Local processing of received RFID tag responses
    61.
    发明申请
    Local processing of received RFID tag responses 有权
    接收RFID标签响应的本地处理

    公开(公告)号:US20070046432A1

    公开(公告)日:2007-03-01

    申请号:US11472179

    申请日:2006-06-20

    IPC分类号: H04Q5/22

    摘要: Radio frequency identification (RFID) tags selected for inventorying using combination of preselect and/or post select criteria. The selection commands can be for selecting according to a tag memory content, by invoking the mask address or by comparing other tag characteristics. Selection criteria can be determined locally at a modem block of a reader or provided to the modem block by higher layers of the reader. Tags meeting the selection criteria are reported to the higher layers for further actions. Some tags may be held while waiting for instructions from the higher layer block(s).

    摘要翻译: 使用预选和/或后选择标准的组合选择进行库存的射频识别(RFID)标签。 选择命令可以根据标签存储器内容,通过调用掩码地址或通过比较其他标签特征来进行选择。 选择标准可以在读取器的调制解调器块本地确定,或者由阅读器的较高层提供给调制解调器块。 满足选择标准的标签被报告给较高层以进行进一步的操作。 在等待来自较高层块的指令的同时可以保持一些标签。

    RFID tags calibrating backscattering period also for non-integer divide ratios
    64.
    发明申请
    RFID tags calibrating backscattering period also for non-integer divide ratios 有权
    RFID标签校准后向散射周期也用于非整数分频比

    公开(公告)号:US20060086810A1

    公开(公告)日:2006-04-27

    申请号:US11258521

    申请日:2005-10-24

    IPC分类号: G06K19/06

    CPC分类号: G06K19/0723

    摘要: An RFID tag that receives a calibration instruction from a reader can determine the basic backscatter period of the symbols to be backscattered. According to some embodiments, when the instruction includes a calibration feature that is to be divided by a divide ratio, the tag measures the duration of the feature in terms of numbers of internal pulses, resulting in a binary L-number. Then at least two versions of the L-number (PR1-number, PR2-number) are combined, so as to yield the effective result of the division alternately, even when the divide ratio is a non-integer. The backscatter period can then be determined from the BP-number and the period of the internal pulses.

    摘要翻译: 从读取器接收校准指令的RFID标签可以确定要反向散射的符号的基本反向散射周期。 根据一些实施例,当指令包括要由分频比除除的校准特征时,标签以内部脉冲数量来测量特征的持续时间,得到二进制L数。 然后组合L个号码(PR 1号,PR 2号码)的至少两个版本,以便即使分频比是非整数也可以交替地产生除法的有效结果。 然后可以根据BP号和内部脉冲的周期来确定反向散射周期。

    Changing manner of determining a query parameter Q used for inventorying RFID tags
    65.
    发明申请
    Changing manner of determining a query parameter Q used for inventorying RFID tags 审中-公开
    更改确定用于清点RFID标签的查询参数Q的方式

    公开(公告)号:US20060071759A1

    公开(公告)日:2006-04-06

    申请号:US11210575

    申请日:2005-08-24

    IPC分类号: H04Q5/22

    摘要: RFID system components, such as readers and tags, communicate where the reader inventories a population of tags. The reader evaluates responses from tags by categorizing them in slots. As tags are inventoried, the number of slots based on a Q-parameter is reduced. The reader reduces the Q-parameter first in a first manner, then in a second manner where the second manner is different from the first manner. The first manner and the second manner may be different algorithms, different subroutines of an algorithm, or the same damping algorithm with different damping parameters.

    摘要翻译: 诸如读取器和标签之类的RFID系统组件通信读者清点一批标签的位置。 读者通过在插槽中对它们进行分类来评估标签的响应。 随着标签被盘点,减少了基于Q参数的槽数。 读取器首先以第一种方式降低Q参数,然后以第二种方式与第一种方式不同。 第一种方式和第二种方式可能是不同的算法,算法的不同子程序,或具有不同阻尼参数的相同阻尼算法。

    Storing and retrieving a query parameter Q used for inventorying RFID tags
    66.
    发明申请
    Storing and retrieving a query parameter Q used for inventorying RFID tags 审中-公开
    存储和检索用于清点RFID标签的查询参数Q

    公开(公告)号:US20050280506A1

    公开(公告)日:2005-12-22

    申请号:US11210418

    申请日:2005-08-24

    IPC分类号: G06K7/00 G08B13/14 H04Q5/22

    摘要: RFID system components, such as readers and tags, communicate where the reader inventories a population of tags. The tags choose randomly one of a plurality of slots in response to each one of the values communicated by the reader and reply according to their chosen slot. The reader may initiate the inventorying by determining a Q-parameter value from a stored value and communicating the Q-parameter value to the tags. The reader may evaluate replies received from the tags in another plurality of tags, determine a second value from evaluating the second replies, and store the second value for future use.

    摘要翻译: 诸如读取器和标签之类的RFID系统组件通信读者清点一批标签的位置。 标签响应于读取器传送的每个值并根据其选择的时隙进行应答,随机选择多个时隙中的一个。 读取器可以通过从存储的值确定Q参数值并将Q参数值传递给标签来启动库存。 读者可以评估从另一多个标签中的标签接收到的答复,从评估第二个回复确定第二个值,并存储第二个值以供将来使用。

    Structure and method to compensate for thermal edge loss in thin film heaters
    70.
    发明申请
    Structure and method to compensate for thermal edge loss in thin film heaters 有权
    补偿薄膜加热器热边缘损耗的结构和方法

    公开(公告)号:US20050035111A1

    公开(公告)日:2005-02-17

    申请号:US10639813

    申请日:2003-08-12

    摘要: A thin film heater includes at least two open regions formed along each of two spaced-apart edges of the thin film material, which edges are parallel to two spaced-apart edges of the underlying substrate. The open regions expose areas of underlying substrate. When electrical power is coupled to the two spaced-apart edges of the thin film material, uniformity of the heat generated across the thin film material is enhanced. The substrate may be planar or curved, and the open regions in the thin film material may be removed from deposited thin film material, or may be formed by preventing deposition of thin film material in such regions.

    摘要翻译: 薄膜加热器包括沿着薄膜材料的两个间隔开的边缘中的每一个形成的至少两个开放区域,该边缘平行于下面的基底的两个间隔开的边缘。 开放区域露出下方基板的区域。 当电功率耦合到薄膜材料的两个间隔开的边缘时,跨越薄膜材料产生的热的均匀性增强。 衬底可以是平面的或弯曲的,并且薄膜材料中的开放区域可以从沉积的薄膜材料中去除,或者可以通过防止薄膜材料在这些区域中的沉积来形成。