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    • 1. 发明授权
    • Proximity detecting apparatus
    • 近似检测装置
    • US5099227A
    • 1992-03-24
    • US453271
    • 1989-12-18
    • Theodore D. GeiszlerDale Lindseth
    • Theodore D. GeiszlerDale Lindseth
    • G06K7/00G06K7/08G07C9/00H02J17/00H04B1/59H04B5/00
    • G06K7/10326G06K7/0008G06K7/10336G07C9/00111
    • A proximity detection system which combines the advantages of an electrostatic (electric) field coupling mechanism with those of an electromagnetic coupling mechanism in order to overcome the disadvantages of the respective individual coupling mechanisms. The system includes a coded tag which is excited with an induction field, i.e., by using an electromagnetic coupling mechanism as has been done in the past in such proximity identification systems, but which transmits stored data back to the receiver using both an electric field coupling mechanism and an electromagnetic field coupling mechanism. The receiver, in turn, is provided with a novel preamplifier circuit arrangement, so that it can simultaneously receive signals via either or both of these coupling mechanisms.
    • 一种接近检测系统,其结合了静电(电)场耦合机构与电磁耦合机构的优点,以克服各个单独耦合机构的缺点。 该系统包括用感应场激励的编码标签,即通过使用如在过去这样的接近识别系统中已经完成的电磁耦合机制,但是使用电场耦合来将存储的数据发送回接收机 机制和电磁场耦合机制。 接收器又被提供有新颖的前置放大器电路装置,使得其可以通过这些耦合机构中的任一个或两者同时接收信号。
    • 2. 发明授权
    • Reader system for waste bin pickup vehicles
    • 垃圾捡拾车读卡器系统
    • US5565846A
    • 1996-10-15
    • US312199
    • 1994-09-26
    • Theodore D. GeiszlerNoel H. EberhardtRussel E. WalkerHerbert P. Radding
    • Theodore D. GeiszlerNoel H. EberhardtRussel E. WalkerHerbert P. Radding
    • B65F1/14B65F3/02G06K7/08G08G13/14
    • G06K7/10178B65F1/1484G06K7/10336B65F2003/023B65F2210/124
    • A reader for radio frequency identification tags having at least one magnetic field transmitting and receiving coil which is oriented in a given plane and which is responsive to a received magnetic exciter field of a first frequency to produce and radiate an identifying magnetic field comprised of a carrier at a second different frequency modulated by an identifying code. The reader comprises a first circuit for producing a radio frequency signal of the first frequency; a first magnetic field coupling arrangement connected to the output of said first circuit for producing a corresponding exciter field at the first frequency to be magnetically coupled to the receiving coil of the tag, with the first magnetic field coupling arrangement including a solenoidal exciter coil having at least one wound exciter winding and a longitudinal axis disposed substantially perpendicular to the plane of the tag coil; a second magnetic field coupling arrangement for receiving a magnetic field of the second frequency produced by the tag and providing a corresponding electrical signal, with the second magnetic field coupling arrangement including at least one receiver coil disposed adjacent one end of the solenoidal coil; and circuitry connected to the receiver coil for decoding the received electrical signal. Preferably the tag is disposed on the lid of a trash or waste bin with the tag coil being substantially horizontal and the axis of the exciter coil is disposed substantially vertically.
    • 一种用于射频识别标签的读取器,其具有至少一个磁场发射和接收线圈,该磁场发射和接收线圈定向在给定平面中,并且响应于接收到的第一频率的磁激励器场来产生和辐射包括载体的识别磁场 在由识别码调制的第二不同频率处。 读取器包括用于产生第一频率的射频信号的第一电路; 第一磁场耦合装置,其连接到所述第一电路的输出端,用于产生第一频率的相应的激励器场,以磁性耦合到标签的接收线圈,第一磁场耦合装置包括一个螺线管励磁线圈, 至少一个绕线激励器绕组和基本上垂直于所述标签线圈的平面设置的纵向轴线; 第二磁场耦合装置,用于接收由标签产生的第二频率的磁场并提供对应的电信号,第二磁场耦合装置包括邻近螺线管线圈的一端设置的至少一个接收器线圈; 以及连接到接收器线圈的电路,用于对所接收的电信号进行解码。 优选地,标签设置在垃圾箱或垃圾箱的盖上,标签线圈基本上是水平的,并且激励器线圈的轴线基本垂直地设置。
    • 3. 发明申请
    • Long Range Radio Frequency Identification System
    • 远程射频识别系统
    • US20100207740A1
    • 2010-08-19
    • US12389179
    • 2009-02-19
    • Theodore D. GeiszlerPaul G. SaldinEric W. Lofstad
    • Theodore D. GeiszlerPaul G. SaldinEric W. Lofstad
    • H04Q5/22
    • G06K19/0723
    • A method, apparatus and system for radio frequency identification provides an on-off keyed amplitude-modulated illumination signal containing a sequence of bits configured to illuminate a radio frequency identification (RFID) tag, The illumination signal is received at the RFID tag, rectified to generate a wake signal for waking a processor which is subsequently powered by a battery. The received illumination signal is sampled and subjected to a thresholding process. Mobile telephone band interference is countered by correlating the sampled illumination signal to determine its bit sequence and then correlating the bit sequence against a predetermined key. An identification signal from the RFID tag is sent in response to a match.
