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    • 2. 发明专利
    • 画像投射装置
    • 图像投影设备
    • JP2015036753A
    • 2015-02-23
    • JP2013168231
    • 2013-08-13
    • 株式会社リコーRicoh Co Ltd
    • ISHIKAWA NAOYUKIFUJIOKA TETSUYAKANAI HIDEOMIKAWA AKINAOYAMADA MASAMICHIMIKUTSU YASUNARITSUCHIYA SATOSHINISHI YUKIMI
    • G03B21/16G03B21/14H04N5/74H05K5/02
    • G03B21/16G03B21/145G03B21/2093H04N9/3144
    • 【課題】格子部の強度を維持しつつ格子の開口率を上げることができ、装置の大型化を抑制し、かつ、多くの空気を吸気または排気することができる画像投射装置を提供する。【解決手段】吸気カバー84aの中央部に、他の格子よりよりも厚みが厚い補強格子部285が設けられている。また、この補強格子部285から、上下方向に延びる格子を形成する複数の桟のうち数本も、他よりも厚く構成された補強桟286となっている。制御基板50は、吸気カバー84aの中央部よりも図中右側の厚みの薄い部分と対向するように配置されている。また、図のD方向からみたとき、上記制御基板50の一部が、補強格子部285と重なるように配置されている。【選択図】図25
    • 要解决的问题:提供一种能够在保持格子部分的强度的同时增加格子的孔径的图像投影装置,抑制装置的放大,并且可以吸收或排出大量的空气。解决方案:加强格子部分285 比其他格子厚,设置在进气盖84a的中心部分。 构成从加强格子部分285垂直延伸的格子的多个条的几个条也是比其他条更厚的加强条286。 控制板50设置成面对进气盖84a的中心部分的右侧(图中)的薄部。 从D方向(图示)看,控制基板50的一部分配置成与加强网格部285重叠。
    • 3. 发明专利
    • 画像投射装置
    • 图像投影设备
    • JP2015004866A
    • 2015-01-08
    • JP2013130736
    • 2013-06-21
    • 株式会社リコーRicoh Co Ltd
    • FUJIOKA TETSUYAISHIKAWA NAOYUKIKANAI HIDEOMIKAWA AKINAOYAMADA MASAMICHIMIKUTSU YASUNARITSUCHIYA SATOSHI
    • G03B21/16G03B21/00H04N5/74
    • G03B21/16G03B21/28H04N9/3144
    • 【課題】画像生成素子および光源を空冷する構成において、投射光学部の光学部品にゴミなどが付着するのを抑制することができる画像投射装置を提供する。【解決手段】画像を投射するための投射光学系などの投射光学部と、投射光学部を収納するための筐体とを備えた画像投射装置において、投射光学部は、第1光学部30と曲面ミラー42の下面との間に隙間を備え、隙間から空気の流入が可能であり、筐体は、所定の面に設けられ排気ファン86などの第1のファンを備える排気口85、吸気ブロワ91などの第2のファンを備え排気口85へ向かう流路が隙間付近を含まない第1の吸気口92、および、第1吸気口92とは異なる面に設けられ排気口85へ向かう流路が隙間付近を含みファンを備えない第2の吸気口84を備える。【選択図】図14
    • 要解决的问题:提供一种图像投影装置,其构造为对图像生成元件和光源进行空气冷却,并且能够防止灰尘等附着到投影光学单元的光学部件。解决方案: 图像投影装置具有投影光学单元,该投影光学单元包括用于投影图像的投影光学系统和用于容纳投影光学单元的底盘,其中投影光学单元在第一光学部分30和第二光学部分30之间具有空气可以流过的间隙 曲面镜42的底面,底座具有:设置在规定面上的排气口85,具有如排气风扇86的第一风扇; 第一吸入口92具有类似抽吸鼓风机91的第二风扇,并且与指向排气口85并且不包括间隙接近的流路相关联; 并且设置在除了具有第一吸入口92的面以外的表面上的第二吸入口84与指向排气口85并且包括间隙接近的流路相关联,并且不具有 风扇。
    • 4. 发明专利
    • Image projection apparatus
    • 图像投影设备
    • JP2014142515A
    • 2014-08-07
    • JP2013011467
    • 2013-01-24
    • Ricoh Co Ltd株式会社リコー
    • IKEDA MOTOHISAISHIKAWA NAOYUKIYAMADA MASAMICHIMIKUTSU YASUNARINANBA HIDEOKANAI HIDEOTSUCHIYA SATOSHI
    • G03B21/14H04N5/74
    • PROBLEM TO BE SOLVED: To provide an image projection device that is capable of reducing noise occurring between a substrate having image display elements thereon and a substrate disposed approximately vertically to that substrate and does not require strict positioning precision for a substrate having external terminals.SOLUTION: An image projection device comprises: a first substrate 5 having an image display element that controls projection of light for each display pixel on the basis of input data; an electrically conductive optical engine 11 that is connected with the ground of the first substrate 5, and enlarges and projects an image projected on the image display element; a second substrate 8 having a connector 10 that connects the first substrate 5 in a substantially vertical direction; and a metallic elastic body 13 that is provided on the optical engine 11 and is brought into contact with the ground of the second substrate 8 to be electrically connected thereto when the first substrate 5 is connected to the connector 10.
