Multipurpose radio
    61.
    发明申请
    Multipurpose radio 失效
    多功能收音机

    公开(公告)号:US20080106149A1

    公开(公告)日:2008-05-08

    申请号:US11591642

    申请日:2006-11-02

    Applicant: Jen-Yen Yen

    Inventor: Jen-Yen Yen

    Abstract: A multipurpose radio is disclosed to include a power control unit, which uses a rechargeable battery to provide the necessary working voltage to a LED lamp for illumination, a hand-driven dynamo to generate electricity for recharging the rechargeable battery, a power adapter for charging the rechargeable battery with city power supply, a radio circuit unit for receiving AM and FM radio broadcasting signals, TV audio signals and NOAA signals, and a function mode display unit, which uses a speaker for voice output, a screen for data display, and a selector key for frequency selection.

    Abstract translation: 公开了一种多用途无线电设备,其包括功率控制单元,其使用可再充电电池为LED照明灯提供必要的工作电压,手动发电机发电以再充电可充电电池;电源适配器, 具有城市电源的可充电电池,用于接收AM和FM无线电广播信号的无线电电路单元,TV音频信号和NOAA信号,以及使用扬声器进行语音输出的功能模式显示单元,用于数据显示的屏幕和 频率选择键选择键。

    VOLTAGE CONVERSION DEVICE HAVING NON-LINEAR GAIN AND CHANGEABLE GAIN POLARITY
    62.
    发明申请
    VOLTAGE CONVERSION DEVICE HAVING NON-LINEAR GAIN AND CHANGEABLE GAIN POLARITY 失效
    具有非线性增益和可变增益极性的电压转换器件

    公开(公告)号:US20080100376A1

    公开(公告)日:2008-05-01

    申请号:US11685207

    申请日:2007-03-13

    Applicant: Chih-Jen Yen

    Inventor: Chih-Jen Yen

    Abstract: A voltage conversion device having non-linear gain and changeable gain polarity includes a switch module, a gain decision module, a first voltage selection module, a second voltage selection module, a first switch unit, a second switch unit and a voltage output module. The switch module is used for outputting analog voltage provided by the analog voltage source or voltage corresponding to the system ground end. The gain decision module is used for determining a gain. The first voltage selection module is used for outputting a first DC voltage. The second voltage selection module is used for outputting a second DC voltage. The first switch unit is used for outputting the first DC voltage. The second switch unit is used for outputting the second DC voltage. The voltage output module is used for outputting an amplified result of a DC voltage according to the gain.

    Abstract translation: 具有非线性增益和可变增益极性的电压转换装置包括开关模块,增益决定模块,第一电压选择模块,第二电压选择模块,第一开关单元,第二开关单元和电压输出模块。 开关模块用于输出由模拟电压源提供的模拟电压或对应于系统接地端的电压。 增益决定模块用于确定增益。 第一电压选择模块用于输出第一直流电压。 第二电压选择模块用于输出第二直流电压。 第一开关单元用于输出第一直流电压。 第二开关单元用于输出第二直流电压。 电压输出模块用于根据增益输出直流电压的放大结果。

    Voltage conversion device having non-linear gain and changeable gain polarity
    63.
    发明授权
    Voltage conversion device having non-linear gain and changeable gain polarity 失效
    具有非线性增益和可变增益极性的电压转换装置

    公开(公告)号:US07365666B1

    公开(公告)日:2008-04-29

    申请号:US11685207

    申请日:2007-03-13

    Applicant: Chih-Jen Yen

    Inventor: Chih-Jen Yen

    Abstract: A voltage conversion device having non-linear gain and changeable gain polarity includes a switch module, a gain decision module, a first voltage selection module, a second voltage selection module, a first switch unit, a second switch unit and a voltage output module. The switch module is used for outputting analog voltage provided by the analog voltage source or voltage corresponding to the system ground end. The gain decision module is used for determining a gain. The first voltage selection module is used for outputting a first DC voltage. The second voltage selection module is used for outputting a second DC voltage. The first switch unit is used for outputting the first DC voltage. The second switch unit is used for outputting the second DC voltage. The voltage output module is used for outputting an amplified result of a DC voltage according to the gain.

