公开(公告)号：US06209444B1

公开(公告)日：2001-04-03

申请号：US09253597

申请日：1999-02-22

申请人： Kazuo Murakami ,  Toshiro Fujii ,  Naoya Yokomachi ,  Takayuki Imai

发明人： Kazuo Murakami ,  Toshiro Fujii ,  Naoya Yokomachi ,  Takayuki Imai

IPC分类号： F01B300

CPC分类号： F04B27/0878 ,  F04B27/1045 ,  F04B39/14

摘要： A piston-operated refrigerant compressor provided with pistons fitted with piston rings and reciprocating in cylinder bores of a cylinder block having a central boss portion formed in an inner end face thereof confronting a crank chamber for receiving a cam or swash plate mounted on a drive shaft, and the central boss portion of the cylinder block defining therein a plurality of axially projecting lip portions formed at a portion of each bore end of the cylinder bore for permitting the diameter of the piston ring to be compressively reduced during inserting of the piston into the corresponding cylinder bore at the assembling stage of the refrigerant compressor either in cooperation with a piston-assembling jig provided with guide bores to promote a smooth insertion of each piston together with the piston ring into the corresponding cylinder bore or without cooperation of the piston-assembling jig.

摘要翻译： 一种活塞式制冷剂压缩机，其具有装配有活塞环的活塞并且在气缸体的气缸孔中往复运动，该气缸体具有形成在其内端面中的中心凸台部，该内侧端面面对曲柄室，用于接收安装在驱动轴上的凸轮或斜盘 ，并且缸体的中心凸台部分在其中限定了形成在气缸孔的每个孔端部的一部分处的多个轴向突出的唇部，用于允许活塞环的直径在活塞插入 在制冷剂压缩机的组装阶段，与设置有导向孔的活塞组装夹具配合，以促进每个活塞与活塞环一起平滑地插入到相应的气缸孔中，或者不与活塞组装 夹具

公开(公告)号：US6031164A

公开(公告)日：2000-02-29

申请号：US163076

申请日：1998-09-29

申请人： Kazuo Murakami

发明人： Kazuo Murakami

IPC分类号： G10D3/04 ,  G10D3/02

CPC分类号： G10D3/04

摘要： A mute violin has a soundboard formed with a resonator, a neck projecting from the soundboard, a string holder attached to the other end of the soundboard, strings stretched between pegs screwed into the neck and the string holder and a damping bridge structure supported between a fingerboard attached to the neck and the string holder in a spacing relation to the soundboard, and the damping bridge structure is formed of viscoelastic polymer so that the vibrations are hardly propagated from the strings to the soundboard.

摘要翻译： 静音小提琴具有形成有谐振器的音板，从音板突出的颈部，附接到音板的另一端的弦架，在螺丝拧入颈部的针和琴弦架之间延伸的琴弦以及支撑在音柱之间的阻尼桥结构 指板以与音板间隔的关系连接到颈部和弦架，并且阻尼桥结构由粘弹性聚合物形成，使得振动几乎不会从琴弦传播到音板。

公开(公告)号：USD384675S

公开(公告)日：1997-10-07

申请号：US47414

申请日：1995-12-04

申请人： Kazuo Murakami ,  Toshiro Fujii ,  Satoshi Umemura ,  Kazuaki Iwama

设计人： Kazuo Murakami ,  Toshiro Fujii ,  Satoshi Umemura ,  Kazuaki Iwama

公开(公告)号：US5361266A

公开(公告)日：1994-11-01

申请号：US138037

申请日：1993-10-19

申请人： Yukio Kodama ,  Kazuo Murakami ,  Hideo Yoshida

发明人： Yukio Kodama ,  Kazuo Murakami ,  Hideo Yoshida

IPC分类号： G11B20/18 ,  H03M13/00 ,  H03M13/29 ,  G06F11/10

CPC分类号： H03M13/091 ,  H03M13/1515 ,  H03M13/159 ,  H03M13/29 ,  H03M13/6575

摘要： An error correction circuit is capable of performing correction errors in data at a high speed. A syndrome generator (2) calculates syndromes of RS codes based on partial data streams which are given from a data buffer (1). A received CRC generator (13) performs CRC coding on the partial data streams which are given from a data buffer (1) to thereby obtain received CRCs. An error pattern CRC generator (14) calculates error pattern CRCs of the respective partial data stream based on error patterns which are generated by an error pattern generation circuit (33). Under the control of a control circuit (40), the operations performed by the syndrome generator (2), the received CRC generator (13) and the error pattern CRC generator (14) are carried out at the same time. An improvement in the speed of error correction of the partial data streams performed by the error correction means directly leads to an improvement in the speed of the whole error correction.

