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    • 6. 发明授权
    • Printhead temperature monitoring system and method utilizing switched, multiple speed interrupts
    • 打印头温度监控系统和方法利用切换,多速中断
    • US06382758B1
    • 2002-05-07
    • US09583851
    • 2000-05-31
    • George ChausanskiDuane Edward Norris
    • George ChausanskiDuane Edward Norris
    • B41J201
    • B41J2/0454B41J2/04563B41J2/0458
    • A printhead temperature monitoring system includes a processor having a top priority interrupt input, a normal priority interrupt input, and at least one input for receiving temperature related signals. The processor is programmed or otherwise operable to calculate a printhead temperature based at least in part upon temperature related signals read on the input. A single timer circuit provides interrupt signals to the interrupt inputs of the processor. An interrupt control circuit is connected between the single timer circuit and the processor for selectively controlling application of timer circuit interrupt signals to the top priority interrupt of the processor and the normal priority interrupt of the processor.
    • 打印头温度监控系统包括具有最高优先级中断输入,正常优先级中断输入和用于接收温度相关信号的至少一个输入的处理器。 处理器被编程或以其他方式可操作以至少部分地基于在输入上读取的温度相关信号来计算打印头温度。 单个定时器电路为处理器的中断输入提供中断信号。 中断控制电路连接在单个定时器电路和处理器之间,用于选择性地控制将定时器电路中断信号应用于处理器的最高优先级中断和处理器的正常优先级中断。