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    • 10. 发明申请
    • HORIZONTAL DEFLECTION CIRCUIT
    • 水平偏转电路
    • WO99062247A1
    • 1999-12-02
    • PCT/JP1999/002744
    • 1999-05-25
    • H04N3/16H04N3/233H04N3/237H04N3/23
    • H04N3/237H04N3/233
    • To stabilize the operation of a horizontal deflection output, a horizontal deflection circuit device has a first parallel circuit (P1) including a first switching element (11), a first damper diode (12) and a first resonance capacitor (13), a second parallel circuit (P2) including a second switching element (21), a second damper diode (22) and a second resonance capacitor (23), a horizontal deflecting yoke (2) connected to the second parallel circuit (P2), and a fly-back transformer (1), so as to combining pulses from the first and second parallel circuits (P2) and thereby to generate a deflecting current. The circuit further has a second integrating circuit (16) for integrating an input horizontal deflection drive signal, first and second comparing/latching circuits (17 and 27) for comparing the signal from the integrating circuit (16) with first and second levels and for latching it, first and second drive circuits (19 and 29) for driving the first and second switching elements (11 and 21), and control means for controlling the second level.
    • 为了稳定水平偏转输出的操作,水平偏转电路装置具有包括第一开关元件(11),第一阻尼二极管(12)和第一谐振电容器(13)的第一并联电路(P1),第二并联电路 包括第二开关元件(21),第二阻尼二极管(22)和第二谐振电容器(23)的并联电路(P2),连接到第二并联电路(P2)的水平偏转磁轭(2) (1),以便组合来自第一和第二并联电路(P2)的脉冲,从而产生偏转电流。 该电路还具有用于积分输入水平偏转驱动信号的第二积分电路(16),用于将来自积分电路(16)的信号与第一和第二电平进行比较的第一和第二比较/锁存电路(17和27) 锁定它,用于驱动第一和第二开关元件(11和21)的第一和第二驱动电路(19和29)以及用于控制第二电平的控制装置。