IMAGE SENSOR AND OPTICAL POINTING SYSTEM
    1.
    发明申请
    IMAGE SENSOR AND OPTICAL POINTING SYSTEM 审中-公开
    图像传感器和光点指示系统

    公开(公告)号:US20100225579A1

    公开(公告)日:2010-09-09

    申请号:US12783891

    申请日:2010-05-20

    IPC分类号: G09G5/00

    摘要: Provided is an optical pointing system. The optical pointing system has an image sensing unit for receiving light and generating a plurality of first analog signals corresponding to a quantity of the received light in response to a reset signal and a pixel selection signal, at least one pixel for shutter control for receiving light, each of the pixel for shutter control generates a second analog signal corresponding to a quantity of the received light, a first comparator for comparing voltages of the plurality of first analog signals to generate a first comparison digital signal in response to a shutter control signal, an image processor for receiving the first comparison digital signal to calculate a movement value of the optical pointing system, and a shutter control unit for generating the shutter control signal based on the at least second analog signal.

    摘要翻译: 提供了一种光学指向系统。 光学指向系统具有用于接收光并且响应于复位信号和像素选择信号产生对应于接收光量的多个第一模拟信号的图像感测单元,用于接收光的快门控制的至少一个像素 用于快门控制的每个像素产生对应于接收光量的第二模拟信号;第一比较器,用于比较多个第一模拟信号的电压,以响应于快门控制信号产生第一比较数字信号; 用于接收第一比较数字信号以计算光学指向系统的移动值的图像处理器,以及用于基于至少第二模拟信号产生快门控制信号的快门控制单元。

    Muting circuit
    2.
    发明授权
    Muting circuit 失效
    静音电路

    公开(公告)号:US5838803A

    公开(公告)日:1998-11-17

    申请号:US777467

    申请日:1996-12-30

    CPC分类号: H03G3/345 H03G3/348

    摘要: There is provided a mute control circuit which is simplified to efficiently remove switching noise during the muting of each output and reducing the number of connection pins required for a given integrated circuit. The mute control circuit includes a pulse generator for receiving the each mute signal and generating a control pulse; a charge/discharge signal generator for receiving the control pulse and generating a charge/discharge signal and a switching control signal; a controller for receiving the charge/discharge signal and controlling the mute operation of the output terminal according to the switching control signal; and a switching signal generator for receiving the mute signal, generating a switching signal according to the switching control signal of the charge/discharge signal generator, and supplying the switching signal to the controller.

    摘要翻译: 提供了一种静音控制电路,其被简化以在每个输出的静音期间有效地去除开关噪声,并减少给定集成电路所需的连接引脚的数量。 静音控制电路包括用于接收每个静音信号并产生控制脉冲的脉冲发生器; 充电/放电信号发生器,用于接收控制脉冲并产生充电/放电信号和开关控制信号; 控制器,用于接收充电/放电信号,并根据开关控制信号控制输出端子的静音操作; 以及开关信号发生器,用于接收静音信号,根据充电/放电信号发生器的开关控制信号产生开关信号,并将开关信号提供给控制器。

    Stereo and dual audio signal identifying system
    3.
    发明授权
    Stereo and dual audio signal identifying system 失效
    立体声和双音频信号识别系统

    公开(公告)号:US5432855A

    公开(公告)日:1995-07-11

    申请号:US206183

    申请日:1994-03-07

    摘要: A stereo and dual audio signal identifying system comprising, an FM detector, bandpass filter, and AM detector which generate a filter/detected input to a first PLL having a 210 Hz reference signal. The first PLL generates a first input to a comparator and a second PLL generates a second input to the comparator. The comparator generates an output signal indicative of the presence of stereo and dual audio signals.

