公开(公告)号：US20120013383A1

公开(公告)日：2012-01-19

申请号：US13170344

申请日：2011-06-28

申请人： Takaaki Negoro ,  Shinichi Kubota ,  Koichi Morino

发明人： Takaaki Negoro ,  Shinichi Kubota ,  Koichi Morino

IPC分类号： H03L5/00

CPC分类号： H02H9/04

摘要： A voltage clamp circuit includes a power supply, a first element connected with the power supply to output a constant current, a third element configured to allow a current to pass through when a voltage of a predetermined value or more is applied; and a second element configured to output a voltage according to a voltage generated by the first and third elements.

摘要翻译： 电压钳位电路包括电源，与电源连接以输出恒定电流的第一元件，被配置为当施加预定值以上的电压时允许电流通过的第三元件; 以及第二元件，被配置为根据由第一和第三元件产生的电压输出电压。

公开(公告)号：US07609735B2

公开(公告)日：2009-10-27

申请号：US12013548

申请日：2008-01-14

申请人： Shinichi Kubota

发明人： Shinichi Kubota

IPC分类号： H01S3/00

CPC分类号： H01S5/042 ,  H01S5/06808

摘要： A laser diode driving circuit capable of providing a suitable output current to a laser diode is disclosed. The laser diode driving circuit includes a current supply, a first pseudo laser diode, a second pseudo laser diode, and an output current mirror circuit. An input current provided by the current supply is output through the output current mirror circuit to the laser diode. By making the characteristic of each of the first and second pseudo laser diodes substantially equal to the characteristic of the laser diode, the non-linearity between the input current and the output current is compensated.

摘要翻译： 公开了一种能够向激光二极管提供合适的输出电流的激光二极管驱动电路。 激光二极管驱动电路包括电流源，第一伪激光二极管，第二伪激光二极管和输出电流镜电路。 由电流源提供的输入电流通过输出电流镜电路输出到激光二极管。 通过使第一和第二伪激光二极管的每一个的特性基本上等于激光二极管的特性，补偿输入电流与输出电流之间的非线性。

公开(公告)号：US07336687B2

公开(公告)日：2008-02-26

申请号：US11069722

申请日：2005-03-01

申请人： Shinichi Kubota

发明人： Shinichi Kubota

IPC分类号： H01S3/00

CPC分类号： H01S5/042 ,  H01S5/06808

摘要： A laser diode driving circuit capable of providing a suitable output current to a laser diode is disclosed. The laser diode driving circuit includes a current supply, a first pseudo laser diode, a second pseudo laser diode, and an output current mirror circuit. An input current provided by the current supply is output through the output current mirror circuit to the laser diode. By making the characteristic of each of the first and second pseudo laser diodes substantially equal to the characteristic of the laser diode, the non-linearity between the input current and the output current is compensated.

摘要翻译： 公开了一种能够向激光二极管提供合适的输出电流的激光二极管驱动电路。 激光二极管驱动电路包括电流源，第一伪激光二极管，第二伪激光二极管和输出电流镜电路。 由电流源提供的输入电流通过输出电流镜电路输出到激光二极管。 通过使第一和第二伪激光二极管的每一个的特性基本上等于激光二极管的特性，补偿输入电流与输出电流之间的非线性。

公开(公告)号：US20050195869A1

公开(公告)日：2005-09-08

申请号：US11069722

申请日：2005-03-01

申请人： Shinichi Kubota

发明人： Shinichi Kubota

IPC分类号： H01S5/068 ,  H01S3/00 ,  H01S5/042 ,  H01S5/062 ,  H01S5/065

CPC分类号： H01S5/042 ,  H01S5/06808

摘要： A laser diode driving circuit capable of providing a suitable output current to a laser diode is disclosed. The laser diode driving circuit includes a current supply, a first pseudo laser diode, a second pseudo laser diode, and an output current mirror circuit. An input current provided by the current supply is output through the output current mirror circuit to the laser diode. By making the characteristic of each of the first and second pseudo laser diodes substantially equal to the characteristic of the laser diode, the non-linearity between the input current and the output current is compensated.

