Magnetic recording and reproducing device
    1.
    发明申请
    Magnetic recording and reproducing device 失效
    磁记录和再现装置

    公开(公告)号:US20050073765A1

    公开(公告)日:2005-04-07

    申请号:US10955874

    申请日:2004-09-30

    申请人: Toshio Kano

    发明人: Toshio Kano

    CPC分类号: G11B15/1825

    摘要: In a magnetic recording and reproducing device having a 1ch head and a 2ch head, an azimuth recording operation is carried out on an obliquely evaporated magnetic tape. Angles θ1 and θ2 formed by a direction of a head azimuth of the 1ch head and the 2ch head and a longitudinal direction of the magnetic tape are respectively set to angles at which an output difference between a reproducing signal of a track recorded by the 1ch head and a reproducing signal of a track recorded by the 2ch head is located within three decibels. Thus, an output difference between the two magnetic heads is reduced while the loss of electromagnetic conversion is reduced.

    摘要翻译: 在具有1ch头和2ch头的磁记录和再现装置中,在倾斜蒸发的磁带上执行方位记录操作。 由1ch头和2ch头的头部方位方向和磁带的纵向方向形成的角度θ1和θ2分别被设定为由1度头记录的轨道的再现信号之间的输出差异的角度 并且由2ch头记录的轨道的再现信号位于三分贝内。 因此,减小了两个磁头之间的输出差异,同时减少了电磁转换的损失。

    Polypropylene resin composition
    2.
    发明授权
    Polypropylene resin composition 失效
    聚丙烯树脂组合物

    公开(公告)号:US5955524A

    公开(公告)日:1999-09-21

    申请号:US651642

    申请日:1996-05-22

    摘要: A polypropylene resin composition is herein disclosed which is obtainable by blending (A) 100 parts by weight of a polypropylene resin comprising (a) 100 to 20% by weight of a homopolymer of propylene and/or a propylene copolymer containing 4% by weight or less of another olefin unit in which in a pentad fraction by .sup.13 C-NMR, �rrrr/(1-mmmm)!.times.100 is in the range of 20 to 60%, a Tm measured by a DSC is 150.degree. C. or more, and a melt enthalpy is 100 J/g or less, and (b) 0 to 80% by weight of a propylene copolymer containing 10 to 80% by weight of an olefin unit other than propylene, with (B) 0.01 to 5 parts by weight of an octyltin salt of a fatty acid, an alkylenebisfatty acid amide, a fatty acid ester of a polyvalent alcohol, or a metal salt of an aliphatic monocarboxylic acid.The employment of this polypropylene resin composition permits, under a good moldability by the calender molding machine, the manufacture of films and sheets having less thickness unevenness, excellent appearance and heat resistance and such flexibility as in molded articles of a plastic polyvinyl chloride.

    摘要翻译: 本文公开了一种聚丙烯树脂组合物,其可通过共混(A)100重量份的聚丙烯树脂获得,所述聚丙烯树脂包含(a)100至20重量%的丙烯均聚物和/或含有4重量%的丙烯共聚物,或 较少的其中通过13 C-NMR测定的五元组分中的烯烃单元[rrrr /(1-mmmm)]×100在20〜60%的范围内,通过DSC测定的Tm为150℃以上, 熔体焓为100J / g以下,(b)0〜80重量%的丙烯共聚物,其含有10〜80重量%的除丙烯以外的烯烃单元,(B)为0.01〜5重量份 脂肪酸的辛基锡盐的重量,亚烷基二脂肪酸酰胺,多元醇的脂肪酸酯或脂肪族单羧酸的金属盐。 使用该聚丙烯树脂组合物可以通过压延成型机具有良好的成型性,制造具有较小厚度不均匀性,优异的外观和耐热性以及诸如塑料聚氯乙烯的模制品的柔软性的薄膜和薄片。

    Tris(beta,beta-dimethylphenethyl) tin compounds
    3.
    发明授权
    Tris(beta,beta-dimethylphenethyl) tin compounds 失效
    三(β,β-二甲基苯乙基)锡化合物

    公开(公告)号:US4703059A

    公开(公告)日:1987-10-27

    申请号:US776027

    申请日:1985-09-13

    CPC分类号: A01N55/04 C07F7/2244

    摘要: A compound represented by the formula ##STR1## wherein R represents an alkyl group having 7 to 11 carbon atoms, a phenyl group which may be substituted by a lower alkyl group or a halogen atom, or a group of the formula ##STR2## in which X represents a hydrogen or halogen atom. This compound can be prepared by reacting a compound represented by the formula ##STR3## wherein m is an integer of 1 to 2, and Y represents a chlorine atom when m is 1 and --O-- when m is 2, with a compound represented by the following formula ##STR4## wherein M represents a hydrogen or alkali metal atom; and is useful as a miticide.