摘要翻译： 误差校正电路能够以高速执行数据中的校正误差。 校正子发生器（2）基于从数据缓冲器（1）给出的部分数据流来计算RS码的校验子。 接收到的CRC发生器（13）对从数据缓冲器（1）给出的部分数据流执行CRC编码，从而获得接收到的CRC。 错误模式CRC发生器（14）基于由错误模式产生电路（33）生成的错误模式来计算各部分数据流的错误模式CRC。 在控制电路（40）的控制下，由校正子发生器（2），接收到的CRC发生器（13）和错误模式CRC发生器（14）执行的操作同时进行。 由纠错装置执行的部分数据流的纠错速度的改善直接导致整个纠错的速度的提高。

公开(公告)号：US5316447A

公开(公告)日：1994-05-31

申请号：US980279

申请日：1992-11-23

申请人： Toshiro Fujii ,  Koichi Ito ,  Kazuo Murakami ,  Kazuaki Iwama

发明人： Toshiro Fujii ,  Koichi Ito ,  Kazuo Murakami ,  Kazuaki Iwama

IPC分类号： F04B27/08 ,  F04B27/10 ,  F04B39/08 ,  F04B39/10 ,  F04B49/24 ,  F04B1/12 ,  F01B13/04

CPC分类号： F04B27/1009 ,  F04B39/08 ,  F04B49/24 ,  F05C2201/906

摘要： A compressor comprises a cylinder block having cylinder bores formed radially spaced from and circumferentially distributed equidistantly about the cylinder longitudinal axis. Pistons are slidably received in the respective bores for reciprocation therein executing alternately suction and discharge strokes. The compressor also has a discharge valve assembly for controlling discharge of a compressed fluid from each of the bores into a discharge chamber, which assembly is axially movable between a first position in which the assembly is abutted against an end wall of the block and a second position in which the assembly is spaced from the end wall of the block to define a narrow space therebetween to interconnect the bores with each other. When the assembly is pushed toward the second position by the pressure of the compressed fluid during initial running of the compressor, bypass channels interconnect the cylinder with the discharge chamber.

摘要翻译： 压缩机包括气缸体，其具有气缸孔，其形成为围绕气缸纵向轴线等距离地并且周向地分布形成。 活塞可滑动地容纳在相应的孔中以在其中往复运动，执行交替的抽吸和排出冲程。 压缩机还具有排出阀组件，用于控制压缩流体从每个孔排出到排放室中，该排出室可在第一位置和第二位置之间轴向移动，在该第一位置，组件抵靠在块体的端壁上， 所述组件与所述块的端壁间隔开以在其间限定狭窄空间的位置，以使所述孔相互连接。 当在压缩机的初始运行期间通过压缩流体的压力将组件推向第二位置时，旁路通道将气缸与排出室相连接。

公开(公告)号：US4873905A

公开(公告)日：1989-10-17

申请号：US194872

申请日：1988-05-17

申请人： Kazuo Murakami ,  Yasutoshi Kaneko ,  Takasi Tamaki

发明人： Kazuo Murakami ,  Yasutoshi Kaneko ,  Takasi Tamaki

IPC分类号： G10F1/02

CPC分类号： G10F1/02

摘要： An automatic player piano comprises (a) a keyboard provided with a plurality of keys each having a front end portion, an intermediate portion and a rear end portion, the front end portion being pressed by a player for requesting a sound, (b) a key supporting unit provided on a key bed and having a front rail capable of engagement with the front end portion, a back rail capable of engagement with the rear end portion and a balance rail provided between the front rail and the back rail and rockably supporting the intermediate portion, (c) a sound producing mechanism associated with each of the keys and operative to produce the sound, (d) a plurality of key action mechanisms each engagable with the rear end portion of each key and operative to transfer a motion of the key to the sound producing mechanism, and (e) a plurality of key actuator units each provided between the front and balance rails of the key supporting unit and operative to pull down each of the keys for requesting a sound upon activation thereof. The hollow space between the front rail and the balance rail is substantially equal over various piano, so that a common key actuator unit assembly may be incorporated in the automatic player piano of different models.

公开(公告)号：US4843936A

公开(公告)日：1989-07-04

申请号：US124998

申请日：1987-11-24

申请人： Kazuo Murakami ,  Yukiyoshi Matsushima

发明人： Kazuo Murakami ,  Yukiyoshi Matsushima

IPC分类号： G10F3/00

CPC分类号： G10F3/00

摘要： For easy adjustment of a key driver assembly, there is disclosed an automatic music player system having at least a recording mode and a reproducing mode and comprising (a) a piano having a keyboard provided with a plurality of keys, a sound generator mechanism operative to mechanically generate sounds when the keys are actuated, and an effector mechanism operative to affect the sound generated by the sound generator mechanism upon actuation, (b) a control unit located at the outside of the piano and operative to store a musical information produced by a keying-in on the keyboard and an operation of the effector mechanism in the recording mode and to produce drive signals based on the musical information stored therein in the reproducing mode, (c) a key driver assembly provided with a plurality of actuators corresponding to the keys, respectively, and responsive to the drive signal for selectively actuating the keys, (d) an effector driver assembly responsive to the drive signal and operative to actuate the effector mechanism, and (e) electric wires coupling the piano to the control unit and electrically connecting the control unit to the key driver assembly and the effector drive assembly, and the control unit and the key driver assembly are physically separated from each other, so that an operator can easily furnish or remove the key driver assembly upon changing the operation mode of the system.

