Audio control device
    1.
    发明授权
    Audio control device 有权
    音频控制装置

    公开(公告)号:US07194097B2

    公开(公告)日:2007-03-20

    申请号:US10441045

    申请日:2003-05-20

    IPC分类号: H03F21/00

    CPC分类号: H03F3/68 Y10T307/696

    摘要: An Audio Codec which comprises a power selecting circuit an audio compiler circuit and a control amplifier circuit. The power selecting circuit receives at least a primary power source and an auxiliary power source and outputs a working power selected from the power sources. The auxiliary power source is selected and output to the control amplifier circuit only when the computer is at a power-off status. When the computer is power-on, the primary power source will be selected and output to both the audio compiler circuit and the control amplifier circuit. Therefore, the Audio Codec of the present invention only needs one set of internally furnished control amplifier circuit to both operate on the normal power-on status and perform the Power OFF CD function.

    摘要翻译: 音频编解码器,其包括音频编译器电路和控制放大器电路的功率选择电路。 功率选择电路至少接收主电源和辅助电源,并输出从电源选择的工作电源。 只有当计算机处于断电状态时,辅助电源被选择并输出到控制放大器电路。 当计算机上电时,主电源将被选择并输出到音频编译器电路和控制放大器电路。 因此,本发明的音频编解码器仅需要一套内部布置的控制放大器电路,以在正常的开机状态下操作并执行断电CD功能。

    Apparatus for automatic identification of audio input/output device and method thereof
    2.
    发明授权
    Apparatus for automatic identification of audio input/output device and method thereof 有权
    用于自动识别音频输入/输出装置的装置及其方法

    公开(公告)号:US07697697B2

    公开(公告)日:2010-04-13

    申请号:US10661492

    申请日:2003-09-15

    IPC分类号: H04R1/10

    摘要: An apparatus and method of automatic identification an external audio input/output device. The external device connected to an audio jack is identified as an audio output or input device, according to the impedance thereof. Furthermore, the present invention automatically selects the most suitable internal circuit to connect to the external device.

    摘要翻译: 一种自动识别外部音频输入/输出设备的装置和方法。 连接到音频插孔的外部设备根据其阻抗被识别为音频输出或输入设备。 此外,本发明自动选择最合适的内部电路来连接到外部设备。

    Audio converting device and converting method thereof
    3.
    发明授权
    Audio converting device and converting method thereof 有权
    音频转换装置及其转换方法

    公开(公告)号:US07181028B2

    公开(公告)日:2007-02-20

    申请号:US10103303

    申请日:2002-03-21

    IPC分类号: H03G7/00 H04B15/00

    CPC分类号: H03G3/00

    摘要: An audio converting device including a digital high-pass filter, an expander, a digital low-pass filter, a delta-sigma modulator, a digital-to-analog converter, an analog low-pass filter and a gain control unit is provided. The digital high-pass filter in this invention can filter out a direct-current component of digital audio data such that the production of noise is avoided when the volume is adjusted by users.

    摘要翻译: 提供了包括数字高通滤波器,扩展器,数字低通滤波器,Δ-Σ调制器,数模转换器,模拟低通滤波器和增益控制单元的音频转换装置。 本发明的数字高通滤波器可以滤除数字音频数据的直流分量,使得当用户调节音量时避免产生噪声。

    Over-sampling digital-to-analog converter with variable sampling frequencies
    4.
    发明授权
    Over-sampling digital-to-analog converter with variable sampling frequencies 有权
    具有可变采样频率的过采样数模转换器

    公开(公告)号:US06911927B2

    公开(公告)日:2005-06-28

    申请号:US10310323

    申请日:2002-12-05

    IPC分类号: H03M3/00

    CPC分类号: H03M3/50

    摘要: The present invention offers an over-sampling digital-to-analog converter with variable sampling frequencies to process input signals of variable sampling frequencies. The over-sampling digital-to-analog converter comprises an expander, which expands said input signals with a fixed rate of M to produce over-sampling signals; a digital low-pass filter, which filters out high-frequency ingredients of over-sampling signals and then outputs data with a first rate; a data buffer, which receives the outputted data by said digital low-pass filter with the first rate and outputs the data with a second rate; a modulator, which reads data in said data buffer with the second rate and modulates the data; a digital-to-analog converter, which converts the modulated data to analog signals; and an analog low-pass filter, which filters out high-frequency ingredients of said analog signals for producing output signals. No matter how the sampling frequency of the input signals is, due to reading rates of the modulator are the same, the over-sampling digital-to-analog converter ensures that noise is mostly distributed in the high-frequency band.

