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Class 342/44 - Unique identity


Subclass of Class 342 - Communications: directive radio wave systems and devices (e.g., radar, radio navigation)
Definition: Subject matter wherein the coded radar retransmitted (reply)
No. of patents: 545
Last issue date: 02/08/2011


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NumberTitleIssue Date
7884753Apparatus and method for ranging of a wireless transceiver with a switching antenna
A sensor includes a transceiver configured to receive a wireless signal from an interrogator and to reflect the wireless signal back. The sensor also includes an antenna-switching modulator configured to modulate a radar cross-section of the sensor by repeatedly swi...
02/08/2011
7646330System and method for locating objects and communicating with the same
Communication between a remote locator and a transponder is used to determine the relative position of the transponder. The transponder and locator each include a transmitter and a receiver. The locator transmits an inquiry in the form of a relatively powerful cycli...
01/12/2010
7414517Radio frequency identification transponder
A radio frequency identification transponder includes a power supply and a dynamic memory array that stores data. When power from the power supply ceases, the data in the dynamic memory array is validly maintained for a predetermined period of time. The dynamic memo...
08/19/2008
7405692Detecting concealed objects at a checkpoint
Disclosed are systems, methods, devices, and apparatus to interrogate a clothed individual with electromagnetic radiation to determine if a concealed object is being carried. This determination includes establishing data corresponding to an image of the individual w...
07/29/2008
7372914Control system methods and apparatus for inductive communication across an isolation barrier
Improved control apparatus and methods transfer information between devices, such as controllers and field devices, utilizing a modulator that generates a pulse width modulated (PWM) signal containing information to be transferred by a first of the devices, e.g., th...
05/13/2008
7362212Communication methods, systems, apparatus, and devices involving RF tag registration
One technique of the present invention includes a number of Radio Frequency (RF) tags that each have a different identifier. Information is broadcast to the tags from an RF tag interrogator. This information corresponds to a maximum quantity of tag response time slo...
04/22/2008
7360701Managing maintenance of serviceable items based on unique identification labeling
A system and method for tracking and managing maintenance of serviceable items based on unique identification labeling affixed to the items is disclosed. The serviceable items are described as filters within a common environment that require routine maintenance to a...
04/22/2008
7362258Transponder detection system using radio and light wave signals
A target object detection system for detecting a target object using a detector and a tag on the target object; the tag includes a radio wave receiver receiving radio wave from the detector; a light receiver receiving a light signal from the detector; a receipt sign...
04/22/2008
7358857Global positioning systems applications
A global positioning system includes a fixed base unit of known position and at least one mobile unit, the base unit and the mobile unit each including a GPS receiver. This system further includes means for comparing the simultaneous GPS identified positions of the ...
04/15/2008
7356494Robust wireless communications system architecture and asset management applications performed thereon
A robust wireless communications system operable to provide communications for mobile wireless devices. The wireless communications system generally includes a management computing system, wireless infrastructure, and mobile wireless devices. The wireless infrastruc...
04/08/2008
7342895Method and system for peer-to-peer wireless communication over unlicensed communication spectrum
The present invention provides a method and system for peer-to-peer wireless communication over an unlicensed communication spectrum without routing or relaying of messages. Low-cost wireless communication is made possible by providing direct, peer-to-peer wireless ...
03/11/2008
7327998System and method of providing a geographic view of nodes in a wireless network
A geographic view rendering tool receives geographic location data for nodes in a wireless network and renders a geographic view displaying the nodes at their corresponding geographic locations. The geographic view may be displayed overlaying a digital map. The geog...
02/05/2008
7327107System and methods for automatically moving access barriers initiated by mobile transmitter devices
An operator system and related methods for automatically controlling access barriers which includes a base controller associated with at least one access barrier and at least one base receiver associated with the base controller. The system also includes at least on...
02/05/2008
7327108System and methods for automatically moving access barriers initiated by mobile transmitter devices
An operator system and related methods for automatically controlling access barriers which includes a base controller associated with at least one access barrier and at least one base receiver associated with the base controller. The system also includes at least on...
