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1. 发明授权

US4386861A Dot matrix impact printer 失效
标题翻译：点阵冲击打印机
公开(公告)号：US4386861A
公开(公告)日：1983-06-07
申请号：US274742
申请日：1981-06-18
申请人： Toshio Kurihara , Masao Kunita , Makoto Yasunaga , Satoru Uchida
发明人： Toshio Kurihara , Masao Kunita , Makoto Yasunaga , Satoru Uchida
IPC分类号： B41J27/08 , B41J3/12 , B41J27/02
CPC分类号： B41J27/08
摘要： A dot matrix impact printer for color printing comprising a platen and a print wire. The platen comprises a plurality of members made of porous material containing different colors. The print wire and platen member are driven to a position adjacent each other and the print wire is moved to force a paper to the platen, so that a dot is printed on the paper with color ink contained in the corresponding member of the platen.
摘要翻译：一种用于彩色打印的点阵冲击打印机，包括压板和打印线。压板包括多个由不同颜色的多孔材料构成的构件。打印线和压板构件被驱动到彼此相邻的位置，并且打印线被移动以迫使纸张到压板，使得在包含在压板的相应构件中的彩色油墨上的纸上印上点。

2. 发明授权

US4509421A Printer head for a dot line printer 失效
标题翻译：点阵打印机的打印机头
公开(公告)号：US4509421A
公开(公告)日：1985-04-09
申请号：US450585
申请日：1982-12-17
申请人： Toshio Kurihara , Masao Kunita , Makoto Yasunaga , Katuya Masuda , Takashi Moriya , Seiichi Oosawa
发明人： Toshio Kurihara , Masao Kunita , Makoto Yasunaga , Katuya Masuda , Takashi Moriya , Seiichi Oosawa
IPC分类号： B41J9/127 , B41J9/38 , B41J3/12
CPC分类号： B41J9/38 , B41J9/127
摘要： A printer head of improved design for a dot line printer, for high speed data printout. The printer head features independent magnetic circuits for driving each of the printer needles which form printed dots, with the magnetic circuits acting on armatures carrying the printer stylus, the armatures being mounted on the free ends of leaf springs. The leaf springs can be designed for optimum performance, irrespective of magnetic circuit considerations, and the head assembly is based on a lightweight non-magnetic frame. Substantially higher printing speeds than have hitherto been possible are attainable, due to reduced heat buildup in the drive coils, reduced interference between adjacent magnetic circuits, and optimized spring performance.
摘要翻译：一种改进的点阵式打印机设计的打印头，用于高速数据打印。打印机头具有用于驱动形成打印点的每个打印机针的独立磁路，磁路作用在携带打印机触控笔的电枢上，电枢安装在板簧的自由端上。板簧可以设计成最佳性能，不考虑磁路考虑，头组件基于轻质非磁性框架。由于驱动线圈中的热积聚减少，相邻磁路之间的干扰减少，并且优化的弹簧性能，所以可实现基本上更高的打印速度。

3. 外观设计

USD281076S Printing hammer for dot printer 失效
公开(公告)号：USD281076S
公开(公告)日：1985-10-22
申请号：US484487
申请日：1983-04-13
申请人： Toshio Kurihara , Makoto Yasunaga , Masao Kunita , Seiichi Osawa , Takashi Moriya
设计人： Toshio Kurihara , Makoto Yasunaga , Masao Kunita , Seiichi Osawa , Takashi Moriya

4. 发明授权

US4484519A Stylus driving apparatus for printers 失效
标题翻译：用于打印机的触笔驱动装置
公开(公告)号：US4484519A
公开(公告)日：1984-11-27
申请号：US405313
申请日：1982-08-05
申请人： Toshio Kurihara , Makoto Yasunaga , Masao Kunita
发明人： Toshio Kurihara , Makoto Yasunaga , Masao Kunita
IPC分类号： B41J2/28 , B41J9/36 , B41J3/12 , B41J9/38
CPC分类号： B41J9/36 , B41J2/28
摘要： A stylus driving apparatus for an impact dot line printer is provided with a magnetic first yoke adjacent one side of a permanent magnet, a plurality of magnetic cores each having an exciting coil, a plurality of magnetic leaf springs disposed adjacent to a tip end of each core at a free end thereof, an armature secured to the free end of the leaf spring, and a magnetic second yoke diposed on the other side of the permanent magnet. The second yoke has a plurality of recesses. In the waiting position where the free end of the leaf spring is attracted to the tip end of the core, at least a part of the armature is surrounded by the inner wall of the recess of the second yoke.
摘要翻译：用于冲击点线打印机的触针驱动装置设置有与永磁体的一侧相邻的磁性第一磁轭，多个磁芯，每个磁芯具有励磁线圈，多个磁性片弹簧设置在每个磁头的末端附近芯部在其自由端，电枢固定在板簧的自由端，以及磁性第二轭铁，其位于永磁体的另一侧。第二磁轭具有多个凹部。在板簧的自由端被吸引到芯的顶端的等待位置中，衔铁的至少一部分被第二轭的凹部的内壁包围。

