会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 1. 再颁专利
    • Method of addressing messages, method of establishing wireless communications, and communications system
    • 寻址消息的方法,建立无线通信的方法和通信系统
    • USRE43020E1
    • 2011-12-13
    • US11865580
    • 2007-10-01
    • Clifton W. Wood, Jr.Don Hush
    • Clifton W. Wood, Jr.Don Hush
    • H04Q7/00H04L12/56
    • H04L12/44G06K7/0008G06K7/10049H04W4/06H04W8/005H04W8/26H04W74/04H04W76/10
    • A method of establishing wireless communications between an interrogator and individual ones of multiple wireless identification devices, the method comprising utilizing a tree search method to establish communications without collision between the interrogator and individual ones of the multiple wireless identification devices, a search tree being defined for the tree search method, the tree having multiple levels representing subgroups of the multiple wireless identification devices, the number of devices in a subgroup in one level being half of the number of devices in the next higher level, the tree search method employing level skipping wherein at least one level of the tree is skipped. A communications system comprising an interrogator, and a plurality of wireless identification devices configured to communicate with the interrogator in a wireless fashion, the respective wireless identification devices having a unique identification number, the interrogator being configured to employ a tree search technique to determine the unique identification numbers of the different wireless identification devices so as to be able to establish communications between the interrogator and individual ones of the multiple wireless identification devices without collision by multiple wireless identification devices attempting to respond to the interrogator at the same time, wherein levels of the tree are occasionally skipped.
    • 一种在询问器和多个无线识别装置中的各个无线识别装置之间建立无线通信的方法,所述方法包括利用树形搜索方法建立通信而不会在询问器与多个无线识别装置中的各个无线识别装置之间发生冲突,搜索树被定义为 树搜索方法,具有表示多个无线识别装置的子组的多个级别的树,一个级别中的子组中的设备的数量是下一较高级别中的设备数量的一半,采用跳过的树搜索方法,其中 树中至少有一个级别被跳过。 一种通信系统,包括询问器和多个无线识别设备,被配置为以无线方式与询问器进行通信,相应的无线识别设备具有唯一的标识号,询问器被配置为采用树形搜索技术来确定唯一的 识别号码,以便能够在多个无线识别装置中的询问器和各个无线识别装置之间建立通信,而不会同时尝试响应询问器的多个无线识别装置的冲突,其中, 偶尔跳过树。
    • 2. 再颁专利
    • Method and apparatus to select radio frequency identification devices in accordance with an arbitration scheme
    • 根据仲裁方案选择射频识别装置的方法和装置
    • USRE41530E1
    • 2010-08-17
    • US10693696
    • 2003-10-23
    • Clifton W. Wood, Jr.
    • Clifton W. Wood, Jr.
    • H04W4/00
    • H04W4/00G06F13/4027G06T1/60G06T5/20H04L12/44
    • A method of establishing wireless communications between an interrogator and individual ones of multiple wireless identification devices, the method comprising utilizing a tree search method to establish communications without collision between the interrogator and individual ones of the multiple wireless identification devices, a search tree being defined for the tree search method, the tree having multiple levels respectively representing subgroups of the multiple wireless identification devices, the method further comprising starting the tree search at a selectable level of the search tree. A communications system comprising an interrogator, and a plurality of wireless identification devices configured to communicate with the interrogator in a wireless fashion, the respective wireless identification devices having a unique identification number, the ingerrogator being configured to employ a tree search technique to determine the unique identification numbers of the different wireless identification devices so as to be able to establish communications between the interrogator and individual ones of the multiple wireless identification devices without collision by multiple wireless identification devices attempting to respond to the interrogator at the same time, wherein the interrogator is configured to start the tree search at a selectable level of the search tree. RFID devices are selected by an interrogator. The interrogator sends a signal to a plurality of RFID devices. The signal indicates a bit string and a memory range comprising multiple bit locations. RFID devices compare the bits stored in their respective memory ranges to the bit string to determine which of the RFID devices are selected.