    摘要翻译: 由式(I)表示的化合物,其中R表示碳原子数为7〜11的烷基,可被低级烷基或卤素原子取代的苯基,或下式的基团:IMAGE >其中X表示氢或卤素原子。 该化合物可以通过使m为1的式(II)表示的化合物或其中m为1〜2的整数,Y为m为1时的氯原子,m为2时为-O-的化合物与 由下式表示的化合物(III)其中M表示氢或碱金属原子; 并且作为杀螨剂是有用的。

    Polypropylene resin composition
    5.
    发明授权
    Polypropylene resin composition 失效
    聚丙烯树脂组合物

    公开(公告)号:US6159614A

    公开(公告)日:2000-12-12

    申请号:US323539

    申请日:1999-06-01

    摘要: A polypropylene resin composition is herein disclosed which is obtainable by blending (A) 100 parts by weight of a polypropylene resin comprising (a) 100 to 20% by weight of a homopolymer of propylene and/or a propylene copolymer containing 4% by weight or less of another olefin unit in which in a pentad fraction by .sup.13 C-NMR, [rrrr/(1-mmmm)].times.100 is in the range of 20 to 60%, a Tm measured by a DSC is 150.degree. C. or more, and a melt enthalpy is 100 J/g or less, and (b) 0 to 80% by weight of a propylene copolymer containing 10 to 80% by weight of an olefin unit other than propylene, with (B.) 0.01 to 5 parts by weight of an octyltin salt of a fatty acid, an alkylenebisfatty acid amide, a fatty acid ester of a polyvalent alcohol, or a metal salt of an aliphatic monocarboxylic acid.The employment of this polypropylene resin composition permits, under a good moldability by the calender molding machine, the manufacture of films and sheets having less thickness unevenness, excellent appearance and heat resistance and such flexibility as in molded articles of a plastic polyvinyl chloride.

    摘要翻译: 本文公开了一种聚丙烯树脂组合物,其可通过共混(A)100重量份的聚丙烯树脂获得,所述聚丙烯树脂包含(a)100至20重量%的丙烯均聚物和/或含有4重量%的丙烯共聚物,或 较少的其中通过13 C-NMR测定的五元组分中的烯烃单元[rrrr /(1-mmmm)]×100在20〜60%的范围内,通过DSC测定的Tm为150℃以上, 熔体焓为100J / g以下,(b)0〜80重量%的丙烯共聚物,其含有10〜80重量%的除丙烯以外的烯烃单元,(B.)0.01〜5重量份 的脂肪酸的辛基锡盐,亚烷基二脂肪酸酰胺,多元醇的脂肪酸酯或脂肪族一元羧酸的金属盐。 使用该聚丙烯树脂组合物可以通过压延成型机具有良好的成型性,制造具有较小厚度不均匀性,优异的外观和耐热性以及诸如塑料聚氯乙烯的模制品的柔软性的薄膜和薄片。

    Isocyanuric acid derivative useful as a light stabilizer
    7.
    发明授权
    Isocyanuric acid derivative useful as a light stabilizer 失效
    可用作光稳定剂的异氰脲酸衍生物

    公开(公告)号:US5182390A

    公开(公告)日:1993-01-26

    申请号:US783225

    申请日:1991-10-28

    CPC分类号: C07D401/14 C08K5/34926

    摘要: Tris[2-hydroxy-3-(2,2,6,6-tetramethyl-4-piperidylamino)propyl] isocyanurate is useful as a light stabilizer for organic materials. A composition comprising an organic material and the isocyanurate is stable against light and also excellent in heat resistance. The isocyanurate can be produced by the reaction between tris(2,3-epoxypropyl) isocyanurate and 4-amino-2,2,6,6-tetramethylpiperidine.