5. 发明授权

US4230039A Drum printer with helically arranged type sets 失效
标题翻译：鼓式打印机配有螺旋排列型号
公开(公告)号：US4230039A
公开(公告)日：1980-10-28
申请号：US905614
申请日：1978-05-12
申请人： Nagao Mizutani , Toshio Kurihara , Yutaka Nishiyama , Masao Kunita , Teruo Kinoshita , Makoto Yasunaga
发明人： Nagao Mizutani , Toshio Kurihara , Yutaka Nishiyama , Masao Kunita , Teruo Kinoshita , Makoto Yasunaga
IPC分类号： B41J1/50 , B41J1/24
CPC分类号： B41J1/50
摘要： A printing apparatus includes a type drum the outer circumferential surface of which has a first set of type including a plurality of type faces arranged in a counter-clockwise spiral and a second set of type including a plurality of type faces arranged in a clockwise spiral. The type drum is both reciprocated and rotated in synchronous fashion by cooperation between reciprocating and rotating drive means so that the sets of type disposed on the type drum pass the positions of a plurality of printing hammers confronting the drum and adapted to perform printing by striking the type faces on the drum through an inked ribbon and recording medium.
摘要翻译：一种打印装置，包括一个其外圆周表面具有包括以逆时针螺旋排列的多个类型的第一类型的类型的滚筒，以及包括以顺时针螺旋排列的多个类型的第二组类型。类型鼓通过往复运动和旋转驱动装置之间的协作而以同步的方式往复运动并旋转，使得设置在型式滚筒上的类型组通过面对滚筒的多个打印锤的位置，并且适于通过打击滚筒通过墨带和记录介质在滚筒上形成面。

6. 外观设计

USD281077S Core block for printing head 失效
公开(公告)号：USD281077S
公开(公告)日：1985-10-22
申请号：US493675
申请日：1983-05-11
申请人： Makoto Yasunaga , Masao Kunita , Katsuya Masuda , Seiichi Osawa
设计人： Makoto Yasunaga , Masao Kunita , Katsuya Masuda , Seiichi Osawa

7. 发明授权

US5039236A Print head with tapered conical return spring 失效
标题翻译：打印头带锥形复位弹簧
公开(公告)号：US5039236A
公开(公告)日：1991-08-13
申请号：US497722
申请日：1990-03-15
申请人： Katsuya Masuda , Masao Kunita , Makoto Yasunaga
发明人： Katsuya Masuda , Masao Kunita , Makoto Yasunaga
IPC分类号： B41J2/26 , B41J2/275
CPC分类号： B41J2/26 , B41J2/275
摘要： A dot matrix print head has a print wire unit having a plurality of print wires, an armature unit having a plurality of armatures, each corresponding to the print wire, and an electromagnet unit having electromagnets. Each wire comprises a wire body and a head. A return coil spring is provided between the head of the print wire and a guide plate. The return coil spring has a small diameter end portion engaged with the head and a large diameter portion engaged with the guide plate and has a substantially conical peripheral shape. The large diameter portion engages a recess, thereby preventing rotation of the spring.
摘要翻译：点阵式打印头具有具有多个打印线的打印线单元，具有多个电枢的电枢单元，每个电枢对应于打印线，以及具有电磁体的电磁体单元。每条线包括线体和头部。返回螺旋弹簧设置在打印丝的头部和引导板之间。返回螺旋弹簧具有与头部接合的小直径端部和与导向板接合的大直径部分，并具有大致圆锥形的周边形状。大直径部分接合凹部，从而防止弹簧旋转。

