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1. 发明授权

US4928050A Recorder 失效
标题翻译：录音机
公开(公告)号：US4928050A
公开(公告)日：1990-05-22
申请号：US302196
申请日：1989-01-27
申请人： Akira Torisawa , Masaaki Kakizaki , Noriaki Ito , Shigeru Yoshimura
发明人： Akira Torisawa , Masaaki Kakizaki , Noriaki Ito , Shigeru Yoshimura
IPC分类号： G06K15/10 , H02P8/14 , H02P8/00
CPC分类号： G06K15/10 , H02P8/14 , Y10S400/903
摘要： A data recorder in which a recording is moved by stepping motor whose rotor rotation angle is detected, the stepping motor having a current switching circuit which controls the application of excitation current to the drive coils of the motor in accordance with the detected rotation angle. A control circuit counts the detected result of the rotor rotation angle, detects the position of the head and generates start and stop control signals of the head, thereby starting and stopping switch-over control of the current switching circuit being effected.
摘要翻译：一种数据记录器，其中通过检测转子旋转角度的步进电机来移动记录，步进电机具有电流切换电路，其根据检测到的旋转角度控制对电动机的驱动线圈施加激励电流。控制电路对转子旋转角度的检测结果进行计数，检测头部的位置，并产生头部的起始和停止控制信号，从而启动和停止正在进行的电流切换电路的切换控制。

2. 发明授权

US5029264A Recording apparatus 失效
标题翻译：记录装置
公开(公告)号：US5029264A
公开(公告)日：1991-07-02
申请号：US413473
申请日：1989-09-27
申请人： Noriaki Ito , Akira Torisawa , Masaaki Kakizaki
发明人： Noriaki Ito , Akira Torisawa , Masaaki Kakizaki
IPC分类号： B41J19/20
CPC分类号： B41J19/202 , Y10S400/903
摘要： The present invention provides a recording apparatus wherein recording is performed by reciprocably shifting a carriage on which a recording head is mounted by means of a stepping motor and which comprises a rotational position detection device for detecting a rotational position of a rotor of the stepping motor, and a control unit for performing a closed loop control for the change-over timing of excitation currents to coils of the stepping motor and for the driving speed of the stepping motor, on the basis of the detection signal from the rotational position detection device, and judges whether the initial drive of the stepping motor and the change-over timing are normal, through the control unit.
摘要翻译：本发明提供了一种记录装置，其中通过步进电机往复移动安装有记录头的托架来执行记录，该记录装置包括用于检测步进电机的转子的旋转位置的旋转位置检测装置，以及控制单元，其基于来自所述旋转位置检测装置的检测信号，对所述步进电动机的线圈和所述步进电动机的驱动速度进行励磁电流的转换定时的闭环控制，以及通过控制单元来判断步进电机的初始驱动和转换定时是否正常。

3. 发明授权

US4972109A Stepping motor 失效
标题翻译：步进电机
公开(公告)号：US4972109A
公开(公告)日：1990-11-20
申请号：US281393
申请日：1988-12-08
申请人： Masaaki Kakizaki , Akira Torisawa , Noriaki Ito
发明人： Masaaki Kakizaki , Akira Torisawa , Noriaki Ito
IPC分类号： H02K37/14
CPC分类号： H02K37/14
摘要： A stepping motor comprising a rotor having magnetic poles on the peripheral surface thereof at a predetermined pitch, first and second stator yoke units each having pole teeth at the predetermined pitch and disposed with deviation of 1/4 pitch therebetween relative to the rotor, and a coil for exciting the first and second stator yoke units, characterized by means for adjusting the phase deviation between the first and second stator yoke units.
摘要翻译：一种步进电动机，其特征在于，具有以规定间隔在其周面上具有磁极的转子，第一和第二定子线圈单元，各自具有预定间距的极齿，相对于转子偏移1/4倍，线圈，用于激励第一和第二定子磁轭单元，其特征在于用于调节第一和第二定子磁轭单元之间的相位偏差的装置。

4. 发明授权

US4963808A Motor control apparatus 失效
标题翻译：电机控制装置
公开(公告)号：US4963808A
公开(公告)日：1990-10-16
申请号：US401483
申请日：1989-08-30
申请人： Akira Torisawa , Noriaki Itou , Masaaki Kakizaki , Hiroshi Kato , Shigeru Okamura
发明人： Akira Torisawa , Noriaki Itou , Masaaki Kakizaki , Hiroshi Kato , Shigeru Okamura
IPC分类号： H02K29/08 , H02P6/16 , H02P8/14
CPC分类号： H02K29/08 , H02P6/16 , H02P8/14
摘要： A motor control apparatus disclosed in this invention counts output signals from an encoder upon rotation of a rotor, and performs energization switching of a motor coil when the count value has reached a predetermined value.

