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    • 1. 发明授权
    • Laser diode control method, laser diode control device, and information recording/playback apparatus
    • 激光二极管控制方法,激光二极管控制装置和信息记录/重放装置
    • US07769064B2
    • 2010-08-03
    • US12164894
    • 2008-06-30
    • Kenichi Nagashima
    • Kenichi Nagashima
    • H01S3/04
    • H01S5/06804G11B7/0045G11B7/08505G11B7/126G11B19/2054
    • Even though a laser diode is within the operation guarantee temperature range, the rise time characteristics required to protect and maintain the writing quality right away may not be present at a lower temperature. By sufficiently increasing the rise time, a laser diode control method of the present invention makes it possible to write readily. A laser diode control device includes a temperature sensor for detecting temperature of a laser diode. When a detected temperature by the temperature sensor is equal to or below a predetermined value within the operation guarantee temperature range, a seek motor controls the position of a pickup to move the pickup to a region outside a recording region of a recording medium. In this way, a current exceeding a threshold current value is supplied to the laser diode, and the writing operation starts after the laser diode temperature is increased up to a level where the rise time characteristics required to protect and maintain the writing quality is present.
    • 即使激光二极管处于运行保证温度范围内,保持和保持书面质量所需的上升时间特性也不会在较低温度下出现。 通过充分提高上升时间,本发明的激光二极管控制方法能够容易地进行写入。 激光二极管控制装置包括用于检测激光二极管的温度的温度传感器。 当温度传感器的检测温度在操作保证温度范围内等于或低于预定值时,寻道电机控制拾取器的位置以将拾取器移动到记录介质的记录区域之外的区域。 以这种方式,将超过阈值电流值的电流提供给激光二极管,并且在激光二极管温度升高到存在保护和保持写入质量所需的上升时间特性的水平之后开始写入操作。
    • 5. 发明授权
    • Liquid cooling system for notebook computer
    • 笔记本电脑液体冷却系统
    • US06791834B2
    • 2004-09-14
    • US10307964
    • 2002-12-03
    • Tsuyoshi NakagawaYasushi NehoTatsuhiko MatsuokaMasahito SuzukiMasaaki EishimaKenichi NagashimaShinji MatsushitaKatsuhiro ArakawaKenichi Saito
    • Tsuyoshi NakagawaYasushi NehoTatsuhiko MatsuokaMasahito SuzukiMasaaki EishimaKenichi NagashimaShinji MatsushitaKatsuhiro ArakawaKenichi Saito
    • H05K520
    • G06F1/203G06F1/1616G06F1/1681G06F2200/201G06F2200/203
    • In a liquid-cooling system for a notebook personal computer having a body part including a CPU and a chip set respectively mounted on a mother board and an HDD, and a display part rotatably supported by the body part, a heat receiving head is fixed to at least one heat generation part including the CPU. A tube filled with cooling liquid is connected to the heat receiving head. The tube connected to the heat receiving head is disposed in series on at least one heat generation part including the chip set so as to collect the heat generated from each heat generation part. The tube is also laid in a meandering or zigzagging pattern between a liquid crystal panel and a housing of the display part. The heat generated from each heat generation part is absorbed at part of the tube by the cooling liquid that circulates in the tube and functions as a heat transfer medium. The absorbed heat is then radiated at another part of the tube. Consequently, the heat generated from the chip set including the CPU and other heat sources such as the HDD can be radiated together to the outside. Local temperature rising is prevented. An uniform temperature environment is attained on all the surfaces of the body part.
    • 在具有包括CPU和分别安装在母板和HDD上的芯片组的主体部分的笔记本个人计算机的液体冷却系统中,以及由主体部分可旋转地支撑的显示部分,热接收头被固定到 至少一个包括CPU的发热部分。 充满冷却液的管被连接到热接收头。 连接到受热头的管串联设置在包括芯片组的至少一个发热部分上,以收集从每个发热部产生的热量。 该管也在液晶面板和显示部分的壳体之间以曲折或锯齿状的图案放置。 由每个发热部产生的热量通过在管中循环的冷却液在管的一部分被吸收,起到传热介质的作用。 然后吸收的热量在管的另一部分被辐射。 因此,从包括CPU的芯片组和诸如HDD的其它热源产生的热可以一起辐射到外部。 防止局部温升。 在身体部位的所有表面上均匀地达到温度环境。
    • 7. 发明授权
    • Cache memory control method and apparatus, and method and apparatus for
controlling memory capable of interleave control
    • 高速缓冲存储器控制方法和装置,以及用于控制能够进行交织控制的存储器的方法和装置
    • US5761695A
    • 1998-06-02
    • US714393
    • 1996-09-16
    • Takeshi MaedaAtsuhiro HigaKenichi Nagashima
    • Takeshi MaedaAtsuhiro HigaKenichi Nagashima
    • G06F12/06G06F12/08G06F13/00G06F12/00
    • G06F12/0607G06F12/0851G06F12/0893Y02B60/1225
    • In a memory control apparatus which has a main memory constructed by a plurality of memory areas and a cache memory which can be accessed at a speed higher than that of the main memory and in which the main memory or the cache memory is accessed in response to a memory access request from an access request side and data is read out and transferred to the access request side, an accessing speed of every plurality of memory areas in the main memory is identified and an area that is cachable for the cache memory among the plurality of memory areas in the main memory is set in accordance with the identified accessing speed of every plurality of memory areas in the main memory. In a memory control apparatus for performing an interleave access or a non-interleave access to an information memory medium having a plurality of banks of different capacities, a boundary address indicative of a boundary between the interleave access area and the non-interleave access area is compared with an access address to the information memory medium, and on the basis of the comparison result, the interleave access or non-interleave access is executed to the information memory medium.
    • 在具有由多个存储区域构成的主存储器和可以以比主存储器高的速度访问的高速缓冲存储器的存储器控​​制装置中,其中主存储器或高速缓存存储器响应于 来自访问请求侧的存储器访问请求和数据被读出并被传送到访问请求侧,识别主存储器中的每个多个存储区域的访问速度以及可以在多个存储器中高速缓冲存储器可高速缓存的区域 根据主存储器中每个多个存储区域的识别访问速度来设置主存储器中的存储区域。 在用于执行对具有不同容量的多个存储体的信息存储介质的交织访问或非交织访问的存储器控​​制装置中,指示交织访问区域和非交织访问区域之间的边界的边界地址是 与信息存储介质的访问地址进行比较,并且基于比较结果,对信息存储介质执行交织访问或非交织访问。