    • 要解决的问题:提供一种图像投影装置,其能够降低在其上具有图像显示元件的基板和大致垂直于该基板设置的基板之间发生的噪声,并且对于具有外部端子的基板不需要严格的定位精度。 图像投影装置包括:第一基板5,其具有基于输入数据控制每个显示像素的投影光的图像显示元件; 与第一基板5的接地连接的导电光学引擎11,并且对投影在图像显示元件上的图像进行放大投影; 具有连接器10的第二基板8,该连接器10在大致垂直的方向上连接第一基板5; 以及金属弹性体13,其设置在光学引擎11上并且当第一基板5连接到连接器10时与第二基板8的接地电连接。
    • 6. 发明专利
    • Image projection device
    • 图像投影设备
    • JP2014095811A
    • 2014-05-22
    • JP2012247372
    • 2012-11-09
    • Ricoh Co Ltd株式会社リコー
    • KANAI HIDEOYAMADA MASAMICHIFUJIOKA TETSUYATSUCHIYA SATOSHIMIKUTSU YASUNARIISHIKAWA NAOYUKIIKEDA MOTOHISA
    • G03B21/16G03B21/00H04N5/74
    • PROBLEM TO BE SOLVED: To prevent hot air from a light source device from concentrating in one exhaust fan.SOLUTION: An image projection device comprises: a light source part having a light emitting tube which emits light; a housing part for accommodating the light source part; a first and a second exhaust fans for discharging heat inside the device to the outside; a first air guide passage which is formed in the housing part and constitutes a passage through which air flow which has passed the vicinity of the light emitting tube and the surrounding of the light emitting tube reaches the first exhaust fan; and a second air guide passage which is formed in the housing part and constitutes a passage through which air flow which has passed the vicinity of the light emitting tube and the surrounding of the light emitting tube reaches the second exhaust fan. The first air guide passage and the second air guide passage are formed in the housing part in such a manner that the difference between their cross-sectional areas is not greater than a threshold value.
