公开(公告)号：US4630146A

公开(公告)日：1986-12-16

申请号：US710091

申请日：1985-03-11

申请人： Nobutoshi Takayama ,  Hiroo Edakubo ,  Susumu Kozuki ,  Masahiro Takei ,  Kenichi Nagasawa

发明人： Nobutoshi Takayama ,  Hiroo Edakubo ,  Susumu Kozuki ,  Masahiro Takei ,  Kenichi Nagasawa

IPC分类号： G11B5/592 ,  G11B15/467 ,  G11B5/56

CPC分类号： G11B15/4672 ,  G11B5/5922

摘要： In an apparatus of the kind arranged to reproduce, with a plurality of rotary heads, an information signal from a record bearing medium having many recording tracks which are parallel to each other with the information signal recorded therein and with a plurality of different pilot signals of different frequencies also recorded one by one, one in each of the recording tracks, a plurality of different reference signals of different frequencies are simultaneously generated. A tracking error is detected by using the different reference signals together with the pilot signals which are included in signals reproduced from the plurality of rotary heads.

摘要翻译： 在这样一种装置中，利用多个旋转磁头从具有多个记录磁道的记录载体介质再现信息信号，该信息信号彼此平行并具有多个不同的导频信号 不同的频率也逐个记录，每个记录轨道中的一个，同时产生不同频率的多个不同的参考信号。 通过使用不同的参考信号以及包括在从多个旋转头再现的信号中的导频信号来检测跟踪误差。

公开(公告)号：US4939596A

公开(公告)日：1990-07-03

申请号：US015959

申请日：1987-02-18

申请人： Nobutoshi Takayama ,  Isao Harigaya ,  Kenichi Nagasawa

发明人： Nobutoshi Takayama ,  Isao Harigaya ,  Kenichi Nagasawa

IPC分类号： G11B5/008 ,  G11B15/087 ,  G11B15/18 ,  G11B27/024 ,  G11B27/32

CPC分类号： G11B27/32 ,  G11B15/087 ,  G11B15/1875 ,  G11B27/024 ,  G11B5/0086 ,  G11B5/00878

摘要： Disclosed is an information signal recording and reproducing apparatus which comprises first recording means for recording an information signal on a recording medium; first reproducing means for reproducing the information signal from the recording medium; second recording means for recording a control signal on the recording medium (the control signal corresponding to an optional quantity of the information signal); second reproducing means for reproducing the control signal from the recording medium; and control means for controlling the reproducing action of said first reproducing means in response to the control signal reproduced by said second reproducing means.

摘要翻译： 公开了一种信息信号记录和再现装置，其包括用于在记录介质上记录信息信号的第一记录装置; 第一再现装置，用于从记录介质再现信息信号; 用于在记录介质上记录控制信号的第二记录装置（对应于信息信号的可选量的控制信号）; 第二再现装置，用于从记录介质再现控制信号; 以及用于响应于由所述第二再现装置再现的控制信号来控制所述第一再现装置的再现动作的控制装置。

公开(公告)号：US4677503A

公开(公告)日：1987-06-30

申请号：US795186

申请日：1985-11-05

申请人： Kenichi Nagasawa ,  Nobutoshi Takayama

发明人： Kenichi Nagasawa ,  Nobutoshi Takayama

IPC分类号： G11B15/18 ,  G11B15/467 ,  H04N5/91 ,  G11B5/52

CPC分类号： G11B15/4678 ,  G11B15/1875

摘要： An information signal reproducing apparatus for reproducing information signals on a record bearing medium having said information signals recorded thereon in many recording tracks formed on the record bearing medium with intervals of a predetermined pitch. The information signal reproducing apparatus is so arranged that in a first moving mode, the record bearing medium is moved at a first moving speed wherein a reproduction head therein traces the record bearing medium in parallel to the longitudinal direction of the recording tracks, and in a second moving mode, the record bearing medium is moved with a different moving action from that in the first moving mode, and as the record bearing medium is moved based on the first moving mode or the second moving mode for tracing, by the reproduction head, the recording tracks formed on the record bearing medium and reproducing the information signals recorded in the recording tracks, a tracking error between a correct tracing position to the recording tracks and an actual tracing position of the reproduction head, is detected by using the information signals reproduced by the reproduction head, for generating tracking error signals corresponding to an amount of the tracking error and integrating such tracking error signals by an integrating device, thus effecting a control of the moving action of the record bearing medium by using the integrated tracking error signals so that a satisfactory reproduction of the information signals can be made.

