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    • 1. 发明申请
    • ELECTROSTATIC CAPACITY TYPE TOUCH SENSOR
    • 静电容量式触摸传感器
    • US20110199105A1
    • 2011-08-18
    • US13029701
    • 2011-02-17
    • Takayasu OTAGAKIAtsuhiro IchikawaHiroya ItoKazuhiro Hasegawa
    • Takayasu OTAGAKIAtsuhiro IchikawaHiroya ItoKazuhiro Hasegawa
    • G01R27/26
    • G06F3/044G06F3/0418
    • This invention offers an electrostatic capacity type touch sensor that can be calibrated in a short period of time at a moment when a finger of operator or the like does not touch a touch pad. An absolute value of a difference (AD0−AD2) between a first output voltage AD0 and a third output voltage AD2 is compared with a first threshold value Vtr1 in step S10. When the difference (AD0−AD2) between the output voltages is smaller than the first threshold value Vtr1, it is judged that the finger of operator or the like does not touch the touch pad, and it is judged which of an offset in a second output voltage AD1 and an offset in the third output voltage AD2 is smaller than the other. When the offset in the second output voltage AD1 is smaller than the offset in the third output voltage AD2, the modification to the second calibration data X1 is permitted.
    • 本发明提供了一种静电容量型触摸传感器,其可以在操作者的手指等触摸不触摸触摸板的时刻在短时间内进行校准。 在步骤S10中将第一输出电压AD0和第三输出电压AD2之间的差(AD0-AD2)的绝对值与第一阈值Vtr1进行比较。 当输出电压之间的差(AD0-AD2)小于第一阈值Vtr1时,判断操作者的手指等不接触触摸板,并且判断在第二阈值中哪一个偏移 输出电压AD1和第三输出电压AD2中的偏移小于另一个。 当第二输出电压AD1中的偏移小于第三输出电压AD2中的偏移时,允许对第二校准数据X1的修改。
    • 3. 发明授权
    • Printed circuit plates
    • 印刷电路板
    • US5858255A
    • 1999-01-12
    • US326367
    • 1994-10-20
    • Ichiro KoharaMasakatu TakaishiHideaki IshitobiKiyoshi KondoHiroya Ito
    • Ichiro KoharaMasakatu TakaishiHideaki IshitobiKiyoshi KondoHiroya Ito
    • C23F1/20C23F1/36H05K3/06H01L21/302H01L21/3213
    • C23F1/36C23F1/20Y10S428/901
    • A method for manufacturing printed circuit plates, which includes laminating an aluminum rolled leaf on a surface of an insulator base, forming an etching resist coat film on the surface of the aluminum rolled leaf, and then dissolving and removing an unnecessary aluminum leaf in the non-resist area with an etching liquid. The etching liquid is an aqueous solution containing (1) 0.1 to 15 mol/liter of acid of an amine hydrofluoride and (2) 0.02 to 10 mol/liter of a hydrogen peroxide, wherein the amine is one of an aliphatic amine having 12 carbon atoms or less and a heterocyclic amine, the amine having no other acid group or basic group than amino group, the etching liquid having a pH within the range from 4 to 9, wherein the hydrogen peroxide oxidizes aluminum into an aluminum oxide which is dissolved by the amine hydrofluoride.
    • 一种印刷电路板的制造方法,其特征在于,在绝缘体基材的表面上层叠铝卷状叶片,在所述铝卷板的表面上形成抗蚀剂涂膜,然后将不需要的铝箔 具有蚀刻液体的区域。 蚀刻液是含有(1)0.1〜15摩尔/升的胺氢氟酸的酸和(2)0.02〜10摩尔/升过氧化氢的水溶液,其中,胺是具有12个碳原子的脂肪族胺 原子以下的杂环胺和杂原子胺,所述胺不具有氨基以外的其他酸基或碱性基团,所述蚀刻液的pH在4〜9的范围内,其中所述过氧化氢将铝氧化为氧化铝,所述氧化铝被 胺氢氟酸盐。
    • 7. 发明申请
    • ELECTROSTATIC CAPACITY TYPE TOUCH SENSOR
    • 静电容量式触摸传感器
    • US20120001869A1
    • 2012-01-05
    • US13175277
    • 2011-07-01
    • Hiroya ITOTakayasu OTAGAKIAtsuhiro ICHIKAWAKazuhiro HASEGAWA
    • Hiroya ITOTakayasu OTAGAKIAtsuhiro ICHIKAWAKazuhiro HASEGAWA
    • G06F3/045
    • G06F3/03547G06F3/044H03K17/962H03K2017/9602
    • There is offered an electrostatic capacity type touch sensor capable of detecting a large number of touch positions with high accuracy. The electrostatic capacity type touch sensor is composed of a touch panel and a signal processing circuit. The touch panel is structured to include first through fourth detection electrodes, first and second common electric potential lines, a common electric potential wiring, a common electric potential terminal and first through fourth output terminals disposed on an insulating substrate. The signal processing circuit is structured to include a clock generator, a selection circuit, a charge amplifier, an A/D converter and an arithmetic unit. The charge amplifier detects a change in capacitance induced by that a finger of an operator touches the first through fourth detection electrodes.