    摘要翻译: 本发明提供具有可变采样频率的过采样数模转换器来处理可变采样频率的输入信号。 过采样数模转换器包括扩展器,其以固定速率M扩展所述输入信号以产生过采样信号; 数字低通滤波器,滤除过采样信号的高频成分,然后以第一速率输出数据; 数据缓冲器,其以所述第一速率由所述数字低通滤波器接收输出的数据,并以第二速率输出数据; 调制器,以第二速率读取所述数据缓冲器中的数据并调制数据; 数模转换器,其将调制数据转换为模拟信号; 以及模拟低通滤波器,其滤除所述模拟信号的高频成分以产生输出信号。 无论输入信号的采样频率如何,由于调制器的读取速率相同,过采样数模转换器可确保噪声主要分布在高频段。

    Switching mechanism for camera
    5.
    发明授权
    Switching mechanism for camera 有权
    摄像机切换机制

    公开(公告)号:US07918613B2

    公开(公告)日:2011-04-05

    申请号:US12491302

    申请日:2009-06-25

    IPC分类号: G03B7/00 G03B1/00

    CPC分类号: G02B26/007

    摘要: A switching mechanism for a camera includes: a control unit; a driving device coupled with and actuated by the control unit; a first gear set coupled with the driving device; a second gear coupled with the first gear set and centrally provided with a rotary shaft having a shaft hole formed with threads; a spindle being female-connected to the shaft hole and which has an axial surface formed with outer threads corresponding to the threads of the shaft hole, thus allowing the second gear to move along and relative to the spindle; and a translation member positioned perpendicular to the spindle and provided with a rack for engaging with the second gear and thus driving the translation member to move perpendicular to the spindle. The second gear drives or does not drive the rack as the engagement therebetween is made or broken.

    摘要翻译: 一种摄像机的切换机构包括:控制单元; 与所述控制单元耦合并由所述控制单元致动的驱动装置; 与所述驱动装置耦合的第一齿轮组; 与所述第一齿轮组联接的第二齿轮,并且中心地设置有具有形成有螺纹的轴孔的旋转轴; 主轴与所述轴孔相连,所述主轴具有形成有与所述轴孔的螺纹对应的外螺纹的轴向表面,从而允许所述第二齿轮沿着所述心轴移动并相对于所述心轴移动; 以及平移构件,其定位成垂直于所述心轴并且设置有用于与所述第二齿轮接合的齿条,并且因此驱动所述平移构件垂直于所述心轴移动。 当它们之间的接合被制造或断开时,第二齿轮驱动或不驱动齿条。

    WATERTIGHT MONITORING DEVICE
    6.
    发明申请
    WATERTIGHT MONITORING DEVICE 审中-公开
    防水监控设备

    公开(公告)号:US20100295933A1

    公开(公告)日:2010-11-25

    申请号:US12471428

    申请日:2009-05-25

    IPC分类号: H04N7/18

    CPC分类号: H04N5/2252

    摘要: The present invention discloses a watertight monitoring device and comprises: fixing frame, a watertight cover, an image-capturing module, an upper cover, at least an adjustment tab, at least a plastic film, a front cover, and a rear cover; wherein the fixing frame has an outer surface provided with a recess having at least a through hole, the plastic film having an end coupled with the bottom edge of the adjustment tab and an opposite end passing sequentially through the aperture of the watertight cover and the through hole of the recess on the outer surface of the fixing frame and coupled with the adjustment rod of the image-capturing module, wherein the projecting portion of the adjustment tab can be pushed along the outer surface of the monitoring device so that the adjustment tab is moved in the arc direction, and the plastic film thus driving the adjustment rod of the image-capturing module so as to adjust functions of the image-capturing module.

    摘要翻译: 本发明公开了一种水密监视装置,包括:固定框架,防水罩,图像捕获模块,上盖,至少调整片,至少塑料膜,前盖和后盖; 其中所述固定框架具有设置有至少具有通孔的凹部的外表面,所述塑料薄膜具有与所述调节凸片的底部边缘连接的端部,并且相对端顺序地通过所述防水盖的所述孔和所述通孔 在固定框架的外表面上的凹部的孔,并与图像捕获模块的调节杆联接,其中调节片的突出部分可以沿着监视装置的外表面被推动,使得调节片是 沿圆弧方向移动,并且塑料膜因此驱动图像捕获模块的调节杆,以便调整图像捕获模块的功能。

    Signal processing system capable of changing signal levels
    7.
    发明授权
    Signal processing system capable of changing signal levels 有权
    能够改变信号电平的信号处理系统

    公开(公告)号:US07583213B2

    公开(公告)日:2009-09-01

    申请号:US11670426

    申请日:2007-02-02

    IPC分类号: H03M1/00

    CPC分类号: H04L27/08

    摘要: A signal processing system for changing a level of an input signal to generate an output signal is disclosed. The signal processing system includes a shifter, a sigma-delta modulator, and a level adjuster. The shifter is utilized for receiving the input signal and for bit-shifting the input signal according to a first predetermined gain to generate a first adjustment signal. The sigma-delta modulator is utilized for generating the output signal according a second adjustment signal and the first adjustment. The level adjuster is utilized for adjusting a level of the output signal according to a second predetermined gain to generate the second adjustment signal.

