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    • 1. 发明授权
    • Composite concentration system
    • 复合浓度系统
    • US4571721A
    • 1986-02-18
    • US418898
    • 1982-09-16
    • Tadahiko YasuiShizuo ItoAkira HorikiHajime YamadaTakashi Usami
    • Tadahiko YasuiShizuo ItoAkira HorikiHajime YamadaTakashi Usami
    • H04Q3/545H04Q3/60H04Q11/04
    • H04Q11/04
    • In a composite concentration system of the type utilizing a time division system in which voice signals are digitized and then concentrated in a traffic, there are provided a first subscriber line interface means of a first type which connects subscriber lines directly to subscriber line interface circuits, a second subscriber line interface means of a second type which connects subscriber lines to subscriber line interface circuits via a space division concentration switch and a time division concentration switch connected to the first and second subscriber line interface means via switching interfaces. The number of output terminals of the first subscriber line interface means is equal to that of the output terminals of the second subscriber line interface means when a concentration ratio of the space division concentration switch to the second subscriber line interface means is 1:1 and corresponding output terminals are constructed such that the same channel is assigned to the time division concentration switch. The composite concentration system of this invention is inexpensive and can readily expand a telephone system according to a variation in percentage of calls or change in a service performance.
    • 在使用语音信号被数字化然后集中在业务中的时分系统的类型的复合浓度系统中,提供了将用户线直接连接到用户线路接口电路的第一类型的第一用户线路接口装置, 第二类型的第二用户线接口装置,其经由经由切换接口连接到第一和第二用户线接口装置的空分集中开关和时分集中开关将用户线连接到用户线路接口电路。 当空间分配浓度开关与第二用户线接口装置的浓度比为1:1时,第一用户线接口装置的输出端数量与第二用户线接口装置的输出端的数量相等 输出端子被构造为使得相同的通道被分配给时分浓度开关。 本发明的复合浓缩系统是廉价的,并且可以根据呼叫百分比的变化或服务性能的变化容易地扩展电话系统。
    • 5. 发明授权
    • Silver halide photographic material containing dispersed dye
    • 含有分散染料的卤化银照相材料
    • US5238798A
    • 1993-08-24
    • US873981
    • 1992-04-27
    • Takashi Usami
    • Takashi Usami
    • G03C1/83
    • G03C1/832
    • A silver halide photographic material having on a support a hydrophilic colloid layer containing at least one 2-pyrazoline-5-one oxonol dye represented by formula (I) in the form of a dispersion of fine solid particles thereof; ##STR1## wherein R.sup.1 represents a hydrogen atom, an aryl group, a cyano group, a halogen atom, --COOR.sup.2, --COR.sup.3, --ONR.sup.3 R.sup.4, --OR.sup.2, --NHCOR.sup.3, or --NR.sup.3 R.sup.4 (wherein R.sup.2 represents an alkyl group or an aryl group and R.sup.3 and R.sup.4 each represents a hydrogen atom, an alkyl group, or an aryl group); and L.sup.1, L.sup.2, L.sup.3, L.sup.4, and L.sup.5 each represents a methine group.
    • 一种卤化银照相材料,其在载体上具有含有至少一种由式(I)表示的2-吡唑啉-5-酮氧杂菁染料的亲水胶体层,其为其细小固体颗粒的分散体; (I)其中R1表示氢原子,芳基,氰基,卤素原子,-COOR2,-COR3,-ONR3R4,-OR2,-NHCOR3或-NR3R4(其中R2表示烷基 或芳基,R 3和R 4各自表示氢原子,烷基或芳基)。 L1,L2,L3,L4和L5各自表示次甲基。
    • 8. 发明授权
    • Silver halide photographic material
    • US5238799A
    • 1993-08-24
    • US946166
    • 1992-09-17
    • Takashi UsamiShigeru OhnoYoko Idogaki
    • Takashi UsamiShigeru OhnoYoko Idogaki
    • C09B23/00G03C1/83
    • G03C1/832
    • Disclosed is a silver halide photographic material having a hydrophilic colloid layer which contains a dispersion of fine solid grains of at least one dye of formula (I): ##STR1## where R.sub.1 and R.sub.2 each represents an alkyl group, an aryl group, a cyano group or a group of COOR.sub.3, COR.sub.3, CONR.sub.4 R.sub.5, NR.sub.4 R.sub.5, NR.sub.4 COR.sub.3, NR.sub.4 CONR.sub.4 R.sub.5, OR.sub.3, SR.sub.3, SOR.sub.3 or SO.sub.2 R.sub.3 ; R.sub.3 being an alkyl group or an aryl group, and R.sub.4 and R.sub.5 each being a hydrogen atom, an alkyl group or an aryl group, and R.sub.3 and R.sub.4 or R.sub.4 and R.sub.5 being optionally bonded to each other to form a 5-membered or 6-membered ring; L.sub.1, L.sub.2 and L.sub.3 each represents a methine group; and n represents 0 or 1; provided that R.sub.1, R.sub.2, L.sub.1, L.sub.2 and L.sub.3 must not have an ionizable proton-having group or a salt thereof. The material preferably has, in addition to the dispersion of fine solid grains of at least one dye of formula (I), a dispersion of fine solid grains of at least one dye of formula (II): ##STR2## where R.sub.21 and R.sub.23 each represents a hydrogen atom, an alkyl group or an aryl group; R.sub.22 and R.sub.24 each represents an alkyl group, an aryl group, or a group of OR.sub.26, COOR.sub.26, COR.sub.25, SR.sub.26, SOR.sub.25, SO.sub.2 R.sub.25, CONR.sub.26 R.sub.27, NR.sub.26 COR.sub.25, NR.sub.26 CONR.sub.26 R.sub.27 or NR.sub.25 R.sub.26, or a cyano group; R.sub.25 being an alkyl group or an aryl group, and R.sub.26 and R.sub.27 each being a hydrogen atom, an alkyl group or an aryl group, and R.sub.25 and R.sub.26 or R.sub.26 and R.sub.27 being optionally bonded to each other to form a 5-membered or 6-membered ring; and L.sub.21, L.sub.22 and L.sub.23 each represents a methine group; provided that the formula has at least one aryl group having at least one substituent selected from the group consisting of a carboxylic acid group, a sulfonamide group and an arylsulfamoyl group except for the case where R.sub. 21 and R.sub.23 are both hydrogen atoms. The dyes (I) and (II) color only a hydrophilic colloid layer containing them, and they do not diffuse to any other layers during storage of the material. After developed, the dyes (I) and (II) are rapidly decolored.