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    Two-dimensional discrete cosine transform computing circuit
    23.
    发明授权
    Two-dimensional discrete cosine transform computing circuit 失效
    二维离散余弦变换计算电路

    公开(公告)号：US5719963A

    公开(公告)日：1998-02-17

    申请号：US454867

    申请日：1995-05-31

    Applicant: Kimihiko Kazui ,  Kiyoshi Sakai ,  Kiichi Matsuda ,  Akira Nakagawa

    Inventor： Kimihiko Kazui ,  Kiyoshi Sakai ,  Kiichi Matsuda ,  Akira Nakagawa

    IPC: H04N7/30 ,  G06F17/14 ,  G06T1/20 ,  G06T9/00 ,  H03M7/30 ,  H04N1/41 ,  G06K9/20 ,  G06F15/00 ,  G06K9/38

    CPC classification number: G06F17/147 ,  G06T9/007

    Abstract: A two-dimensional discrete cosine transform computing circuit has a transform block, formed by a multiplication unit and a Hadamard transform unit, which performs computations in a sequence of Hadamard transforms followed by multiplications in a two-dimensional discrete cosine transform, and in a sequence of multiplication followed by Hadamard transforms in an inverse two-dimensional discrete cosine transform. A memory block temporarily stores input/output data of the transform block; an input/output processing block performs pre-processing and post-processing such as cumulative addition and subtraction of input/output data of the transform block. A control block controls, when performing processing for either a two-dimensional discrete cosine transform or inverse two-dimensional discrete cosine transform, multiplications of coefficients in the transform block, read/write of the memory block, and the input/output processing block. This configuration achieves high-speed processing and a reduction in scale of the circuitry.

    Abstract translation: 二维离散余弦变换计算电路具有由乘法单元和Hadamard变换单元形成的变换块，该单元在Hadamard变换序列中进行计算，随后在二维离散余弦变换中进行乘法，并以序列 的乘法，然后是逆二维离散余弦变换中的Hadamard变换。 存储块临时存储变换块的输入/输出数据; 输入/输出处理块执行诸如变换块的输入/输出数据的累积加法和减法的预处理和后处理。 当执行二维离散余弦变换或反向二维离散余弦变换的处理时，控制块控制变换块中的系数乘法，存储块的读/写和输入/输出处理块。 该配置实现了高速处理和电路规模的缩小。

    Electrophotographic photosensitive member and apparatus using same
    25.
    发明授权
    Electrophotographic photosensitive member and apparatus using same 失效
    电子照相感光构件及其使用方法

    公开(公告)号：US5320922A

    公开(公告)日：1994-06-14

    申请号：US945379

    申请日：1992-09-16

    Applicant: Shinya Mayama ,  Kiyoshi Sakai

    Inventor： Shinya Mayama ,  Kiyoshi Sakai

    IPC: G03G5/14

    CPC classification number: G03G5/144

    Abstract: An electrophotographic photosensitive medium has a photosensitive layer on an electroconductive base, the medium having at least one intermediate layer between the base and the photosensitive layer, the intermediate layer containing indium oxide - tin oxide solid solution (ITO) powder and a binder resin. An electrophotographic apparatus includes a photosensitive medium; a device for forming latent images; a device for developing formed latent images; and a device for transferring developed images to a transfer member.

    Abstract translation: 电子照相感光性介质在导电性基体上具有感光层，介质在基材和感光层之间具有至少一个中间层，中间层含有氧化铟 - 氧化锡固溶体（ITO）粉末和粘合剂树脂。 电子照相设备包括光敏介质; 用于形成潜像的装置; 用于显影形成的潜像的装置; 以及用于将显影图像转印到转印部件的装置。

    Multilayer electrophotographic photosensitive member comprises disazo charge generator layer, hydrazone transport layer
    27.
    发明授权
    Multilayer electrophotographic photosensitive member comprises disazo charge generator layer, hydrazone transport layer 失效
    多层电子照相感光构件包括双偶氮电荷发生器层，腙传输层

    公开(公告)号：US4413045A

    公开(公告)日：1983-11-01

    申请号：US381450

    申请日：1982-05-24

    Applicant: Shozo Ishikawa ,  Kazuharu Katagiri ,  Katsunori Watanabe ,  Kiyoshi Sakai ,  Makoto Kitahara

    Inventor： Shozo Ishikawa ,  Kazuharu Katagiri ,  Katsunori Watanabe ,  Kiyoshi Sakai ,  Makoto Kitahara

    IPC: C09B26/02 ,  C09B35/34 ,  G03G5/06 ,  G03G5/14

    CPC classification number: C09B35/34 ,  C09B26/02 ,  G03G5/0616 ,  G03G5/0668 ,  G03G5/0681

    Abstract: An electrophotographic photosensitive member is characterized by comprising a charge generation layer containing at least one disazo pigment represented by the following formula [I] and a charge transport layer containing at least one hydrazone compound represented by the following formula [II]: ##STR1## wherein A is a coupler residue, B represents hydrogen, halogen, alkyl, or alkoxy, and n is an integer of 1 to 4; ##STR2## wherein R.sub.1 represents N,N-dialkyl amino, or N,N-diarylamino, or N-alkyl-N-arylamino, or alkoxy or aryloxy, each being substituted or unsubstituted; R.sub.2 and R.sub.3 each represent alkyl, aralkyl, or aryl, each being substituted or unsubstituted, or R.sub.2 and R.sub.3, together with the nitrogen atom which links them, represent nitrogen-containing heterocyclic ring; R.sub.4 represents hydrogen, or alkyl, aralkyl, or aryl, each being substituted or unsubstituted; R.sub.5 represents hydrogen, alkyl, or alkoxy; and l is 0 or 1.

