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    • 3. 发明授权
    • Touch panel system and method
    • 触摸屏系统和方法
    • US4293734A
    • 1981-10-06
    • US14450
    • 1979-02-23
    • William Pepper, Jr.
    • William Pepper, Jr.
    • A63F9/00A63F13/06G06F3/033G06F3/045G10H1/055G08C21/00G01N27/00
    • G06F3/045A63F13/06A63F13/214G10H1/055A63F2009/0004A63F2300/1068A63F2300/8047G06F2203/04113
    • A general method is disclosed for accurately determining the location or position of a source or sink of electric current on the surface of a resistance element or impedance layer. Touch panels are described that detect the presence of a user's finger on such surface, and produce output signals corresponding to the position of the finger in one or more axes. A preferred embodiment discloses a touch panel that includes a signal generator and determines the position of the user's finger from current flowing through the user's body to ground. Another touch panel embodiment determines the position of the user's finger from currents caused by ambient electrical noise. A pressure-sensitive touch panel, a transparent touch panel for use with a video display, a touch-panel-controlled audio mixer, and a video game incorporating touch panels are also disclosed.
    • 公开了一种用于精确地确定电阻元件或阻抗层表面上的电流源或信宿的位置或位置的通用方法。 描述了触摸面板,其检测在这种表面上存在用户的手指,并且产生与手指在一个或多个轴中的位置相对应的输出信号。 优选实施例公开了一种触摸面板,其包括信号发生器并且确定用户手指从当前流经用户身体到地面的位置。 另一触摸屏实施例确定用户手指从环境电噪声引起的电流的位置。 还公开了压敏触摸面板,用于视频显示器的透明触摸面板,触摸面板控制的音频混合器和结合触摸面板的视频游戏。
    • 6. 发明授权
    • Touch panel system and method
    • 触摸屏系统和方法
    • US4353552A
    • 1982-10-12
    • US116502
    • 1980-01-29
    • William Pepper, Jr.
    • William Pepper, Jr.
    • A63F9/00A63F13/06G06F3/033G06F3/045G10H1/055A63F9/22
    • A63F13/214A63F13/06G06F3/045G10H1/0558A63F13/218A63F2009/0004A63F2300/1068A63F2300/8047G06F2203/04113
    • A general method is disclosed for accurately determining the location or position of a source or sink of electric current on the surface of a resistance element or impedance layer. Touch panels are described that detect the presence of a user's finger on such surface, and produce output signals corresponding to the position of the finger in one or more axes. A preferred embodiment discloses a touch panel that includes a signal generator and determines the position of the user's finger from current flowing through the user's body to ground. Another touch panel embodiment determines the position of the user's finger from currents caused by ambient electrical noise. A pressure-sensitive touch panel, a transparent touch panel for use with a video display, a touch-panel-controlled audio mixer, and a video game incorporating touch panels are also disclosed.
    • 公开了一种用于精确地确定电阻元件或阻抗层表面上的电流源或信宿的位置或位置的通用方法。 描述了触摸面板,其检测在这种表面上存在用户的手指,并且产生与手指在一个或多个轴中的位置相对应的输出信号。 优选实施例公开了一种触摸面板,其包括信号发生器并且确定用户手指从当前流经用户身体到地面的位置。 另一触摸屏实施例确定用户手指从环境电噪声引起的电流的位置。 还公开了压敏触摸面板,用于视频显示器的透明触摸面板,触摸面板控制的音频混合器和结合触摸面板的视频游戏。
    • 9. 发明授权
    • Human-machine interface apparatus
    • 人机界面装置
    • US4129747A
    • 1978-12-12
    • US850741
    • 1977-11-11
    • William Pepper, Jr.
    • William Pepper, Jr.
    • G06F3/033G06F3/041G06F3/045G06F3/046G08C21/00
    • G06F3/041G06F3/045G06F3/046A63F2300/1037A63F2300/1068
    • A human-machine interface apparatus includes a first, or phase, surface with associated circuitry so devised that an alternating electrical field is created above the surface with its phase, relative to a fixed point on the surface, changing continuously along an axis of the surface; a second, or pickup, surface located so that when the operator of the interface apparatus inserts a finger in the field an electrical signal with phase corresponding to the point of insertion is transmitted through the operator's body to the pickup surface; and a phase discriminator with one input connected to the pickup surface and a reference input connected to an alternating voltage source of predetermined phase relationship to the alternating electrical field at a fixed point on the phase surface. The preferred embodiment combines two such apparatuses, sharing common phase and pickup surfaces but operating at different frequencies, to provide outputs corresponding to two orthogonal axes on the phase surface. The phase surface in the preferred embodiment is a square resistive layer on a non-conductive substrate, and the change in phase with position is produced by applying a signal of one frequency to one edge of the square and a signal of the same frequency but different phase to the opposite edge, the remaining two ecdges similarly being supplied with signals of a second frequency. A level detector provides a third axis output indicating the presence of the operator's finger in the field. An alternate embodiment uses a sandwich construction of the phase surface to provide the phase shift, with an insulating layer separating a resistive surface layer from a conductive ground plane to provide distributed capacitance and resistance that progressively shift the phase of an applied signal as it travels along the surface. Another embodiment uses multiplexing to measure position in two axes with a single applied frequency and a single phase discriminator.
