被输入，CPU就从所述CPU接口单元读取中断电阻，检测中断信号是否从所述传输解析器单元或视频解码器，音频解码器和数据解码器输入，以及按照程序存储单元; 用于存储所述CPU的操作的程序的存储单元; 以及解码器接口单元，用于控制以便在所述CPU，所述传输解析器单元和所述视频，音频数据解码器之间交换数据。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式