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    • 4. 发明授权
    • Method and apparatus for reading an array of thermal resistance sensors
    • 读取热电阻传感器阵列的方法和装置
    • US07038996B2
    • 2006-05-02
    • US10438405
    • 2003-05-15
    • Gerd K. BinnigUrs T. Duerig
    • Gerd K. BinnigUrs T. Duerig
    • G11B9/00
    • G01D5/16B82Y10/00G11B9/14G11B19/04
    • Described is a method for reading an array of sensors having a set of row conductors each connected to the sensors in a corresponding row of the array and a set of column conductors each connected to the sensors in a corresponding column of the array such that each sensor is connected between a row conductor and a column conductor. The method comprises: for each row of sensors in the array, performing a read cycle comprising applying an activation pulse to the corresponding row conductor to activate the sensors in the row, applying a reading pulse to the row conductor on expiry of a predetermined time interval from an edge of the activation pulse, and during the reading pulse, detecting, for each sensor in the row, a value dependent on a variable characteristic of that sensor. The read cycle for at least one row is commenced during the predetermined time interval of the read cycle for another row. In a preferred example described in detail, the sensors are thermal resistance sensors, the activation pulse is a heating pulse to heat the sensors, and the variable characteristic is resistance.
    • 描述了一种用于读取具有一组行导体的传感器阵列的方法,每组行导体连接到阵列的相应行中的传感器,以及一组列导体,每个连接到阵列的相应列中的传感器,使得每个传感器 连接在行导体和列导体之间。 该方法包括:对于阵列中的每行传感器,执行读周期,包括将激活脉冲施加到相应的行导体以激活行中的传感器,在预定时间间隔期满时向行导体施加读取脉冲 从激活脉冲的边缘,并且在读取脉冲期间,对于行中的每个传感器,检测取决于该传感器的可变特性的值。 至少一行的读取周期在另一行的读取周期的预定时间间隔期间开始。 在详细描述的优选示例中,传感器是热电阻传感器,激活脉冲是用于加热传感器的加热脉冲,并且可变特性是电阻。