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    • 7. 发明授权
    • Horizontal deflection circuit
    • 水平偏转电路
    • US5019754A
    • 1991-05-28
    • US413456
    • 1989-09-27
    • Makoto OnozawaMichitaka OhsawaKatsuhiko Tonami
    • Makoto OnozawaMichitaka OhsawaKatsuhiko Tonami
    • H04N3/16G09G1/04G09G1/16H03K4/62
    • G09G1/04H03K4/62
    • A horizontal deflection circuit comprising a horizontal output transistor, and a drive circuit is connected between the base and the emitter of the horizontal output transistor to supply a base drive voltage to the horizontal output transistor in order to control the conduction between the collector and the emitter of the horizonal output transistor, wherein first and second switching means are provided in parallel between the base of the horizontal output transistor and the drive circuit (or between the emitter of the horizontal output transistor and the drive circuit), the first switching means permitting only the current to flow from the base of the horizontal output transistor to the drive circuit (or from the drive circuit to the emitter of the horizontal outut transistor) and the second switching means being conductive only during the conductive period of the horizontal output transistor.
    • 水平偏转电路包括水平输出晶体管,驱动电路连接在水平输出晶体管的基极和发射极之间,以将基极驱动电压提供给水平输出晶体管,以便控制集电极和发射极之间的导通 的水平输出晶体管,其中第一和第二开关装置并联设置在水平输出晶体管的基极与驱动电路之间(或水平输出晶体管的发射极与驱动电路之间),第一开关装置仅允许 从水平输出晶体管的基极流到驱动电路(或从驱动电路到水平输出晶体管的发射极)和第二开关装置的电流仅在水平输出晶体管的导通周期期间导通。