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    • 18. 发明授权
    • Coordinate input apparatus
    • 坐标输入装置
    • US4766404A
    • 1988-08-23
    • US930913
    • 1986-11-17
    • Masato IshidaHiroaki TakedaKazuo WatanabeAkira SuzukiNobuyuki SuzukiIsamu SatoKazuki Miyamoto
    • Masato IshidaHiroaki TakedaKazuo WatanabeAkira SuzukiNobuyuki SuzukiIsamu SatoKazuki Miyamoto
    • G03G15/00G03G15/36G06F3/033G08C21/00
    • G03G15/5016G03G15/36G06F3/033
    • A coordinate input apparatus (editor) of a copying apparatus and the like includes: a tablet to output a signal indicative of a position which is arbitrarily designated; a pointing device to designate an arbitrary point on the tablet; a recognizing circuit to recognize the positions in the X and Y directions of the point designated by the pointing device; a data memory to store the positions of the designated point; a controller which, when a special area on the tablet is designated by the pointing device, allows the signal indicative of the special area to be output; and a correcting circuit to correct the range of the special area. The positions of the designated point in the X and Y directions are detected a plurality of times and compared. The input coordinate data is discriminated by the result of the comparison to see if it is valid or invalid. When the input data is valid, a copying operation is performed. When it is invalid, the copying operation is stopped and the fact that the input data is improper is displayed by an LED indicator and a buzzer is activated. With this apparatus, the coordinate data can be accurately input from the editor and also the accurate trimming or masking of the image can be realized without an erroneous input operation.
    • 复印装置等的坐标输入装置(编辑器)包括:输入指示任意指定的位置的信号的图形输入板; 指示设备来指定平板电脑上的任意点; 识别电路,用于识别由指示装置指定的点的X和Y方向上的位置; 数据存储器,用于存储指定点的位置; 控制器,当由指示设备指定平板电脑上的特殊区域时,允许输出指示特殊区域的信号; 以及用于校正特殊区域的范围的校正电路。 在X和Y方向上的指定点的位置被检测多次并进行比较。 输入坐标数据由比较结果进行鉴别,看是否有效或无效。 当输入数据有效时,执行复印操作。 当无效时,停止复印操作,并通过LED指示灯显示输入数据不正确的事实,蜂鸣器被激活。 利用该装置,可以从编辑器准确地输入坐标数据,并且可以在没有错误的输入操作的情况下实现图像的精确修整或掩蔽。