Touch input device and system thereof
    11.
    发明授权
    Touch input device and system thereof 有权
    触摸输入设备及其系统

    公开(公告)号:US09262025B2

    公开(公告)日:2016-02-16

    申请号:US14022684

    申请日:2013-09-10

    CPC classification number: G06F3/044 G06F3/03545 G06F3/0416

    Abstract: A touch input device provided in the present invention includes a pen tip, a pressure sensing module, a control unit and a PWM generator. The pen tip is utilized to touch a capacitive touchscreen and conduct a touchscreen driving signal. The pressure sensing module is utilized to generate a pressure sensing signal which corresponds to a pressure of the pen tip on the capacitive touchscreen. The control unit is utilized to receive the touchscreen driving signal and the pressure sensing signal, and then to generate a PWM control signal according to the pressure sensing signal. Further, a pulse width of the PWM control signal is proportional to the pressure. The PWM generator is utilized to provide a PWM signal to the pen tip according to the PWM control signal. A touch input system is further provided in the present invention.

    Abstract translation: 本发明提供的触摸输入装置包括笔尖,压力感测模块,控制单元和PWM发生器。 笔尖用于触摸电容式触摸屏并进行触摸屏驱动信号。 压力感测模块用于产生对应于电容式触摸屏上的笔尖的压力的压力感测信号。 控制单元用于接收触摸屏驱动信号和压力感测信号,然后根据压力感测信号产生PWM控制信号。 此外,PWM控制信号的脉冲宽度与压力成比例。 PWM发生器用于根据PWM控制信号向笔尖提供PWM信号。 在本发明中进一步提供触摸输入系统。

    Touch Input Device and System Thereof
    12.
    发明申请
    Touch Input Device and System Thereof 有权
    触摸输入设备及其系统

    公开(公告)号:US20150070293A1

    公开(公告)日:2015-03-12

    申请号:US14022684

    申请日:2013-09-10

    CPC classification number: G06F3/044 G06F3/03545 G06F3/0416

    Abstract: A touch input device provided in the present invention includes a pen tip, a pressure sensing module, a control unit and a PWM generator. The pen tip is utilized to touch a capacitive touchscreen and conduct a touchscreen driving signal. The pressure sensing module is utilized to generate a pressure sensing signal which corresponds to a pressure of the pen tip on the capacitive touchscreen. The control unit is utilized to receive the touchscreen driving signal and the pressure sensing signal, and then to generate a PWM control signal according to the pressure sensing signal. Further, a pulse width of the PWM control signal is proportional to the pressure. The PWM generator is utilized to provide a PWM signal to the pen tip according to the PWM control signal. A touch input system is further provided in the present invention.

    Abstract translation: 本发明提供的触摸输入装置包括笔尖,压力感测模块,控制单元和PWM发生器。 笔尖用于触摸电容式触摸屏并进行触摸屏驱动信号。 压力感测模块用于产生对应于电容式触摸屏上的笔尖的压力的压力感测信号。 控制单元用于接收触摸屏驱动信号和压力感测信号,然后根据压力感测信号产生PWM控制信号。 此外,PWM控制信号的脉冲宽度与压力成比例。 PWM发生器用于根据PWM控制信号向笔尖提供PWM信号。 在本发明中进一步提供触摸输入系统。

    Method for detecting video frame types with median filtering
    13.
    发明申请
    Method for detecting video frame types with median filtering 有权
    用中值滤波检测视频帧类型的方法

    公开(公告)号:US20040207752A1

    公开(公告)日:2004-10-21

    申请号:US10413308

    申请日:2003-04-15

    CPC classification number: H04N7/012 H04N7/0112

    Abstract: The invention relates to a method for detecting video frame types with median filtering, which proceeds a denoising step after caculating the comb factor of each pixel, to avoid incorrect judgment of the frame type resulting from excessive field difference and improve detection accuracy.

    Abstract translation: 本发明涉及一种利用中值滤波检测视频帧类型的方法,在对每个像素的梳状因子进行了计算之后进行去噪步骤,以避免由于过大的场差引起的帧类型的错误判断,并提高了检测精度。

    Method for motion pixel detection
    14.
    发明申请
    Method for motion pixel detection 失效
    运动像素检测方法

    公开(公告)号:US20040189866A1

    公开(公告)日:2004-09-30

    申请号:US10396781

    申请日:2003-03-26

    CPC classification number: H04N5/144 H04N7/012 H04N7/0137

    Abstract: A method for motion pixel detection with a static counter map so as to correctly evaluate whether a missing pixel is in a static region or a non-static region, thereby reconstructing the missing pixel by an inter-field interpolation process or an intra-field interpolation process, respectively.