    • 一种在询问器和多个无线识别装置中的各个无线识别装置之间建立无线通信的方法,所述方法包括利用树形搜索方法建立通信而不会在询问器与多个无线识别装置中的各个无线识别装置之间发生冲突,搜索树被定义为 树搜索方法,具有多个级别的树分别表示多个无线识别装置的子组,该方法还包括在搜索树的可选择级别开始树搜索。 一种通信系统,包括询问器,以及多个无线识别设备,被配置为以无线方式与询问器进行通信,所述相应的无线识别设备具有唯一的标识号,所述导入器被配置为采用树形搜索技术来确定唯一的 识别号码,以便能够建立多个无线识别装置中的询问器和各个无线识别装置之间的通信,而不会同时尝试响应询问器的多个无线识别装置的冲突,其中询问器是 配置为在搜索树的可选级别开始树搜索。 RFID设备由询问器选择。 询问器向多个RFID设备发送信号。 该信号表示一个比特串和包含多个比特位置的存储器范围。 RFID设备将存储在其相应存储器范围中的位与位串进行比较,以确定选择哪些RFID设备。
    • 4. 发明授权
    • Method of addressing messages, method of establishing wireless
communications, and communications system
    • 寻址消息的方法,建立无线通信的方法和通信系统
    • US6072801A
    • 2000-06-06
    • US26045
    • 1998-02-19
    • Clifton W. Wood, Jr.Don Hush
    • Clifton W. Wood, Jr.Don Hush
    • H04L12/44H04L12/56H04J3/16H04J3/02H04L12/43
    • H04L12/44G06K7/0008G06K7/10049H04W74/04H04W4/06H04W76/02H04W8/005H04W8/26
    • A method of establishing wireless communications between an interrogator and individual ones of multiple wireless identification devices, the method comprising utilizing a tree search method to establish communications without collision between the interrogator and individual ones of the multiple wireless identification devices, a search tree being defined for the tree search method, the tree having multiple levels representing subgroups of the multiple wireless identification devices, the number of devices in a subgroup in one level being half of the number of devices in the next higher level, the tree search method employing level skipping wherein at least one level of the tree is skipped. A communications system comprising an interrogator, and a plurality of wireless identification devices configured to communicate with the interrogator in a wireless fashion, the respective wireless identification devices having a unique identification number, the interrogator being configured to employ a tree search technique to determine the unique identification numbers of the different wireless identification devices so as to be able to establish communications between the interrogator and individual ones of the multiple wireless identification devices without collision by multiple wireless identification devices attempting to respond to the interrogator at the same time, wherein levels of the tree are occasionally skipped.
    • 一种在询问器和多个无线识别装置中的各个无线识别装置之间建立无线通信的方法,所述方法包括利用树形搜索方法建立通信而不会在询问器与多个无线识别装置中的各个无线识别装置之间发生冲突,搜索树被定义为 树搜索方法,具有表示多个无线识别装置的子组的多个级别的树,一个级别中的子组中的设备的数量是下一较高级别中的设备数量的一半,采用跳过的树搜索方法,其中 树中至少有一个级别被跳过。 一种通信系统,包括询问器和多个无线识别设备,被配置为以无线方式与询问器进行通信,相应的无线识别设备具有唯一的标识号,询问器被配置为采用树形搜索技术来确定唯一的 识别号码,以便能够在多个无线识别装置中的询问器和各个无线识别装置之间建立通信,而不会同时尝试响应询问器的多个无线识别装置的冲突,其中, 偶尔跳过树。
    • 6. 发明授权
    • Method of addressing messages and communications system
    • 寻址消息和通信系统的方法
    • US06282186B1
    • 2001-08-28
    • US09556235
    • 2000-04-24
    • Clifton W. Wood, Jr.
    • Clifton W. Wood, Jr.
    • H04L100
    • H04W4/00H04L41/0893H04L41/12
    • A method of establishing wireless communications between an interrogator and individual ones of multiple wireless identification devices, the method comprising utilizing a tree search method to attempt to identify individual ones of the multiple wireless identification devices so as to be able to perform communications, without collision, between the interrogator and individual ones of the multiple wireless identification devices, a search tree being defined for the tree search method, the tree having multiple nodes respectively representing subgroups of the multiple wireless identification devices, wherein the interrogator transmits a command at a node, requesting that devices within the subgroup represented by the node respond, wherein the interrogator determines if a collision occurs in response to the command and, if not, repeats the command at the same node. An interrogator configured to transmit a command at a node, requesting that devices within the subgroup represented by the node respond, the interrogator further being configured to determine if a collision occurs in response to the command and, if not, to repeat the command at the same node.
