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公开(公告)号：US08541996B2
公开(公告)日：2013-09-24
申请号：US12778812
申请日：2010-05-12
申请人： Toshihiko Kasai , Hidenobu Ito
发明人： Toshihiko Kasai , Hidenobu Ito
CPC分类号： H02M3/1588 , H02M2001/0025 , H02M2001/0032 , Y02B70/1466 , Y02B70/16
摘要： A power control device for performing switching control for an output voltage of a power supply device includes a signal generation circuit for comparing a difference between a value of the output voltage and a value of a first reference voltage with a value of a second reference voltage, and for stopping the switching control when a value of the difference is less than or equal to the value of the second reference voltage, and an adjuster circuit for adjusting the second reference voltage based on a ratio between a value of an input voltage and the value of the output voltage.
摘要翻译： 用于对电源装置的输出电压执行开关控制的功率控制装置包括信号产生电路，用于将输出电压的值和第一参考电压的值与第二参考电压的值进行比较， 并且当所述差的值小于或等于所述第二参考电压的值时停止所述开关控制;以及调节器电路，用于基于输入电压的值和所述值之间的比率来调整所述第二参考电压 的输出电压。
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公开(公告)号：US07081792B2
公开(公告)日：2006-07-25
申请号：US10811431
申请日：2004-03-29
IPC分类号： H03F1/02
CPC分类号： H03F3/45753 , G09G3/3688
摘要： An operational amplifier capable of offset cancel in a shorter period, as well as a line driver capable of shortening one horizontal period and a liquid crystal display device are provided. In the operational amplifier of the invention, a time necessary for feed back control can be shortened than usual by a constitution that an output voltage VO in one horizontal period H1 which is one horizontal period before is defined as a reference voltage in an offset cancel preparatory period HC2, thereby changing the output voltage VO(2) only by the offset voltage VO(2) by the feed back control. In the line driver of the invention, the operational amplifier not used for the output of display data D1 to D6 conducts offset cancel operation and it is successively shifted on every one horizontal period. Since it is no more necessary to incorporate the offset cancel preparatory period in the output period, one horizontal period can be shortened further.
摘要翻译： 提供能够在较短时间内抵消抵消的运算放大器以及能够缩短一个水平周期的线路驱动器和液晶显示装置。 在本发明的运算放大器中，通过将一个水平周期的一个水平周期H 1的输出电压VO定义为偏移消除中的基准电压的结构，可以缩短反馈控制所需的时间 准备期间HC 2，从而仅通过反馈控制将偏置电压VO（2）改变输出电压VO（2）。 在本发明的线驱动器中，未用于显示数据D 1至D 6的输出的运算放大器进行偏移消除操作，并且在每一个水平周期上依次移位。 由于不需要在偏移消除准备期间中包含输出期间，所以可以进一步缩短一个水平周期。
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3.发明授权Power supply circuit, overcurrent protection circuit for the same, and electronic device 有权电源电路，过流保护电路相同，电子设备公开(公告)号：US08233257B2
公开(公告)日：2012-07-31
申请号：US12369907
申请日：2009-02-12
IPC分类号： H02H9/08
CPC分类号： G05F1/573 , H03K17/0822
摘要： A power supply circuit includes an output transistor including a source coupled to power supply voltage, and a drain from which output voltage is outputted; a first error amplifier powered by the power supply voltage and outputting a signal based on a potential difference between the output voltage and a reference voltage; a buffer transistor including a gate coupled to the output of the first error amplifier, and a source coupled via a constant current source to the power supply voltage and coupled to a gate of the output transistor; a current detection transistor coupled to the output transistor such that a gate and source are shared; and an overcurrent protection circuit configured to limit the drain current of the buffer transistor based on the increase of the drain current of the current detection transistor and thereby control the output current of the output transistor.