    Abstract translation: 具有非线性增益和可变增益极性的电压转换装置包括开关模块,增益决定模块,第一电压选择模块,第二电压选择模块,第一开关单元,第二开关单元和电压输出模块。 开关模块用于输出由模拟电压源提供的模拟电压或对应于系统接地端的电压。 增益决定模块用于确定增益。 第一电压选择模块用于输出第一直流电压。 第二电压选择模块用于输出第二直流电压。 第一开关单元用于输出第一直流电压。 第二开关单元用于输出第二直流电压。 电压输出模块用于根据增益输出直流电压的放大结果。

    Digital-to-analog conversion device
    64.
    发明授权
    Digital-to-analog conversion device 失效
    数模转换器

    公开(公告)号:US07330380B2

    公开(公告)日:2008-02-12

    申请号:US11271425

    申请日:2005-11-09

    Applicant: Chih-Jen Yen

    Inventor: Chih-Jen Yen

    CPC classification number: H03M1/66

    Abstract: A digital-to-analog (D/A) conversion device including a data-latch unit, a D/A conversion unit and a gain amplifier is provided. Wherein, the amplitude of the supply voltages for the reference voltage of the D/A conversion unit is not greater than that of the data-latch unit so that the switches in a switch control unit of the D/A conversion unit can be fully turned on or off without using level-shift units. The output amplifier must have a gain to amplify the output signal of the D/A conversion unit to an expected voltage range.

    Abstract translation: 提供了包括数据锁存单元,D / A转换单元和增益放大器的数模(D / A)转换装置。 其中,D / A转换单元的参考电压的电源电压的振幅不大于数据锁存单元的电压,使得D / A转换单元的开关控制单元中的开关可以完全转动 无需使用电平转换单元。 输出放大器必须具有增益,将D / A转换单元的输出信号放大到预期的电压范围。

    Method for measuring the degree of crosslinking of pressure sensitive adhesive
    66.
    发明申请
    Method for measuring the degree of crosslinking of pressure sensitive adhesive 失效
    测量压敏粘合剂交联度的方法

    公开(公告)号:US20070139650A1

    公开(公告)日:2007-06-21

    申请号:US11453805

    申请日:2006-06-16

    CPC classification number: C09J133/04 G01N21/47 G01N2021/8928

    Abstract: A method for measuring the degree of crosslinking of pressure sensitive adhesive. The method, having the advantages of simple steps and short measuring time, comprises immersing a transparent substrate coated with a pressure sensitive adhesive in a solvent. After a specific period, the haze of the transparent substrate is measured. The obtained haze is compared with a predetermined reference, thereby determining the degree of crosslinking of the pressure sensitive adhesive.

    Abstract translation: 用于测量压敏粘合剂的交联度的方法。 具有简单步骤和短测量时间优点的方法包括将涂有压敏粘合剂的透明基材浸入溶剂中。 经过一定时间后,测量透明基板的雾度。 将获得的雾度与预定参考值进行比较,由此确定压敏粘合剂的交联度。

    Digital data driver and display device using the same

    公开(公告)号:US07233272B1

    公开(公告)日:2007-06-19

    申请号:US11403341

    申请日:2006-04-12

    Applicant: Chih-Jen Yen

    Inventor: Chih-Jen Yen

    CPC classification number: G09G3/3688 G09G3/20 G09G3/3696 G09G2310/027

    Abstract: A digital data driver including a receiving unit and a digital-to-analog (D/A) converting unit is provided. The D/A converting unit is used to convert N digital data outputted from the receiving unit into corresponding N analog data. The D/A converting unit includes a grey-level voltage generator and K sub D/A converting units. The grey-level voltage generator provides 2M grey-level voltages. The ith sub D/A converting unit includes 2M buffers and N K ⁢ D / A converters. In which, each buffer receives and outputs a corresponding grey-level voltage. The jth D/A converter receives the [ ( i - 1 ) × N K + j ] th digital data, and selects and outputs one of the grey-level voltages that passed the buffers as the [ ( i - 1 ) × N K + j ] th analog data according to the [ ( i - 1 ) × N K + j ] th digital data, where N, K, N K , i and j are the positive integers, 1 ≤ i ≤ K ⁢ ⁢ and ⁢ ⁢ 1 ≤ j ≤ N K .