    Abstract translation: 一种利用静态计数器映射图进行运动像素检测的方法,以便正确评估缺失像素是在静态区域还是非静态区域,从而通过场间插值处理或场内插值来重建缺失像素 过程。

    Channel estimator for WLAN
    15.
    发明申请
    Channel estimator for WLAN 有权
    WLAN通道估计器

    公开(公告)号:US20040047435A1

    公开(公告)日:2004-03-11

    申请号:US10234519

    申请日:2002-09-05

    Inventor: Hsiao-Lan Su

    CPC classification number: H04L25/025 H04L25/0236 H04L27/2647

    Abstract: A channel estimator for use in wireless local area networks (WLAN's), characterized in that a channel estimation controller with a simplified recursive least square (RLS) algorithm and a data-reconstructor are employed to adjust the channel response in frequency domain during the delivery of a signal packet. Such adjustment is adaptively performed at anytime during the delivery of a signal packet so as to achieve fast convergence as well as accurate channel estimation.

    Abstract translation: 一种在无线局域网(WLAN)中使用的信道估计器,其特征在于采用具有简化递归最小二乘法(RLS)算法的信道估计控制器和数据重构器,以在传送期间调整频域中的信道响应 信号包。 这样的调整在信号包传送期间的任何时间自适应地执行,以便实现快速收敛以及准确的信道估计。

    Method for reducing buffer requirements in a digital audio decoder
    16.
    发明申请
    Method for reducing buffer requirements in a digital audio decoder 审中-公开
    减少数字音频解码器缓冲器要求的方法

    公开(公告)号:US20040010329A1

    公开(公告)日:2004-01-15

    申请号:US10191223

    申请日:2002-07-09

    CPC classification number: G10L19/16 G10L19/0212

    Abstract: A method for reducing buffer requirements in a digital audio decoder. Firstly, N samples that have to be decoded for an audio channel at this time are extracted from a sub-frame of a bitstream. A sub-block of K PCM samples is calculated at a time by performing an inverse transform on the N extracted samples, and then the N extracted samples are discarded. Note that the number of extracted samples is greater than or equal to the number of the PCM samples in a generated sub-block, i.e., NnullK. The above steps are repeated until one PCM output sub-frame of the audio channel is fully obtained.

    Abstract translation: 一种用于减少数字音频解码器中的缓冲器要求的方法。 首先,从比特流的子帧中提取此时必须对音频信道进行解码的N个样本。 通过对N个提取的样本进行逆变换,一次计算K个PCM样本的子块,然后丢弃N个提取的样本。 注意,提取的样本的数量大于或等于所生成的子块中的PCM样本的数量,即N> = K。 重复上述步骤,直到完全获得音频通道的一个PCM输出子帧。

    WRITING IDENTIFICATION SYSTEM AND METHOD
    18.
    发明公开

    公开(公告)号:US20240329829A1

    公开(公告)日:2024-10-03

    申请号:US18608357

    申请日:2024-03-18

    Inventor: Ying-hu YEN

    Abstract: A writing identification system includes a touch control panel, an identification device, and a pairing device. The identification device includes a housing assembly detachably attached to a writing instrument. A trigger sensor is disposed in a first cover of the housing assembly for sensing displacement of the writing instrument. A wireless transmission module is disposed in the first cover. When the trigger sensor senses the displacement and a writing head of the writing instrument contacts a writing board, the wireless transmission module transmits a first identification signal. A power module is disposed in the housing assembly. The pairing device is configured to receive the first identification signal and a handwriting touch signal to generate a first pairing signal and transmit the first pairing signal to a user device.

    STYLUS AND TOUCH INTERACTIVE DEVICE
    19.
    发明公开

    公开(公告)号:US20230176664A1

    公开(公告)日:2023-06-08

    申请号:US18075137

    申请日:2022-12-05

    Inventor: Min-han LEE

    CPC classification number: G06F3/03545 G06F3/03547

    Abstract: A stylus and a touch interactive device is provided. The stylus includes a pen holder, a cover plate, and a circuit control assembly. The pen holder includes a pen head, a pen wall, and an accommodating space. A groove is defined in the pen wall and communicates with the accommodating space. The pen head is arranged at one end of the pen holder. The cover plate is arranged corresponding to the groove and covers the groove. The circuit control assembly is received in the accommodating space. The circuit control assembly includes a mainboard and a touch sensing module connected to the mainboard. The touch sensing module is attached to the pen wall or a first inner wall of the cover plate to form a touch sensing area. The touch sensing module is used to receive and sense at least one touch command of fingers in the touch sensing area.

    VOICE WAKE-UP DEVICE AND METHOD OF CONTROLLING SAME

    公开(公告)号:US20220199072A1

    公开(公告)日:2022-06-23

    申请号:US17545883

    申请日:2021-12-08

    Abstract: A voice wake-up device includes a microphone module, an electrical connector, and a microcontroller unit. The microcontroller unit includes at least one microcontroller and a memory for storing microcontroller-executable instructions. The microcontroller-executable instructions enable the microcontroller unit to execute multiple tasks including detecting whether a sound signal is in ambient sounds received by the microphone module, and generating an input sound signal according to the sound signal; determining whether the input sound signal includes a predetermined wake-up voice; and confirming the predetermined wake-up voice is comprised in the input sound signal and outputting a wake-up instruction to wake up the electronic device entering the non-hibernation mode from the hibernation mode.

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