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    • 1. 发明申请
    • METHOD FOR VOLUME ADAPTATION, MOBILE ELECTRONIC DEVICE AND COMPUTER PROGRAM PRODUCT USING THE METHOD THEREOF
    • 用于体积适配的方法,移动电子设备和使用其方法的计算机程序产品
    • US20100166196A1
    • 2010-07-01
    • US12479044
    • 2009-06-05
    • CHUN CHENXu-Jun QiuTony Tsai
    • CHUN CHENXu-Jun QiuTony Tsai
    • H03G3/20
    • H03G3/32
    • A method for volume adaptation, a mobile electronic device and a computer program product are disclosed. According to the method for volume adaptation, a sound producing function is started. At intervals, a present first environmental noise is sampled, a present set playing volume of the mobile electronic device is inquired about, and a second environmental noise occurring on setting the playing volume is obtained. Finally, the playing volume is adjusted according to the first environmental noise and the second environmental noise. In this way, the present invention is able to automatically adjust the playing volume thereof in response to the environmental noises of different times, which largely increases the convenience of using the mobile electronic device.
    • 公开了一种体积适配方法,移动电子设备和计算机程序产品。 根据音量适应的方法,开始声音产生功能。 间隔地,对当前的第一环境噪声进行采样,查询移动电子设备的当前设置的播放音量,并且获得在设置播放音量时发生的第二环境噪声。 最后,根据第一次环境噪声和第二次环境噪声调节播放音量。 以这种方式,本发明能够响应于不同时间的环境噪声来自动调整其播放音量,这大大增加了使用移动电子设备的便利性。
    • 2. 发明申请
    • Basic Matrix, Coder/Encoder and Generation Method of the Low Density Parity Check Codes
    • 基本矩阵,编码器/编码器和低密度奇偶校验码的生成方法
    • US20090106625A1
    • 2009-04-23
    • US11718701
    • 2005-04-25
    • Xu JunYougang ZhangLiuqing Yuan
    • Xu JunYougang ZhangLiuqing Yuan
    • H03M13/00G06F11/10
    • H03M13/11G11B20/18H04L1/0041H04L1/005H04L1/0057
    • The invention relates to a base matrix, a encoder/decoder of Low Density Parity Check (LDPC) codes and a generation method thereof. The encoder/decoder is determined uniquely by the parity check matrix of the LDPC codes. With different code sizes, said parity check matrix can be obtained by expanding different base matrixes, and also can be obtained by expanding a unique base matrix after correction. Elements of said base matrix must meet an inequation in which the girth value is up to the standard, e.g. when girth ≧6, for any element i, j, k, l in the matrix which forms the short loop having a length of 4 in anticlockwise, there are always mod(i−j+k−l, z) unequal to 0. By this invention, the girth of the constructed base matrix is made as large as possible, the amount of the shortest loops is as few as possible when it is the same girth, thus the curve of bit error ratio (BER) is dropped quickly, the error floor of the LDPC codes is eliminated effectively, and the optimal performance of the LDPC codes is obtained.
    • 本发明涉及基本矩阵,低密度奇偶校验(LDPC)码的编码器/解码器及其生成方法。 编码器/解码器由LDPC码的奇偶校验矩阵唯一地确定。 对于不同的代码大小,可以通过扩展不同的基本矩阵来获得所述奇偶校验矩阵,并且也可以通过在校正之后扩展唯一的基本矩阵来获得。 所述基础矩阵的元素必须满足不等式,其中周长值达到标准,例如。 当girth> = 6时,对于形成逆时针长度为4的短循环的矩阵中的任何元素i,j,k,l,总是mod(i-j + kl,z)不等于0.通过 本发明构造的基本矩阵的周长尽可能大,当周长相同时,最短循环的数量尽可能少,因此误码率(BER)的曲线快速下降, 有效消除了LDPC码的误差底层,获得了LDPC码的最优性能。
    • 3. 发明授权
    • Method for volume adaptation, mobile electronic device and computer program product using the method thereof
    • 用于音量适应的方法,移动电子设备和使用其方法的计算机程序产品
    • US08116464B2
    • 2012-02-14
    • US12479044
    • 2009-06-05
    • Chun ChenXu-Jun QiuTony Tsai
    • Chun ChenXu-Jun QiuTony Tsai
    • H03G3/20
    • H03G3/32
    • A method for volume adaptation, a mobile electronic device and a computer program product are disclosed. According to the method for volume adaptation, a sound producing function is started. At intervals, a present first environmental noise is sampled, a present set playing volume of the mobile electronic device is inquired about, and a second environmental noise occurring on setting the playing volume is obtained. Finally, the playing volume is adjusted according to the first environmental noise and the second environmental noise. In this way, the present invention is able to automatically adjust the playing volume thereof in response to the environmental noises of different times, which largely increases the convenience of using the mobile electronic device.
