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    • 3. 发明授权
    • Coordinates input apparatus
    • 坐标输入装置
    • US4886943A
    • 1989-12-12
    • US299440
    • 1989-01-23
    • Noriyuki SuzukiAtsushi TanakaKiyoshi KanekoYuichiro YoshimuraShinnosuke TaniishiKatsuyuki KobayashiShigeki Mori
    • Noriyuki SuzukiAtsushi TanakaKiyoshi KanekoYuichiro YoshimuraShinnosuke TaniishiKatsuyuki KobayashiShigeki Mori
    • G06F3/043G06F3/033G06F3/041G06F3/048
    • G06F3/0433G06F3/0418Y10S367/907
    • There is provided a coordinates input apparatus for detecting the coordinates of a point indicated by an instruction pen on a vibration transmitting plate made of a transparent tablet on the basis of the vibration transmission times on this plate. This apparatus comprises: a pen as vibration generating means for generating a vibration; a tablet as a vibration transmitting plate to transmit the vibration generated by the pen; vibration sensors which are arranged on the tablet and detect at a plurality of positions the vibrations transmitted by making the pen come into contact with the tablet; a microcomputer for obtaining the vibration transmission distances from the vibration transmission times of the vibrations detected by the sensors and for calculating the coordinate point on the tablet with which the pen is come into contact; an output device to output the coordinate point calculated by the microcomputer; an erroneous detection discriminating circuit to discriminate whether the coordinate point calculated is the erroneously detected coordinate point or not; and a controller for allowing a correction point calculating means to calculate and output a correction point in place of the erroneously detected coordinate point.
    • 提供了一种坐标输入装置,用于基于在该板上的振动传播时间来检测由透明片形成的振动传递板上的由指示笔指示的点的坐标。 该装置包括:用于产生振动的笔作为振动产生装置; 作为振动传递板的片剂,用于传递由钢笔产生的振动; 振动传感器布置在平板电脑上,并在多个位置检测通过使笔与片剂接触而传递的振动; 用于获得由传感器检测到的振动的振动传播时间的振动传播距离和用于计算与笔接触的片剂上的坐标点的微型计算机; 用于输出微机计算出的坐标点的输出装置; 一个错误检测鉴别电路,用于鉴别所计算的坐标点是否是错误检测的坐标点; 以及控制器,用于允许校正点计算装置计算并输出校正点以代替错误检测的坐标点。
    • 5. 发明授权
    • Coordinate input apparatus
    • 坐标输入装置
    • US5561447A
    • 1996-10-01
    • US396073
    • 1995-02-28
    • Noriyuki SuzukiShigeki MoriAtsushi Tanaka
    • Noriyuki SuzukiShigeki MoriAtsushi Tanaka
    • G06F3/033G06F3/045G09B5/06G09G5/00
    • G06F3/045G09B5/062
    • A coordinate input apparatus in which by indicating a desired position on a coordinate input surface by an input pen, coordinate value data of the indicated position is detected and output, includes: an output device to output the coordinate value data; a detector for detecting the down state of the input pen; a memory for storing the coordinate value data detected after the elapse of a predetermined time from the detection of the pen-down state by detector; and a controller for allowing the coordinate value data stored in the memory to be output by the output device such as a liquid crystal display. With the apparatus, the fluctuations of the coordinate value data just after the pen-down operation and just before the pen-up operation can be eliminated and the stable coordinate value data can be always output. An erroneous detection due to the fluctuation of the coordinate value data upon coordinate input can be prevented.
    • 一种坐标输入装置,其中通过由输入笔指示坐标输入面上的期望位置,检测并输出指示位置的坐标值数据,包括:输出坐标值数据的输出装置; 用于检测输入笔的向下状态的检测器; 存储器,用于存储在经过检测器的向下状态的检测之后经过预定时间之后检测到的坐标值数据; 以及用于允许存储在存储器中的坐标值数据由诸如液晶显示器之类的输出装置输出的控制器。 利用该装置,可以消除恰好在笔式操作之后和刚刚起动操作之前的坐标值数据的波动,并且可以始终输出稳定的坐标值数据。 可以防止由于坐标输入时的坐标值数据的波动导致的错误检测。