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    • 34. 发明授权
    • Licensing method for use with an imaging device
    • 用于成像设备的许可方法
    • US07589850B2
    • 2009-09-15
    • US10334660
    • 2002-12-30
    • Christopher Alan AdkinsTimothy StrunkJohn Dennis Zbrozek
    • Christopher Alan AdkinsTimothy StrunkJohn Dennis Zbrozek
    • G06F3/12G06K15/00
    • G06Q30/06G06F21/10G06F21/84G06Q50/06
    • A licensing method includes the steps of establishing a licensing vendor; providing an imaging device that uses an imaging media in forming printed images on print media, the imaging media including an initial supply amount of an imaging substance; associating a usage license with at least one of the imaging device and the imaging media, the usage license defining a first usage threshold at which a consumer is prompted to acquire a new license; and providing a license monitoring mechanism communicatively coupled with the imaging device, the license monitoring mechanism performing the steps of tracking an amount of usage of the imaging media by the imaging device; determining whether the amount of usage of the imaging media by the imaging device has reached a usage threshold; and upon reaching the usage threshold, then prompting the consumer to acquire the new license from the licensing vendor.
    • 许可方法包括建立许可证供应商的步骤; 提供使用成像介质在打印介质上形成打印图像的成像装置,所述成像介质包括成像物质的初始供给量; 将使用许可证与成像设备和成像介质中的至少一个相关联,所述使用许可证定义了消费者被提示获取新许可证的第一使用阈值; 并且提供与所述成像装置通信地耦合的许可证监视机构,所述许可证监视机构执行跟踪所述成像装置对所述成像介质的使用量的步骤; 确定成像设备的成像介质的使用量是否已经达到使用阈值; 并在达到使用阈值后,提示消费者从授权供应商获取新许可。
    • 40. 发明授权
    • Method and apparatus for sampling digital data at a virtually constant rate, and transferring that data into a non-constant sampling rate device
    • 用于以几乎恒定的速率对数字数据进行采样并将该数据传送到非恒定采样率装置的方法和装置
    • US06865241B1
    • 2005-03-08
    • US09464312
    • 1999-12-15
    • Christopher Alan AdkinsDavid Allen Crutchfield
    • Christopher Alan AdkinsDavid Allen Crutchfield
    • G06F13/00G06F13/40
    • G06F13/4059
    • An improved data acquisition system interface provides virtually constant sampling of input signals and provides those signals in a digitized format to a data acquisition unit that may not be able to sample at a constant rate without missing or “losing” some of the samples. The present invention acts as a front end interface that temporarily latches the sampled data, expands the data into multiple parallel signals, then stores the multiple parallel signals in a dual-port FIFO memory unit. Finally, the multiple parallel signals are transferred into the data acquisition unit at a lower frequency, and the transfer operations take place only when the data acquisition unit is ready to accept data. Since the front end misses no sampling intervals (i.e., it always takes a sample according to an extremely constant frequency crystal clock), then the data acquisition unit will be provided with all of these samples without losing any data. The only requirement is that the data throughput of the multiple parallel signals into the data acquisition unit be greater than or equal to the data sampling rate of the original signal at the front end. The present invention can be used with pure digital signals to capture their precise times of logic state transitions, or with serial data signals in which the precise moments of transition can be used to decipher the serial data. Moreover, the interface can be used with analog signals that are digitized using an analog-to-digital converter.
    • 改进的数据采集系统接口实际上提供输入信号的实际恒定采样,并将数字化格式的那些信号提供给数据采集单元,该数据采集单元可能无法以恒定速率进行采样而不丢失或“丢失”某些采样。 本发明用作临时锁存采样数据的前端接口,将数据扩展成多个并行信号,然后将多个并行信号存储在双端口FIFO存储器单元中。 最后,多个并行信号以较低的频率被传送到数据采集单元中,并且传输操作仅在数据采集单元准备好接收数据时进行。 由于前端没有错误的采样间隔(即,它总是根据非常恒定的频率晶体时钟采样),所以数据采集单元将被提供所有这些采样而不丢失任何数据。 唯一的要求是数据采集单元中的多个并行信号的数据吞吐量大于或等于前端原始信号的数据采样率。 本发明可以与纯数字信号一起使用以捕获它们的逻辑状态转换的精确时间,或者利用串行数据信号,其中可以使用精确转换时刻来解码串行数据。 此外,该接口可以与使用模拟 - 数字转换器数字化的模拟信号一起使用。