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    • 11. 发明申请
    • Wireless tag ranging
    • 无线标签范围
    • US20070001814A1
    • 2007-01-04
    • US11453266
    • 2006-06-14
    • Kurt SteinkeJames Wagner
    • Kurt SteinkeJames Wagner
    • H04Q5/22
    • G06K7/0008
    • Disclosed are embodiments of methods, systems, and apparatus for ranging or determining a distance between a reader and a wireless tag. In one embodiment, a query signal is transmitted from the reader to the wireless tag. The carrier signal from the reader may then be modulated and the modulated signal transmitted from the reader during at least a portion of a response period for the wireless tag. A modulated backscatter response from the wireless tag is received at the reader is used to calculate a distance between the reader and the wireless tag.
    • 公开了用于测量或确定读取器和无线标签之间的距离的方法,系统和装置的实施例。 在一个实施例中,查询信号从读取器发送到无线标签。 然后来自读取器的载波信号可以被调制,并且在无线标签的响应周期的至少一部分期间从读取器发送调制信号。 在读取器处接收到来自无线标签的调制反向散射响应用于计算读取器和无线标签之间的距离。
    • 12. 发明授权
    • Method and apparatus for testing air permeable waterproof gloves
    • 用于测试透气防水手套的方法和装置
    • US07131316B2
    • 2006-11-07
    • US11017897
    • 2004-12-21
    • James R. DoehlaJames Wagner
    • James R. DoehlaJames Wagner
    • G01M3/02
    • G01M3/027
    • A dry testing method for a glove (10) made with an air permeable, waterproof material (16). The stem (22) of a tee fitting (24) is connected to an air pump (20) source. A mouth (30) of the glove is tightly attached to one end (32) of the fitting so no air can escape through the mouth. An airflow meter (26) or air pressure gauge connects to another end (28) of the fitting. When the air pump is running, the glove inflates with air and a backpressure is created. The flow meter is read to determine the backpressure level in the inflated glove, the glove being accepted if the meter registers at least a predetermined value indicating the glove does not leak water, but the glove being rejected if the meter reading is less than the predetermined value.
    • 一种用透气防水材料(16)制成的手套(10)的干试验方法。 三通配件(24)的杆(22)连接到空气泵(20)源。 手套的口(30)紧紧地附接在配件的一端(32)上,所以没有空气可以通过口部逸出。 气流计(26)或空气压力表连接到配件的另一端(28)。 当空气泵运行时,手套充气并产生背压。 读取流量计以确​​定充气手套中的背压水平,如果仪表至少指示手套没有泄漏水的预定值,则手套被接受,但是如果仪表读数小于预定值,则手套被拒绝 值。
    • 14. 发明申请
    • RFID tag singulation
    • RFID标签分割
    • US20060214773A1
    • 2006-09-28
    • US11351405
    • 2006-02-10
    • James WagnerKurt Steinke
    • James WagnerKurt Steinke
    • H04Q5/22
    • G06K7/0008G06K7/10079G06K7/10217G06K19/0701
    • Disclosed are embodiments of methods, systems, and apparatus for singulating wireless tags. In one embodiment, a power ramping method is provided for tag singulation. This embodiment involves activating a control of an RFID reader for engaging power to begin reading RFID tags. The first reading is taken at a relatively low transmitting power level. If an RFID tag is not detected at the first power level, the power from the RFID reader is increased to a second higher power level. Increasing the transmitting power may be repeated until there is a final read volume where a single RFID tag, or a select number of such tags, is detected. Certain embodiments may provide for ramping the power down as well as up, so that if multiple tags are detected and only the closest tag is desired to be detected, tags can be excluded systematically from the read volume until only a single tag remains.
    • 公开了用于分割无线标签的方法,系统和装置的实施例。 在一个实施例中,提供了用于标签分割的功率斜坡方法。 该实施例涉及激活RFID读取器的控制以接合电力以开始阅读RFID标签。 第一次读取是在相对较低的发射功率水平下进行的。 如果在第一功率水平没有检测到RFID标签,则来自RFID读取器的功率增加到第二较高功率水平。 可以重复增加发射功率,直到存在检测到单个RFID标签或选择数量的这种标签的最终读取体积。 某些实施例可以提供降低功率以及向上的功能,使得如果检测到多个标签并且仅需要检测最接近的标签,则可以从读取的体积系统地排除标签,直到仅剩下一个标签。
    • 15. 发明申请
    • RFID power ramping for tag singulation
    • 用于标签分割的RFID功率斜坡
    • US20060176152A1
    • 2006-08-10
    • US11055960
    • 2005-02-10
    • James WagnerKurt SteinkeAlan BradleyPatrick Watkins
    • James WagnerKurt SteinkeAlan BradleyPatrick Watkins
    • H04Q5/22
    • G06K7/0008G06K7/10079G06K7/10217G06K19/0701
    • A preferred embodiment is directed to a method of RFID power ramping for tag singulation that includes activating the trigger control of an RFID reader for engaging power to begin reading RFID tags. A user may take a first reading at a low power level of a volume around the RFID reader establishing a first read volume. If the user does not detect a particular RFID tag, the user may then increase the transmitting power from the RFID reader to a second higher power level obtaining a second reading of RFID tags in a second read volume. The user may once again increase the transmitting power from the RFID reader to a third higher power level obtaining a third reading of RFID tags in a third reading volume. Increasing the RFID transmitting power is repeated until there is a final read volume where the operator reads and recognizes the detected RFID tag. The final step includes deactivating the trigger control of the RFID reader after reading the desired RFID tag.
    • 优选实施例涉及用于标签分割的RFID功率斜坡的方法,其包括激活RFID读取器的触发控制以接合电力以开始读取RFID标签。 用户可以在建立第一读取体积的RFID读取器周围的体积的低功率水平进行第一读取。 如果用户没有检测到特定的RFID标签,则用户可以将来自RFID读取器的发射功率增加到第二较高功率水平,从而获得在第二读取体积中的RFID标签的第二读取。 用户可以再次将来自RFID读取器的发射功率增加到第三较高功率水平,从而获得第三读取体积中的RFID标签的第三读数。 重复增加RFID发射功率,直到存在操作者读取并识别检测到的RFID标签的最终读取体积。 最后一步包括在阅读所需的RFID标签之后停用RFID阅读器的触发控制。