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    • 54. 发明申请
    • DETECTION CIRCUIT FOR DETECTING MOVEMENTS OF A MOVABLE OBJECT
    • 用于检测可移动物体的运动的检测电路
    • WO2007122532A1
    • 2007-11-01
    • PCT/IB2007/051273
    • 2007-04-10
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.PHAN LE, KimLIFKA, Herbert
    • PHAN LE, KimLIFKA, Herbert
    • G06F3/042G05G9/047
    • G06F3/0338G05G2009/04759G05G2009/04777G06F3/0304
    • Detection circuits (1) for detecting movements of movable objects (2) such as joysticks are provided with detectors (100,200) for detecting movements of the movable objects (2), comprising detection units (101-136,201-204) for detecting light spots (3) from sources (4), the light spots (3) depending on said movements, and with reference detectors (300) for compensating for aging / process variations, comprising reference detection units (301-304) for calibrating the detection units (101-136,201-204). Such detection circuits (1) suffer from aging / process variations to a relatively small extent. First detectors (100) for detecting x or y movements are partly located within the light spot (3) dependently on positions of the joysticks and the reference detectors (300) are then entirely located within the light spot (3) independently from positions of the joysticks. Second detectors (200) for detecting z movements are entirely located within the light spot (3) independently from positions of the joysticks and the reference detectors (300) are then entirely located outside the light spot (3) independently from positions of the joysticks.
    • 用于检测诸如操纵杆的可移动物体(2)的移动的检测电路(1)设置有用于检测可移动物体(2)的移动的检测器(100,200),包括用于检测光斑的检测单元(101-136,201-204) 3)来自源(4),根据所述运动的光点(3)和用于补偿老化/过程变化的参考检测器(300),包括用于校准检测单元(101)的参考检测单元(301-304) -136,201-204)。 这种检测电路(1)的老化/过程变化相对较小。 用于检测x或y运动的第一检测器(100)部分地位于光点(3)内,这取决于操纵杆的位置,并且参考检测器(300)然后完全位于光点(3)内,独立于位置 操纵杆。 用于检测z运动的第二检测器(200)独立于操纵杆的位置完全位于光斑(3)内,并且参考检测器(300)然后独立于操纵杆的位置完全位于光斑(3)的外部。