    • 要解决的问题:为了防止来自光源装置的热空气集中在一个排气扇中。图像投影装置包括:具有发光的发光管的光源部; 用于容纳所述光源部的壳体部; 用于将装置内的热量排放到外部的第一和第二排气扇; 第一空气引导通道,其形成在所述壳体部分中,并且构成通过所述发光管附近的空气流和所述发光管的周围的空气流到达所述第一排气风扇的通道; 第二空气引导通道形成在壳体部分中,并且构成通过发光管附近的空气流和发光管周围的空气流到达第二排气扇的通道。 第一空气引导通道和第二空气引导通道以其横截面积之间的差不大于阈值的方式形成在壳体部分中。
    • 7. 发明专利
    • Electronic apparatus, image projection apparatus
    • 电子装置,图像投影装置
    • JP2014053872A
    • 2014-03-20
    • JP2012198928
    • 2012-09-10
    • Ricoh Co Ltd株式会社リコー
    • YAMADA MASAMICHINANBA HIDEOTSUCHIYA SATOSHIMIKUTSU YASUNARIKANAI HIDEOISHIKAWA NAOYUKIIKEDA MOTOHISA
    • H04R1/02G03B21/00G03B21/14H04N5/64
    • G03B21/14G03B21/145H04R1/025H04R1/026H04R1/028H04R1/2896H04R2499/15
    • PROBLEM TO BE SOLVED: To reduce oscillation caused by a speaker.SOLUTION: An electronic apparatus comprises a speaker, a speaker holding part that holds the speaker, a main body to which the speaker holding part is attached, a first attachment part formed in the speaker, a second attachment part formed in the speaker holding part, a first elastic part that engages with both of the first attachment part and the second attachment part, a third attachment part formed in the speaker holding part, a fourth attachment part formed in the main body, and a second elastic part that engages with both of the third attachment part and the fourth attachment part. The speaker and the main body do not come into contact with each other in a state where the first attachment part and the second attachment part engage with the first elastic part, and the third attachment part and the fourth attachment part engage with the second elastic part.
    • 要解决的问题:减少由扬声器引起的振荡。解决方案:一种电子设备,包括扬声器,扬声器保持部分,其保持扬声器;扬声器保持部分安装在主体上,第一安装部分形成在 扬声器,形成在扬声器保持部中的第二安装部,与第一安装部和第二安装部两者接合的第一弹性部,形成在扬声器保持部的第三安装部,形成在扬声器保持部中的第四安装部 主体,以及与第三安装部和第四安装部两者接合的第二弹性部。 扬声器和主体在第一安装部和第二安装部与第一弹性部接合的状态下不会彼此接触,第三安装部和第四安装部与第二弹性部接合 。
    • 8. 发明专利
    • Light source device, optical scanner and image forming apparatus
    • 光源设备,光学扫描仪和图像形成设备
    • JP2011255640A
    • 2011-12-22
    • JP2010134057
    • 2010-06-11
    • Ricoh Co Ltd株式会社リコー
    • TSUCHIYA SATOSHI
    • B41J2/44G02B26/10H01S5/022H04N1/113
    • PROBLEM TO BE SOLVED: To provide a light source device which is excellent in cost-reduction and space-saving and can perform stable scanning, and to provide an optical scanner and an image forming apparatus.SOLUTION: The light source device has an FP type LDA 100 which includes a light emitting element 102, a frame 101 equipped with a mounting region 101a where the light emitting element 102 is mounted and a supporting region 101b formed in the periphery of the mounting region, and a resin part 103 integrally molded with the frame; a base 201 on which the FP type LDA is placed; and a fixing member 301 which fixes the FP type LDA 100 to the base. The base 301 includes a first contact part 201a which contacts to a rear surface of the mounting region 101a, and a positioning part 201c which contacts to the supporting region 101b and positions the FP type LDA 100 in an optical axis direction.
    • 要解决的问题:提供一种成本降低和节省空间并且能够执行稳定扫描的光源装置,并且提供光学扫描器和图像形成装置。 解决方案:光源装置具有FP型LDA 100,其包括发光元件102,配备有安装有发光元件102的安装区域101a的框架101和形成在发光元件102的周边的支撑区域101b 安装区域和与框架一体模制的树脂部分103; 放置FP型LDA的基座201; 以及将FP型LDA 100固定在基座上的固定部件301。 基座301包括与安装区域101a的后表面接触的第一接触部分201a和与支撑区域101b接触并将FP型LDA 100沿光轴方向定位的定位部分201c。 版权所有(C)2012,JPO&INPIT
    • 9. 发明专利
    • Optical scanner and image forming apparatus
    • 光学扫描仪和图像形成装置
    • JP2011039306A
    • 2011-02-24
    • JP2009186822
    • 2009-08-11
    • Ricoh Co Ltd株式会社リコー
    • TSUCHIYA SATOSHI
    • G02B26/10B41J2/44H04N1/113
    • PROBLEM TO BE SOLVED: To obtain an optical scanner which has an excellent and stable optical performance and is capable of being made compact, and to provide an image forming apparatus using the optical scanner.