    • 一种用于射频识别的方法,装置和系统提供了一种包含被配置为照射射频识别(RFID)标签的比特序列的开 - 关键控幅度调制照明信号。在RFID标签处接收照明信号,被修正为 产生用于唤醒处理器的唤醒信号,后者由电池供电。 接收到的照明信号被采样并进行阈值处理。 通过将采样的照明信号相关联来确定其比特序列,然后将比特序列与预定的密钥相关联,来抵消移动电话频带干扰。 响应于匹配发送来自RFID标签的识别信号。
    • 5. 发明授权
    • Intrusion warning system utilizing an electric field
    • 使用电场的入侵警告系统
    • US4064499A
    • 1977-12-20
    • US612918
    • 1975-09-12
    • Theodore D. GeiszlerRonald W. Mongeon
    • Theodore D. GeiszlerRonald W. Mongeon
    • G08B13/24
    • G08B13/2497
    • A quasi-stationary electric field is produced by means of an oscillator whose output is connected to a field wire which is positioned within the area to be protected and the electric field is detected by an antenna whose output is connected to an amplifier. An AM detector is connected to the output of the amplifier and the output of the AM detector is connected via a lowpass filter to a high gain amplifying means including a bandpass filter arrangement so that at the output of this high gain amplifier only signals within the relatively low frequency range associated with movement of an intruder are present. The output signal from the high gain amplifier is fed to a threshold circuit which produces an output signal whenever the input signal thereto exceeds a predetermined threshold value, and this output signal is fed to an alarm producing circuit. The frequency of the electric field is in the range from about 1 to 40KHz and is approximately midway between two successive harmonics of the frequency of the a.c. power existing in the vicinity of the area to be protected in order to decrease the possibility of false alarms. Additionally other techniques for reducing the possibility of false alarms and for extending the utility of such a system are disclosed.
    • 通过振荡器产生准稳态电场,振荡器的输出连接到位于被保护区域内的场线,并且电场由输出连接到放大器的天线检测。 AM检测器连接到放大器的输出端,AM检测器的输出端通过低通滤波器连接到包括带通滤波器装置的高增益放大装置,使得在该高增益放大器的输出端仅在相对的 存在与入侵者的移动有关的低频范围。 来自高增益放大器的输出信号被馈送到阈值电路,每当输入信号超过预定阈值时产生输出信号,并且该输出信号被馈送到报警产生电路。 电场的频率在约1至40KHz的范围内,并且近似于交流频率的两个连续谐波之间的中间。 存在于受保护区域附近的电力,以减少虚假警报的可能性。 此外,还公开了用于减少虚假警报的可能性和扩展这种系统的效用的其它技术。
    • 6. 发明授权
    • Long range radio frequency identification system
    • 远程射频识别系统
    • US08310344B2
    • 2012-11-13
    • US12389179
    • 2009-02-19
    • Theodore D. GeiszlerPaul G. SaldinEric W. Lofstad
    • Theodore D. GeiszlerPaul G. SaldinEric W. Lofstad
    • H04Q5/22
    • G06K19/0723
    • A method, apparatus and system for radio frequency identification provides an on-off keyed amplitude-modulated illumination signal containing a sequence of bits configured to illuminate a radio frequency identification (RFID) tag, The illumination signal is received at the RFID tag, rectified to generate a wake signal for waking a processor which is subsequently powered by a battery. The received illumination signal is sampled and subjected to a thresholding process. Mobile telephone band interference is countered by correlating the sampled illumination signal to determine its bit sequence and then correlating the bit sequence against a predetermined key. An identification signal from the RFID tag is sent in response to a match.
    • 一种用于射频识别的方法,装置和系统提供了一种包含被配置为照射射频识别(RFID)标签的比特序列的开 - 关键控幅度调制照明信号。在RFID标签处接收照明信号,被校正为 产生用于唤醒处理器的唤醒信号,后者由电池供电。 接收到的照明信号被采样并进行阈值处理。 通过将采样的照明信号相关联来确定其比特序列,然后将比特序列与预定的密钥相关联,来抵消移动电话频带干扰。 响应于匹配发送来自RFID标签的识别信号。
    • 8. 发明授权
    • Flap-type portal reader
    • FLAP型门户阅读器
    • US5221831A
    • 1993-06-22
    • US798713
    • 1991-11-29
    • Theodore D. Geiszler
    • Theodore D. Geiszler
    • B65G47/49B65G47/50G01S13/82G06K7/08
    • G06K7/10326B65G47/50G01S13/825G06K7/10316G06K7/10336G06K7/10425G06K7/10435
    • Apparatus for selectively reading or writing data on a magnetic data stripe on a data card which is thin and flexible and for selectively returning or capturing the card. The apparatus includes a card guide arrangement comprising a cylindrical card guide path section, an entrance card path section with an entrance slit for admitting the data card, and an exit path section with an exit slit for discharging the data card for capture. A drive arrangement drives the data card through the entrance slit, throughout the cylindrical card guide path section, and through the exit slit. A transducer with a read head and write head is mounted relative to the cylindrical card guide path section. A position tracking arrangement determines the position of the data card within the cylindrical card guide and a card-in sensor senses the presence of a data card in the entrance path section. A microprocessor based control circuit is used to operate the system and control operational features.