    METHOD FOR REDUCING PHASE LOCK TIME AND JITTERING AND PHASE LOCK LOOP USING THE SAME
    68.
    发明申请
    METHOD FOR REDUCING PHASE LOCK TIME AND JITTERING AND PHASE LOCK LOOP USING THE SAME 有权
    减少相位锁定时间的方法和使用其相位锁相环

    公开(公告)号:US20070120610A1

    公开(公告)日:2007-05-31

    申请号:US11307882

    申请日:2006-02-27

    CPC classification number: H03L7/0898 H03L7/107 H03L7/1072 H03L7/18

    Abstract: A method for reducing phase lock time and jittering and a phase lock loop (PLL) using the same adapted for PLL including a charge pump (CP) which includes a pull-up and a pull-down networks used for controlling output voltage of the CP. The output voltage is used for controlling frequency and phase of an output signal of the PLL. The method includes: receiving a reference and a feedback signals; setting the driving capabilities of the pull-up and the pull-down networks to a first driving capability when the phase difference between the reference and the feedback signals is greater than a predetermined value; setting the driving capabilities of the pull-up and the pull-down networks to a second driving capability when the phase difference between the reference and the feedback signals is smaller than the predetermined value, wherein the first driving capability is greater than the second driving capability.

    Abstract translation: 一种减少相位锁定时间和抖动的方法以及使用适用于PLL的相位锁相环(PLL)的方法,该PLL包括一个电荷泵(CP),该电荷泵(CP)包括用于控制CP的输出电压的上拉和下拉网络 。 输出电压用于控制PLL输出信号的频率和相位。 该方法包括:接收参考和反馈信号; 当参考和反馈信号之间的相位差大于预定值时,将上拉和下拉网络的驱动能力设置为第一驱动能力; 当基准和反馈信号之间的相位差小于预定值时,将上拉和下拉网络的驱动能力设定为第二驱动能力,其中第一驱动能力大于第二驱动能力 。

    Digital-to-analog conversion device
    69.
    发明申请
    Digital-to-analog conversion device 失效
    数模转换器

    公开(公告)号:US20070064502A1

    公开(公告)日:2007-03-22

    申请号:US11271425

    申请日:2005-11-09

    Applicant: Chih-Jen Yen

    Inventor: Chih-Jen Yen

    CPC classification number: H03M1/66

    Abstract: A digital-to-analog (D/A) conversion device including a data-latch unit, a D/A conversion unit and a gain amplifier is provided. Wherein, the amplitude of the supply voltages for the reference voltage of the D/A conversion unit is not greater than that of the data-latch unit so that the switches in a switch control unit of the D/A conversion unit can be fully turned on or off without using level-shift units. The output amplifier must have a gain to amplify the output signal of the D/A conversion unit to an expected voltage range.

    Abstract translation: 提供了包括数据锁存单元,D / A转换单元和增益放大器的数模(D / A)转换装置。 其中,D / A转换单元的参考电压的电源电压的振幅不大于数据锁存单元的电压,使得D / A转换单元的开关控制单元中的开关可以完全转动 无需使用电平转换单元。 输出放大器必须具有增益,将D / A转换单元的输出信号放大到预期的电压范围。

    SAMPLE-AND-HOLD DEVICE
    70.
    发明申请
    SAMPLE-AND-HOLD DEVICE 有权
    样品保持装置

    公开(公告)号:US20070013416A1

    公开(公告)日:2007-01-18

    申请号:US11163355

    申请日:2005-10-17

    CPC classification number: G11C27/026 G11C27/02 G11C27/024

    Abstract: A sample-and-hold device including first and second capacitors, first and second switches, amplifier and feedback network is provided. The amplifier includes first and second input stages, output stage and switchable bias current source. The first switch and the first capacitor are coupled in series between input signal and first voltage, and a common node is coupled to a first positive input terminal of the amplifier. The first switch is on during first period and off during second period. The second switch and the second capacitor are coupled in series between the input signal and second voltage, and a common node is coupled to a second positive input terminal of the amplifier. The second switch is on during second period and off during first period. The switchable bias current source biases the second input stage during first period, and switches to bias the first input stage during second period.

    Abstract translation: 提供了包括第一和第二电容器,第一和第二开关,放大器和反馈网络的采样和保持装置。 放大器包括第一和第二输入级,输出级和可切换偏置电流源。 第一开关和第一电容器串联在输入信号和第一电压之间,并且公共节点耦合到放大器的第一正输入端。 第一个开关在第一个时间段内关闭,第二个时间段关闭。 第二开关和第二电容器串联在输入信号和第二电压之间,并且公共节点耦合到放大器的第二正输入端。 第二个开关在第二个时间段期间打开,第一个时间段关闭。 可切换偏置电流源在第一时段期间偏置第二输入级,并且在第二时段期间切换到偏置第一输入级。

Patent Agency Ranking