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    • 11. 发明授权
    • Videoconference system
    • 视频会议系统
    • US06351233B1
    • 2002-02-26
    • US09703732
    • 2000-11-02
    • Hiroshi Takenaka
    • Hiroshi Takenaka
    • H03M112
    • H04N21/2368H04N7/14H04N21/242H04N21/4307H04N21/4341
    • A videoconference allowing an realistic videoconference without the need for increasing the header information and regardless of compression/expansion system is disclosed. A transmitting terminal simultaneously and periodically embeds a marking signal to each of the image and voice signals corresponding to each other. After compressing and multiplexing each of the marked image and voice signals, they are transmitted to the other party. The receiving terminal expands the received image and voice signals and detects an arrival time difference based on marking signals detected from the received image and voice signals. Depending on the arrival time difference, timings of the received image and voice are adjusted.
    • 公开了允许真实的视频会议的视频会议,而不需要增加头信息,而不管压缩/扩展系统如何。 发送终端同时并周期性地将标记信号嵌入到彼此对应的图像和语音信号中的每一个上。 在压缩和复用每个标记的图像和语音信号之后,它们被传送到另一方。 接收终端根据从接收到的图像和语音信号检测到的标记信号来扩展接收到的图像和语音信号并检测到达时间差。 根据到达时间差,调整接收到的图像和声音的定时。
    • 12. 发明授权
    • Process for producing 3, 3, 5-trimethylcyclohexylidenebisphenol
    • 制备3,3,5-三甲基亚环己基双酚的方法
    • US06284931B1
    • 2001-09-04
    • US09421372
    • 1999-10-20
    • Yoichiro IsotaToru NakaguchiHiroshi TakenakaKazuhiko Yao
    • Yoichiro IsotaToru NakaguchiHiroshi TakenakaKazuhiko Yao
    • C07L3917
    • C08G64/06C07C37/20C07C2601/14C08G75/23C07C39/17
    • A process for producing a 3,3,5-trimethylcyclohexylidenebisphenol, comprising pre-reacting a phenol (A), i.e., phenol whose 2- and 6-positions may be monosubstituted or disubstituted with an alkyl group having 1 to 4 carbon atoms, with 3,3,5-trimethylcyclohexanone (B) at a molar ratio ((A)/(B)) of 3 to 7 in the presence of an acid catalyst until 3,3,5-trimethylcyclohexanone (B) exhibits a degree of conversion of at least 90 mol %; adding the phenol (A) and/or an aromatic hydrocarbon (C) to the thus obtained reaction mixture; and post-reacting the resultant mixture. This process enables not only suppressing a rise of the viscosity of the reaction mixture but also obtaining the desired product at high yield. Therefore, this process is applicable to not only the productivity enhancement in batch processing but also a continuous reaction processing which has been regarded as being difficult.
    • 一种制备3,3,5-三甲基亚环己基双酚的方法,包括将苯酚(A)即其2-和6-位可以被具有1至4个碳原子的烷基单取代或二取代的苯酚预反应, (A)/(B))的摩尔比为3至7的3,3,5-三甲基环己酮(B)在酸催化剂存在下直至3,3,5-三甲基环己酮(B)显示出转化程度 至少90mol%; 向由此得到的反应混合物中加入苯酚(A)和/或芳族烃(C); 并使所得混合物反应。 该方法不仅可以抑制反应混合物的粘度上升,而且能够以高收率得到所需的产物。 因此,该方法不仅适用于分批处理的生产率提高,而且适用于被认为难以进行的连续反应处理。
    • 13. 发明授权
    • Hot repair mix comprising bisphenol as a fluidizing agent
    • 热修复混合物,其包含双酚作为流化剂
    • US06214081B1
    • 2001-04-10
    • US09630740
    • 2000-08-02
    • Hiroshi TakenakaShuzo HoritaToshihiko AkizukiYoshiaki Osaki
    • Hiroshi TakenakaShuzo HoritaToshihiko AkizukiYoshiaki Osaki
    • F27D116
    • C04B35/66C04B35/013C04B35/043F27D1/1642
    • The hot repair mix according to the present invention comprises bisphenol as an auxiliary fluidizing agent in an amount of 1 to 20 weight parts and a material to form carbon bond in hot working process in an amount of 5 to 40 weight parts to 100 weight parts of a refractory material. It has satisfactory properties such as spreading property, hardenability, adhesive property, property of the finished portion in hot working process, and this leads to improvement of durability of the baking material. Moreover, there is no change over time such as solidification, sedimentation separation, etc. in summer season, and it can be easily transported and stored. Because of easy handling and good workability of this material, baking operation can be accomplished within short time, and it is very useful as a hot repair mix for repairing various types of refinery furnaces, molten metal containers, etc. in hot working process.
    • 根据本发明的热修复混合物包含双酚作为1至20重量份的辅助流化剂,并且在热加工过程中形成碳键的材料的量为5至40重量份至100重量份 耐火材料。 其具有令人满意的性能,如扩散性,淬透性,粘合性,热加工过程中成品部分的性能,这导致烘烤材料的耐久性得到改善。 此外,夏季也不会有固化,沉淀分离等时间的变化,易于运输和储存。 由于这种材料易于处理和良好的可加工性,烘烤操作可以在短时间内完成,并且作为在热加工过程中修复各种类型的炼油炉,熔融金属容器等的热修复混合物是非常有用的。
    • 20. 发明申请
    • ZOOM LENS LENS-BARREL AND IMAGING APPARATUS
    • 变焦镜头镜头和成像装置
    • US20070229991A1
    • 2007-10-04
    • US11561432
    • 2006-11-20
    • Hiroshi TakenakaMitsuru Shinohara
    • Hiroshi TakenakaMitsuru Shinohara
    • G02B7/02
    • G02B7/102
    • A zoom lens lens-barrel is capable of stabilizing movement of a lens holding frame along an optical axis, ensuring retraction of the lens-barrel into the main body, and reducing the size of the zoom lens lens-barrel. A zoom lens lens-barrel which supports at least one of a plurality of lenses in a movable manner along an optical axis direction comprises a pair of first guide shafts provided parallel to an optical axis Z direction which support outer periphery of a first lens frame and a second lens frame and a pair of second guide shafts provided parallel to the optical axis Z direction and at a different phase position in the lens-barrel plane than the pair of first guide shafts, which support the outer periphery of a third lens frame, a fourth lens frame, and a fifth lens frame.
    • 变焦透镜镜筒能够稳定透镜保持框架沿光轴的移动,确保镜筒回缩到主体中,并减小变焦镜头镜筒的尺寸。 沿着光轴方向可移动地支撑多个透镜中的至少一个透镜的变焦镜头镜筒包括平行于支撑第一透镜框的外周的光轴Z方向设置的一对第一引导轴, 第二透镜框和一对平行于光轴Z方向并且在透镜镜筒平面中与支撑第三透镜框的外周的一对第一引导轴不同的相位位置设置的第二引导轴, 第四透镜框和第五透镜框。