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    • 4. 发明公开
    • 버퍼를 업데이트하기 위한 방법들 및 시스템들
    • 更新缓冲区的方法和系统
    • KR1020070086398A
    • 2007-08-27
    • KR1020077013826
    • 2005-11-23
    • 퀄컴 인코포레이티드
    • 윌리,조지에이.스틸레,브라이언
    • G06F13/14G06F9/44H04J3/12
    • G09G5/006G09G5/393H04J3/047H04W88/02G06F8/65G06F9/5061
    • The present invention relates to methods and systems for updating a buffer. In one aspect, the present invention provides a method for updating a buffer, which includes strategically writing to the buffer to enable concurrent read and write to the buffer. The method eliminates the need for double buffering, thereby resulting in implementation cost and space savings compared to conventional buffering approaches. The method also prevents image tearing when used to update a frame buffer associated with a display, but is not limited to such applications. In another aspect, the present invention provides efficient mechanisms to enable buffer update across a communication link. In one example, the present invention provides a method for relaying timing information across a communication link.
    • 本发明涉及用于更新缓冲器的方法和系统。 一方面,本发明提供了一种用于更新缓冲器的方法,其包括对缓冲器进行战略性地写入,以便能够对缓冲器进行并行读写。 该方法消除了对双缓冲的需要,从而与常规缓冲方法相比,导致实现成本和空间节省。 当用于更新与显示器相关联的帧缓冲器时,该方法还防止图像撕裂,但不限于此类应用。 在另一方面,本发明提供了有效的机制来实现跨越通信链路的缓冲器更新。 在一个示例中,本发明提供了一种用于在通信链路上中继定时信息的方法。
    • 5. 发明公开
    • 3-위상 및 극성 인코딩된 직렬 인터페이스
    • 三相和极性编码串行接口
    • KR1020090115977A
    • 2009-11-10
    • KR1020097020594
    • 2008-02-29
    • 퀄컴 인코포레이티드
    • 윌리,조지에이.
    • H04L5/20H04L5/04
    • H04L25/4917H04L5/20H04L7/033H04L25/0272H04L25/0282H04L25/0294H04L25/0298H04L27/22
    • A high speed serial interface is provided. In one aspect, the high speed serial interface uses three phase modulation for jointly encoding data and clock information. Accordingly, the need for de-skewing circuitry at the receiving end of the interface is eliminated, resulting in reduced link start-up time and improved link efficiency and power consumption. In one embodiment, the high speed serial interface uses fewer signal conductors than conventional systems having separate conductors for data and clock information. In another embodiment, the serial interface allows for data to be transmitted at any speed without the receiving end having prior knowledge of the transmission data rate. In another aspect, the high speed serial interface uses polarity encoded three phase modulation for jointly encoding data and clock information. This further increases the link capacity of the serial interface by allowing for more than one bit to be transmitted in any single baud interval.
    • 提供了高速串行接口。 一方面,高速串行接口使用三相调制来共同编码数据和时钟信息。 因此,消除了在接口的接收端处对偏斜电路的需要,从而减少了链路启动时间,并提高了链路效率和功耗。 在一个实施例中,高速串行接口使用比具有用于数据和时钟信息的单独导体的传统系统更少的信号导体。 在另一个实施例中,串行接口允许以任何速度发送数据,而没有接收端具有传输数据速率的先前知识。 另一方面,高速串行接口使用极性编码的三相调制来共同编码数据和时钟信息。 这进一步增加了串行接口的链路容量,允许在任何单个波特率间隔内传输多于一个位。
    • 7. 发明公开
    • 순환 중복 검사들을 구현하기 위한 시스템들 및 방법들
    • 用于实施循环冗余检查的系统和方法
    • KR1020070088713A
    • 2007-08-29
    • KR1020077013823
    • 2005-11-23
    • 퀄컴 인코포레이티드
    • 스틸레,브라이언윌리,조지에이.
    • H04J3/12H04J3/16H04J3/22
    • H04L7/10G09G5/006G09G2370/045G09G2370/10H04L7/048
    • The present invention provides systems and methods for implementing cyclic redundancy checks to improve link initialization processing and to exchange system error information. In one aspect, a cyclic redundancy check (CRC) checker is provided that includes a unique pattern detector, a CRC generator, a CRC initializer and a CRC verifier. The CRC checker prepopulates the CRC generator for a unique pattern. Upon receipt of the unique pattern within a data stream received over a digital transmission link, the CRC checker proceeds to check CRCs without the need to queue and store data. In another aspect, a CRC generator system is provided that intentionally corrupts CRC values to transmit system error information. The CRC generator system includes a CRC generator, a CRC corrupter, an error detector and an error value generator. In one example, the digital transmission link is an MDDI link.
    • 本发明提供了用于实现循环冗余检查以改善链路初始化处理和交换系统错误信息的系统和方法。 在一个方面,提供了包括唯一模式检测器,CRC发生器,CRC初始化器和CRC校验器的循环冗余校验(CRC)校验器。 CRC校验器预先为CRC生成器提供了一个独特的模式。 在接收到通过数字传输链路接收的数据流中的唯一模式之后,CRC检查器继续检查CRC,而不需要排队和存储数据。 在另一方面,提供了一种CRC发生器系统,其有意地破坏CRC值以传输系统错误信息。 CRC发生器系统包括CRC发生器,CRC腐蚀器,误差检测器和误差值发生器。 在一个示例中,数字传输链路是MDDI链路。