    摘要翻译: 一种立体声和双音频信号识别系统,包括:FM检测器,带通滤波器和AM检测器,其生成具有210Hz参考信号的第一PLL的滤波器/检测输入。 第一PLL产生比较器的第一输入,第二PLL产生比较器的第二输入。 比较器产生指示立体声和双音频信号的存在的输出信号。

    Noise reduction circuit with a main signal path and an auxiliary signal
path having a high-pass filter characteristic
    4.
    发明授权
    Noise reduction circuit with a main signal path and an auxiliary signal path having a high-pass filter characteristic 失效
    具有主信号路径和具有高通滤波器特性的辅助信号路径的降噪电路

    公开(公告)号:US5208551A

    公开(公告)日:1993-05-04

    申请号:US811148

    申请日:1991-12-20

    摘要: In a noise reduction circuit with a main signal path and an auxiliary signal path having a high-pass filter characteristic, the noise reduction circuit comprises: a voltage-to-current converting circuit having a differential input and output and connecting the auxiliary signal path to the main signal path, PN junction transistors connected to the differential output of the voltage-to-current converting circuit, a paired common-emitter transistor arrangement having one base electrode connected to the PN junction transistors, a capacitance connected to a first differential input of the voltage-to-current converting circuit, a feedback resistor connecting a collector of a first common-emitter transistor pair of the paired common-emitter transistor arrangement to the first differential input of the voltage-to-current converting circuit, a voltage buffer having the collector of the first common-emitter transistor pair of the paired common-emitter transistor arrangement and a voltage dividing resistance connected to a first differential input terminal, and an operational circuit for summing the auxiliary signal and main signal outputs. Accordingly, the circuit can minimize the layout area of an integrated circuit.

    摘要翻译: 在具有主信号路径和具有高通滤波器特性的辅助信号路径的降噪电路中,噪声降低电路包括:电压 - 电流转换电路,具有差分输入和输出,并将辅助信号路径连接到 主信号路径,连接到电压 - 电流转换电路的差分输出的PN结晶体管,具有连接到PN结晶体管的一个基极的成对共发射极晶体管装置,连接到第一差分输入的第一差分输入 所述电压 - 电流转换电路,将所述成对共发射极晶体管装置的第一共发射极晶体管对的集电极连接到所述电压 - 电流转换电路的第一差分输入端的反馈电阻器,具有 成对共发射极晶体管布置的第一共发射极晶体管对的集电极和分压器 g电阻连接到第一差分输入端子,以及用于将辅助信号和主信号输出相加的运算电路。 因此,电路可以最小化集成电路的布局面积。

    Noise reduction circuit with a main signal path and an auxiliary signal
path having a high-pass filter characteristic
    5.
    发明授权
    Noise reduction circuit with a main signal path and an auxiliary signal path having a high-pass filter characteristic 失效
    具有主信号路径和具有高通滤波器特性的辅助信号路径的降噪电路

    公开(公告)号:US5159284A

    公开(公告)日:1992-10-27

    申请号:US811238

    申请日:1991-12-20

    CPC分类号: H03G9/18 H03G11/02 H03G9/025

    摘要: A noise reduction circuit includes a main signal path and an auxiliary signal path having a high-pass filter characteristic. The noise reduction circuit may be used as a compression circuit or an expansion circuit in conjunction with a transmitter or a receiver, respectively. The auxiliary signal path includes a voltage dividing circuit, a voltage-to-current coverting circuit; a differential amplifier, and a voltage buffer connected between an input terminal and an operational amplifier. The main signal path is constituted by a resistance connected between the input terminal and the operational amplifier. The noise reduction circuit improves precision by eliminating the influence of absolute value variation of resistance which can occur in integrated circuit fabrication.

    摘要翻译: 噪声降低电路包括具有高通滤波器特性的主信号路径和辅助信号路径。 噪声降低电路可以分别与发送器或接收器一起用作压缩电路或扩展电路。 辅助信号路径包括分压电路,电压 - 电流覆盖电路; 差分放大器和连接在输入端和运算放大器之间的电压缓冲器。 主信号路径由连接在输入端和运算放大器之间的电阻构成。 降噪电路通过消除在集成电路制造中可能发生的电阻的绝对值变化的影响来提高精度。

    TOUCH SENSOR DEVICE
    6.
    发明申请
    TOUCH SENSOR DEVICE 有权
    触摸传感器设备

    公开(公告)号:US20110199327A1

    公开(公告)日:2011-08-18

    申请号:US13124039

    申请日:2009-03-25

    IPC分类号: G06F3/041

    CPC分类号: G06F3/0418

    摘要: A touch sensor device is provided. The touch sensor device includes a touch panel including a plurality of touch mark-keys indicating a position touched by a touch object, a plurality of first touch pads disposed at positions corresponding to the plurality of touch mark-keys of the touch panel and generating touch information of the touch object as a first electrical signal, a plurality of second touch pads disposed between the plurality of first touch pads and generating touch information of a conductive material on the touch object as a second electrical signal, and a touch sensing unit receiving the first electrical signal, outputting a plurality of sensing signals to allow an electronic device to perform predetermined operations corresponding to the touched touch mark-keys, and determining whether the touch of the touch object is a normal one using the first and second electrical signals.

