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    • 3. 发明授权
    • Method and apparatus for driving electrochromic display device
    • 用于驱动电致变色显示装置的方法和装置
    • US4060974A
    • 1977-12-06
    • US701971
    • 1976-07-01
    • Minoru NatoriToshikazu HatuseKouhei KawanobeHiroshi OgawaFukuo SekiyaHeihachiro EbiharaMisao Uchino
    • Minoru NatoriToshikazu HatuseKouhei KawanobeHiroshi OgawaFukuo SekiyaHeihachiro EbiharaMisao Uchino
    • G04G9/00G04G19/04G04C3/00
    • G04G19/04G04G9/0047
    • A method and apparatus for driving an electrochromic display device in which an electric current is applied only to one of display elements for which non-coincidence exists between an initially applied display information signal and a subsequently applied display information signal. In one preferred embodiment, a driver circuit comprises a latch circuit for storing a display information signal, a non-coincidence detection circuit for detecting non-coincidence between a subsequently applied display information signal and an initially applied display information signal stored in the latch circuit, and a signal generating circuit responsive to a non-coincidence signal from the detection circuit for generating an output signal for a display element for which non-coincidence is detected. In another preferred embodiment, a driver circuit comprises a latch circuit for generating an output at the instant delayed from a display information signal, and gate means for generating an output signal in response to the display information signal and the output from the latch circuit.
    • 一种用于驱动电致变色显示装置的方法和装置,其中仅对最初施加的显示信息信号和随后应用的显示信息信号之间不重合的显示元件之一施加电流。 在一个优选实施例中,驱动器电路包括用于存储显示信息信号的锁存电路,用于检测随后施加的显示信息信号和存储在锁存电路中的初始施加的显示信息信号之间的不一致的非重合检测电路, 以及响应于来自检测电路的不一致信号的信号发生电路,用于产生检测不一致的显示元件的输出信号。 在另一个优选实施例中,驱动器电路包括用于在从显示信息信号延迟的瞬间产生输出的锁存电路,以及响应于显示信息信号和来自锁存电路的输出产生输出信号的门装置。