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    • 5. 发明授权
    • Fluorescent lamp controller and original-document exposing apparatus a
having the fluorescent lamp contoller
    • 荧光灯控制器和具有荧光灯调光器的原稿曝光装置a
    • US5659227A
    • 1997-08-19
    • US494786
    • 1995-06-26
    • Takahiro UshiroKazuki MiyamotoNaoyuki OhkiShinichi Takata
    • Takahiro UshiroKazuki MiyamotoNaoyuki OhkiShinichi Takata
    • H05B41/295H05B37/02
    • H05B41/295
    • A fluorescent lamp controller for an original-document exposing apparatus includes a detection circuit for detecting the quantity of light emitted by a fluorescent lamp, an actuator for applying between filaments of the fluorescent lamp a voltage having a duty that is determined in accordance with the quantity of light detected, and a preheating circuit for preheating each of the filaments of the fluorescent lamp by applying a preheating voltage. According to the present invention, the actuator applies, between the filaments of the fluorescent lamp, a voltage having a duty which is smaller than the full duty regardless of a result of the quantity of light detected in a predetermined period at a start of turning the fluorescent lamp on, and the preheating circuit applies the preheating voltage to each of the filaments of the fluorescent lamp simultaneously with the application of the turning on voltage.
    • 用于原稿曝光装置的荧光灯控制器包括用于检测由荧光灯发射的光量的检测电路,用于在荧光灯的灯丝之间施加具有根据数量确定的占空比的电压的致动器 的光,以及预热电路,用于通过施加预热电压来预热荧光灯的每根灯丝。 根据本发明,致动器在荧光灯的灯丝之间施加具有小于满负荷的占空比的电压,而不管在转动开始时在预定时间段内检测到的光量的结果如何 荧光灯开启,并且预热电路在施加导通电压的同时将预热电压施加到荧光灯的每个灯丝。
    • 10. 发明申请
    • WIRELESS COMMUNICATION APPARATUS AND WIRELESS COMMUNICATION METHOD
    • 无线通信设备和无线通信方法
    • US20120149311A1
    • 2012-06-14
    • US13191916
    • 2011-07-27
    • Shinichi Takata
    • Shinichi Takata
    • H04B17/00
    • H04B7/12H04W72/02H04W76/14
    • A wireless communication apparatus is provided for selecting an optimum frequency even when radio wave conditions have changed. A wireless communication apparatus provided with a frequency selector for selecting an optimum frequency for establishing a link for mutually transmitting and receiving has a transceiver for transmitting radio waves to another wireless communication apparatus and receiving from the other wireless communication apparatus radio waves responding to those transmitted radio waves, a quality analyzer for analyzing communication quality indicating the condition of the link from the received radio waves, and a quality updater for updating the analyzed communication quality on the basis of time elapsed from when the radio waves were received. In addition, the frequency selector selects the optimum frequency on the basis of the updated communication quality.
    • 提供一种无线通信装置,用于当无线电波条件已经改变时选择最佳频率。 具有用于选择用于建立用于相互发送和接收的链路的最佳频率的频率选择器的无线通信装置具有用于向另一无线通信装置发送无线电波的收发机,并且从其他无线通信装置接收响应于所发送的无线电的无线电 波形,用于分析指示来自接收的无线电波的链路的状况的通信质量的质量分析器,以及用于基于从无线电波接收到的时间经过的时间来更新分析的通信质量的质量更新器。 此外,频率选择器基于更新的通信质量来选择最佳频率。