    • 公开了一种体积适配方法,移动电子设备和计算机程序产品。 根据音量适应的方法,开始声音产生功能。 间隔地,对当前的第一环境噪声进行采样,查询移动电子设备的当前设置的播放音量,并且获得在设置播放音量时发生的第二环境噪声。 最后,根据第一次环境噪声和第二次环境噪声调节播放音量。 以这种方式,本发明能够响应于不同时间的环境噪声来自动调整其播放音量,这大大增加了使用移动电子设备的便利性。
    • 5. 发明授权
    • Basic matrix, coder/encoder and generation method of the low density parity check codes
    • 基本矩阵,编码器/编码器和低密度奇偶校验码的生成方法
    • US08185797B2
    • 2012-05-22
    • US11718701
    • 2005-04-25
    • Xu JunYougang ZhangLiuqing Yuan
    • Xu JunYougang ZhangLiuqing Yuan
    • H03M13/00
    • H03M13/11G11B20/18H04L1/0041H04L1/005H04L1/0057
    • The invention relates to a base matrix, a encoder/decoder of Low Density Parity Check (LDPC) codes and a generation method thereof. The encoder/decoder is determined uniquely by the parity check matrix of the LDPC codes. With different code sizes, said parity check matrix can be obtained by expanding different base matrixes, and also can be obtained by expanding a unique base matrix after correction. Elements of said base matrix must meet an inequation in which the girth value is up to the standard, e.g. when girth≧6, for any element i, j, k, l in the matrix which forms the short loop having a length of 4 in anticlockwise, there are always mod(i−j+k−l, z) unequal to 0. By this invention, the girth of the constructed base matrix is made as large as possible, the amount of the shortest loops is as few as possible when it is the same girth, thus the curve of bit error ratio (BER) is dropped quickly, the error floor of the LDPC codes is eliminated effectively, and the optimal performance of the LDPC codes is obtained.
    • 本发明涉及基本矩阵,低密度奇偶校验(LDPC)码的编码器/解码器及其生成方法。 编码器/解码器由LDPC码的奇偶校验矩阵唯一地确定。 对于不同的代码大小,可以通过扩展不同的基本矩阵来获得所述奇偶校验矩阵,并且也可以通过在校正之后扩展唯一的基本矩阵来获得。 所述基础矩阵的元素必须满足不等式,其中周长值达到标准,例如。 当周长≥6时,对于在逆时针方向形成长度为4的短环的矩阵中的任何元素i,j,k,l,总是存在不等于0的mod(i-j + k-1,z)。 通过本发明,构造的基本矩阵的周长尽可能大,当周长相同时,最短循环的数量尽可能少,因此误码率(BER)的曲线快速下降, 有效地消除了LDPC码的误差底层,并获得了LDPC码的最优性能。
    • 6. 发明授权
    • Computer database synchronization method
    • 计算机数据库同步方法
    • US6081806A
    • 2000-06-27
    • US7467
    • 1998-01-15
    • Ching-Sung ChangShih-Kuang TsaiDai-Shui HoXu-Jun Qiu
    • Ching-Sung ChangShih-Kuang TsaiDai-Shui HoXu-Jun Qiu
    • G06F17/30
    • G06F17/30581Y10S707/99938Y10S707/99952Y10S707/99953
    • In a computer database synchronization method, a first database with first object data and a second database with second object data are established in a personal computer and an electronic dictionary, respectively. First and second synchronization status tables are established for each of the first and second object data, respectively. The synchronization status tables are modified from a first state, indicating that the corresponding object data is synchronized with the first or second database, to a second state, indicating that the corresponding object data is not synchronized with the first or second database, when the corresponding object data is edited. Synchronizing of the first and second databases can begin when a communications link is established between the personal computer and the electronic dictionary. During synchronizing, the personal computer retrieves the second synchronization status tables from the electronic dictionary, and compares the second synchronization status tables with the corresponding first synchronization status tables. Based on the results of the comparison, the personal computer retrieves the corresponding second object data from the electronic dictionary, and updates the first database with the retrieved second object data, or transmits the corresponding first object data to the electronic dictionary for updating the second database with the transmitted first object data.
    • 在计算机数据库同步方法中,分别在个人计算机和电子词典中建立具有第一对象数据的第一数据库和具有第二对象数据的第二数据库。 分别为第一和第二对象数据中的每一个建立第一和第二同步状态表。 同步状态表从第一状态被修改,指示对应的对象数据与第一或第二数据库同步到第二状态,指示相应的对象数据与第一或第二数据库不同步,当对应 对象数据进行编辑。 当在个人计算机和电子词典之间建立通信链路时,可以开始同步第一和第二数据库。 在同步期间,个人计算机从电子词典检索第二同步状态表,并将第二同步状态表与对应的第一同步状态表进行比较。 基于比较的结果,个人计算机从电子词典检索相应的第二对象数据,并用检索到的第二对象数据更新第一数据库,或者将相应的第一对象数据发送到用于更新第二数据库的电子词典 与发送的第一对象数据。