    摘要翻译: 三[2-羟基-3-(2,2,6,6-四甲基-4-哌啶基氨基)丙基]异氰脲酸酯可用作有机材料的光稳定剂。 包含有机材料和异氰脲酸酯的组合物对光稳定并且耐热性也优异。 异氰脲酸酯可以通过三(2,3-环氧丙基)异氰脲酸酯和4-氨基-2,2,6,6-四甲基哌啶之间的反应来制备。

    Magnetic recording and reproducing device
    8.
    发明授权
    Magnetic recording and reproducing device 失效
    磁记录和再现装置

    公开(公告)号:US07009794B2

    公开(公告)日:2006-03-07

    申请号:US10955874

    申请日:2004-09-30

    申请人: Toshio Kano

    发明人: Toshio Kano

    IPC分类号: G11B15/14

    CPC分类号: G11B15/1825

    摘要: In a magnetic recording and reproducing device having a 1ch head and a 2ch head, an azimuth recording operation is carried out on an obliquely evaporated magnetic tape. Angles θ1 and θ2 formed by a direction of a head azimuth of the 1ch head and the 2ch head and a longitudinal direction of the magnetic tape are respectively set to angles at which an output difference between a reproducing signal of a track recorded by the 1ch head and a reproducing signal of a track recorded by the 2ch head is located within three decibels. Thus, an output difference between the two magnetic heads is reduced while the loss of electromagnetic conversion is reduced.

    摘要翻译: 在具有1个ch头和2个ch头的磁记录和再现装置中,在倾斜蒸发的磁带上执行方位记录操作。 通过1 ch头和2 ch头的头方位方向和磁带的长度方向形成的角度θ1和θ2分别被设定为在记录的轨道的再现信号之间的输出差异的角度 由1 ch头和由2 ch头记录的轨道的再现信号位于三分贝内。 因此,减小了两个磁头之间的输出差异,同时减少了电磁转换的损失。

    Magnetic tape stabilizer for a recording and playback device
    9.
    发明授权
    Magnetic tape stabilizer for a recording and playback device 失效
    用于记录和播放设备的磁带稳定器

    公开(公告)号:US5982592A

    公开(公告)日:1999-11-09

    申请号:US749019

    申请日:1996-11-14

    IPC分类号: G11B15/62 G11B15/64 G11B23/50

    摘要: A recording and playback device utilizing magnetic tape, such as a tape cassette, as a recording medium includes a magnetic head arranged to contact one side of the magnetic tape and a stabilizer arranged positioned directly opposed the magnetic head corresponding to the opposite side of the magnetic tape such that the magnetic tape move along a path interposed between the stabilizer and the magnetic head. The stabilizer includes a tape slider surface in contact with the side of the tape opposite the magnetic head contacting side. Further, the tape slider surface of the stabilizer may be formed with a recessed portion and tape surface scraper portions. According to this structure vibration of the magnetic tape in the vicinity of the magnetic head is greatly reduced such that a head servo for control of the magnetic head may accurately position the magnetic head even in devices utilizing a very small track pitch. Also read/write error, tape dropout, and the like, due to foreign matter entering the tape path, is reliably prevented. Further, space between the magnetic tape and the head is reduced and contact pressure between the head and the tape is maintained to optimize recording and or playback operations between the head and the magnetic tape.

    摘要翻译: 利用诸如磁带盒之类的磁带作为记录介质的记录和重放装置包括一个设置成接触磁带一侧的磁头和一个与磁头相对的磁头相对置的稳定器 磁带使得磁带沿着插入在稳定器和磁头之间的路径移动。 稳定器包括与磁头接触侧相对的带的侧面接触的磁带滑块表面。 此外,稳定器的带滑块表面可以形成有凹部和带表面刮刀部分。 根据该结构,磁头附近的磁带的振动大大减小,使得用于控制磁头的磁头伺服器即使在利用非常小的磁道间距的装置中也可以精确地定位磁头。 可靠地防止由于异物进入磁带路径而导致的读/写错误,磁带丢失等。 此外,磁带和磁头之间的空间减小,并且保持磁头和磁带之间的接触压力,以优化磁头和磁带之间的记录和/或重放操作。