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    • 11. 发明专利
    • NONLINEAR OPTICAL DISPLAY ELEMENT
    • JPH06301077A
    • 1994-10-28
    • JP8972593
    • 1993-04-16
    • TOYOTA MOTOR CORP
    • NAKAMURA NAOKI
    • G02F1/37
    • PURPOSE:To obtain a nonlinear optical display element without any second harmonic scattering and capable of high-precision display. CONSTITUTION:A nonlinear optical material powder 3 generating a second harmonic by the injection of a laser beam is filled between two substrates 1A and 1B, at least one of which is transparent, to constitute the element. The space filled with the powder 3 between the substrates 1A and 1B is divided by a partition wall 4 into small sections communicating with the substrate to form many independent display regions. Since the powder 3 is confined in the minute space consisting of the small sections, the scattered light is oriented, and a delicate display is produced for each dot. Further, a condensing lens is provided to at least one substrate at a position corresponding to each small section, the incident laser beam is concentrated on the display region, and hence the injection loss due to the partition wall is reduced.
    • 13. 发明专利
    • DRIVING METHOD FOR ELECTROPHORESIS DISPLAY ELEMENT
    • JPH0391722A
    • 1991-04-17
    • JP22869789
    • 1989-09-04
    • TOYOTA MOTOR CORP
    • NAKAMURA NAOKITOSHIMA KAZUO
    • G02F1/19G02F1/167G09G3/16
    • PURPOSE:To obtain the coloring state of a display element by applying 1st DC high voltage to a translucent type electrophoresis display element and then applying and holding a 2nd DC low voltage to obtain the translucent state of the display element and applying an AC voltage to a transparent electrode film. CONSTITUTION:The 1st DC high voltage V1 of 300V is applied between the transparent electrodes 2a and 2b so that the polarity of the mesh or striped transparent electrode film 2b is opposite from the polarity of the electrostatic charging of dispersed particles 3. Then the 2nd DC low voltage V2 of 100V is applied between the transparent electrodes 2a and 2b and held so that the polarity of the mesh or striped transparent electrode film 2b is opposite from the polarity of the electrostatic charging of the dispersed particles 3, thereby obtaining the translucent state of the display element. Then the sine wave of 50Hz in frequency and 150V in voltage V3 is applied between the transparent electrodes 2a and 2b as an AC voltage to obtain the coloring state.
    • 14. 发明专利
    • ELECTROPHORETIC DISPLAY ELEMENT
    • JPH0353224A
    • 1991-03-07
    • JP18912489
    • 1989-07-21
    • TOYOTA MOTOR CORP
    • TOSHIMA KAZUONAKAMURA NAOKI
    • G02F1/1343G02F1/167
    • PURPOSE:To prevent the flocculation of electrophoretic particles by oscillating at least either of a dispersion medium and the electrophoretic particles by driving an oscillating device when a voltage is impressed to an electrode. CONSTITUTION:A cell 1 is oscillated by the oscillation of a PZT ultrasonic oscillator 20, by which dispersion media 14 and the electrophoretic particles 13 are oscillated as well when an oscillator driving circuit 21 is driven simultaneously with the inversion driving of an electrophoretic display element driving circuit 15. The electrophoretic particles 13 stuck to the electrode 12b are liberated form the electrode 12b by the energy of this oscillation and are attracted to the electrode 12a. The PZT ultrasonic oscillator 20 is driven for a prescribed period of time and while the liberated electrophoretic particles are diffused into the cell space, the particles are attracted to the electrode 12a. Consequently, the electrophoretic particles 13 attracted to the electrode 12a are stuck uniformly to the entire surface of the electrode 12a and the red display of the electrophoretic particles 13 is visible from a viewing side.
    • 17. 发明专利
    • Titanium alloy
    • 钛合金
    • JP2010189735A
    • 2010-09-02
    • JP2009036987
    • 2009-02-19
    • Toyota Central R&D Labs IncToyota Motor CorpUniv Of Tsukubaトヨタ自動車株式会社国立大学法人 筑波大学株式会社豊田中央研究所
    • SHOJI TETSUYANAKAMURA NAOKIKURAMOTO SHIGERUMIYAZAKI SHUICHIKIN KIEI
    • C22C14/00B21B3/00C22F1/00C22F1/18
    • PROBLEM TO BE SOLVED: To provide a titanium alloy whose work hardening is suppressed so as to obtain stable, high workability while maintaining its high strength.
      SOLUTION: The titanium alloy has a chemical composition at least comprising Nb and O among Nb, Zr, Ta and O, and in which Nb equivalent defined by formula (1): Nb equivalent(at%)=Nb content(at%)+0.875×Zr content(at%)+0.75×Ta content(at%)+4×O content(at%) is 32 to 39 at%; wherein, the O content is 0.5 to 1.5 at%, the Zr content is ≤4 at%, and the balance Ti with inevitable impurities; wherein, the hardness of the solution-treated material is ≥200 Hv, the hardness of the 95% cold-worked material is ≤300 Hv, and a work hardening rate defined by formula (2): the work hardening rate (%)={the hardness (Hv) of the 95% cold-worked material-the hardness (Hv) of the solution-treated material}/{the hardness (Hv) of the solution-treated material}×100 is ≤20%.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 解决的问题:提供一种钛合金,其加工硬化被抑制,以便在保持其高强度的同时获得稳定的高加工性。 解决方案:钛合金在Nb,Zr,Ta和O中至少包含Nb和O的化学组成,其中由式(1)定义的Nb当量:Nb当量(at%)= Nb含量(在 %)+ 0.875×Zr含量(at%)+ 0.75×Ta含量(at%)+ 4×O含量(at%)为32〜39原子% 其中,O含量为0.5〜1.5原子%,Zr含量≤4原子%,余量为Ti与不可避免的杂质; 其中,溶液处理材料的硬度≥200Hv,95%冷加工材料的硬度≤300Hv,由式(2)定义的加工硬化率:加工硬化率(%)= 95%冷加工材料的硬度(Hv) - 溶液处理材料的硬度(Hv)/溶液处理材料的硬度(Hv)×100为≤20%。 版权所有(C)2010,JPO&INPIT