    • 用于在数据卡上的磁数据条带上选择性地读取或写入数据的装置,该数据卡是薄且灵活的,并用于选择性地返回或捕获卡。 该装置包括一个卡引导装置,它包括一个圆柱形卡引导路径部分,一个入口卡路径部分,具有用于允许数据卡的入口狭缝,以及一个具有出口狭缝的出口路径部分,用于排出用于捕获的数据卡。 驱动装置通过入口狭缝驱动数据卡,贯穿圆柱形卡片引导路径部分,并通过出口狭缝。 具有读头和写头的传感器相对于圆柱形卡引导路径部分安装。 位置跟踪装置确定数据卡在圆柱形卡片引导件内的位置,卡入传感器检测入口路径部分中数据卡的存在。 使用基于微处理器的控制电路来操作系统并控制操作特征。
    • 9. 发明授权
    • Motion detection system
    • 运动检测系统
    • US3956743A
    • 1976-05-11
    • US341171
    • 1973-03-14
    • Theodore D. GeiszlerRichard Wilenken
    • Theodore D. GeiszlerRichard Wilenken
    • G08B13/26G08B13/24
    • G08B13/26
    • A motion detection apparatus indicates the presence of an object in a given area by sensing the change in electrostatic charge in the area caused by the disturbance of the electric field within the range of the apparatus. An antenna, which may take a number of different forms, is placed at a convenient location within the area to be monitored, and the output of the antenna is connected in a shielded manner to the input of a shielded high gain amplifier with a very high impedance-low leakage current input stage and which has a filter connected thereto having a cut off frequency of up to approximately 20Hz. Connected to the output of the amplifier is a circuit, which may include a power line frequency filter, which produces an output signal, for example, an alarm, whenever the amplitude of the output signal from the amplifier exceeds a predetermined value.
    • 运动检测装置通过感测由该装置的范围内的电场的扰动引起的该区域中的静电电荷的变化来指示给定区域中的物体的存在。 可以采用多种不同形式的天线放置在待监视区域内的方便位置,并且天线的输出以屏蔽方式连接到具有非常高的屏蔽高增益放大器的输入 阻抗低的漏电流输入级,并且具有连接到其上的滤波器,具有高达约20Hz的截止频率。 连接到放大器的输出的电路是电路,其可以包括电源线频率滤波器,其每当来自放大器的输出信号的幅度超过预定值时,其产生输出信号,例如报警。
    • 10. 发明授权
    • Power consumption management for an RFID reader
    • RFID读写器的功耗管理
    • US08830035B2
    • 2014-09-09
    • US11174358
    • 2005-06-30
    • Scott LindleyTheodore D. GeiszlerKirk B. Bierach
    • Scott LindleyTheodore D. GeiszlerKirk B. Bierach
    • H04Q5/22G06K7/10G06K7/00
    • G06K7/0008G06K7/10128
    • Power consumption management for a radio frequency identification (RFID) reader for a radio frequency (RF) transponder system. The RF system includes an RFID device and a host. The RFID reader includes an RFID controller, an excitation signal transmitter, a response signal receiver, an optional RFID device detector, a host interface input/output, and a user interface. The method includes establishing a first power consumption level for the RFID reader, establishing a second power consumption level that is different from the first, and changing between the first level and the second level. The difference between the first level and the second level is derived from at least one technique for power consumption management. A plurality of techniques are presented. Among the potential benefits to reduced power consumption are increased energy efficiency and reduced radiated emissions. The option of choosing between power consumption levels presents unique opportunities in system design, implementation, and operation.
    • 射频(RF)应答器系统的射频识别(RFID)读取器的功耗管理。 RF系统包括RFID设备和主机。 RFID读取器包括RFID控制器,激励信号发射器,响应信号接收器,可选的RFID设备检测器,主机接口输入/输出和用户接口。 该方法包括为RFID读取器建立第一功耗级别,建立与第一功率消耗水平不同的第一功耗水平,以及在第一水平和第二水平之间的变化。 第一级和第二级之间的差异来自用于功耗管理的至少一种技术。 提出了多种技术。 减少功耗的潜在好处是提高能源效率和减少辐射排放。 在功耗级别之间选择的选择在系统设计,实施和操作中提供了独特的机会。