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    • 21. 发明申请
    • TUNING APPARATUS FOR A PRINTHEAD
    • 用于打印机的调谐装置
    • US20090147048A1
    • 2009-06-11
    • US12037086
    • 2008-02-26
    • Yong ZhaoHai-Bo Shang
    • Yong ZhaoHai-Bo Shang
    • B41J25/304
    • B41J25/308
    • A tuning element having a second inclined plane interacts with a pushing element having a first inclined plane to accomplish adjusting the position of a printhead. The tuning element rotates relative to a printhead carrier and produces displacement in a second direction and the second inclined plane of the tuning element then pushes the first inclined plane of the pushing element and produces displacement in a first direction in a linear way corresponding to the rotation of the tuning element. Meanwhile, the printhead closely in contact with the pushing element also produces displacement in the first direction so that the tuning apparatus is endowed with highly accurate and linear adjustability.
    • 具有第二倾斜平面的调谐元件与具有第一倾斜平面的推动元件相互作用以完成调节打印头的位置。 调谐元件相对于打印头托架旋转并且在第二方向上产生位移,并且调谐元件的第二倾斜平面然后推动推动元件的第一倾斜平面,并以对应于旋转的线性方式产生沿第一方向的位移 的调谐元件。 同时,与推动元件紧密接触的打印头也在第一方向上产生位移,使得调谐装置具有高精度和线性的可调性。
    • 23. 发明申请
    • Unnatural prosody detection in speech synthesis
    • 语言合成中的非自然韵律检测
    • US20090083036A1
    • 2009-03-26
    • US11903020
    • 2007-09-20
    • Yong ZhaoFrank Kao-ping SoongMin ChuLijuan Wang
    • Yong ZhaoFrank Kao-ping SoongMin ChuLijuan Wang
    • G10L13/08G06F17/30
    • G10L13/10
    • Described is a technology by which synthesized speech generated from text is evaluated against a prosody model (trained offline) to determine whether the speech will sound unnatural. If so, the speech is regenerated with modified data. The evaluation and regeneration may be iterative until deemed natural sounding. For example, text is built into a lattice that is then (e.g., Viterbi) searched to find a best path. The sections (e.g., units) of data on the path are evaluated via a prosody model. If the evaluation deems a section to correspond to unnatural prosody, that section is replaced, e.g., by modifying/pruning the lattice and re-performing the search. Replacement may be iterative until all sections pass the evaluation. Unnatural prosody detection may be biased such that during evaluation, unnatural prosody is falsely detected at a higher rate relative to a rate at which unnatural prosody is missed.
    • 描述了一种技术,通过该技术,从文本产生的合成语音针对韵律模型(离线训练)进行评估,以确定语音是否会听起来不自然。 如果是,则使用修改的数据重新生成语音。 评估和再生可能是迭代的,直到被认为是自然的声音。 例如,文本被内置到一个格子中,然后(例如,维特比)被搜索以找到最佳路径。 通过韵律模型评估路径上的数据的部分(例如,单位)。 如果评估认为一部分对应于非自然韵律,则该部分被替换,例如通过修改/修剪格子并重新执行搜索。 替换可能是迭代的,直到所有部分通过评估。 不自然的韵律检测可能有偏差,使得在评估期间,相对于错过非自然韵律的速率,以较高的速率错误地检测到非自然韵律。
    • 28. 发明申请
    • Jettable compositions
    • US20050171237A1
    • 2005-08-04
    • US10515793
    • 2003-05-23
    • Ranjana PatelYong ZhaoRichard Peace
    • Ranjana PatelYong ZhaoRichard Peace
    • B41J2/01B29C67/00B41M5/00C08G59/00C08L101/12C09D11/101C09D11/36C03C17/00C09D11/00
    • C09D11/36B33Y40/00B33Y70/00C09D11/101
    • A fully curable jettable composition having a viscosity less than 30 cps at a temperature within the range of 15-180° C., more preferably at a temperature of 15-100° C., e.g. 60-80° C. the composition comprising: (A) at least one low viscosity reactive resin selected from the group consisting of compounds containing an oxetane ring, cycloaliphatic epoxy resins, tetrahydrofurans, hexahydropyrans and mono-functional (meth)acrylates, said resin having a molecular weight of not greater than 300 Daltons, e.g. 250 Daltons or less, and a viscosity at a temperature in the said range of less than 30 cps, e.g. 5 to 15 cps; (B) at least one higher viscosity resin selected from the group consisting of epoxy resins, compounds containing an oxetane ring and acrylates, which resin acts to thicken the low viscosity resin and strengthen a jetted deposit of the composition, the higher viscosity resin having: a viscosity greater than twice that of the low viscosity resin at the said temperature in the range stated above, and a functionality of greater than or equal to 2; (C) at least one curable toughener, preferably having a functionality of at least 2, such as hydroxy, epoxy, acrylic or other reactive functionalised polymer/oligomer (e.g. derived by functionalising poly(tetrahydrofuran), polycaprolactone, polycarbonate diol, or a dendrimeric polyol; (D) at least one initiator for the polymerisation of the resins, and (E) at least one stabiliser for delaying the curing of the resins of the composition; wherein the low viscosity resin is slower to react than the higher viscosity resin and acts to solvate the higher viscosity resin prior to curing and at least partly during curing and wherein at least 30% of the components A and B are cationically curable resins. The composition can be jetted from piezo electric printing heads under the control of a computer program to form a multi-layered article, e.g. a three dimensional article, in which the adjacent droplets merge and are cured homogeneously together.