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    • 84. 发明授权
    • 기록/재생기기의 임의기록 자동방지회로
    • 记录器和编码器的免费记录保护电路
    • KR1019890003722B1
    • 1989-09-30
    • KR1019860009054
    • 1986-10-29
    • 삼성전자주식회사
    • 서정훈
    • G06F13/00
    • The circuit for preventing the record operation includes a record protecting signal generator (50) whose signal does not interfere with the band of signal processor (40), a mixer unit (60) for mixing and amplifying the record protecting signal and modulated signal of signal processor, and for transmitting the mixed signal to a record/ reproduce unit (70), a dividing unit (80) for dividing and detecting the record protecting signal and reproducing it by bandpass filtering the signal given from unit (70), a unit (90) for transmitting the record protecting recognition signal, and a syscon (10) for controlling the record performance according to the record protecting recognittion signal in record mode.
    • 用于防止记录操作的电路包括其信号不干扰信号处理器(40)的频带的记录保护信号发生器(50),用于混合和放大记录保护信号和信号的调制信号的混合器单元(60) 处理器,并且用于将混合信号发送到记录/再现单元(70);分割单元(80),用于对记录保护信号进行分频和检测,并通过对从单元(70)给出的信号进行带通滤波,再现单元(80) 90),以及用于根据记录模式下的记录保护识别信号来控制记录性能的系统管理系统(10),用于发送记录保护识别信号。