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    • 4. 发明授权
    • Silver halide photographic material
    • 卤化银照相材料
    • US4740454A
    • 1988-04-26
    • US886490
    • 1986-07-17
    • Naoyasu DeguchiTetsuro KojimaHideo MiyazakiShigeru OhnoKoki Nakamura
    • Naoyasu DeguchiTetsuro KojimaHideo MiyazakiShigeru OhnoKoki Nakamura
    • G03C1/06C07D285/12C07D285/125C07D285/135G03C1/035G03C1/09G03C7/392G03C1/34G03C1/02
    • G03C1/09G03C7/39276
    • A silver halide photographic material comprising a support having thereon at least one light-sensitive silver halide emulsion layer containing tabular silver halide grains which have a diameter not less than 5 times the thickness thereof and account for at least 50% of the total projected area of the silver halide grains present in the silver halide emulsion layer and the silver halide photographic material also contains at least one compound represented by following general formulae (I), (II), (III) and (IV): ##STR1## wherein R represents a straight chain, branched chain or cyclic alkylene group, a straight chain or branched chain alkenylene group, a straight chain or branched chain aralkylene group or an arylene group; R.sub.1 represents a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted aralkyl group or a substituted or unsubstituted aryl group; Z represents a hydrogen atom or a polar substituent; X represents a hydrogen atom, a cation necessary for neutralizing the molecule or a precursor; and n represents 0 or 1.The silver halide photographic material has improved image sharpness not only at high spatial frequencies but also at low spatial frequencies.
    • 一种卤化银照相材料,包括其上具有至少一种含有片状卤化银颗粒的感光卤化银乳剂层的载体,所述片状卤化银颗粒的直径不小于其厚度的5倍,并且占总投影面积的至少50% 存在于卤化银乳剂层和卤化银照相材料中的卤化银颗粒还含有至少一种由以下通式(I),(II),(III)和(IV)表示的化合物: (III)其中R表示直链,支链或环状亚烷基,直链或支链亚烯基,直链或支链亚芳基或 亚芳基; R1表示取代或未取代的烷基,取代或未取代的烯基,取代或未取代的芳烷基或取代或未取代的芳基; Z表示氢原子或极性取代基; X表示氢原子,中和该分子或前体所必需的阳离子; 并且n表示0或1.卤化银照相材料不仅在高空间频率下而且在低空间频率下具有改善的图像清晰度。
    • 5. 发明授权
    • Method of configurating acoustic correction filter for stringed instrument
    • 弦乐器声校正滤波器配置方法
    • US06881892B2
    • 2005-04-19
    • US10370328
    • 2003-02-18
    • Hideo MiyazakiShinji KishinagaYoujiro Takabayashi
    • Hideo MiyazakiShinji KishinagaYoujiro Takabayashi
    • G10H1/02G10H1/12G10H3/18
    • G10H1/125G10H3/185G10H3/186G10H2250/115G10H2250/145Y10S84/09
    • A method is provided for designing an acoustic correction filter applicable to a stringed instrument, which is composed of a string member operable to undergo a vibration, a support member for supporting the string member, a body member responsive to the vibration transmitted through the support member for generating a natural sound and a mute attachment for muting the natural sound. The acoustic correction filter is operable when the natural sound is muted by the mute attachment for filtering a signal derived from the vibration so as to create an artificial sound instead of the muted natural sound. The method is carried out by the steps of acquiring a first sample signal from the vibration under a mute state, acquiring a second sample signal from the vibration under a free state, extracting a difference between the acquired first sample signal and the acquired second sample signal, and determining a correction characteristic of the acoustic correction filter based on the extracted difference such that the acoustic correction filter can filter the signal in accordance with the determined correction characteristic so as to create the artificial sound comparable to the natural sound.
    • 提供了一种用于设计适用于弦乐器的声学校正滤光器的方法,所述弦乐器由可操作以进行振动的弦乐器构成,用于支撑所述弦乐器构件的支撑构件,响应于通过所述支撑构件传递的振动的主体构件 用于产生自然声音和静音附件以使自然声音静音。 声音校正滤波器可操作,当自然声音被静音附件静音时滤波来自振动的信号,以产生人造声音而不是静音的自然声音。 该方法通过以下步骤进行:从静止状态下的振动中获取第一采样信号,从空闲状态下的振动获取第二采样信号,提取所获取的第一采样信号和采集的第二采样信号之间的差 并且基于所提取的差异来确定声学校正滤波器的校正特性,使得声学校正滤波器可以根据所确定的校正特性对信号进行滤波,从而产生与自然声音相当的人造声音。