8. 发明授权

US4302115A System for driving print wires for printers 失效
标题翻译：用于打印打印机打印线的系统
公开(公告)号：US4302115A
公开(公告)日：1981-11-24
申请号：US102433
申请日：1979-12-11
申请人： Makoto Yasunaga , Toshio Kurihara
发明人： Makoto Yasunaga , Toshio Kurihara
IPC分类号： B41J2/225 , B41J2/27 , B41J2/275 , B41J3/12
CPC分类号： B41J2/275
摘要： A print wire driver for dot matrix impact printers comprises a pair of yokes made of magnetic material, a solenoid disposed between the yokes, an armature extending through the solenoid, and a print wire connected to the end of the armature. One of the yokes has first and second projected yoke ends, the other has third and fourth yoke ends, which are opposed to each other. The solenoid is disposed between the projected yoke ends. Between the yokes, a permanent magnet is provided to magnetize both yokes in reverse polarity with each other. The armature and four yoke ends are so arranged as to make two magnetic circuits, one of which is the path connecting the first yoke end, armature and fourth yoke end, and the other is the path connecting the second yoke end, armature and third yoke end. The solenoid is excited alternately in polarity to alternately magnetize the armature. Thus, the armature is reciprocated by the attractive and repulsive forces of the magnetic circuit to drive the print wire.
摘要翻译：用于点阵冲击打印机的打印线驱动器包括由磁性材料制成的一对轭，设置在轭之间的螺线管，延伸穿过螺线管的电枢以及连接到电枢端部的印刷线。轭中的一个具有第一和第二投射磁轭端，另一个具有彼此相对的第三和第四磁轭端。螺线管设置在突出的轭架末端之间。在轭之间，提供永磁体以使两个磁轭彼此相反极化。电枢和四个磁轭端被布置为制造两个磁路，其中之一是连接第一磁轭端，电枢和第四磁轭端的路径，另一个是连接第二磁轭端，电枢和第三磁轭的路径结束。螺线管交替地激励极性，以交替地磁化电枢。因此，电枢通过磁路的吸引力和排斥力往复运动以驱动印刷线。

9. 发明申请

US20050200614A1 Liquid crystal exposure device 有权
标题翻译：液晶曝光装置
公开(公告)号：US20050200614A1
公开(公告)日：2005-09-15
申请号：US10492354
申请日：2003-08-14
申请人： Sadao Masubuchi , Masafumi Yokoyama , Makoto Yasunaga , Masaaki Matsunaga
发明人： Sadao Masubuchi , Masafumi Yokoyama , Makoto Yasunaga , Masaaki Matsunaga
IPC分类号： B41J2/447 , B41J2/465 , G09G5/00
CPC分类号： B41J2/465 , B41J2/447
摘要： In a color liquid crystal exposure apparatus equipped with a liquid crystal shutter comprising a single array of liquid crystal pixels, a cost reduction is achieved by reducing the number of control ICs required to control the liquid crystal pixels in the liquid crystal shutter. The liquid crystal exposure apparatus for exposing a photosensitive member, during a relative movement thereof, comprises: a color light source for emitting a plurality of colored light beams; a liquid crystal shutter having a plurality of liquid crystal pixels arrayed in a direction orthogonal to the direction of the relative movement; and a driving circuit for switching the color light source from one color to another, and for driving the plurality of liquid crystal pixels, wherein the plurality of liquid crystal pixels are divided into a plurality of pixel groups of N liquid crystal pixels each, the N liquid crystal pixels in each pixel group being arrayed, one displaced from another by a prescribed distance, in the direction orthogonal to the direction of the relative movement, and the driving circuit drives the plurality of liquid crystal pixels in time-division fashion so that the liquid crystal pixels having the same displaced position in the plurality of pixel groups are driven at one time.
摘要翻译：在配备有包含单个液晶像素阵列的液晶快门的彩色液晶曝光装置中，通过减少控制液晶快门中的液晶像素所需的控制IC的数量来实现成本降低。用于使感光构件在相对运动期间曝光的液晶曝光装置包括：用于发射多个彩色光束的彩色光源; 具有在与所述相对移动方向正交的方向排列的多个液晶像素的液晶快门; 以及用于将彩色光源从一种颜色切换到另一种颜色的驱动电路，并且用于驱动多个液晶像素，其中多个液晶像素被分成N个液晶像素的多个像素组，每个N个每个像素组中的液晶像素在与相对移动方向正交的方向上被排列成一个从另一个移位了规定距离，并且驱动电路以时分方式驱动多个液晶像素，使得在多个像素组中具有相同位移位置的液晶像素一次被驱动。

10. 发明授权

US5215389A Print head for a dot matrix printer 失效
标题翻译：打印头用于点阵式打印机
公开(公告)号：US5215389A
公开(公告)日：1993-06-01
申请号：US924586
申请日：1992-08-06
申请人： Yukihisa Kato , Tetsuya Yamamoto , Makoto Yasunaga
发明人： Yukihisa Kato , Tetsuya Yamamoto , Makoto Yasunaga
IPC分类号： B41J2/275
CPC分类号： B41J2/275
摘要： A print head for a dot matrix printer has a head body, a plurality of print needles slidably mounted in the head body, a plurality of armatures, each corresponding to the print needle, an electromagnet provided on the head body for attracting a corresponding armature for actuating the print needles. The guide grooves are formed in the head body, corresponding to the armatures. An end portion of the armature is inserted in the guide groove so as to be guided during printing operation.
摘要翻译：点阵打印机的打印头具有头主体，可滑动地安装在头主体中的多个打印针，多个电枢，各自对应于打印针，电磁体设置在头本体上，用于吸引相应的电枢启动打印针。引导槽形成在头部本体中，对应于电枢。电枢的端部插入引导槽中，以在打印操作期间被引导。

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