    摘要翻译: 提供了一种触摸传感器装置。 触摸传感器装置包括触摸面板,其包括指示触摸对象触摸的位置的多个触摸标记键,设置在与触摸面板的多个触摸标记键相对应的位置处的多个第一触摸板,并且产生触摸 作为第一电信号的触摸对象的信息,设置在多个第一触摸板之间的多个第二触摸板,并且作为第二电信号产生触摸对象上的导电材料的触摸信息,以及接收该触摸对象的触摸感测单元 第一电信号,输出多个感测信号以允许电子设备执行与触摸的触摸标记键相对应的预定操作,并且使用第一和第二电信号来确定触摸对象的触摸是否是正常触摸对象。

    TOUCH PANEL APPARATUS AND A METHOD FOR DETECTING A CONTACT POSITION ON THE SAME
    7.
    发明申请
    TOUCH PANEL APPARATUS AND A METHOD FOR DETECTING A CONTACT POSITION ON THE SAME 审中-公开
    触摸面板装置和用于检测其上的接触位置的方法

    公开(公告)号:US20110102353A1

    公开(公告)日:2011-05-05

    申请号:US12993157

    申请日:2009-03-23

    IPC分类号: G06F3/041

    CPC分类号: G06F3/041 G06F3/044 G06F3/045

    摘要: A touch panel device and a method for detecting a contact position are provided. The touch panel device includes a touch panel including a first touch pattern, the first touch pattern having a plurality of first touch pads connected in series; and a touch sensor for applying a clock signal to one terminal of the first touch pattern, receiving a first delayed clock signal from the other terminal of the first touch pattern, and generating contact position data corresponding to a contact position of an object using a difference in delay time between the clock signal and the first delayed clock signal. Thus, since the plurality of touch pads are connected in series, the contact position of the entire touch panel can be sensed with only one touch sensor, and the touch pad has a greater area than the connection line for a distinguished difference in resistance between the touch pad and the connection line, such that the contact position can be accurately detected.

    摘要翻译: 提供了触摸面板装置和用于检测接触位置的方法。 所述触摸面板装置包括具有第一触摸图案的触摸面板,所述第一触摸图案具有串联连接的多个第一触摸板; 以及触摸传感器,用于将时钟信号施加到第一触摸图案的一个端子,从第一触摸图案的另一个端子接收第一延迟时钟信号,并且使用差异来产生对应于对象的接触位置的接触位置数据 在时钟信号和第一延迟时钟信号之间的延迟时间。 因此,由于多个触摸板是串联连接的,所以只需一个触摸传感器可以检测整个触摸面板的接触位置,并且触摸板具有比连接线更大的面积,以便在 触摸板和连接线,使得可以准确地检测接触位置。

    DELAY TIME MEASUREMENT CIRCUIT AND METHOD
    8.
    发明申请
    DELAY TIME MEASUREMENT CIRCUIT AND METHOD 审中-公开
    延迟时间测量电路和方法

    公开(公告)号:US20100277158A1

    公开(公告)日:2010-11-04

    申请号:US12664807

    申请日:2008-06-17

    IPC分类号: G01R29/00

    CPC分类号: G04F10/005 G01R31/31937

    摘要: Provided are a delay time measurement circuit and method. Since the delay time measurement circuit and method according to the present invention use a delay chain having a feedback structure, a measurable delay time is not limited. In addition, the number of delay elements constituting the delay chain can be reduced, such that the delay time measurement circuit can be implemented in a small layout area.