摘要翻译： 一种信息信号再现装置，用于在记录载体介质上再现信息信号，该信息信号具有记录在记录载体介质上的多个记录轨道中的信息信号，并以预定间距间隔。 信息信号再现装置被布置成使得在第一移动模式中，记录载体介质以第一移动速度移动，其中再现头在其中记录平行于记录轨迹的纵向的记录载体介质，并且在 第二移动模式，记录承载介质以与第一移动模式不同的移动动作移动，并且当记录承载介质基于用于跟踪的第一移动模式或第二移动模式由再现头移动时， 记录轨迹形成在记录载体介质上并且再现记录在记录轨道上的信息信号，记录轨迹的正确跟踪位置与再现头的实际跟踪位置之间的跟踪误差通过使用再现的信息信号被检测 通过再现头，产生对应于跟踪误差和积分量的跟踪误差信号 通过积分装置处理这种跟踪误差信号，从而通过使用积分跟踪误差信号来实现记录承载介质的移动动作的控制，从而能够令人满意地再现信息信号。

公开(公告)号：US4665449A

公开(公告)日：1987-05-12

申请号：US643301

申请日：1984-08-22

申请人： Susumu Kozuki ,  Nobutoshi Takayama ,  Hiroo Edakubo ,  Tatsuzo Ushiro ,  Masahiro Takei ,  Kenichi Nagasawa

发明人： Susumu Kozuki ,  Nobutoshi Takayama ,  Hiroo Edakubo ,  Tatsuzo Ushiro ,  Masahiro Takei ,  Kenichi Nagasawa

IPC分类号： G11B5/592 ,  G11B15/467 ,  G11B21/10 ,  G11B5/56

CPC分类号： G11B5/592 ,  G11B15/4678 ,  G11B21/103

摘要： A rotating head type reproducing apparatus, arranged to reproduce a recorded signal by tracing, one after another many recording tracks formed on a record bearing medium at a predetermined pitch by a rotating head, includes a moving mechanism for moving the record bearing medium in a direction transverse to the recording tracks; a shifting mechanism for shifting the rotating head in a direction transverse to the rotating plane thereof; a pulse signal generator for generating a pulse signal in association with the moving operation of the moving mechanism on the record bearing medium; a counter for counting the pulse signal, the count datum of the counter being arranged to return to the initial datum every time a predetermined number of pulses of the pulse signal are counted; a timing signal generator for generating a timing signal in association with the rotation of the rotating head; and a control device for forming a control signal for controlling the shifting mechanism on the basis of the count data of the counter and the timing signal.

摘要翻译： 旋转磁头型重放装置，用于通过跟踪再现记录信号，通过旋转磁头以预定的间距一个接一个地在记录轴承介质上形成的许多记录磁道包括一个移动机构，用于沿记录轴承介质的方向 横向记录轨道; 用于使旋转头沿与其旋转平面横切的方向移动的移动机构; 脉冲信号发生器，用于与记录承载介质上的移动机构的移动操作相关联地产生脉冲信号; 计数器，用于对脉冲信号进行计数，计数器的计数基准被布置为每当计数脉冲信号的预定数量的脉冲时返回到初始数据; 定时信号发生器，用于与旋转头的旋转相关联地产生定时信号; 以及控制装置，用于基于计数器的计数数据和定时信号形成用于控制换档机构的控制信号。

公开(公告)号：US4675753A

公开(公告)日：1987-06-23

申请号：US816987

申请日：1986-01-09

申请人： Nobutoshi Takayama ,  Isao Harigaya ,  Kenichi Nagasawa

发明人： Nobutoshi Takayama ,  Isao Harigaya ,  Kenichi Nagasawa

IPC分类号： G11B5/008 ,  G11B15/087 ,  G11B15/18 ,  G11B27/024 ,  G11B27/32 ,  G11B5/02 ,  G11B15/46

CPC分类号： G11B27/024 ,  G11B15/087 ,  G11B15/1875 ,  G11B27/32 ,  G11B5/0086 ,  G11B5/00878

摘要： An information signal recording and reproducing apparatus includes first recording apparatus for recording an information signal on a recording medium; first reproducing apparatus for reproducing the information signal from the recording medium; second recording apparatus for recording a control signal on the recording medium (the control signal corresponding to an optional quantity of the information signal); second reproducing apparatus for reproducing the control signal from the recording medium; and control apparatus for controlling the reproducing action of the first reproducing apparatus in response to the control signal reproduced by the second reproducing apparatus.