    • 一种在询问器与多个无线识别装置中的各个无线识别装置之间建立无线通信的方法,所述方法包括利用树形搜索方法来尝试识别所述多​​个无线识别装置中的各个无线识别装置,以便能够进行无冲突的通信, 在所述询问器和所述多个无线识别装置中的各个无线识别装置之间,搜索树被定义用于所述树搜索方法,所述树具有分别表示所述多个无线识别装置的子组的多个节点,其中所述询问器在节点处发送命令,请求 由节点表示的子组内的设备响应,其中询问器确定响应于该命令是否发生冲突,如果不是则在同一节点重复该命令。 一种被配置为在节点处传送命令的询问器,请求由节点表示的子组内的设备响应,询问器还被配置为响应于该命令来确定是否发生冲突,如果不是,则在 同一个节点。
    • 7. 发明授权
    • Tamper resistant smart card and method of protecting data in a smart card
    • 防篡改智能卡和保护智能卡中数据的方法
    • US06273339B1
    • 2001-08-14
    • US09552512
    • 2000-04-19
    • John R. TuttleClifton W. Wood, Jr.Arthur Barney McCabe
    • John R. TuttleClifton W. Wood, Jr.Arthur Barney McCabe
    • G06K1906
    • G06K19/07381G06K19/073G06K19/07372
    • A method of protecting data in a smart card from unauthorized access, the method comprising providing a housing defined by first and second housing portions; employing a volatile memory in the smart card for storing the data, and supporting the volatile memory from the first housing portion; providing a power supply in the housing, the power supply maintaining the data in the volatile memory while the power supply is connected to the volatile memory; and connecting the power supply to the volatile memory using a conductor supported by and movable with the second housing portion. A smart card comprising a housing including two opposing major portions that are connected together; an integrated circuit supported in the housing, the integrated circuit including a microprocessor and a random access memory, the random access memory being used to store data; a battery supported in the housing and having first and second terminals, the first terminal being coupled to the integrated circuit; and a conductor coupling the second terminal of the battery to the integrated circuit to complete a circuit, the conductor being supported by the housing such that separation of one of the portions of the housing from the other portion opens the circuit and breaks connection of the battery to the microprocessor so that data held in the random access memory is erased.
    • 一种保护智能卡中的数据免于未经授权的访问的方法,所述方法包括提供由第一和第二壳体部分限定的壳体; 在智能卡中采用易失性存储器来存储数据,并且从第一壳体部分支持易失性存储器; 在所述外壳中提供电源,所述电源将所述数据保持在所述易失性存储器中,同时所述电源连接到所述易失性存储器; 以及使用由第二壳体部分支撑并可与第二壳体部分一起移动的导体将电源连接到易失性存储器。 一种智能卡,包括壳体,其包括连接在一起的两个相对的主要部分; 所述集成电路支撑在所述壳体中,所述集成电路包括微处理器和随机存取存储器,所述随机存取存储器用于存储数据; 支撑在壳体中并具有第一和第二端子的电池,第一端子耦合到集成电路; 以及将电池的第二端子耦合到集成电路以完成电路的导体,导体由壳体支撑,使得壳体的一部分与另一部分的分离打开电路并断开电池的连接 到微处理器,使得保存在随机存取存储器中的数据被擦除。
    • 9. 发明授权
    • Method of addressing messages and communications system
    • 寻址消息和通信系统的方法
    • US6118789A
    • 2000-09-12
    • US26043
    • 1998-02-19
    • Clifton W. Wood, Jr.
    • Clifton W. Wood, Jr.
    • G06F13/40G06T1/60G06T5/20H04L12/44H04J3/02
    • H04W4/00G06F13/4027G06T1/60G06T5/20H04L12/44
    • A method of establishing wireless communications between an interrogator and individual ones of multiple wireless identification devices, the method comprising utilizing a tree search method to establish communications without collision between the interrogator and individual ones of the multiple wireless identification devices, a search tree being defined for the tree search method, the tree having multiple levels respectively representing subgroups of the multiple wireless identification devices, the method further comprising starting the tree search at a selectable level of the search tree. A communications system comprising an interrogator, and a plurality of wireless identification devices configured to communicate with the interrogator in a wireless fashion, the respective wireless identification devices having a unique identification number, the interrogator being configured to employ a tree search technique to determine the unique identification numbers of the different wireless identification devices so as to be able to establish communications between the interrogator and individual ones of the multiple wireless identification devices without collision by multiple wireless identification devices attempting to respond to the interrogator at the same time, wherein the interrogator is configured to start the tree search at a selectable level of the search tree.
    • 一种在询问器和多个无线识别装置中的各个无线识别装置之间建立无线通信的方法,所述方法包括利用树形搜索方法建立通信而不会在询问器与多个无线识别装置中的各个无线识别装置之间发生冲突,搜索树被定义为 树搜索方法,具有多个级别的树分别表示多个无线识别装置的子组,该方法还包括在搜索树的可选择级别开始树搜索。 一种通信系统,包括询问器和多个无线识别设备,被配置为以无线方式与询问器进行通信,相应的无线识别设备具有唯一的标识号,询问器被配置为采用树形搜索技术来确定唯一的 识别号码,以便能够建立多个无线识别装置中的询问器和各个无线识别装置之间的通信,而不会同时尝试响应询问器的多个无线识别装置的冲突,其中询问器是 配置为在搜索树的可选级别开始树搜索。