    摘要翻译: 提供延迟时间测量电路和方法。 由于根据本发明的延迟时间测量电路和方法使用具有反馈结构的延迟链,所以可测量的延迟时间不受限制。 此外,可以减少构成延迟链的延迟元件的数量,使得延迟时间测量电路可以在小的布局区域中实现。

    OPTICAL POINTING DEVICE AND METHOD OF ADJUSTING EXPOSURE TIME AND COMPARISON VOLTAGE RANGE OF THE OPTICAL POINTING DEVICE
    9.
    发明申请
    OPTICAL POINTING DEVICE AND METHOD OF ADJUSTING EXPOSURE TIME AND COMPARISON VOLTAGE RANGE OF THE OPTICAL POINTING DEVICE 审中-公开
    光学指示装置和调整曝光时间的方法以及光学指示装置的比较电压范围

    公开(公告)号:US20090225207A1

    公开(公告)日:2009-09-10

    申请号:US12468418

    申请日:2009-05-19

    IPC分类号: H04N5/335

    摘要: An optical pointing device and a method of adjusting an exposure time and a comparison voltage range of the optical pointing device are provided. The optical pointing device obtains a high-resolution image using a low-resolution analog-to-digital (A/D) converter, and calculates a movement value using the obtained image. Thus, the optical pointing device can calculate an accurate movement value, reduce production cost, and provide a rapid operating speed and low power consumption. Further, the optical pointing device can use the A/D converter having a relatively low signal-to-noise ratio of an input signal.

    摘要翻译: 提供光学指向装置和调整光学指向装置的曝光时间和比较电压范围的方法。 光学指向装置使用低分辨率模数(A / D)转换器获得高分辨率图像,并使用所获得的图像来计算移动值。 因此,光学指向装置可以计算精确的运动值,降低生产成本,并提供快速的运行速度和低功耗。 此外,光学指向装置可以使用具有相对低的输入信号的信噪比的A / D转换器。

    IMAGE SENSOR AND OPTICAL POINTING SYSTEM
    10.
    发明申请
    IMAGE SENSOR AND OPTICAL POINTING SYSTEM 失效
    图像传感器和光点指示系统

    公开(公告)号:US20090140981A1

    公开(公告)日:2009-06-04

    申请号:US12364075

    申请日:2009-02-02

    IPC分类号: G09G5/08 H04N5/335

    CPC分类号: H04N5/335 H04N5/37455

    摘要: Provided is an image sensor and optical pointing system using the same. The image sensor has a plurality of pixels, each pixel including a photocell for receiving light and generating an analog signal having a voltage corresponding to a quantity of the received light, a comparator for, in response to a shutter control signal, comparing the analog signal of the photocell with an analog signal of an adjacent pixel to generate a digital signal for movement calculation, or comparing the analog signal of the photocell with a reference voltage to generate a digital signal for shutter control, and a switch for transferring the digital signal for movement calculation and the digital signal for shutter control in response to a pixel selection signal. The optical pointing system includes a reference voltage generation unit for generating a reference voltage, the image sensor, a signal selector for receiving the digital signal for movement calculation and the digital signal for shutter control, and selecting and outputting one of the digital signal for movement calculation and the digital signal for shutter control in response to a shutter control period selection signal, a movement calculation and shutter control unit for receiving the digital signal for movement calculation to obtain an image of an object and output a movement value of the optical pointing system and the shutter control period selection signal, and receiving the digital signal for shutter control to compare a high-level count value with a maximum count value and a minimum count value and output the shutter control signal.

    摘要翻译: 提供了使用其的图像传感器和光学指向系统。 图像传感器具有多个像素,每个像素包括用于接收光并且产生具有对应于接收光量的电压的模拟信号的光电池,响应于快门控制信号的比较器,比较模拟信号 以产生用于移动计算的数字信号,或将光电管的模拟信号与参考电压进行比较以产生用于快门控制的数字信号,以及用于传送数字信号的开关,用于传送数字信号 移动计算和用于响应于像素选择信号的快门控制的数字信号。 光学指向系统包括用于产生参考电压的参考电压产生单元,图像传感器,用于接收用于移动计算的数字信号的信号选择器和用于快门控制的数字信号,以及选择和输出用于移动的数字信号之一 计算和用于响应于快门控制周期选择信号的快门控制的数字信号,运动计算和快门控制单元,用于接收用于移动计算的数字信号以获得对象的图像,并输出光学指向系统的移动值 以及快门控制周期选择信号,并接收用于快门控制的数字信号,以将高电平计数值与最大计数值和最小计数值进行比较,并输出快门控制信号。