摘要翻译： 公开了一种能够向激光二极管提供合适的输出电流的激光二极管驱动电路。 激光二极管驱动电路包括电流源，第一伪激光二极管，第二伪激光二极管和输出电流镜电路。 由电流源提供的输入电流通过输出电流镜电路输出到激光二极管。 通过使第一和第二伪激光二极管的每一个的特性基本上等于激光二极管的特性，补偿输入电流与输出电流之间的非线性。

公开(公告)号：US06555403B1

公开(公告)日：2003-04-29

申请号：US09124895

申请日：1998-07-30

申请人： Kay Domen ,  Shinichi Kubota ,  Akito Kuramata ,  Reiko Soejima

发明人： Kay Domen ,  Shinichi Kubota ,  Akito Kuramata ,  Reiko Soejima

IPC分类号： H01L2100

CPC分类号： H01S5/34333 ,  B82Y20/00 ,  H01S5/2004 ,  H01S5/2009 ,  H01S5/2031

摘要： There are provided a semiconductor laser, a semiconductor light emitting device, and methods of manufacturing the same wherein a threshold current density in a short wavelength semiconductor laser using a nitride compound semiconductor can be reduced. An active layer is composed of a single gain layer having a thickness of more than 3 nm, and optical guiding layers are provided between the active layer and cladding layers respectively.

摘要翻译： 提供半导体激光器，半导体发光器件及其制造方法，其中可以减少使用氮化物化合物半导体的短波长半导体激光器中的阈值电流密度。 有源层由厚度大于3nm的单个增益层组成，并且在有源层和包层之间分别设置光导层。

公开(公告)号：US5633624A

公开(公告)日：1997-05-27

申请号：US462907

申请日：1995-06-05

申请人： Susumu Maeda ,  Eiji Mutoh ,  Shinichi Kubota

发明人： Susumu Maeda ,  Eiji Mutoh ,  Shinichi Kubota

IPC分类号： B60R25/04 ,  B60R25/10

CPC分类号： B60R25/04

摘要： Ribs 9'a to 9'd provided in a connector 50b on the terminal device side are coincident with grooves 8'a to 8'd provided in a connector 40b on the ECU 30b side, but are not coincident with grooves 8a to 8d provided in a connector 40a in position, size and shape. Even if the connector 40b of the ECU 30b without the immobilizer CPU 13 is attempted to be engaged the connector 50a which should originally be connected to the ECU 30a with the immobilizer CPU 13, it cannot be engaged or right electrical connections between input/output terminals in the ECU 30a and corresponding terminal devices cannot be achieved. Accordingly, the theft of the vehicle by replacing the ECU 30a with the ECU 30b is prevented.

摘要翻译： 设置在终端装置侧的连接器50b中的肋9'a至9'd与设置在ECU 30b侧的连接器40b中的槽8'a至8'd重合，但与设置的槽8a至8d不重合 在连接器40a的位置，尺寸和形状上。 即使没有固定装置CPU13的ECU30b的连接器40b被试图与防盗装置CPU13最初连接到ECU 30a的连接器50a接合，也不能接合输入/输出端子之间的右电连接 在ECU30a和对应的终端装置中不能实现。 因此，防止通过用ECU 30b更换ECU 30a来盗窃车辆。

公开(公告)号：US5517151A

公开(公告)日：1996-05-14

申请号：US248671

申请日：1994-05-25

申请人： Shinichi Kubota

发明人： Shinichi Kubota

IPC分类号： B41J2/44 ,  B41J2/45 ,  B41J2/455 ,  G06K15/12 ,  H04N1/23 ,  H04N1/401 ,  H01L31/00 ,  G01D9/42 ,  H01H37/76 ,  H01J40/14

CPC分类号： G06K15/1247 ,  B41J2/45 ,  G06K15/1242 ,  H04N1/4015

摘要： An intensity controlling circuit device can correct variation in intensity of light beams, due to tolerance occurred in each of a plurality of LED-array chips, emitted by LEDs provided in each of the LED-array chips. The intensity controlling circuit device is connected to at least one LED-array chip comprising a plurality of LEDs and slave transistors corresponding to each of the LEDs. The intensity controlling circuit device comprises an intensity controlling circuit connected to the respective LED-array chip. The intensity controlling circuit comprises a first transistor provided between a power source and a constant current generating unit so as to supply a current to the LED-array chip, and an intensity adjusting unit having a second transistor connected to the first transistor in parallel and a controlling unit for controlling the on/off state of the second transistor. An output of the intensity controlling circuit is connected to each of the slave transistors provided in the LED-array chip, and the second transistor is turned on/off by the controlling unit so that a current flowing in each of the LEDs is adjusted to a predetermined value.

