RU2015111441A - The application of the method of measuring RLC parameters according to patent RU 2100813 in devices having a touch panel or screen - Google Patents
The application of the method of measuring RLC parameters according to patent RU 2100813 in devices having a touch panel or screen Download PDFInfo
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- RU2015111441A RU2015111441A RU2015111441A RU2015111441A RU2015111441A RU 2015111441 A RU2015111441 A RU 2015111441A RU 2015111441 A RU2015111441 A RU 2015111441A RU 2015111441 A RU2015111441 A RU 2015111441A RU 2015111441 A RU2015111441 A RU 2015111441A
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- time
- resistive
- linear
- capacitive circuit
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/26—Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants ; Measuring impedance or related variables
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Position Input By Displaying (AREA)
Abstract
Применение способа измерения RLC-параметров применительно к резистивно-емкостной цепи, основанного на измерении длительностей переходных процессов, в устройствах, имеющих емкостную сенсорную панель или экран, для цели ввода в устройство координат мест касаний панели или экрана и отслеживания координат, заключающегося в том, что на резистивно-емкостную цепь подают возмущающее напряжение, изменяющееся в функции времени, имеющей по меньшей мере одну пару участков с одинаковыми характеристиками, каждый из которых содержит два линейных измерительных участка с нулевой крутизной и два возмущающих участка, расположенных соответственно перед началами линейных измерительных участков и обеспечивающих ненулевые неустановившиеся напряжения на элементе резистивно-емкостной цепи к моментам начал линейных измерительных участков, одновременно формируют соответствующее паре опорное напряжение, изменяющееся в функции времени, имеющей линейные опорные участки с нулевой крутизной, каждый из которых определен в течение времени соответствующего линейного измерительного участка пары и имеет соответствующую для каждого участка характеристику, обеспечивающую во всем расчетном диапазоне измерений разные знаки разностей напряжений напряжения на элементе резистивно-емкостной цепи и опорного напряжения в моменты времени начала и конца соответствующего линейного измерительного участка, напряжение на элементе резистивно-емкостной цепи в рамках интервалов времени первого и второго линейных измерительных участков пары сравнивают с опорным напряжением, при этом между моментами равенства напряжений формируют интервалThe application of the method of measuring RLC parameters in relation to a resistive-capacitive circuit based on measuring transient durations in devices having a capacitive touch panel or screen for the purpose of entering into the device coordinates of the places of touching the panel or screen and tracking coordinates, which consists in the fact that a disturbing voltage is applied to the resistive-capacitive circuit, which varies as a function of time, which has at least one pair of sections with the same characteristics, each of which contains two linear measurements Zero-slope sections and two disturbing sections located respectively before the start of the linear measuring sections and providing non-zero transient voltages on the element of the resistive-capacitive circuit to the moments of the beginning of the linear measuring sections, simultaneously form a reference voltage corresponding to the pair, which varies as a function of time, which has linear reference sections with zero slope, each of which is determined during the time of the corresponding linear measuring section pa ry and has a characteristic for each section that provides different signs in the entire calculation range of the voltage differences between the element of the resistive-capacitive circuit and the reference voltage at the time of the beginning and end of the corresponding linear measuring section, the voltage on the element of the resistive-capacitive circuit within the intervals the time of the first and second linear measuring sections of the pair is compared with the reference voltage, while between the moments of equality of stresses form an interval l
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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RU2015111441/28A RU2602744C2 (en) | 2015-03-30 | 2015-03-30 | Use of method of measuring rlc parameters according to patent ru 2100813 in devices with touch panel or screen |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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RU2015111441/28A RU2602744C2 (en) | 2015-03-30 | 2015-03-30 | Use of method of measuring rlc parameters according to patent ru 2100813 in devices with touch panel or screen |
Publications (2)
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RU2015111441A true RU2015111441A (en) | 2016-11-10 |
RU2602744C2 RU2602744C2 (en) | 2016-11-20 |
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RU2015111441/28A RU2602744C2 (en) | 2015-03-30 | 2015-03-30 | Use of method of measuring rlc parameters according to patent ru 2100813 in devices with touch panel or screen |
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Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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RU2717145C2 (en) * | 2018-07-23 | 2020-03-18 | Николай Дмитриевич Куликов | Method of inputting coordinates (versions), a capacitive touch screen (versions), a capacitive touch panel (versions) and an electric capacity converter for determining coordinates of a geometric center of a two-dimensional area (versions) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
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RU2100813C1 (en) * | 1995-03-24 | 1997-12-27 | Николай Дмитриевич Куликов | Method for measurement of resistance, inductance and capacity |
DE102008063528A1 (en) * | 2008-12-18 | 2010-06-24 | Micro-Epsilon Messtechnik Gmbh & Co. Kg | Sensor arrangement and method for determining the position and / or position change of a measurement object |
US8547359B2 (en) * | 2010-06-21 | 2013-10-01 | Pixart Imaging Inc. | Capacitive touchscreen system with switchable charge acquisition circuit |
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- 2015-03-30 RU RU2015111441/28A patent/RU2602744C2/en active
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