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    • 43. 发明授权
    • Chip antenna and method of making same
    • 芯片天线及其制作方法
    • US5892489A
    • 1999-04-06
    • US831075
    • 1997-04-01
    • Seiji KanbaKenji AsakuraTsuyoshi SuesadaTeruhisa TsuruHarufumi Mandai
    • Seiji KanbaKenji AsakuraTsuyoshi SuesadaTeruhisa TsuruHarufumi Mandai
    • H01Q13/08H01Q1/36H01Q1/38H01Q7/06H01Q1/24
    • H01Q1/38H01Q1/362
    • A chip antenna in which desired antenna characteristics can be obtained without restricting the type of at least one of a dielectric material and a magnetic material used for a base member of the antenna, as well as the type of metal material used for a conductor, or without limiting the sintering conditions of the above-described materials. The chip antenna includes a rectangular-prism-shaped base member having a mounting surface. A conductor, e.g. silver, is spirally wound inside the base member. A feeding terminal is formed over surfaces of the base member so as to feed power to the conductor. One end of the conductor is extended to a surface of the base member to form a feeding section, which is connected to the feeding terminal. The other end of the conductor serves as a free end within the base member. The base member is produced by laminating mixture layers made from a mixture of glass essentially consisting of borosilicate having a softening point of approximately 700.degree. C. and ceramic (relative dielectric constant: 60) essentially consisting of barium oxide, neodymium oxide and titanium oxide having a sintering temperature of approximately 1300.degree. C.
    • 一种芯片天线,其中可以获得期望的天线特性,而不限制用于天线的基底构件的电介质材料和磁性材料中的至少一种的类型,以及用于导体的金属材料的类型,或 而不限制上述材料的烧结条件。 芯片天线包括具有安装表面的矩形棱柱形基座部件。 导体,例如 银,螺旋缠绕在基座构件内。 馈电端子形成在基体部件的表面上,以便向导体供电。 导体的一端延伸到基座部件的表面,形成与供电端子连接的供电部分。 导体的另一端用作基底构件内的自由端。 通过层压由基本上由软化点约为700℃的硼硅酸盐组成的玻璃的混合物和基本上由氧化钡,氧化钕和氧化钛组成的陶瓷(相对介电常数:60)制成的基底构件,所述陶瓷(相对介电常数:60) 烧结温度约1300℃
    • 45. 发明授权
    • Chip antenna
    • 芯片天线
    • US5861852A
    • 1999-01-19
    • US827782
    • 1997-04-11
    • Kenji AsakuraTeruhisa TsuruSeiji KanbaTsuyoshi Suesada
    • Kenji AsakuraTeruhisa TsuruSeiji KanbaTsuyoshi Suesada
    • H01Q1/36H01Q1/38H01Q1/24
    • H01Q1/38H01Q1/362
    • A downsized chip antenna having a large bandwidth ratio is disclosed. The chip antenna has a rectangular prism-shaped base member providing a mounting surface. A conductor is formed inside the base member in such a manner that it is spirally wound around a winding axis, for example, a winding axis parallel to the mounting surface, i.e., in the longitudinal direction of the base member. One end of the conductor is extended to a surface of the base member to form a feeding section, which is connected to a feeding terminal, disposed over the surfaces of the base member to apply voltage to the conductor. In one embodiment, the other end of the conductor is connected to a midway portion of the conductor within the base member, thereby forming a loop in said conductor.
