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    • 63. 发明申请
    • Cooling apparatus
    • 冷却装置
    • US20090064710A1
    • 2009-03-12
    • US12221097
    • 2008-07-31
    • Shinichi KagaAkihiko HiranoKazuyoshi Seki
    • Shinichi KagaAkihiko HiranoKazuyoshi Seki
    • F25B1/00F25B49/00
    • F25B49/027F25B2339/047F25B2400/06
    • A cooling apparatus which stably cools a target. The cooling apparatus includes a primary circuit that has a first heat exchanging section which is provided at a heat exchanger, and vaporizes a liquid-phase primary coolant to be a gas-phase primary coolant, and a condenser which condenses the gas-phase primary coolant to be the liquid-phase primary coolant, and lets the liquid-phase primary coolant flow to the first heat exchanging section from the condenser through a liquid piping and lets the gas-phase primary coolant flow to the condenser from the first heat exchanging section through a gas piping. The cooling apparatus further includes a secondary circuit having a second heat exchanging section, an expansion valve, an evaporator, and a compressor connected together by a coolant piping.
    • 稳定地冷却目标物的冷却装置。 该冷却装置包括一个主回路,该主回路具有设置在热交换器处的第一热交换部分,并将液相一次冷却剂蒸发成气相一次冷却剂;以及冷凝器,其将气相一次冷却剂 作为液相一级冷却剂,并且使液相一级冷却剂通过液体管道从冷凝器流到第一热交换部分,并使气相一级冷却剂从第一热交换部通过冷凝器流入冷凝器 气体管道。 冷却装置还包括具有通过冷却剂管道连接在一起的第二热交换部分,膨胀阀,蒸发器和压缩机的二次回路。
    • 64. 发明申请
    • Cooling apparatus
    • 冷却装置
    • US20090007575A1
    • 2009-01-08
    • US11822127
    • 2007-07-02
    • Shinichi KagaTakeshi UedaYoshiyasu SuzukiAkihiko Hirano
    • Shinichi KagaTakeshi UedaYoshiyasu SuzukiAkihiko Hirano
    • F25B49/00
    • F25B49/02F25B2600/021F25B2600/111F25B2600/112F25B2700/197F25B2700/2104F25B2700/2116Y02B30/741Y02B30/743
    • A cooling apparatus such as a refrigerator includes a refrigeration cycle including a compressor driven by an electric motor, a condenser, a throttle valve and an evaporator, a first physical amount detector capable of detecting a physical quantity representing a temperature of an object to be cooled by the cooling operation of the evaporator, a temperature control device capable of controlling a rotating speed of the motor based on the physical quantity detected by the first physical quantity detector so that the object is cooled approximately to a target temperature, a second physical quantity detector capable of detecting a physical quantity corresponding to a performance margin of the refrigeration cycle, and a rotating speed limiter capable of limiting the rotating speed of the motor to or below a predetermined speed based on a physical quantity detected by the second physical quantity detector.
    • 诸如冰箱的冷却装置包括:制冷循环,包括由电动机驱动的压缩机,冷凝器,节流阀和蒸发器;第一物理量检测器,能够检测表示待冷却物体的温度的物理量 通过所述蒸发器的冷却运转,能够根据由所述第一物理量检测器检测到的物理量来控制所述电动机的转速使得所述物体被冷却到目标温度的温度控制装置;第二物理量检测器 能够检测与制冷循环的性能余量相对应的物理量;以及旋转速度限制器,其能够基于由第二物理量检测器检测到的物理量将电动机的转速限制在或低于预定速度。
    • 66. 发明授权
    • Reproduced signal processing method, reproduced signal processing
circuit, and a magnetic storage apparatus
    • 再现信号处理方法,再现信号处理电路和磁存储装置
    • US6104331A
    • 2000-08-15
    • US161734
    • 1998-09-29
    • Yoshiteru IshidaNaoki SatohTerumi TakashiAkihiko HiranoSeiichi Mita
    • Yoshiteru IshidaNaoki SatohTerumi TakashiAkihiko HiranoSeiichi Mita
    • G11B5/09G11B5/012G11B19/04G11B20/10G11B20/24G11B23/00H03M1/12G11B5/02
    • G11B19/04G11B20/10009G11B20/24G11B5/012G11B23/0007G11B5/09
    • A reproduced signal processing circuit includes a variable gain amplifier to which a signal read from a medium by a reproducing head is inputted; an analog-to-digital converter for converting a signal outputted from the variable gain amplifier into a digital signal; and a variable frequency oscillator for supplying an operation clock signal to the analog-to-digital converter. A reproduced signal processing method includes the steps of operating a first control loop for controlling the variable gain amplifier; operating at least either one of a second control loop and a third control loop, the second control loop controlling the variable frequency oscillator, the third control loop controlling the variable frequency oscillator; filtering by analog filter means the read signal inputted to the variable gain amplifier; operating at least one of first, second, and third noise detecting operations, the first noise detecting operation detecting presence or absence of a noise by comparing an amplitude of the output signal from the variable gain amplifier with a predetermined threshold value, the second noise detecting operation detecting a noise during an operation period of the second control loop, the third noise detecting operation detecting a noise during an operation period of the third control loop; and changing the range of cutoff frequency of the analog filter means in accordance with a result from at least one of the first, second, and third noise detecting operations, thereby controlling at least one of the first, second, and third control loops.
