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    • 42. 发明申请
    • Orientation data generation method, orientation sensor unit and portable electronic equipment
    • 定向数据生成方法,定向传感器单元和便携式电子设备
    • US20060032064A1
    • 2006-02-16
    • US11200051
    • 2005-08-10
    • Hideki SatoYukio Wakui
    • Hideki SatoYukio Wakui
    • G01C17/38
    • G01C17/38
    • Data are input from a geomagnetic sensor that detects magnetic fields in three axial directions, and magnetic field data are measured on the basis of the input data. The measured magnetic field data are sequentially stored, and a determination is made as to whether a plurality of the magnetic field data thus stored lie within a same plane in a three-dimensional orientation space. When it has been determined that the plurality of the magnetic field data lie within the same plane in the three-dimensional orientation space, center coordinates of a circular arc where the stored magnetic field data lie are calculated, as provisional offset values, on the basis of the magnetic field data and in accordance with a predetermined algorithm. Magnetic field data measured after the calculation of the provisional offset values is corrected with the provisional offset values, and an arithmetic operation is performed for determining orientation data on the basis of the corrected magnetic field data.
    • 数据是从检测三轴方向的磁场的地磁传感器输入的,并且根据输入数据测量磁场数据。 依次存储测量的磁场数据,并且确定这样存储的多个磁场数据是否位于三维取向空间中的同一平面内。 当确定多个磁场数据位于三维取向空间中的同一平面内时,计算存储的磁场数据的圆弧的中心坐标作为临时偏移值,基于 的磁场数据并根据预定的算法。 在临时偏移值的计算之后测量的磁场数据用临时偏移值进行校正,并且执行用于基于校正的磁场数据确定取向数据的算术运算。
    • 44. 发明申请
    • Method and apparatus for measuring magnetic offset of geomagnetic sensor and portable electronic apparatus
    • 用于测量地磁传感器和便携式电子设备的磁偏移的方法和装置
    • US20050283988A1
    • 2005-12-29
    • US11150643
    • 2005-06-10
    • Hideki SatoSatoshi Nihashi
    • Hideki SatoSatoshi Nihashi
    • G01C17/38G01D5/244G01D18/00
    • G01D3/0365G01C17/38
    • A method is designed for measuring a magnetic offset of a geomagnetic sensor equipped in a portable information terminal apparatus having a storage. The geomagnetic sensor has a magnetic sensitivity to a geomagnetic field and is affected by magnetization to cause the magnetic offset. In the method, an output of the geomagnetic sensor is measured to successively provide measurement data of the geomagnetic field from the output of the geomagnetic sensor. The measurement data is stored in the storage. The measurement data is read out from the storage when a number of the measurement data stored in the storage reaches a predetermined number, and an offset value of the magnetic offset is estimated based on the predetermined number of the measurement data read out from the storage.
    • 一种设计用于测量配备在具有存储器的便携式信息终端设备中的地磁传感器的磁偏移的方法。 地磁传感器对地磁场具有磁性灵敏度,并受磁化影响,导致磁偏移。 在该方法中,测量地磁传感器的输出,以从地磁传感器的输出连续提供地磁场的测量数据。 测量数据存储在存储器中。 当存储在存储器中的测量数据的数量达到预定数量时,从存储器读出测量数据,并且基于从存储器读出的预定数量的测量数据来估计磁偏移的偏移值。
    • 49. 发明授权
    • Liquid crystal composition and liquid crystal display device
    • 液晶组成和液晶显示装置
    • US5866033A
    • 1999-02-02
    • US946859
    • 1997-10-08
    • Masaharu KanekoMasami KadowakiHideki Sato
    • Masaharu KanekoMasami KadowakiHideki Sato
    • C09K19/60C09K19/22
    • C09K19/603C09K19/601
    • A guest host mode liquid crystal composition comprising dichroic dyes and host liquid crystal, wherein said dichroic dyes are at least one member selected from each of the following groups (A), (B) and (C):Group (A) consisting of azo dichroic dyes of the following formula (I): ##STR1## wherein each of R.sup.1 and R.sup.2 which are independent of each other, is a hydrogen atom, a C.sub.1-10 alkyl or alkoxy group, a C.sub.2-12 alkoxyalkyl group, a halogen atom, or a cyclohexyl, phenyl, benzyl or cyclohexylmethyl group which may have such an alkyl, alkoxy or alkoxyalkyl group or a halogen atom, as a substituent;Group (B) consisting of azo dichroic dyes of the following formula (II): ##STR2## wherein n is 0 or 1, R.sup.3 is R.sup.1 and each of R.sup.4 and R.sup.5 which are independent of each other, is a hydrogen atom, a C.sub.1-10 alkyl, alkoxy or halogenated alkyl group, a C.sub.2-12 alkoxyalkyl group, a halogen atom, or a benzyl or cyclohexylmethyl group which may be substituted as R.sup.1 ; andGroup (C) consisting of anthraquinone dichroic dyes of the following formula (III): ##STR3## wherein ##STR4## each of R.sup.6 and R.sup.7 which are independent of each other, is a hydrogen atom, a halogen atom, a C.sub.1-10 alkyl or alkoxy group, a C.sub.2-12 alkoxyalkyl group, or a cyclohexyl or phenyl group which may be substituted as R.sup.1.
    • 包含二色性染料和主体液晶的客体主体模式液晶组合物,其中所述二色性染料是选自以下各组(A),(B)和(C)中的至少一种:由偶氮 下式(I)的二色性染料:其中R 1和R 2彼此独立地为氢原子,C 1-10烷基或烷氧基,C 2-12烷氧基烷基, 可以具有烷基,烷氧基或烷氧基烷基或卤素原子作为取代基的卤素原子或环己基,苯基,苄基或环己基甲基; 由下式(II)的偶氮二色性染料组成的组(B):相互独立的R 4和R 5的R 1和R 2的R 3是氢原子,C 1-10烷基,烷氧基或卤代 烷基,C 12-12烷氧基烷基,卤素原子或可被取代的苄基或环己基甲基; 和由下式(III)表示的蒽醌二色性染料组成的组分(C):其中彼此是氢原子,卤素原子,C1-10烷基或烷氧基,C2- 12个烷氧基烷基,或可以被取代为R1的环己基或苯基。