Method for providing a crypto key and checkword to an encryption device
    1.
    发明申请
    Method for providing a crypto key and checkword to an encryption device 失效
    用于向加密设备提供加密密钥和检查词的方法

    公开(公告)号:US20050036625A1

    公开(公告)日:2005-02-17

    申请号:US10928875

    申请日:2004-08-19

    CPC classification number: H04L9/0894

    Abstract: A method for storing a crypto key and an associated checkword of the crypto key stored in a non-volatile memory within a micrcontroller and then providing the crypto key and associated checkword to an encryption device. The method next loads the crypto key and associated checkword into the encryption device.

    Abstract translation: 一种用于存储存储在微控制器内的非易失性存储器中的密码的加密密钥和相关联密钥的方法,然后将加密密钥和关联的检查词提供给加密设备。 该方法接下来将加密密钥和关联的检查词加载到加密设备中。

    Digital audio signal processing circuit
    2.
    发明授权
    Digital audio signal processing circuit 失效
    数字音频信号处理电路

    公开(公告)号:US5436943A

    公开(公告)日:1995-07-25

    申请号:US897647

    申请日:1992-06-12

    Applicant: Gary Borgen

    Inventor: Gary Borgen

    CPC classification number: G11B20/10527 G11B20/22

    Abstract: A digital audio signal processing circuit for eliminating the amplitude and phase components of logic induced modulation from a left right clock signal, a bit clock signal and digital data bits generated by a digital signal processor within a compact disk player. The digital audio signal processing circuit includes a trio of optical couplers for removing the amplitude component of logic induced modulation from the left right clock signal, the bit clock signal and the digital data bits; a clock circuit for generating a system clock signal and a trio of D Flip-Flops for removing the phase component of logic induced modulation from the left right clock signal, the bit clock signal and the digital data bits and a digital to analog converter for separating the data bits into left channel data bits and right channel data bits and for converting the left channel data bits into a first analog signal and the right channel data bits into a second analog signal for use by speakers or the like to provide stereo sound. An isolated power supply provides both analog and digital voltages to the electronic elements of digital audio signal processing circuit.

    Abstract translation: 一种数字音频信号处理电路,用于消除来自左右时钟信号的逻辑感应调制的振幅和相位分量,位时钟信号和由光盘播放器内的数字信号处理器产生的数字数据位。 数字音频信号处理电路包括三个光耦合器,用于从左右时钟信号,位时钟信号和数字数据位中去除逻辑感应调制的振幅分量; 用于产生系统时钟信号的时钟电路和用于从左右时钟信号,位时钟信号和数字数据位除去逻辑感应调制的相位分量的D触发器三分之一和用于分离的数模转换器 将数据位转换为左声道数据位和右声道数据位,并将左声道数据位转换为第一模拟信号,将右声道数据位转换为第二模拟信号,供扬声器等使用以提供立体声。 隔离电源为数字音频信号处理电路的电子元件提供模拟和数字电压。

    Miniaturized pulse code modulation encoder
    3.
    发明申请
    Miniaturized pulse code modulation encoder 失效
    小型化脉码调制编码器

    公开(公告)号:US20060039484A1

    公开(公告)日:2006-02-23

    申请号:US10914778

    申请日:2004-08-05

    CPC classification number: H04B14/04

    Abstract: A PCM encoder which receives asynchronous serial data and incorporating the serial data and eight channels of analog data into a PCM data stream. The encoder includes a microprocessor which processes the serial data provided in eight bit digital words and the analog data which the microprocessor converts to twelve bit digital words. The encoder also has a programmable gate array which receives six bits of data during each transfer of data from the microprocessor to the gate array. The gate array for the PCM encoder also receives a Frame Sync, and then processes the data to provide a data stream containing NRZL data and Bi Phase data.

    Abstract translation: PCM编码器接收异步串行数据并将串行数据和八通道模拟数据合并到PCM数据流中。 编码器包括一个微处理器,它处理八位数字字中提供的串行数据和微处理器转换为十二位数字字的模拟数据。 编码器还具有可编程门阵列,其在从微处理器到门阵列的每次数据传送期间接收6位数据。 用于PCM编码器的门阵列还接收帧同步,然后处理数据以提供包含NRZL数据和Bi相数据的数据流。

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