    • 再现信号处理电路包括可变增益放大器,从再现头从介质读取的信号被输入到该可变增益放大器; 用于将从可变增益放大器输出的信号转换为数字信号的模拟 - 数字转换器; 以及用于向模数转换器提供操作时钟信号的可变频率振荡器。 再现信号处理方法包括以下步骤:操作用于控制可变增益放大器的第一控制环路; 操作第二控制回路和第三控制回路中的至少一个,控制可变频率振荡器的第二控制回路,控制可变频率振荡器的第三控制回路; 通过模拟滤波器滤波意味着输入到可变增益放大器的读取信号; 操作第一,第二和第三噪声检测操作中的至少一个,所述第一噪声检测操作通过将来自可变增益放大器的输出信号的幅度与预定阈值进行比较来检测噪声的存在或不存在,第二噪声检测 操作在第二控制回路的操作期间检测噪声,第三噪声检测操作在第三控制回路的操作期间检测噪声; 以及根据第一,第二和第三噪声检测操作中的至少一个的结果改变模拟滤波器装置的截止频率的范围,从而控制第一,第二和第三控制回路中的至少一个。
    • 68. 发明授权
    • Information recording/reproducing apparatus having a clock timing
extraction circuit for extracting a clock signal from an input data
signal
    • 具有用于从输入数据信号中提取时钟信号的时钟定时提取电路的信息记录/再现装置
    • US5553104A
    • 1996-09-03
    • US266779
    • 1994-06-29
    • Terumi TakashiAkihiko HiranoKazunori IwabuchiHideyuki YamakawaYoshiteru IshidaKazuhisa ShiraishiKazutoshi Ashikawa
    • Terumi TakashiAkihiko HiranoKazunori IwabuchiHideyuki YamakawaYoshiteru IshidaKazuhisa ShiraishiKazutoshi Ashikawa
    • G11B20/14G11B27/30H03L7/06H03L7/081H03L7/099H03L7/183H04L7/033H03D3/24
    • H03L7/0996G11B20/1403G11B27/30H03L7/081H03L7/183H04L7/0337
    • A clock timing extraction circuit for use in an information recording/reproducing apparatus has a phase comparator for comparing the reproduced signal with a selected clock signal to generate a phase error signal, a clock signal generation circuit for adjusting frequency to cause the error signal to approach zero according to the phase error signal and outputting a plurality of clock signals having mutually different phase differences, a selection circuit for outputting one of the plurality of clock signals on the basis of a selection signal, a phase difference judgement circuit for determining one of the plurality of clock signals having a minimum phase error (Vdet) and generating a selection signal for selection of the clock signal having the minimum phase difference, and a freeze circuit for blocking an output of the phase comparator until the clock signal having the minimum phase error is selected. The information recording/reproducing apparatus has an AGC circuit for limiting an amplitude of a reproduced signal received from a recording medium, the aforementioned clock timing extraction circuit, and a decoder circuit. The clock timing extraction circuit extracts a clock signal from an output signal of the AGC circuit and the decoder decodes the output signal of the AGC circuit on the basis of the extracted clock signal.
    • 用于信息记录/再现装置的时钟定时提取电路具有一个相位比较器,用于将再生信号与所选择的时钟信号进行比较以产生相位误差信号;时钟信号产生电路,用于调整频率以使误差信号接近 根据相位误差信号输出零,并输出具有相互不同的相位差的多个时钟信号,用于基于选择信号输出多个时钟信号中的一个的选择电路,用于确定其中之一的相位差判定电路 具有最小相位误差(Vdet)的多个时钟信号,并且产生用于选择具有最小相位差的时钟信号的选择信号,以及用于阻止相位比较器的输出的冻结电路,直到具有最小相位误差的时钟信号 被选中。 信息记录/重放装置具有用于限制从记录介质接收的再现信号的幅度的AGC电路,上述时钟定时提取电路和解码器电路。 时钟定时提取电路从AGC电路的输出信号中提取时钟信号,解码器根据所提取的时钟信号对AGC电路的输出信号进行解码。