    • 提供了能够高精度地检测大量触摸位置的静电电容型触摸传感器。 静电电容型触摸传感器由触摸面板和信号处理电路构成。 触摸面板被构造为包括第一至第四检测电极,第一和第二公共电位线,公共电位布线,公共电位端子和布置在绝缘基板上的第一至第四输出端子。 信号处理电路被构造成包括时钟发生器,选择电路,电荷放大器,A / D转换器和运算单元。 电荷放大器检测由操作者的手指触摸第一至第四检测电极而引起的电容变化。
    • 8. 发明授权
    • Electrostatic capacity type touch sensor
    • 静电容量型触摸传感器
    • US09041683B2
    • 2015-05-26
    • US13029655
    • 2011-02-17
    • Takayasu OtagakiAtsuhiro IchikawaHiroya ItoKazuhiro Hasegawa
    • Takayasu OtagakiAtsuhiro IchikawaHiroya ItoKazuhiro Hasegawa
    • G06F3/044
    • G06F3/044
    • The invention provides an electrostatic capacity type touch sensor that is not influenced by a parasitic capacitor formed between a sensor line connected to a touch sensor pad and other signal line and provides a stable sensor output. A sensor line connected to a touch sensor pad is connected to a non-inverting input terminal (+) of a charge amplifier. An LED is disposed in the touch sensor pad, and the cathode of the LED is connected to an LED signal line. Since the LED signal line is disposed adjacent to the sensor line, a parasitic capacitor is formed between the LED signal line and the sensor line. In order to keep the capacitance of this parasitic capacitor constant, a pull-up resistor is connected to the LED signal line. The LED signal line is biased to a power supply potential Vdd by the pull-up resistor.
    • 本发明提供一种静电容量型触摸传感器,其不受在连接到触摸传感器焊盘的传感器线和其它信号线之间形成的寄生电容的影响,并提供稳定的传感器输出。 连接到触摸传感器垫的传感器线连接到电荷放大器的非反相输入端(+)。 在触摸传感器衬垫中设置LED,并且LED的阴极连接到LED信号线。 由于LED信号线与传感器线相邻配置,所以在LED信号线和传感器线之间形成寄生电容。 为了保持该寄生电容的电容恒定,上拉电阻连接到LED信号线。 LED信号线被上拉电阻偏置到电源电位Vdd。
    • 9. 发明申请
    • TOUCH SENSOR
    • 触摸传感器
    • US20120062464A1
    • 2012-03-15
    • US13230392
    • 2011-09-12
    • Takayasu OTAGAKIAtsuhiro IchikawaHiroya Ito
    • Takayasu OTAGAKIAtsuhiro IchikawaHiroya Ito
    • G06F3/02
    • G06F3/044G06F3/0416
    • The invention provides a touch sensor in which the numbers of channels and wires are decreased simultaneously and a simultaneous touch operation of a plurality of touch keys is realized. A keyboard includes 36 pieces of touch keys disposed in 6 rows and 6 columns, drive lines, and sensor lines on an insulation substrate. The touch key includes a center electrode disposed on the insulation substrate and an annular electrode disposed surrounding this center electrode. A sensor circuit includes a selection circuit and an electric charge amplifier. The electric charge amplifier detects the amount of change of a capacitance of an electrostatic capacitor formed between the center electrode and the annular electrode of the touch key connected to one sensor line selected by the selection circuit.
    • 本发明提供了一种触摸传感器,其中通道和电线的数量同时减小,并且实现了多个触摸键的同时触摸操作。 键盘包括设置在绝缘基板上的6行6列,驱动线和传感器线中的36个触摸键。 触摸键包括设置在绝缘基板上的中心电极和围绕该中心电极设置的环形电极。 传感器电路包括选择电路和电荷放大器。 电荷放大器检测形成在连接到由选择电路选择的一个传感器线的触摸键的中心电极和环形电极之间形成的静电电容器的电容的变化量。