    • 公开了一种具有大带宽比的小型化芯片天线。 芯片天线具有提供安装表面的矩形棱柱形基座部件。 导体以这样的方式形成在基部构件的内部,使得其绕着绕轴线,例如平行于安装表面的卷绕轴线,即基底构件的纵向方向上螺旋地卷绕。 导体的一端延伸到基体的表面,以形成馈电部分,该馈电部分连接到馈电端子,设置在基体部件的表面上以向导体施加电压。 在一个实施例中,导体的另一端连接到基体内的导体的中间部分,从而在所述导体中形成环。
    • 46. 发明授权
    • Color image forming apparatus with plural color units
    • 具有多色单元的彩色图像形成装置
    • US5809380A
    • 1998-09-15
    • US804552
    • 1997-02-24
    • Noboru KatakabeMasanori YoshikawaKenji AsakuraMasahiro Aizawa
    • Noboru KatakabeMasanori YoshikawaKenji AsakuraMasahiro Aizawa
    • G03G15/01
    • G03G15/0194G03G15/0121G03G2215/0116
    • A color image forming apparatus having a simple mechanism for switching plural photosensitive drum units and still maintaining a high resolution image is provided. In the apparatus, each image forming unit including each color photosensitive drum is disposed around a rotating shaft of a carriage. Each photosensitive drum has a coupling plate at one end, which is engaged by a drive side coupling plate for transmitting a drive force to the photosensitive drum, when the image forming units is moved to the image forming position. An output shaft that rotates the drive side coupling plate supports an edge of a photosensitive drum shaft in alignment. A toner image formed on the photosensitive drum is transferred onto a transfer belt, which rotates at a constant speed, one by one to form a multicolor image on the transfer belt. The multicolor image on the transfer belt is transferred onto a paper sheet. A transmission between a motor and the carriage include a worm gear.
    • 提供一种具有用于切换多个感光鼓单元并且仍保持高分辨率图像的简单机构的彩色图像形成装置。 在该装置中,包括每个彩色感光鼓的每个图像形成单元设置在托架的旋转轴周围。 每个感光鼓在一端具有耦合板,当图像形成单元移动到图像形成位置时,该耦合板由驱动侧联接板接合,用于将驱动力传递到感光鼓。 旋转驱动侧联接板的输出轴支撑感光鼓轴的边缘对齐。 形成在感光鼓上的调色剂图像被转印到转印带上,该转印带以恒定的速度逐个旋转,以在转印带上形成多色图像。 转印带上的多色图像转印到纸张上。 马达和托架之间的传动装置包括蜗轮。
    • 48. 发明授权
    • Electrophotographic developing apparatus which utilizes single-component
developing material
    • 采用单组分显影材料的电子照相显影装置
    • US5495322A
    • 1996-02-27
    • US70171
    • 1993-06-02
    • Toshiyuki WadaKenji AsakuraYoshihiro YokoyamaYoshihito Urata
    • Toshiyuki WadaKenji AsakuraYoshihiro YokoyamaYoshihito Urata
    • G03G15/08G03G15/06
    • G03G15/0808G03G15/0865G03G15/0877G03G15/0896
    • An electrophotographic developing apparatus includes a photoreceptor drum supported for rotation in one direction, a rotatably supported developing roller disposed in face-to-face relation with the photoreceptor drum for supplying a single-component developing material, a rotatably supported charge transfer roller disposed on one side of the developing roll remote from the photoreceptor drum and in face-to-face relation with the developing roller for delivering the developing material onto the developing roller, a charged layer regulating member disposed around the charge transfer roller and cooperable with the charge transfer roller to regulate a charging and a layer of the developing material, and a developing hopper for accommodating the developing material to be supplied to the charge transfer member. In operation, the developing material within the hopper is carried by the charge transfer roller in the form of a charged toner layer which is subsequently delivered onto the developing roller. The toner layer on the developing layer is then deposited on an electrostatic latent image formed on the photoreceptor drum. At least one of a material for, a surface roughness of and a speed of movement of the developing roller differs from that of the charge transfer roller.