摘要翻译： 电源电路包括：输出晶体管，其包括耦合到电源电压的源极和从其输出输出电压的漏极; 由所述电源电压供电的第一误差放大器，并且基于所述输出电压和参考电压之间的电位差输出信号; 缓冲晶体管，其包括耦合到所述第一误差放大器的输出的栅极，以及经由恒定电流源耦合到所述电源电压并耦合到所述输出晶体管的栅极的源极; 耦合到输出晶体管的电流检测晶体管，使得门和源被共享; 以及过电流保护电路，其被配置为基于电流检测晶体管的漏极电流的增加来限制缓冲晶体管的漏极电流，从而控制输出晶体管的输出电流。
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4.发明授权DC-DC converter with step-up and step-down control capable of varying the offset voltage of the PWM triangle 有权具有升压和降压控制的DC-DC转换器，能够改变PWM三角形的偏移电压公开(公告)号：US07443147B2
公开(公告)日：2008-10-28
申请号：US11131245
申请日：2005-05-18
申请人： Toshihiko Kasai , Yoshihiro Kizaki , Hidenobu Ito
发明人： Toshihiko Kasai , Yoshihiro Kizaki , Hidenobu Ito
CPC分类号： H02M3/1582 , H02M2001/0025
摘要： When both step-up PWM control and step-down PWM controls are executed, the offset of the ON/OFF switching timing for step-up PWM control and/or the offset of ON/OFF switching timing for step-down PWM control are changed to become identical. By synchronizing ON/OFF switching timing for step-up PWM control and ON/OFF switching timing for step-down PWM control, the loss on switching can be reduced.
摘要翻译： 当执行升压PWM控制和降压PWM控制时，升压PWM控制的ON / OFF开关定时偏移量和/或降压PWM控制的ON / OFF开关时序偏移量都会发生变化 变得相同。 通过同步升压PWM控制的ON / OFF开关定时和降压PWM控制的ON / OFF切换定时，可以减少开关损耗。
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5.发明申请DC-DC converter, DC-DC converter control apparatus, power supply apparatus, electronic equipment and control method for DC-DC converter 有权DC-DC转换器，DC-DC转换器控制装置，电源装置，DC-DC转换器的电子设备及控制方法公开(公告)号：US20060198170A1
公开(公告)日：2006-09-07
申请号：US11131245
申请日：2005-05-18
申请人： Toshihiko Kasai , Yoshihiro Kizaki , Hidenobu Ito
发明人： Toshihiko Kasai , Yoshihiro Kizaki , Hidenobu Ito
IPC分类号： H02M1/12
CPC分类号： H02M3/1582 , H02M2001/0025
摘要： When both of step-up PWM control and step-down PWM control are executed, offset of ON/OFF switching timing for step-up PWM control and/or offset of ON/OFF switching timing for step-down PWM control is changed so that the offset of ON/OFF switching timing for step-up PWM control and the offset of ON/OFF switching timing for step-down PWM control become identical. By synchronizing ON/OFF switching timing for step-up PWM control and ON/OFF switching timing for step-down PWM control, the loss on switching can be reduced.
摘要翻译： 当执行升压PWM控制和降压PWM控制时，升压PWM控制的升压PWM控制的ON / OFF开关定时偏移和/或降压PWM控制的ON / OFF开关定时偏移改变，使得 升压PWM控制的ON / OFF切换定时的偏移和降压PWM控制的ON / OFF切换时序的偏移变得相同。 通过同步升压PWM控制的ON / OFF开关定时和降压PWM控制的ON / OFF切换定时，可以减少开关损耗。
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公开(公告)号：US20050077957A1
公开(公告)日：2005-04-14
申请号：US10811431
申请日：2004-03-29
CPC分类号： H03F3/45753 , G09G3/3688
摘要： An operational amplifier capable of offset cancel in a shorter period, as well as a line driver capable of shortening one horizontal period and a liquid crystal display device are provided. In the operational amplifier of the invention, a time necessary for feed back control can be shortened than usual by a constitution that an output voltage VO in one horizontal period H1 which is one horizontal period before is defined as a reference voltage in an offset cancel preparatory period HC2, thereby changing the output voltage VO(2) only by the offset voltage VO(2) by the feed back control. In the line driver of the invention, the operational amplifier not used for the output of display data D1 to D6 conducts offset cancel operation and it is successively shifted on every one horizontal period. Since it is no more necessary to incorporate the offset cancel preparatory period in the output period, one horizontal period can be shortened further.
摘要翻译： 提供能够在较短时间内抵消抵消的运算放大器以及能够缩短一个水平周期的线路驱动器和液晶显示装置。 在本发明的运算放大器中，通过将一个水平周期的一个水平周期H1的输出电压VO定义为偏移消除准备中的基准电压的结构，可以缩短反馈控制所需的时间 从而通过反馈控制仅偏移电压VO（2）来改变输出电压VO（2）。 在本发明的线路驱动器中，未用于显示数据D1至D6的输出的运算放大器进行偏移消除操作，并且每隔一个水平周期依次移位。 由于不需要在偏移消除准备期间中包含输出期间，所以可以进一步缩短一个水平周期。
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公开(公告)号：US07336124B2
公开(公告)日：2008-02-26
申请号：US11448669
申请日：2006-06-08
IPC分类号： H03F1/02
CPC分类号： H03F3/45753 , G09G3/3688
摘要： An operational amplifier capable of offset cancel in a shorter period, as well as a line driver capable of shortening one horizontal period and a liquid crystal display device are provided. In the operational amplifier of the invention, a time necessary for feed back control can be shortened than usual by a constitution that an output voltage VO in one horizontal period H1 which is one horizontal period before is defined as a reference voltage in an offset cancel preparatory period HC2, thereby changing the output voltage VO(2) only by the offset voltage VO(2) by the feed back control. In the line driver of the invention, the operational amplifier not used for the output of display data D1 to D6 conducts offset cancel operation and it is successively shifted on every one horizontal period. Since it is no more necessary to incorporate the offset cancel preparatory period in the output period, one horizontal period can be shortened further.