摘要翻译： 为了容易地调整关键的驱动器组件，公开了一种具有至少记录模式和再现模式的自动音乐播放器系统，并且包括（a）具有设置有多个键的键盘的钢琴，声音发生器机构， 当钥匙被致动时机械地产生声音;以及效果器机构，其可操作以在致动时影响由声音发生器机构产生的声音，（b）控制单元，其位于钢琴的外部，并可操作以存储由 键入键盘和效果器机构在记录模式下的操作，并且以再现模式存储在其中的音乐信息产生驱动信号，（c）键驱动器组件，其具有对应于多个致动器的多个致动器 键，并且响应于驱动信号用于选择性地致动键，（d）响应于驱动信号和操作的效应器驱动器组件 驱动效应器机构，和（e）将钢琴耦合到控制单元并将控制单元电连接到键驱动器组件和效应器驱动组件的电线，并且控制单元和键驱动器组件在物理上与 使得操作者可以在改变系统的操作模式时容易地提供或移除钥匙驱动器组件。

公开(公告)号：US4756223A

公开(公告)日：1988-07-12

申请号：US64055

申请日：1987-06-19

申请人： Kazuo Murakami

发明人： Kazuo Murakami

IPC分类号： G10F1/02 ,  G10H1/00 ,  G10C3/26

CPC分类号： G10F1/02 ,  G10H1/46 ,  G10H2230/011

摘要： An automatic player piano in which solenoid-operated key actuator units are provided respectively in association with the individual keyboard keys and are energized normally with signals effective to produce sounds with dynamic levels within a predetermined, selectable operable range of the player piano, wherein when it is desired that the player piano be used as a background music player, the key actuator units are energized with signals effective to produce sounds with dynamic levels within another range at least partially lower than the predetermined operable range of the player piano.

摘要翻译： 一种自动演奏器钢琴，其中分别提供电磁操作的键致动器单元与各个键盘键相关联，并且通过有效产生在演奏器钢琴的预定的可选可操作范围内的动态水平的声音的信号被正常地通电，其中当它 期望演奏者钢琴用作背景音乐播放器，关键致动器单元通过有效产生具有至少部分地低于演奏者钢琴的预定可操作范围的另一范围内的动态水平的声音来激励。

公开(公告)号：US4444488A

公开(公告)日：1984-04-24

申请号：US337321

申请日：1982-01-05

申请人： Yozo Fujii ,  Kazuo Murakami ,  Hirofumi Sakaguchi

发明人： Yozo Fujii ,  Kazuo Murakami ,  Hirofumi Sakaguchi

IPC分类号： G03B27/50 ,  G03B27/52 ,  G03G15/04 ,  G03G15/00

CPC分类号： G03B27/526

摘要： In the optical system of an electrophotographic copying apparatus embodying movable mirrors, it is of the utmost importance that these mirrors be properly aligned relatively to one another. In the present invention, two of the mirrors mounted at right angles to one another on a slidable frame which moves at half the speed of another movable mirror, are mounted on that frame for slight pivotal movement. This pivotal movement is controllable to provide adjustment of errors in the optical system and when adjustment is completed the mirrors are fixed in place.

摘要翻译： 在体现可移动反射镜的电子照相复印装置的光学系统中，最重要的是这些反射镜相对于彼此适当对准。 在本发明中，在以另一可移动镜的速度的一半移动的可滑动框架上彼此成直角安装的两个反射镜安装在该框架上以进行轻微的枢转运动。 该枢转运动是可控的以提供光学系统中的误差的调整，并且当调整完成时，反射镜被固定就位。

公开(公告)号：US4189969A

公开(公告)日：1980-02-26

申请号：US806356

申请日：1977-06-14

申请人： Shinji Katayama ,  Kazuo Murakami

发明人： Shinji Katayama ,  Kazuo Murakami

IPC分类号： H05K1/18 ,  G10H3/18 ,  H04R1/06 ,  H04R1/46 ,  G01H3/00

CPC分类号： G10H3/185 ,  H04R1/06 ,  H04R1/46 ,  G10H2220/471 ,  G10H2220/485 ,  G10H2220/525

摘要： In a construction of a transducer or pickup unit for musical instruments having strings, a piezo-electric element is fully embedded within a synthetic resin shield block having top crest for supporting strings while projecting electrode terminals outside of the shield block for direct connection to a printed electric circuit, thereby avoiding drawbacks caused by use of electric lead wires in the conventional pickup unit and damage by atmospheric moisture. The pickup assembly has unitary means for collectively carrying the pickup units at precisely uniform intervals, thereby simplifying registration of the pickup units at correct positions relative to the strings and printed electric circuits.

摘要翻译： 在用于具有弦的乐器的换能器或拾取单元的结构中，压电元件完全嵌入合成树脂屏蔽块中，该合成树脂屏蔽块具有用于支撑弦的顶部顶部，同时将屏蔽块外部的电极端子突出以直接连接到印刷 电路，从而避免了在常规拾取单元中使用电引线而引起的缺点，并且受到大气水分的损害。 拾取组件具有用于以精确均匀的间隔共同地携带拾取单元的单一装置，从而简化了拾取单元在相对于串和印刷电路的正确位置的对准。