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    • 1. 发明申请
    • VIRTUAL MULTIPROCESSOR SYSTEM
    • 虚拟多媒体系统
    • US20090187903A1
    • 2009-07-23
    • US12346987
    • 2008-12-31
    • Akira UEDATakao YAMAMOTOShinji OZAKIMasahide KAKEDA
    • Akira UEDATakao YAMAMOTOShinji OZAKIMasahide KAKEDA
    • G06F9/455
    • G06F9/45558G06F11/3636G06F11/3648G06F2009/45591
    • A virtual multiprocessor system which does not require a memory apparatus for debugging includes: a physical processor, storage units for storing status information indicating respective statuses of logic processors, a dispatch unit which assigns one of the logic processors by switching the logic processors with respect to a physical processor, and an interrupt unit which suspends the processing currently executed by a current logic processor among the logic processors by issuing a debug interrupt request to the current logic processor; in the virtual multiprocessor system, the dispatch unit stores status information corresponding to the current logic processor into one of the storage units in response to the debug interrupt request issued to the current logic processor that is assigned to the physical processor.
    • 不需要用于调试的存储器装置的虚拟多处理器系统包括:物理处理器,用于存储指示逻辑处理器的各自状态的状态信息的存储单元,调度单元,其通过将逻辑处理器相对于 物理处理器和中断单元,其通过向当前逻辑处理器发出调试中断请求来暂停当前逻辑处理器在逻辑处理器中执行的处理; 在虚拟多处理器系统中,调度单元响应于发送给分配给物理处理器的当前逻辑处理器的调试中断请求,将与当前逻辑处理器相对应的状态信息存储到一个存储单元中。
    • 7. 发明申请
    • DISCHARGE LAMP LIGHTING DEVICE AND PROJECTION-TYPE VIDEO DISPLAY APPARATUS
    • 放电灯照明装置和投影型视频显示装置
    • US20110096248A1
    • 2011-04-28
    • US12910923
    • 2010-10-25
    • Akira UEDA
    • Akira UEDA
    • H04N9/31H05B41/36
    • H05B41/2885H04N9/3155
    • A discharge lamp lighting device includes a lamp current control portion that generates, in synchronization with an input video signal, a control signal for controlling polarity reversal of an AC current with a steady-state lighting frequency and an AC current with a low frequency, and a lamp driving portion that drives the discharge lamp based on the control signal that is output by the lamp current control portion. The lamp current control portion generates a control signal for a brightness reduction waveform with timing corresponding to polarity reversal of the AC current with the steady-state lighting frequency, and the lamp driving portion inserts a current reduction waveform into the AC current with the low frequency by decreasing a voltage applied to the discharge lamp based on the control signal for the brightness reduction waveform. It is possible to reduce flicker that could be perceived due to insertion of a period without a reduction of the projection light amount (a period without a polarity reversal at the low frequency) during repeated reductions of the projection light amount occurring at intervals of polarity reversal of the steady-state lighting frequency.
    • 放电灯点亮装置包括灯电流控制部分,其与输入视频信号同步地产生用于控制具有稳态点亮频率和低频的交流电流的交流电流的极性反转的控制信号,以及 灯驱动部,其基于由灯电流控制部输出的控制信号驱动放电灯。 灯电流控制部分产生用于具有与具有稳态点亮频率的AC电流的极性反转相对应的定时的亮度降低波形的控制信号,并且灯驱动部分将电流减小波形插入到具有低频率的AC电流中 通过基于用于亮度降低波形的控制信号减小施加到放电灯的电压。 在反复减少以极性反转的间隔发生的投影光量的情况下,可以减少由于插入一段时间而不会减少投影光量(在低频时没有极性反转的周期)的闪烁。 的稳态照明频率。