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1. 发明授权

US06556309B1 Conservation of printer memory on the composition page in response to page pipe feedback 失效
标题翻译：响应页面管道反馈，在组合页面上保存打印机内存
公开(公告)号：US06556309B1
公开(公告)日：2003-04-29
申请号：US09141790
申请日：1998-08-28
申请人： Russell Campbell , Timothy P. Blair , David L. Lanning
发明人： Russell Campbell , Timothy P. Blair , David L. Lanning
IPC分类号： G06F1500
CPC分类号： G06F3/122 , G06F3/1211 , G06F3/1242 , G06F3/1244 , G06F3/125 , G06F3/1284 , G06K15/00 , G06K15/186 , G06K15/1861 , G06K15/1863 , G06K15/1865
摘要： An imaging device and method provide memory management tasks on data of a page being composed in response to feedback generated by memory management tasks that are performed on pages in the page pipe that are waiting to be imaged. The feedback is throttled relative to memory management tasks that occur in the pipe. Advantageously, the memory management tasks are performed on the page being composed without waiting for an already composed page to finish imaging. Accordingly, page throughput of a multi-page print job is improved. The memory management tasks include compressing, relocating, and/or compressing and relocating data. Page data on which the memory management tasks are performed include raster patches, fonts, patterns, video bands, monster bands and vector bands. Atomic operations and/or a critical section locking mechanism provide collision avoidance as between the memory management tasks performed on data in the pipe and a video imaging task.
摘要翻译：成像设备和方法针对正在等待被成像的页面管道中的页面上执行的由存储器管理任务产生的反馈而构成的页面的数据提供存储器管理任务。相对于在管道中发生的内存管理任务，反馈被限制。有利地，在正在组成的页面上执行存储器管理任务，而不等待已经组合的页面来完成成像。因此，提高了多页打印作业的页面吞吐量。内存管理任务包括压缩，重定位和/或压缩和重定位数据。执行内存管理任务的页面数据包括光栅补丁，字体，模式，视频带，怪兽乐队和矢量乐队。原子操作和/或关键部分锁定机制提供了在对管道中的数据和视频成像任务执行的存储器管理任务之间的冲突避免。

2. 发明授权

US06286088B1 Memory management system and method for relocating memory 失效
标题翻译：内存管理系统和存储器重定位方法
公开(公告)号：US06286088B1
公开(公告)日：2001-09-04
申请号：US09340601
申请日：1999-06-28
申请人： Russell Campbell , David L. Lanning , Timothy P. Blair
发明人： Russell Campbell , David L. Lanning , Timothy P. Blair
IPC分类号： G06F1200
CPC分类号： G06F12/023
摘要： A memory management system usable with a client is provided. The memory defines a memory space including at least one memory buffer, and the memory buffer is defined by a set of attributes including base address and size. The memory includes a fixed-simple memory allocation, having a link, and one of a relocatable simple memory allocation coupled with the link, a head of a complex memory allocation comprising multiple simple memory allocations, or a null simple memory allocation. A memory manager is coupled with the memory and is configured to manage specific instances of memory allocation usable by a client. A memory management interface is coupled with the memory manager and is configurable to enable a client to specify a request for a relocatable memory object. Processing circuitry is coupled with the memory and the memory management interface and is operative to detect a low memory condition. The memory manager is operative to relocate the memory object from one physical location in memory to another physical location in memory to generate a sufficiently large contiguous free memory block for the client so as to overcome the low memory condition. A method is also provided.
摘要翻译：提供了可与客户端一起使用的存储器管理系统。存储器定义包括至少一个存储器缓冲器的存储器空间，并且存储器缓冲器由包括基地址和大小的一组属性定义。存储器包括具有链路的固定简单存储器分配和与链路耦合的可重新定位的简单存储器分配之一，包括多个简单存储器分配的复杂存储器分配的头部或空简单存储器分配。存储器管理器与存储器耦合并且被配置为管理由客户端可用的存储器分配的特定实例。存储器管理接口与存储器管理器耦合，并且可配置为使得客户端能够指定对可重定位存储器对象的请求。处理电路与存储器和存储器管理接口耦合，并且可操作以检测低存储器条件。存储器管理器可操作地将存储器对象从存储器中的一个物理位置重新定位到存储器中的另一个物理位置，以便为客户端生成足够大的连续空闲存储块，从而克服低存储器条件。还提供了一种方法。

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