摘要翻译： 信息信号记录和再现装置包括用于在信息记录介质上记录信息信号的第一记录装置; 第一再现装置，用于从记录介质再现信息信号; 用于在记录介质上记录控制信号的第二记录装置（对应于信息信号的可选量的控制信号）; 第二再现装置，用于从记录介质再现控制信号; 以及用于响应于由第二再现装置再现的控制信号来控制第一再现装置的再现动作的控制装置。

公开(公告)号：US5089919A

公开(公告)日：1992-02-18

申请号：US671663

申请日：1991-03-19

申请人： Susumu Kozuki ,  Kenichi Nagasawa ,  Hiroo Edakubo ,  Unichi Sato ,  Nobutoshi Takayama

发明人： Susumu Kozuki ,  Kenichi Nagasawa ,  Hiroo Edakubo ,  Unichi Sato ,  Nobutoshi Takayama

IPC分类号： G11B15/18 ,  G11B15/467

CPC分类号： G11B15/1875 ,  G11B15/4678

摘要： An information signal recording apparatus arranged to form a recording track on a recording medium by recording an information signal on the recording medium, in which the information signal is recorded on the recording medium in such state that a first tracking control signal, for effecting a first tracking operation during reproduction, is superimposed thereon, in the case where a stop of the recording track forming operation is not instructed, and the information signal is recorded on said recording medium in such state that a second tracking control signal, for effecting a second tracking operation during reproduction, is superimposed on the information signal, depending upon a timing when the stop of the recording track forming operation is instructed, whereby a position where the first tracking operation becomes impossible on the way of effecting the first tracking operation during reproduction is detected, so that a position of the step of the recording track forming operation on the recording medium can be easily detected.

摘要翻译： 一种信息信号记录装置，被配置为通过在记录介质上记录信息信号而在记录介质上形成记录轨道，其中信息信号被记录在记录介质上，在第一跟踪控制信号的状态下，用于执行第一 在没有指示记录轨道形成操作的停止的情况下，在再现期间的跟踪操作被叠加在信息信号被记录在所述记录介质上的状态下，用于执行第二跟踪 根据指示记录轨道形成操作的停止的定时，再现期间的操作被叠加在信息信号上，从而检测在再现期间执行第一跟踪操作的途中不可能进行第一跟踪操作的位置 ，使得记录轨道形成操作的步骤的位置o 可以容易地检测记录介质。

公开(公告)号：US5146373A

公开(公告)日：1992-09-08

申请号：US639417

申请日：1991-01-10

申请人： Tetsuya Wakui ,  Nobutoshi Takayama ,  Katsuji Yoshimura ,  Kenichi Nagasawa

发明人： Tetsuya Wakui ,  Nobutoshi Takayama ,  Katsuji Yoshimura ,  Kenichi Nagasawa

IPC分类号： G11B5/584

CPC分类号： G11B5/584

摘要： An apparatus for reproducing an information signal from a recording medium on which many tracks are formed, by periodically tracing the recording medium with a recording head. The position of the reproducing head relative to the recording medium is controlled on the basis of a tracking error signal which is obtained from the signals reproduced by the reproducing head. The track pitch is determined by a discrimination of a binary signal which is formed on the basis of a determination of whether the tracking signal is within a predetermined range.

摘要翻译： 一种用于通过用记录头周期性地跟踪记录介质来再现来自形成许多轨道的记录介质的信息信号的装置。 基于由再现头再现的信号获得的跟踪误差信号来控制再现头相对于记录介质的位置。 轨道间距由基于跟踪信号是否在预定范围内的确定形成的二进制信号的辨别来确定。

公开(公告)号：US4638390A

公开(公告)日：1987-01-20

申请号：US804350

申请日：1985-12-03

申请人： Susumu Kozuki ,  Kenichi Nagasawa ,  Hiroo Edakubo ,  Junichi Sato ,  Nobutoshi Takayama

发明人： Susumu Kozuki ,  Kenichi Nagasawa ,  Hiroo Edakubo ,  Junichi Sato ,  Nobutoshi Takayama

IPC分类号： G11B15/18 ,  G11B15/467 ,  G11B5/56

CPC分类号： G11B15/4678 ,  G11B15/1875

摘要： A recording apparatus for recording an information signal on a record bearing medium comprises recording means for recording the information signal on the record bearing medium, instruction means for producing an instruction to stop a recording operation, stopping means for bringing the recording operation to a stop in response to the instruction of the instruction means, pilot signal generating means for generating pilot signals of frequencies differing from each other in a first generating pattern one after another, control means for controlling the pilot signal generating means to generate the pilot signals in a second generating pattern in response to the instruction of the instruction means, and superimposing means for superimposing upon the information signal the pilot signals generated by the pilot signal generating means.

