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    • 19. 发明授权
    • Power saving display device and method for controlling power thereof
    • 省电显示装置及其功率控制方法
    • US5870086A
    • 1999-02-09
    • US914028
    • 1997-08-14
    • Jeong-Ho Bang
    • Jeong-Ho Bang
    • G06F1/26G06F1/32G09G1/00G09G5/00H04N5/63
    • G06F1/3218G09G1/005G09G2330/021
    • A power saving display device and a method for controlling power thereof. The power saving display device comprises a main power supply circuit for converting an output voltage from a power rectifier into desired voltages to be supplied to components in the display device, a synchronous signal discriminator for discriminating whether horizontal and vertical synchronous signals are inputted and generating first and second control signals for power management in accordance with the discriminated result, a main power interrupter for interrupting the operation of the main power supply circuit in response to the first control signal from the synchronous signal discriminator, an auxiliary power supply circuit being continuously operated in response to the output voltage from the power rectifier although the main power supply circuit is interrupted in operation, a heater power regulation circuit for varying a voltage being supplied to a heater of a cathode ray tube or maintaining it constantly in response to the second control signal from the synchronous signal discriminator, and a heater power connector for supplying an output voltage from the auxiliary power supply circuit to the heater power regulation circuit when the main power supply circuit is interrupted in operation.
    • 省电显示装置及其功率控制方法。 省电显示装置包括用于将来自功率整流器的输出电压转换成要提供给显示装置中的部件的期望电压的主电源电路,用于鉴别是否输入水平和垂直同步信号的同步信号鉴别器,并且首先产生 以及用于根据鉴别结果进行功率管理的第二控制信号,用于响应于来自同步信号鉴别器的第一控制信号中断主电源电路的操作的主电源中断器,辅助电源电路连续工作在 响应于来自功率整流器的输出电压,尽管主电源电路在操作中被中断,加热器功率调节电路用于改变被提供给阴极射线管的加热器的电压或者响应于第二控制信号而不断地保持 来自同步信号 卷边器和加热器电源连接器,用于当主电源电路在操作中断时,将辅助电源电路的输出电压提供给加热器功率调节电路。