摘要翻译： 提供能够在较短时间内抵消抵消的运算放大器以及能够缩短一个水平周期的线路驱动器和液晶显示装置。 在本发明的运算放大器中，通过将一个水平周期的一个水平周期H 1的输出电压VO定义为偏移消除中的基准电压的结构，可以缩短反馈控制所需的时间 准备期间HC 2，从而仅通过反馈控制将偏置电压VO（2）改变输出电压VO（2）。 在本发明的线驱动器中，未用于显示数据D 1至D 6的输出的运算放大器进行偏移消除操作，并且在每一个水平周期上依次移位。 由于不需要在偏移消除准备期间中包含输出期间，所以可以进一步缩短一个水平周期。
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公开(公告)号：US20050282677A1
公开(公告)日：2005-12-22
申请号：US11214166
申请日：2005-08-29
申请人： Masahiro Saito , Kunihiro Osawa , Toshihiko Kasai
发明人： Masahiro Saito , Kunihiro Osawa , Toshihiko Kasai
CPC分类号： F16H57/0483 , F16H48/08 , F16H48/40 , F16H57/0482 , F16H2048/085 , F16H2048/387
摘要： A differential capable of satisfying a demand for an improvement in performance and a reduction in cost in which the pinion shaft 19 is movably disposed in the differential case 2, and sliding bearings 16, 41, 42 are disposed between mutually opposite surfaces of the pair of side gears 13 and the differential case 2 and between mutually opposite surfaces of the pinions 12 and the differential case 2, respectively.
摘要翻译： 能够满足对性能的提高的需求的差速器和小齿轮轴19可移动地设置在差速器壳体2中的成本降低，并且滑动轴承16,41,42设置在该对的相互相对的表面之间 侧齿轮13和差速器壳体2以及小齿轮12和差速器壳体2的相互相对的表面之间。
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公开(公告)号：US08203817B2
公开(公告)日：2012-06-19
申请号：US12369907
申请日：2009-02-12
IPC分类号： H02H9/08
摘要： A power supply circuit includes an output transistor including a source coupled to power supply voltage, and a drain from which output voltage is outputted; a first error amplifier powered by the power supply voltage and outputting a signal based on a potential difference between the output voltage and a reference voltage; a buffer transistor including a gate coupled to the output of the first error amplifier, and a source coupled via a constant current source to the power supply voltage and coupled to a gate of the output transistor; a current detection transistor coupled to the output transistor such that a gate and source are shared; and an overcurrent protection circuit configured to limit the drain current of the buffer transistor based on the increase of the drain current of the current detection transistor and thereby control the output current of the output transistor.
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公开(公告)号：US20100289471A1
公开(公告)日：2010-11-18
申请号：US12778812
申请日：2010-05-12
申请人： Toshihiko KASAI , Hidenobu Ito
发明人： Toshihiko KASAI , Hidenobu Ito
IPC分类号： G05F1/10
CPC分类号： H02M3/1588 , H02M2001/0025 , H02M2001/0032 , Y02B70/1466 , Y02B70/16
摘要： A power control device for performing switching control for an output voltage of a power supply device includes a signal generation circuit for comparing a difference between a value of the output voltage and a value of a first reference voltage with a value of a second reference voltage, and for stopping the switching control when a value of the difference is less than or equal to the value of the second reference voltage, and an adjuster circuit for adjusting the second reference voltage based on a ratio between a value of an input voltage and the value of the output voltage.
摘要翻译： 用于对电源装置的输出电压执行开关控制的功率控制装置包括信号产生电路，用于将输出电压的值和第一参考电压的值与第二参考电压的值进行比较， 并且当所述差的值小于或等于所述第二参考电压的值时停止所述开关控制;以及调节器电路，用于基于输入电压的值和所述值之间的比率来调整所述第二参考电压 的输出电压。
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