摘要翻译： 用于在记录承载介质上记录信息信号的记录装置包括用于将信息信号记录在记录载体介质上的记录装置，用于产生停止记录操作的指令的指令装置，用于使记录操作停止的停止装置 响应于指令装置的指令，导频信号产生装置，用于产生一个接一个地以第一产生模式彼此不同的频率的导频信号;控制装置，用于控制导频信号产生装置在第二产生中产生导频信号 响应于指令装置的指令的模式，以及叠加装置，用于将由导频信号产生装置产生的导频信号叠加在信息信号上。

公开(公告)号：US08690979B2

公开(公告)日：2014-04-08

申请号：US13304072

申请日：2011-11-23

申请人： Kenichi Nagasawa

发明人： Kenichi Nagasawa

IPC分类号： B01D50/00

CPC分类号： B08B5/04 ,  B01D45/16 ,  B04C5/26 ,  B04C2009/004 ,  B04C2009/005 ,  B07B9/02

摘要： A dust collection device for a concrete cutter includes a suction duct disposed on an upstream-most side; a plurality of dust collectors of a cylindrical cyclone system disposed in series downstream of the suction duct; and a plurality of dust collection chambers connected respectively to the plurality of dust collectors and storing individually dust separated in each of the dust collectors. A blower is disposed between any two of the plurality of dust collectors and performs intake and discharge of air by rotation of a built-in fan. A return flow channel communicates the suction duct with the dust collection chamber which is connected via a connection portion to a dust collector disposed on a downstream-most side from among the plurality of dust collectors, or a return flow channel communicates the suction duct with the connection portion.

摘要翻译： 用于混凝土切割机的集尘装置包括设置在最上游一侧的吸入管道; 串联设置在抽吸管道下游的圆柱形旋风系统的多个集尘器; 以及分别连接到多个集尘器的多个集尘室，并且分别存储在每个集尘器中的灰尘。 鼓风机设置在多个集尘器中的任意两个之间，并且通过旋转内置风扇来进行空气的排放。 回流通道将抽吸管道与通过连接部分连接的集尘室与设置在多个集尘器中的最下游侧的集尘器连通，或者回流通道将抽吸管道与 连接部分。

公开(公告)号：US07337765B2

公开(公告)日：2008-03-04

申请号：US11651679

申请日：2007-01-10

申请人： Giichi Tanaka ,  Yoshinori Harashima ,  Kenichi Nagasawa ,  Kenichi Muramoto

发明人： Giichi Tanaka ,  Yoshinori Harashima ,  Kenichi Nagasawa ,  Kenichi Muramoto

IPC分类号： F02D11/02 ,  F02D11/04

CPC分类号： F02D11/02

摘要： An engine stop switch and a fuel open-close lock are accommodated in a throttle lever case so that they can be easily disassembled, and the engine stop switch is turned on and off and the fuel open-close cock is opened and closed adequately by the actuation of a rotary valve in response to the turning of a lever. An engine stop switch and a fuel open-close lock are integrally incorporated in a throttle lever case, a partially toothless driven gear is intermittently rotated via a partially toothless drive gear rotated by a lever, and the intermittent rotation of the partially toothless driven gear turns on/off the engine stop switch and opens/closes the fuel open/close cock.

摘要翻译： 发动机停止开关和燃料开关锁被容纳在节气门杆壳体中，使得它们可以容易地拆卸，并且发动机停止开关被打开和关闭，并且燃料开闭阀门被充分地打开和关闭 响应于杆的转动致动旋转阀。 发动机停止开关和燃油开关锁一体地结合在节气门杆壳体中，部分无齿从动齿轮通过由杠杆旋转的部分无齿驱动齿轮间歇地旋转，部分无齿从动齿轮的间歇转动 开/关发动机停止开关，打开/关闭燃油打开/关闭旋塞。