摘要翻译： 强度控制电路装置可以通过在每个LED阵列芯片中设置的LED发射的多个LED阵列芯片中的每一个发生容差来校正光束的强度变化。 强度控制电路装置连接至至少一个LED阵列芯片，其包括与每个LED对应的多个LED和从属晶体管。 强度控制电路装置包括连接到各个LED阵列芯片的强度控制电路。 强度控制电路包括设置在电源和恒流发生单元之间以便向LED阵列芯片提供电流的第一晶体管，以及具有并联连接到第一晶体管的第二晶体管的强度调节单元， 控制单元，用于控制第二晶体管的开/关状态。 强度控制电路的输出端连接到设置在LED阵列芯片中的每个从属晶体管，并且第二晶体管由控制单元导通/截止，使得在每个LED中流动的电流被调整为 预定值。

公开(公告)号：US5199409A

公开(公告)日：1993-04-06

申请号：US878586

申请日：1992-05-05

申请人： Yukio Miyashita ,  Hiroshi Ohno ,  Shinichi Kubota

发明人： Yukio Miyashita ,  Hiroshi Ohno ,  Shinichi Kubota

IPC分类号： F02D41/14 ,  F02D45/00 ,  G01N27/419

CPC分类号： F02D41/1486 ,  F02D41/1477

摘要： A system for controlling an air/fuel ratio for an internal combustion engine, using an oxygen concentration sensor having a first chamber for introducing therein exhaust gas of the engine and a second chamber for introducing therein reference ambient air to detect oxygen content in the exhaust gas. In order to eliminate exhaust gas pulsation which could affect on detection accuracy, it is firstly determined if engine operation is in a transient state or in a normal state. Then the detected oxygen concentration value in the preceding cycle is added to the product obtained by multiplying the deviation between the values in the preceding and current cycles by a coefficient .alpha.. The coefficient is made different in the transient state and in the normal state. In the normal engine operation state, the coefficient .alpha. is determined from engine speed and load.

摘要翻译： 一种用于控制内燃机的空燃比的系统，其使用具有用于在其中引入发动机的排气的第一室的氧浓度传感器和用于在其中引入参考环境空气的第二室，以检测废气中的氧含量 。 为了消除可能影响检测精度的废气脉动，首先确定发动机运转是处于过渡状态还是处于正常状态。 然后，将前一周期中检测到的氧浓度值加到通过将前一周期和当前周期中的值之间的偏差乘以系数α而获得的乘积。 系数在过渡状态和正常状态下不同。 在正常发动机运转状态下，根据发动机转速和负荷确定系数α。

公开(公告)号：US20140079458A1

公开(公告)日：2014-03-20

申请号：US13974281

申请日：2013-08-23

申请人： Masami SETO ,  Kunihiro Tan ,  Shinichi Kubota ,  Yoshihiko Miki

发明人： Masami SETO ,  Kunihiro Tan ,  Shinichi Kubota ,  Yoshihiko Miki

IPC分类号： G03G15/00 ,  G01N19/10

CPC分类号： G03G21/203 ,  G01N19/10 ,  G03G15/55

摘要： A sheet material identification device includes a humidity adjuster, a detector, and a controller. The humidity adjuster adjusts the humidity of a sheet material by causing the sheet material to either release or absorb moisture. The detector detects the humidity of the sheet material before and after the adjustment of the humidity. The controller calculates a first difference in humidity of the sheet material before and after the adjustment of the humidity, and identifies the type of sheet material on the basis of the first difference.

摘要翻译： 片材识别装置包括湿度调节器，检测器和控制器。 湿度调节器通过使片材材料释放或吸收水分来调节片材的湿度。 检测器在调节湿度之前和之后检测片材的湿度。 控制器计算在调节湿度之前和之后的片材的湿度的第一差异，并且基于第一差异来识别片材的类型。

公开(公告)号：US07599416B2

公开(公告)日：2009-10-06

申请号：US12076518

申请日：2008-03-19

申请人： Shinichi Kubota

发明人： Shinichi Kubota

IPC分类号： H03K171/78

CPC分类号： H01S5/042

摘要： A disclosed laser diode driving circuit causes a laser diode to emit light by varying a current value of a current source in accordance with a control signal input externally and supplying a current that is the same as or proportional to the current value to the laser diode. The driving circuit includes correction circuitry for generating a reference forward voltage as a reference for the laser diode in accordance with a predetermined driving current for driving the laser diode, generating a forward voltage for the laser diode in accordance with the predetermined driving current, and correcting a current supplied to the laser diode so that the forward voltage becomes the same as the reference forward voltage.

摘要翻译： 所公开的激光二极管驱动电路使得激光二极管根据外部输入的控制信号改变电流源的电流值并向激光二极管提供与电流值相同或成比例的电流来发光。 驱动电路包括用于根据用于驱动激光二极管的预定驱动电流产生用于激光二极管的基准的参考正向电压的校正电路，根据预定的驱动电流产生用于激光二极管的正向电压，以及校正 提供给激光二极管的电流使得正向电压变得与参考正向电压相同。