5. 发明授权

US5097189A Recording apparatus 失效
标题翻译：记录装置
公开(公告)号：US5097189A
公开(公告)日：1992-03-17
申请号：US551796
申请日：1990-07-12
申请人： Noriaki Ito , Akira Torisawa
发明人： Noriaki Ito , Akira Torisawa
IPC分类号： B41J19/30 , B41J19/20 , B41J29/38
CPC分类号： B41J29/38 , B41J19/202 , Y10S400/903
摘要： A recording apparatus in which a stepping motor is used as a driving source to reciprocate a carriage on which a recording head is mounted and recording is executed by the recording head in accordance with the timing when the stepping motor rotates. The apparatus includes a rotational position detector to detect a rotational position of the stepping motor; a current switching circuit to switch energization currents to the stepping motor on the basis of a detection signal from the rotational position detector; a motor speed control circuit to closed loop control a rotational speed of the stepping motor through the current switching circuit; and a controller for detecting a load corresponding to the stepping motor by a speed control output from the motor speed control circuit and for controlling the motor so as to change output torque of the stepping motor in accordance with the load.
摘要翻译：一种记录装置，其中使用步进电机作为驱动源，使其上安装有记录头的滑架往复运动，并且记录头根据步进电机旋转的时间执行。该装置包括用于检测步进马达的旋转位置的旋转位置检测器; 电流切换电路，用于根据来自旋转位置检测器的检测信号切换到步进电机的通电电流; 电动机速度控制电路闭环控制步进电机通过电流开关电路的转速; 以及控制器，用于通过从电动机速度控制电路输出的速度控制来检测与步进电动机相对应的负载，并且用于控制电动机，以便根据负载改变步进电动机的输出转矩。

6. 发明授权

US5075609A Recording apparatus 失效
公开(公告)号：US5075609A
公开(公告)日：1991-12-24
申请号：US531444
申请日：1990-05-31
申请人： Noriaki Ito , Akira Torisawa
发明人： Noriaki Ito , Akira Torisawa
IPC分类号： B41J19/30 , B41J19/20 , H02P8/14 , H04N1/053 , H04N1/12 , H04N1/191
CPC分类号： H04N1/053 , B41J19/202 , H02P8/14 , H04N1/12 , H04N1/1911 , H04N2201/0471 , H04N2201/04755 , Y10S400/903
摘要： A recording apparatus in which the movement of a recording head for recording scanning is effected includes a carriage carrying the recording head thereon, a step motor for moving the carriage, a linear encoder for detecting the amount of movement of the carriage, the linear encoder being installed over the movement range of the carriage and generating pulse signals in conformity with the amount of movement of the carriage, a controller for counting the pulse signals from the linear encoder and outputting a control signal for the starting and stoppage of the carriage in conformity with the count value, and current switch-over device for switching over and controlling an energization current supplied to the coil of the step motor in conformity with the pulse signals from the linear encoder. The current switch-over device starts the switch-over control of the energization current by an energization control signal from the controller, and stops the switch-over control of the energization current by a stop control signal.

7. 发明授权

US06459721B1 Spread spectrum receiving apparatus 失效
标题翻译：扩频接收装置
公开(公告)号：US06459721B1
公开(公告)日：2002-10-01
申请号：US09182004
申请日：1998-10-29
申请人： Norihiro Mochizuki , Katsuo Saito , Akira Torisawa , Toshihiko Myojo , Ichiro Kato , Tetsuo Kanda , Atsushi Takasaki , Kazuo Moritomo , Rie Suzuki
发明人： Norihiro Mochizuki , Katsuo Saito , Akira Torisawa , Toshihiko Myojo , Ichiro Kato , Tetsuo Kanda , Atsushi Takasaki , Kazuo Moritomo , Rie Suzuki
IPC分类号： H04B1500
CPC分类号： H04B1/707
摘要： A receiving apparatus includes a base-band conversion circuit, a synchronizing circuit/code generator and a demodulator. The base-band conversion circuit converts a received signal into a base-band signal. The synchronizing circuit/code generator detects a spread code included in the received signal to generate a plurality of spread codes in synchronization with the spread code included in the received signal. The demodulator uses the plurality of spread codes supplied by the synchronizing circuit/code generator to demodulate the base-band signal.
摘要翻译：接收装置包括基带转换电路，同步电路/码发生器和解调器。基带转换电路将接收的信号转换为基带信号。同步电路/码发生器检测包括在接收信号中的扩展码，以与包括在接收信号中的扩展码同步地产生多个扩展码。解调器使用由同步电路/码发生器提供的多个扩展码来解调基带信号。