    Abstract translation: 电子照相感光构件的特征在于包含含有至少一种由下式[I]表示的双偶氮颜料的电荷产生层和包含至少一种由下式[II]表示的腙化合物的电荷输送层： [I]其中A是成色剂残基，B表示氢，卤素，烷基或烷氧基，n是1至4的整数; 式（II）其中R 1表示N，N-二烷基氨基或N，N-二芳基氨基或N-烷基-N-芳基氨基，或烷氧基或芳氧基，各自为取代或未取代的; R 2和R 3各自表示烷基，芳烷基或芳基，各自为取代或未取代的，或者R 2和R 3与连接它们的氮原子一起代表含氮杂环; R4表示氢，或烷基，芳烷基或芳基，各自为取代或未取代的; R5表示氢，烷基或烷氧基; l为0或1。

    Novel hydrazone compounds and process for preparing the same
    28.
    发明授权
    Novel hydrazone compounds and process for preparing the same 失效
    新型腙化合物及其制备方法

    公开(公告)号：US4332948A

    公开(公告)日：1982-06-01

    申请号：US149752

    申请日：1980-05-14

    Applicant: Kiyoshi Sakai ,  Mitsuru Hashimoto ,  Kyoji Tsutsui

    Inventor： Kiyoshi Sakai ,  Mitsuru Hashimoto ,  Kyoji Tsutsui

    IPC: C07C67/00 ,  C07C241/00 ,  C07C251/86 ,  C07D213/53 ,  C07D307/36 ,  C07D307/52 ,  C07D333/20 ,  C07D333/22 ,  C07D333/36 ,  C09B26/02 ,  G03C1/72 ,  G03G5/06 ,  C07C109/12

    CPC classification number: C07D213/53 ,  C07C251/72 ,  C07D307/52 ,  C07D333/22 ,  G03G5/0616 ,  G03G5/0629 ,  G03G5/0637

    Abstract: Hydrazone compounds having the general formula ##STR1## wherein Ar is selected from the group consisting of a naphthalene ring radical, substituted naphthalene ring radicals, an anthracene ring radical, substituted anthracene ring radicals, styryl, substituted styryls, a pyridine radical, a furan ring radical and a thiophene ring radical.The hydrazone compounds can be prepared by allowing 1-methyl-1-phenylhydrazine having the formula ##STR2## to react with an aldehyde represented by the general formula Ar-CHO, wherein Ar is the same as mentioned above at a substantially equal molar ratio in an organic solvent selected from the group consisting of lower alcohols, cyclic ethers, cellosolves, N,N-dimethylforamide and acetic acid, in the presence of an acid catalyst, by heating and refluxing the reaction mixture.The hydrazone compounds are extremely useful as charge transport materials for use in electrophotographic photoconductors of the type comprising an electroconductive support material and a photosensitive layer containing a charge generation material and a charge transport material.

    Abstract translation: 具有通式的腙化合物，其中Ar选自萘环基，取代萘环基，蒽环基，取代的蒽环，苯乙烯基，取代的苯乙烯基，吡啶基，呋喃环 自由基和噻吩环基团。 腙化合物可以通过使具有式“IMAGE”的1-甲基-1-苯肼与通式Ar-CHO表示的醛反应来制备，其中Ar与上述相同，其摩尔比基本相等 在酸催化剂存在下，通过加热和回流反应混合物，选自低级醇，环醚，溶纤剂，N，N-二甲基甲酰胺和乙酸的有机溶剂。 腙化合物作为用于电子照相感光体的电荷传输材料是非常有用的，其中包括导电载体材料和含有电荷产生材料和电荷传输材料的感光层。

    Pharmaceutically useful prostenoic acid derivatives
    30.
    发明授权
    Pharmaceutically useful prostenoic acid derivatives 失效
    药用有用的前列腺酸衍生物

    公开(公告)号：US3971825A

    公开(公告)日：1976-07-27

    申请号：US527353

    申请日：1974-11-26

    Applicant: Kiyoshi Sakai ,  Takashi Yusa ,  Kenji Inoue

    Inventor： Kiyoshi Sakai ,  Takashi Yusa ,  Kenji Inoue

    IPC: C07C67/00 ,  C07C401/00 ,  C07C405/00 ,  C07D307/935 ,  C07D309/12 ,  C07C61/38 ,  C07C69/74

    CPC classification number: C07D307/935 ,  C07C405/00 ,  C07D309/12 ,  Y02P20/55

    Abstract: New prostaglandin-like compounds, having brochodilating activity, of formula ##SPC1##(wherein A represents a direct bond or an alkylene group and R.sup.1 represents an alkyl group) and their pharmaceutically acceptable salts are prepared by oxidizing compounds of formula ##SPC2##(wherein R.sup.2 represents hydrogen or a carboxyl-protecting group, and R.sup.3 represents a hydroxyl-protecting group), removing protecting groups from the product and, when appropriate, salifying the compound obtained.

    Abstract translation: 具有通式（WHEREIN A代表直接键或亚烷基并且R 1表示烷基）的具有通菌活性的新的前列腺素样化合物及其药学上可接受的盐通过氧化式（WHEREIN R2表示氢或羧基） 保护基，R3表示羟基保护基），从产物中除去保护基，适当时将所得化合物进行成盐。

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