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    • 1. 发明授权
    • Kernel abstraction layer for digital television set-top box firmware
    • 数字电视机顶盒固件的内核抽象层
    • US06721949B1
    • 2004-04-13
    • US09535899
    • 2000-03-27
    • Donald TavolettiJeffrey T. DavisChris Del SordoJack M. Birnbaum
    • Donald TavolettiJeffrey T. DavisChris Del SordoJack M. Birnbaum
    • G06F15163
    • G06F9/4843
    • A method and apparatus for providing abstraction layers in the hierarchical structure of a set-top terminal to enable the set-top's firmware to be compatible with different operating systems. An operating system (OS) kernel interface is provided using a first OS abstraction layer that is OS-independent, and a second abstraction layer that is OS-dependent. The interface enables the terminal's firmware to access the kernel's set of functions independently of the OS. The abstraction layers provide an interface for kernel functions for the following kernel constructs: Timers, Threads, Memory, Synchronization and Messaging. The invention benefits terminal manufacturers and developers as well as network operators by allowing set-top firmware to run without modifications due to a change in the set-top's OS.
    • 一种用于在机顶终端的层次结构中提供抽象层的方法和装置,以使机顶盒的固件能够与不同的操作系统兼容。 使用与OS无关的第一OS抽象层和与OS相关的第二抽象层来提供操作系统(OS)内核接口。 该接口使终端的固件能够独立于操作系统访问内核的一组功能。 抽象层为以下内核结构的内核函数提供了一个接口:定时器,线程,内存,同步和消息传递。 由于机顶盒的操作系统的改变,允许机顶盒固件无需修改即可运行终端制造商和开发人员以及网络运营商。
    • 2. 发明授权
    • Dynamic detection of hardware configuration in a digital terminal
    • 动态检测数字终端中的硬件配置
    • US06453470B1
    • 2002-09-17
    • US09410010
    • 1999-09-30
    • Robert GazdaDavid A. PrezuhyJack M. BirnbaumRocky C. TorsitanoChris Del Sordo
    • Robert GazdaDavid A. PrezuhyJack M. BirnbaumRocky C. TorsitanoChris Del Sordo
    • G06F9445
    • G06F8/64G06F8/61
    • A method and apparatus for detecting a hardware configuration in a digital terminal, and, in response, selecting a corresponding executable software path for initializing the hardware. All terminals in a digital communication network, such as a television network, are provided with a single common set-top firmware/software object that contains all software components required to run on all hardware platforms. The total amount of software needed at the terminals is reduced over prior art schemes since the common software object includes software that is common to the different hardware component types only once, instead of providing a different object for each hardware type which results in duplication of the common software. The software from the software object can execute on platforms with different hardware components and circuits. This provides freedom to the network operator to select terminals with reduced cost components, e.g., from different manufacturers. Additionally, the system avoids the need to provide different software to the terminals based on their hardware platform type.
    • 一种用于检测数字终端中的硬件配置的方法和装置,并且作为响应,选择相应的可执行软件路径来初始化硬件。 诸如电视网络的数字通信网络中的所有终端都具有单个公共机顶固件/软件对象,其包含在所有硬件平台上运行所需的所有软件组件。 与现有技术方案相比,终端所需的软件总量减少了,因为公共软件对象包括仅对不同硬件组件类型共同的软件一次,而不是为每个硬件类型提供不同的对象,导致重复 通用软件。 来自软件对象的软件可以在具有不同硬件组件和电路的平台上执行。 这为网络运营商提供了自动地选择具有降低的成本组件的终端,例如来自不同的制造商。 另外,该系统避免了基于硬件平台类型向终端提供不同软件的需要。