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    • 31. 发明申请
    • Reference voltage generating circuit
    • 参考电压发生电路
    • US20090002048A1
    • 2009-01-01
    • US12230489
    • 2008-08-29
    • Hiroki FujisawaMasayuki NakamuraHitoshi Tanaka
    • Hiroki FujisawaMasayuki NakamuraHitoshi Tanaka
    • H03L5/00
    • G05F3/30
    • Disclosed is a reference voltage generating circuit which includes resistors R0, R0 and R3, a differential amplifier A1 and transistors Q1, Q2 and Q3. The collectors of the transistors Q1 and Q2 are connected to differential input terminals of the differential amplifier, while one ends of the R0, R0 and R3 are connected in common to an output of the differential amplifier A1. The other ends of the two resistors R0 are connected in common to the collectors of the transistors Q1 and Q2, while the other end of the resistor R1 is connected to the collector and the base of the transistor Q3, which transistor Q3 has the base connected to the bases of the transistors Q1 and Q2. The emitter size ratio of the transistors Q1 and Q2 is set to 1:N. A current of a value approximately equal to that of the collector current of the transistor Q1 or Q2 and a current with a positive temperature coefficient larger than the first-stated current are caused to flow through the resistor R1. The reference voltage generating circuit outputs a voltage corresponding to the sum of a voltage generated across both ends of the resistor R1 and a base-to-emitter voltage VBE3 of the transistor Q3.
    • 公开了一种参考电压产生电路,其包括电阻器R0,R0和R3,差分放大器A1和晶体管Q1,Q2和Q3。 晶体管Q1和Q2的集电极连接到差分放大器的差分输入端,而R0,R0和R3的一端共同连接到差分放大器A1的输出端。 两个电阻R0的另一端共同连接到晶体管Q1和Q2的集电极,而电阻器R1的另一端连接到晶体管Q3的集电极和基极,晶体管Q3的基极连接 到晶体管Q1和Q2的基极。 晶体管Q1和Q2的发射极尺寸比设定为1:N。 导致大致等于晶体管Q1或Q2的集电极电流的值的电流和大于先前电流的正温度系数的电流流过电阻器R1。 参考电压产生电路输出与电阻器R1两端产生的电压和晶体管Q3的基极 - 发射极电压VBE3之和的和相对应的电压。
    • 35. 发明授权
    • Reference voltage generating circuit
    • 基准电压发生电路
    • US07750726B2
    • 2010-07-06
    • US12230489
    • 2008-08-29
    • Hiroki FujisawaMasayuki NakamuraHitoshi Tanaka
    • Hiroki FujisawaMasayuki NakamuraHitoshi Tanaka
    • G05F3/02G05F1/10
    • G05F3/30
    • A reference voltage generating circuit includes a current generating section, a voltage generating section, a voltage dividing circuit, and a synthesis section. The current generating section generates a first current having a positive temperature coefficient. The voltage generating section generates a voltage having a negative temperature coefficient. The voltage dividing circuit divides the voltage of the negative temperature coefficient, generated by the voltage generating section. The synthesis section generates a voltage which is the sum of a terminal voltage obtained on causing the first current through a resistor and a voltage obtained on dividing the voltage having the negative temperature coefficient by the voltage dividing circuit, and outputs the sum voltage generated as a reference voltage.
    • 参考电压产生电路包括电流产生部分,电压产生部分,分压电路和合成部分。 电流产生部分产生具有正温度系数的第一电流。 电压产生部分产生具有负温度系数的电压。 分压电路分压由电压产生部产生的负温度系数的电压。 合成部分产生电压,该电压是通过使通过电阻器的第一电流获得的端电压与通过分压电路分压具有负温度系数的电压获得的电压之和,并输出产生的和电压 参考电压。
    • 36. 发明申请
    • Reference voltage generating circuit
    • 参考电压发生电路
    • US20070132506A1
    • 2007-06-14
    • US11603121
    • 2006-11-22
    • Hiroki FujisawaMasayuki NakamuraHitoshi Tanaka
    • Hiroki FujisawaMasayuki NakamuraHitoshi Tanaka
    • G05F1/10
    • G05F3/30
    • Disclosed is a reference voltage generating circuit which includes resistors R0, R0 and R3, a differential amplifier A1 and transistors Q1, Q2 and Q3. The collectors of the transistors Q1 and Q2 are connected to differential input terminals of the differential amplifier, while one ends of the R0, R0 and R3 are connected in common to an output of the differential amplifier A1. The other ends of the two resistors R0 are connected in common to the collectors of the transistors Q1 and Q2, while the other end of the resistor R1 is connected to the collector and the base of the transistor Q3, which transistor Q3 has the base connected to the bases of the transistors Q1 and Q2. The emitter size ratio of the transistors Q1 and Q2 is set to 1:N. A current of a value approximately equal to that of the collector current of the transistor Q1 or Q2 and a current with a positive temperature coefficient larger than the first-stated current are caused to flow through the resistor R1. The reference voltage generating circuit outputs a voltage corresponding to the sum of a voltage generated across both ends of the resistor R1 and a base-to-emitter voltage VBE3 of the transistor Q3.
    • 公开了一种参考电压发生电路,其包括电阻器R 0,R 0和R 3,差分放大器A 1和晶体管Q 1,Q 2和Q 3。 晶体管Q 1和Q 2的集电极连接到差分放大器的差分输入端,而R 0,R 0和R 3的一端共同连接到差分放大器A 1的输出端。 两个电阻R 0的另一端共同连接到晶体管Q 1和Q 2的集电极,而电阻器R 1的另一端连接到晶体管Q 3的集电极和基极,该晶体管Q 3 Q 3的基极连接到晶体管Q 1和Q 2的基极。 晶体管Q 1和Q 2的发射极尺寸比被设定为1:N。 导致大致等于晶体管Q 1或Q 2的集电极电流的值的电流和具有大于第一电流的正温度系数的电流流过电阻器R 1。 参考电压产生电路输出与电阻器R 1的两端产生的电压和晶体管Q 3的基极 - 发射极电压V BE3 / N之和的和相对应的电压。
    • 37. 发明授权
    • Line plotting method
    • 线绘图法
    • US09129437B2
    • 2015-09-08
    • US12428212
    • 2009-04-22
    • Kouji NishikawaMakoto AdachiMasayuki NakamuraMotonobu MamiyaKae Yamashita
    • Kouji NishikawaMakoto AdachiMasayuki NakamuraMotonobu MamiyaKae Yamashita
    • G06T11/20
    • G06T11/203
    • A line plotting method for plotting lines whose coordinates are given on a display screen on which pixels are arranged according to a prescribed rule, the method includes correcting coordinates at the end point of a line on the basis of which the end point is a starting point or an ending point or whether the end point is inside a prescribed frame determining whether a direction from a starting point of a line after correction toward its ending point horizontally or vertically is the same as a direction from a starting point before correction of a line toward its ending point determining whether integer values of the coordinates of starting and ending points after correction are the same when directions from starting points after and before correction of a line toward their ending points are not matched.
    • 一种线绘制方法,用于绘制在根据规定的规则排列像素的显示屏上给出其坐标的线,该方法包括校正终点处的起点处的线的终点处的坐标 或者终点是否在规定的帧内,确定从校正后的线的起点到水平或垂直的终点的方向是否与从线的校正前的起点的方向相同 其终点确定校正后的开始点和结束点的坐标的整数值是否相同,当从线路朝向其终点的校正之前和之后的起始点的方向不匹配时。