    • 人机界面装置包括具有相关联电路的第一或相位表面,所述相关电路设计成使得相对于表面上的固定点在表面上方产生交变电场,其相位相对于表面的轴线连续变化 ; 第二或拾取表面,使得当接口装置的操作者在现场插入手指时,具有与插入点相对应的相位的电信号通过操作者身体传输到拾取表面; 以及相位鉴别器,其中一个输入连接到拾取表面,参考输入端连接到相位表面上固定点处与交变电场的预定相位关系的交流电压源。 优选实施例组合了两个这样的装置,共享公共相位和拾取表面,但是在不同频率下操作,以提供对应于相表面上的两个正交轴的输出。 在优选实施例中的相表面是非导电衬底上的方形电阻层,并且通过将一个频率的信号施加到平方的一个边缘并且具有相同频率但不同的信号来产生与位置的相位变化 相位到相对边缘,其余两个电场类似地被提供有第二频率的信号。 电平检测器提供指示操作者的手指在现场的存在的第三轴输出。 替代实施例使用相位面的夹层结构来提供相移,其中绝缘层将电阻表面层与导电接地平面分开,以提供分布的电容和电阻,其随着其沿着行进逐渐移位所施加的信号的相位 表面。 另一个实施例使用多路复用来测量具有单个施加频率的两个轴的位置和单个相位鉴别器。
    • 10. 发明授权
    • Human-machine interface apparatus
    • 人机界面装置
    • US4071691A
    • 1978-01-31
    • US717192
    • 1976-08-24
    • William Pepper, Jr.
    • William Pepper, Jr.
    • G06F3/033G06F3/041G06F3/045G06F3/046G08C21/00
    • G06F3/041G06F3/045G06F3/046A63F2300/1037A63F2300/1068
    • A human-machine interface apparatus includes a first, or phase, surface with associated circuitry so devised that an alternating electrical field is created above the surface with its phase, relative to a fixed point on the surface, changing continuously along an axis of the surface; a second, or pickup, surface located so that when the operator of the interface apparatus touches the phase surface an electrical signal with phase corresponding to the spot touched is transmitted through the operator's body to the pickup surface; and a phase discriminator with one input connected to the pickup surface and a reference input connected to an alternating voltage source of predetermined phase relationship to the alternating electrical field at a fixed point on the phase surface. The preferred embodiment combines two such apparatuses, sharing common phase and pickup surfaces but operating at different frequencies, to provide outputs corresponding to two orthogonal axes on the phase surface. The phase surface in the preferred embodiment is a square resistive layer on a nonconductive substrate, and the change in phase with position is produced by applying a signal of one frequency to one edge of the square and a signal of the same frequency but different phase to the opposite edge, the remaining two edges similarly being supplied with signals of a second frequency. A level detector provides a third axis output indicating the presence of the operator's finger on the plane. An alternate embodiment uses a sandwich construction of the phase surface to provide the phase shift, with an insulating layer separating a resistive surface layer from a conductive ground plane to provide distributed capacitance and resistance that progressively shift the phase of an applied signal as it travels along the surface. Another embodiment uses multiplexing to measure position in two axes with a single applied frequency and a single phase discriminator.
    • 人机界面装置包括具有相关联电路的第一或相位表面,所述相关电路设计成使得相对于表面上的固定点在表面上方产生交变电场,其相位相对于表面的轴线连续变化 ; 第二或拾取表面,使得当接口装置的操作者接触相位面时,与触摸的点对应的相位的电信号通过操作者的身体传输到拾取表面; 以及相位鉴别器,其中一个输入连接到拾取表面,参考输入端连接到相位表面上固定点处与交变电场的预定相位关系的交流电压源。 优选实施例组合了两个这样的装置,共享公共相位和拾取表面,但是在不同频率下操作,以提供对应于相表面上的两个正交轴的输出。 在优选实施例中的相表面是非导电衬底上的方形电阻层,并且通过将一个频率的信号施加到平方的一个边缘并且具有相同频率但不同相位的信号而产生相位与位置的变化 相对边缘,其余两个边缘同样被提供有第二频率的信号。 电平检测器提供指示操作者的手指在平面上的存在的第三轴输出。 替代实施例使用相位面的夹层结构来提供相移,其中绝缘层将电阻表面层与导电接地平面分开,以提供分布的电容和电阻,其随着其沿着行进逐渐移位所施加的信号的相位 表面。 另一个实施例使用多路复用来测量具有单个施加频率的两个轴的位置和单个相位鉴别器。