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    • 41. 发明授权
    • Surface acoustic wave filter
    • 表面声波滤波器
    • US06781483B2
    • 2004-08-24
    • US10022096
    • 2001-12-13
    • Naoki TanakaTatsuro Usuki
    • Naoki TanakaTatsuro Usuki
    • H03H964
    • H03H9/6473H03H9/6436
    • In the surface acoustic wave filter, a longitudinally-coupled double-mode resonator filter formed by arranging a plurality of inter-digital transducers for exciting and receiving a surface acoustic wave adjacent each other in the direction of propagation of the surface acoustic wave is connected in series to a resonator having one or a plurality of inter-digital transducers for exciting and receiving a surface acoustic wave. A cutoff frequency on the high-frequency side of the pass band of the longitudinally-coupled double-mode resonator filter and the antiresonant frequency of the resonator are substantially equal. In the surface acoustic wave filter, the sharpness in the vicinity of the cutoff frequency on the high-frequency side of the pass band is high, sufficient attenuation can be obtained, and the input and output impedance matching state is good.
    • 在表面声波滤波器中,连接有多个用于激励和接收声表面波传播方向上彼此相邻的表面声波的数字互感器形成的纵向耦合双模谐振滤波器, 串联到具有用于激发和接收表面声波的一个或多个数字间换能器的谐振器。 纵向耦合双模谐振滤波器的通带的高频侧的截止频率和谐振器的反谐振频率基本相等。 在声表面波滤波器中,通带的高频侧的截止频率附近的锐度高,可以获得足够的衰减,输入和输出阻抗匹配状态良好。
    • 42. 发明授权
    • Recording sheet and method of recording image using such recording sheet
    • 记录纸和使用这种记录纸记录图像的方法
    • US6068937A
    • 2000-05-30
    • US10556
    • 1998-01-22
    • Takashi NozawaTetsuya AbeNaoki TanakaShuichi Yamaguchi
    • Takashi NozawaTetsuya AbeNaoki TanakaShuichi Yamaguchi
    • B41M5/00B05D5/04B41M5/50B41M5/52C08J7/04D21H27/00
    • B41M5/5254B41M5/52
    • A recording sheet has a base and a receptive layer disposed on at least one surface of the base. The receptive layer contains at least a water-absorbent copolymer and said water-resistant graft copolymer whose main chain is polyvinyl alcohol. The water-absorbent copolymer absorbs inks, and the water-resistant graft copolymer makes the receptive layer resistant to discoloration, blurring, and gloss or luster irregularities. The water-absorbent graft copolymer comprises a graft copolymer produced by grafting a vinyl monomer having a carboxyl group and a monomer having a functional group reacting with the carboxyl group. The water-absorbent copolymer comprises a copolymer of acrylic acid and vinyl alcohol. The water-resistant graft copolymer and the water-absorbent copolymer are added at a ratio in parts by weight ranging from 20/80 to 80/20, preferably, from 30/70 to 70/30.
    • 记录片材具有设置在基底的至少一个表面上的基底和接收层。 接收层至少含有一种吸水共聚物,其主链是聚乙烯醇的所述防水接枝共聚物。 吸水共聚物吸收油墨,并且耐水接枝共聚物使得接受层对变色,模糊和光泽或光泽不均匀性有抵抗力。 吸水性接枝共聚物包括通过接枝具有羧基的乙烯基单体和具有与羧基反应的官能团的单体制备的接枝共聚物。 吸水共聚物包括丙烯酸和乙烯醇的共聚物。 以20/80至80/20,优选为30/70至70/30的重量比加入防水接枝共聚物和吸水共聚物。
    • 43. 发明授权
    • Accumulator
    • 累加器
    • US5996372A
    • 1999-12-07
    • US67038
    • 1998-04-28
    • Toshihide KodaMasahiro SugiharaMihoko ShimojiNaoki TanakaHitoshi IijimaMasaki Toyoshima
    • Toshihide KodaMasahiro SugiharaMihoko ShimojiNaoki TanakaHitoshi IijimaMasaki Toyoshima
    • F25B43/00F25B43/02F25B3/00
    • F25B43/006F25B2400/02F25B43/02
    • An accumulator is capable of preventing an excessive enlargement of the flow rate of a liquid refrigerant which is discharged from the accumulator, reducing the quantity of refrigerating machine oil which is accumulated in the accumulator, and maintaining a required quantity of refrigerating machine oil in a compressor. Liquid and a gas which circulate in a refrigerating and air-conditioning circuit are introduced into a first space by a suction pipe, and the gas refrigerant is discharged to a refrigerating and air-conditioning circuit through a gas passage pipe, a second space and a discharge pipe 5. A liquid-level maintaining mechanism prevents a rise in the height of the accumulated liquid introduced into the first space. When the height has been made to be not lower than a predetermined height, a gas communication mechanism moves liquid in the first space from the first space to the second space. A returning mechanism discharges refrigerating machine oil accumulated in the first space to the refrigerating and air-conditioning circuit.
    • 蓄能器能够防止从蓄电池排出的液体制冷剂的流量的过度扩大,减少积存在蓄电池中的冷冻机油的量,并将所需量的冷冻机油保持在压缩机 。 液体和在制冷空调回路中循环的气体通过吸入管引入第一空间,气体制冷剂通过气体通道管,第二空间和第二空间被排出到制冷空调回路 排出管5.液面维持机构防止引入第一空间的积聚液体的高度上升。 当高度已经达到不低于预定高度时,气体连通机构将第一空间中的液体从第一空间移动到第二空间。 返回机构将积存在第一空间的制冷机油排出到制冷空调回路。