    摘要翻译: 公开了一种用于改变输入信号电平以产生输出信号的信号处理系统。 信号处理系统包括移位器,Σ-Δ调制器和电平调节器。 移位器用于接收输入信号并根据第一预定增益对输入信号进行位移移位以产生第一调整信号。 Σ-Δ调制器用于根据第二调整信号和第一调整产生输出信号。 电平调节器用于根据第二预定增益来调节输出信号的电平以产生第二调整信号。

    DIGITALLY SELF-CALIBRATING PIPELINE ADC AND CONTROLLING METHOD THEREOF
    8.
    发明申请
    DIGITALLY SELF-CALIBRATING PIPELINE ADC AND CONTROLLING METHOD THEREOF 审中-公开
    数字自校准管道ADC及其控制方法

    公开(公告)号:US20050225470A1

    公开(公告)日:2005-10-13

    申请号:US10907618

    申请日:2005-04-08

    CPC分类号: H03M1/1038 H03M1/145

    摘要: A pipeline ADC for converting an analog input signal to a digital output signal includes: a plurality of analog-to-digital converting units cascading in series to form a pipeline including a plurality of digital output ends; a calculation unit coupled to the analog-to-digital converting units for generating a plurality of calibration parameters in a first mode according to signals at the digital output ends; and a calibration unit coupled to the calculation unit and the analog-to-digital converting units for calibrating signals at the digital output ends in a second mode according to the calibration parameters, so as to generate the digital output signal.

    摘要翻译: 用于将模拟输入信号转换为数字输出信号的流水线ADC包括:串联级联的多个模数转换单元,以形成包括多个数字输出端的流水线; 耦合到模数转换单元的计算单元,用于根据数字输出端的信号在第一模式中产生多个校准参数; 以及耦合到所述计算单元和所述模数转换单元的校准单元,用于根据所述校准参数以第二模式校准所述数字输出端的信号,以产生所述数字输出信号。

    Switching mechanism for camera device
    9.
    发明授权
    Switching mechanism for camera device 有权
    相机设备切换机制

    公开(公告)号:US07965934B2

    公开(公告)日:2011-06-21

    申请号:US12433945

    申请日:2009-05-01

    IPC分类号: G03B17/00

    CPC分类号: G03B17/00 Y10T74/18688

    摘要: A switching mechanism for a camera device includes a driving device, a first screw bar connecting to the driving device, a second screw bar connecting to the first screw bar, and a lead screw having an end coupled with the second screw bar. The first screw bar is driven by the driving device via a screw thread thereof, and the second screw bar is driven by the first screw bar via a screw thread thereof, thereby driving the lead screw for rotation. The screw nut is disposed on the lead screw and moved back and forth via the rotation of the lead screw. Two stop blocks disposed at two ends of the lead screw respectively are to limit two positions of the moved screw nut while the screw nut is moved beyond a threaded area of the lead screw, upon which time the screw nut is slightly engaged with the lead screw.

    摘要翻译: 用于相机装置的切换机构包括驱动装置,连接到驱动装置的第一螺杆,连接到第一螺杆的第二螺杆和具有与第二螺杆连接的端部的导螺杆。 第一螺杆通过其螺纹由驱动装置驱动,第二螺杆由第一螺杆经由其螺纹驱动,从而驱动丝杠旋转。 丝杠螺母设置在导螺杆上,并通过导螺杆的旋转来回移动。 分别设置在导螺杆的两端的两个止动块分别限制了移动的螺母的两个位置,同时螺母被移动超过导螺杆的螺纹区域,此时螺母与导螺杆稍微接合 。

    SWITCHING MECHANISM FOR VIDEO CAMERA
    10.
    发明申请
    SWITCHING MECHANISM FOR VIDEO CAMERA 有权
    视频摄像机的切换机制

    公开(公告)号:US20110007206A1

    公开(公告)日:2011-01-13

    申请号:US12499268

    申请日:2009-07-08

    IPC分类号: H04N5/225

    CPC分类号: H04N5/2254 G02B26/007

    摘要: A switching mechanism for a video camera includes: a control unit; a driving device connected with and controlled by the control unit; a first belt pulley connected with the driving device; a second belt pulley smaller than the first belt pulley in diameter; a belt looped around the first and second belt pulleys for power transmission, and including a first protuberance; a translation member provided with a second protuberance so that through a loose fitting connection between the two protuberances, the translation member is driven to move; and a positioning element having a positioning plane, at least two inclines, and at least two top surfaces, wherein the positioning plane and the at least two inclines are designed to contact the second protuberance of the translation member alternately so as to restrict and reposition the translation member.

    摘要翻译: 一种用于摄像机的切换机构包括:控制单元; 与控制单元连接并由控制单元控制的驱动装置; 与驱动装置连接的第一皮带轮; 直径小于第一皮带轮的第二皮带轮; 环绕所述第一和第二带轮的动力传递的带,并且包括第一突起; 翻译构件,其设置有第二突起,使得通过两个突起之间的松配合连接,平移构件被驱动移动; 以及具有定位平面,至少两个倾斜和至少两个顶表面的定位元件,其中所述定位平面和所述至少两个倾斜被设计成交替地接触所述平移构件的所述第二突起,以限制和重新定位 翻译会员