8. 发明授权

US5638191A Image forming apparatus 失效
标题翻译：图像形成装置
公开(公告)号：US5638191A
公开(公告)日：1997-06-10
申请号：US618088
申请日：1996-03-19
申请人： Akira Torisawa , Eihiro Sakaki , Fumihiro Ueno
发明人： Akira Torisawa , Eihiro Sakaki , Fumihiro Ueno
IPC分类号： H04N1/50 , H04N1/46 , H04N1/04
CPC分类号： H04N1/508
摘要： An image forming apparatus includes a scan unit for scanning a light beam modulated based on an image signal in the main scan direction, and a drive unit for rotating an image carrier in the subscan direction of an image. The rotation period of the image carrier is set to be an integer multiple of the scan period in the main scan direction of the light beam by the scan unit.
摘要翻译：图像形成装置包括：扫描单元，用于扫描基于主扫描方向上的图像信号调制的光束;以及驱动单元，用于使图像的副扫描方向上的图像载体旋转。图像载体的旋转周期被设置为扫描单元在光束的主扫描方向上的扫描周期的整数倍。

9. 发明授权

US4794292A Stepping motor with divided stator pole pieces 失效
标题翻译：步进电机分段定子极片
公开(公告)号：US4794292A
公开(公告)日：1988-12-27
申请号：US73970
申请日：1987-07-15
申请人： Akira Torisawa
发明人： Akira Torisawa
IPC分类号： H02K37/14 , H02K37/16 , H02K19/02 , H02K21/14
CPC分类号： H02K37/16 , H02K37/14
摘要： A stepping motor with a rotor having magnetic poles arranged at a constant pitch along the periphery, first and second stator sets each having stator poles at a constant pitch and arranged at a mutual offset of 1/4 pitch with respect to the rotor, and coils for magnetizing the first and second stator sets, wherein each stator pole is provided with a magnetic polarity and is practically divided, at least on a face directed to the rotor, into plural areas, so as to form an area of a high magnetic reluctance at the center.
摘要翻译：一种具有转子的步进电动机，其具有沿着周向以恒定间距排列的磁极，第一和第二定子组各自具有恒定间距的定子极并且相对于转子以1/4节距相互偏移地布置，并且线圈用于使所述第一和第二定子组磁化，其中每个定子极设置有磁极性，并且至少在面向所述转子的面上实际上划分成多个区域，以形成高磁阻区域中心。

10. 发明授权

US4209971A Electronic timepiece 失效
标题翻译：电子钟表
公开(公告)号：US4209971A
公开(公告)日：1980-07-01
申请号：US898535
申请日：1978-04-20
申请人： Makoto Ueda , Masaharu Shida , Akira Torisawa
发明人： Makoto Ueda , Masaharu Shida , Akira Torisawa
IPC分类号： G04C3/14 , H02P8/00 , H02P8/02 , G04C3/00
CPC分类号： G04C3/143
摘要： An electronic timepiece comprises a detection circuit provided with a resistance element which discriminates rotation and non-rotation of a stepping motor by variation of an oscillating circuit, a dividing circuit, a pulse composing circuit, a stepping motor driving circuit, a two phase driving system stepping motor and an inductance, wherein said resistance element is directly connected across a coil output of the stepping motor within an integrated circuit.
摘要翻译：电子钟表包括检测电路，该检测电路具有通过振荡电路的变化来区分步进电机的旋转和不旋转的电阻元件，分频电路，脉冲构成电路，步进电机驱动电路，双相驱动系统步进电机和电感，其中所述电阻元件在集成电路内直接连接在步进电机的线圈输出端。

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