    • 一种电子照相显影装置,包括一个用于一个方向旋转的感光鼓,一个与用于供应单组分显影材料的感光鼓面对面地设置的可转动支撑的显影辊,一个设置在一个显影装置上的可旋转支撑的电荷转移辊 显影辊的侧面远离感光鼓并与显影辊面对面地连接,用于将显影材料输送到显影辊上;带电层调节件,设置在电荷转移辊周围并配合电荷转移辊 以调节显影材料的充电和层,以及用于容纳要供应到电荷转移构件的显影材料的显影漏斗。 在操作中,料斗内的显影材料由带电调色剂层的形式的电荷转移辊承载,随后将其输送到显影辊上。 然后将显影层上的调色剂层沉积在形成在感光鼓上的静电潜像上。 用于显影辊的表面粗糙度和移动速度的材料中的至少一种不同于电荷转移辊的材料。
    • 49. 发明授权
    • Fixing apparatus and image forming apparatus
    • 固定装置和成像装置
    • US07747206B2
    • 2010-06-29
    • US11684101
    • 2007-03-09
    • Shinji YamanaKenji AsakuraToshiaki Kagawa
    • Shinji YamanaKenji AsakuraToshiaki Kagawa
    • G03G15/20
    • G03G15/2053G03G2215/2016G03G2215/2019
    • A fixing apparatus includes: a fixing roller and a pressure roller which transport a recording paper while sandwiching the recording paper P therebetween so that an unfixed toner image formed on the recording paper is fixed thereon under heat and pressure; two support rollers; an endless belt which is set over the support rollers and comes into contact with a surface of the fixing roller; and heater lamps which are provided respectively inside the support rollers. A fixing apparatus satisfies a relationship indicated by (C2+C3)/C1≧2 where C1 is a heat capacity of each of the heater lamps, C2 is a heat capacity of each of the support rollers, and C3 is a heat capacity of the endless belt in each of areas where the endless belt is in contact with the support rollers. This realizes an external belt heat fixing apparatus which suppresses (a) heat damage to the endless belt and the surface of the fixing member and (b) unevenness of an image.
    • 定影装置包括:定影辊和压辊,其在将记录纸P夹在其间的同时输送记录纸,使得在记录纸上形成的未定影调色剂图像在热和压力下固定在其上; 两个支撑辊; 环形带,其设置在支撑辊上并与定影辊的表面接触; 以及分别设置在支撑辊内的加热灯。 定影装置满足由(C2 + C3)/C1≥2表示的关系,其中C1是每个加热灯的热容,C2是每个支撑辊的热容,C3是 环形带与支撑辊接触的区域中的环形带。 这实现了外部带热定影装置,其抑制(a)环形带和固定构件的表面的热损伤和(b)图像的不均匀性。
    • 50. 发明授权
    • Image forming apparatus having fixing device with external heater
    • 具有外部加热器的固定装置的图像形成装置
    • US07684746B2
    • 2010-03-23
    • US11683480
    • 2007-03-08
    • Kenji AsakuraHiroyuki Yamaji
    • Kenji AsakuraHiroyuki Yamaji
    • G03G15/20
    • G03G15/2032G03G2215/2016G03G2215/2019
    • Support rollers suspending an endless belt are arranged so that a distance between each support roller and a fixing roller is smaller than a height of a belt regulating member provided on each side of the support roller in moving the support rollers to the second position which allows the endless belt to be in contact with the fixing roller so that a contact area therebetween is smaller than in the first position. As a result, in a fixing apparatus which includes the regulating member for regulating a position of an external heating belt in a rotational axis direction so that a contact area size between the external heating belt and the fixing member is variable, it is possible to appropriately vary the contact area between the belt and the fixing material.
    • 布置悬挂环形带的支撑辊被布置成使得每个支撑辊和定影辊之间的距离小于在将支撑辊移动到第二位置时设置在支撑辊的每一侧上的带调节构件的高度, 环形带与定影辊接触,使得它们之间的接触面积小于第一位置。 结果,在包括用于调节外部加热带在旋转轴线方向上的位置使得外部加热带和固定构件之间的接触面积大小可变的调节构件的定影装置中,可以适当地 改变了皮带和固定材料之间的接触面积。