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公开(公告)号：KR1019920010784B1
公开(公告)日：1992-12-17
申请号：KR1019900006721
申请日：1990-05-11
Applicant: 삼성전자주식회사
Inventor： 조현덕
IPC: H04N7/12
CPC classification number: H04N11/006 , H04N5/44 , H04N5/455 , H04N5/60 , H04N7/015 , H04N7/087 , H04N19/186 , H04N19/587 , H04N19/59
Abstract: The system for providing high definition signals using same the frequency band as NTSC signals comprises a receiver processor (1) for processing the aerial inputs and a narrow band filter (2) for separating an IF signal from the carrier. The IF signal is filtered (3) to provide an input to a quadrative phase shift modulator (4), with multipliers (41,42) handling the frequency phase locked loop (5) signal. Outputs are filtered at (6,7) and converted into digital form (8,9) and are separated at (15) into a sync. signal, an audio signal, a motion vector and a control signal. The signals are processed (10) to control the D/A output stage (14).
Abstract translation: 用NTSC信号提供高频信号的系统包括用于处理天线输入的接收机处理器（1）和用于从载波分离IF信号的窄带滤波器（2）。 对IF信号进行滤波（3），以便通过处理频率锁相环（5）信号的乘法器（41,42）向二次相移调制器（4）提供输入。 输出在（6,7）处被滤波并转换成数字形式（8,9），并在（15）处分离成同步。 信号，音频信号，运动矢量和控制信号。 对信号进行处理（10）以控制D / A输出级（14）。
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公开(公告)号：KR1019920006149B1
公开(公告)日：1992-07-31
申请号：KR1019880017817
申请日：1988-12-29
Applicant: 삼성전자주식회사
Inventor： 조현덕
IPC: H04N3/16
Abstract: The scanning circuit extracts brightness and color signal from video signal to detect movement signal and converts interlaced scanning to sequential scanning using the movement signal. The circuit includes a comb filter (12) for extracting brightness and color signal, a frame difference detector (13) for detecting brightness difference of frames from field brightness data (Yf), a field difference detector (14) for detecting brightness difference of fields from field brightness data, a level comparator (15) for comparing output signals of the field and the frame brightness difference detector, a mixer (16) for mixing comb output signal, a sequential scanning signal generator (17) for generating sequential scanning signal according to the output signal of the mixer, and a level controller (18) for controlling ratio of the mixer and for generating scanning control signal.
Abstract translation: 扫描电路从视频信号中提取亮度和颜色信号以检测移动信号，并使用移动信号将隔行扫描转换为顺序扫描。 电路包括用于提取亮度和颜色信号的梳状滤波器（12），用于从场亮度数据（Yf）检测帧的亮度差的帧差检测器（13），用于检测场亮度差的场差检测器（14） 根据场亮度数据，用于比较场和帧亮度差检测器的输出信号的电平比较器（15），用于混合梳状输出信号的混频器（16），用于产生顺序扫描信号的顺序扫描信号发生器（17） 到混频器的输出信号;以及电平控制器（18），用于控制混频器的比例并产生扫描控制信号。
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Patent Agency Ranking
公开(公告)号：KR1019900007931B1
公开(公告)日：1990-10-23
申请号：KR1019870011179
申请日：1987-10-02
Applicant: 삼성전자주식회사
Inventor： 조현덕
IPC: H03M1/12
Abstract: The circuit for selecting the correct digital signal without noise comprises a delay circuit delaying the signal converted from analog signal to digital one, a signal prediction circuit adding the delayed output and A/D converter output and shifting them to predict the correct signal from the neighbour signal having a certain relationship, a comparator comparing the output of the delay circuit and the signal predcition circuit, and signal selection circuit selecting the correct digital signal after comparing the output of the comparator with the noise level reference signal.
Abstract translation: 用于选择无噪声的正确数字信号的电路包括将从模拟信号转换为数字信号的信号延迟的延迟电路，将延迟输出和A / D转换器输出相加的信号预测电路，并将其移位以预测来自邻居的正确信号 具有一定关系的信号，比较延迟电路的输出和信号预测电路的比较器，以及在比较比较器的输出与噪声电平参考信号之后选择正确的数字信号的信号选择电路。
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公开(公告)号：KR1019890004371B1
公开(公告)日：1989-10-31
申请号：KR1019860007558
申请日：1986-09-09
Applicant: 삼성전자주식회사
Inventor： 조현덕
Abstract: The meter includes a frequency counter (60) for loading or charging a counter (CT1) utilizing output signal of blanking signal divider (30) and synchronous signal divider (20) connected to counter (T1) through logic gates (G1-G6) and for counting and storing output signal of comparator (50) to registor (RG1) modulated to rectangular wave by Schmidt trigger circuit, a frequency counter (65) for loading or clearing the counter (CT2) and for storing to the registor utilizing the same circuit, a comparator (55) for comparing output signal of registors (RG1, RG2), for storing output signal (out) to a registor (RG3) and for transmitting it to a controller (70) when the registor (RG3) is enabled.
Abstract translation: 该仪表包括一个频率计数器（60），用于利用消隐信号分配器（30）的输出信号和通过逻辑门（G1-G6）连接到计数器（T1）的同步信号分配器（20）来加载或计费计数器（CT1） 用于通过施密特触发电路将比较器（50）的输出信号计数和存储到调制到矩形波的转换器（RG1）上，用于加载或清除计数器（CT2）的频率计数器（65），并使用相同的电路存储到转换器 比较器（55），用于比较输出信号（RG1，RG2）的输出信号，用于将输出信号（输出）存储到转换器（RG3），并在转换器（RG3）使能时将其发送到控制器（70）。
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