      SOLUTION: A plurality of faces to be scanned are arranged on one and the same plane, and an optical deflector 102 includes: a first reflecting mirror 104 which has a plurality of reflection faces in a sub-scanning direction corresponding to respective light sources 301 and scans respective faces to be scanned with light, and reflects the luminous fluxes, which are closer to the respective faces to be scanned among the plurality of luminous fluxes deflected with the optical deflector 102 and pass through an imaging lens 103, to the direction moving away from the faces to be scanned; a second reflecting mirror 105 which reflects the light reflected on the first reflecting mirror 104 to the optical deflector 102 at the side of the supporting plate opposite to the fixing face of the imaging lens 103; and a third reflecting mirror 106 which allows the light reflected on the second reflecting mirror 105 pass between the optical deflector 102 and the imaging lens 103 to guide the light onto the respective faces to be scanned.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:为了获得具有优异且稳定的光学性能并能够被制造得紧凑的光学扫描仪,并提供使用该光学扫描器的图像形成装置。 解决方案:要扫描的多个面被布置在同一平面上,并且光学偏转器102包括:第一反射镜104,其具有与各个光线对应的副扫描方向上的多个反射面 源301并扫描要用光扫描的相应面,并且反射更接近于用光偏转器102偏转并穿过成像透镜103的多个光束中的要扫描的各个面的光通量, 方向远离待扫描的脸部; 第二反射镜105,其将在第一反射镜104上反射的光反射到与成像透镜103的固定面相对的支撑板侧的光偏转器102; 以及第三反射镜106,其允许在第二反射镜105上反射的光在光学偏转器102和成像透镜103之间通过,以将光引导到要扫描的各个面上。 版权所有(C)2011,JPO&INPIT
    • 10. 发明专利
    • Optical scanner and image forming apparatus
    • 光学扫描仪和图像形成装置
    • JP2010210673A
    • 2010-09-24
    • JP2009053573
    • 2009-03-06
    • Ricoh Co Ltd株式会社リコー
    • SUZUKI MITSUOTSUCHIYA SATOSHI
    • G02B26/10B41J2/44G02B5/08G02B5/30H04N1/036H04N1/113
    • PROBLEM TO BE SOLVED: To make an optical scanner compact and thin, while fully taking advantage of the effects of the oscillation mirror of an optical deflector. SOLUTION: A laser beam A (laser beams of a light source unit (black, cyan), diagonal incident angles are the same) and a laser beams B (laser beam of a light source unit (yellow, magenta)) are made incident with a narrow diagonal incident angle (angle in a subscanning position direction), θ with respect to the normal line of the reflection face of the oscillation mirror deflector 8. Even if the laser beams A and B are very close to each other, all laser beams for 4 colors are made incident on an optical path converting element 3; in the conventional case, one of two optical conversion elements does not block an optical path, the bow of scanning line on a photoreceptor 9 face is reduced by reducing the diagonal incident angle; and the beam diameter of the laser beam is made to be the beam diameter necessary for high image quality. Furthermore, also the laser beam B is passed and reflected on the same optical path converting element 3, reflected on a mirror 5, passed through a lens 4, condensed on a photoreceptor 9 and optically scanned in the same direction. Latent images that correspond to the respective photoreceptors 9 are formed. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:为了使光学扫描仪紧凑而薄,同时充分利用光学偏转器的振荡镜的效果。 解决方案:激光束A(光源单元(黑色,青色)的激光束,对角线入射角度相同)和激光束B(光源单元(黄色,品红色)的激光束)) 相对于振动镜偏转器8的反射面的法线,以窄的对角线入射角(副扫描位置方向的角度)成角度θ。即使激光束A和B彼此非常接近, 用于4种颜色的所有激光束入射到光路转换元件3上; 在常规情况下,两个光转换元件之一不阻挡光路,通过减小对角入射角来减小感光体9面上的扫描线的弓形; 并且使激光束的光束直径成为高图像质量所需的光束直径。 此外,激光束B通过并反射在相同的光路转换元件3上,在反射镜5上反射,穿过透镜4,在感光体9上聚光并沿相同方向光学扫描。 形成对应于各个感光体9的潜像。 版权所有(C)2010,JPO&INPIT