02/05/2008
7324040Method of automatically setting the gain of an interrogator receiver within a non-contacting identification system
An attack is activated in a receiver amplifier of an interrogator whenever an amplified input signal exceeds an attack threshold voltage value Vatt, and the receiver amplifier at least during a waiting period, the length of which preferrably equals the double length...
01/29/2008
7324615Time signal receiver and decoder
A time signal receiver and decoder receives, detects and stores time information from time signals, e.g., WWV, WWVH, WWVB (USA), JJY (Japan), MSF (UK) and the like. The time information may be used for a self setting clock, and the clock may be used as a reference i...
01/29/2008
7319368Method and circuit arrangement for load modulation in a combination comprised of a transmitting and a receiving oscillator circuit
A method and circuit arrangement is provided for load modulation in a receiving oscillator circuit, which can be mutually coupled with a transmitting oscillator circuit, having at least one inductance, at least one capacitance, and at least one controllable impedanc...
01/15/2008
7315522Communication methods using slotted replies
An RFID tag population is selected by an interrogator. Each tag of the selected tag population then responds to the interrogator in accordance with a slotted arbitration scheme. According to the slotted arbitration scheme, each tag of the selected tag population pic...
01/01/2008
7315274Method and system for determining the position of marine vessels and similar objects
A method for determining the relative position between two or more objects in a marine environment, including waterways, of which at least one object can be maneuvered relative to one or more other objects. At least one interrogator is arranged on one or more of the...
01/01/2008
7315162Reducing power consumption of electrical meters
The invention contemplates an electrical power meter and method of operating the electrical power meter. The inventive power meter includes a power supply for converting alternating current (AC) voltage to a direct current (DC) voltage for powering the electronic co...
01/01/2008
7312721Data collector for an automated meter reading system
The invention includes an electronic utility meter, a data collector/meter and a method for communicating data in an automated meter reading system. The inventive method includes communicating data with a network and a first electronic utility meter, and communicati...
12/25/2007
7310213Semiconductor device provided with overheat protection circuit and electronic circuit using the same
A overheat protection circuit is formed on the same semiconductor substrate as a power MOS FET is formed on. As the configuration, a first resistor is connected between an input terminal and a gate of the power MOS FET, a second resistor, a temperature sensing eleme...
12/18/2007
7309989Wireless RF coil power supply
A system wirelessly supplies electrical power to an RF coil and an analog-to-digital converter (ADC) for an MRI system. The system supplies power to at least operate the RF coil and ADC without the use of a battery and without use of a wired connection external to t...
12/18/2007
7301476Dynamic self-configuring metering network
A dynamic self-configuring system for collecting metering data comprises a collector meter. The collector meter scans for meters that are operable to directly communicate with the collector and registers such meters as level one meters. The collector transmits instr...
11/27/2007
7293705Radio frequency identification method and system of distributing products
A method and system for vending products from a defined area, such as a micro-warehouse with a door. The method includes fitting each product with a radio frequency identification tag, positioning the plurality of products in a micro-warehouse, sensing opening and c...
11/13/2007
7295115Radio-frequency identification (RFID) tag employing unique reception window and method therefor
A radio-frequency identification (RFID) tag employing a unique reception window and method for operating the tag system provides low-power operation for enhanced tag battery life, while providing addressable tags that can receive commands and data from the system, w...
11/13/2007
7292628Identification system for monitoring the presence / absence of members of a defined set
A system which allows multiple senders to asynchronously transmit identification codes via a common communication channel (e.g., RF) to enable a central monitor to identify the presence (or absence) of each sender within the monitor's detection zone. Each sender is ...
11/06/2007
7289458Method for transmitting data between a read/write device and a data memory, use of the method in an identification system and a read/write device and mobile data memory for an identification system
A method for transmitting data between a read/write unit (SLG) and one or more mobile data stores (D, HD) in an identification system. The method includes dividing the data transmission occurring between the read/write unit (SLG) and the data stores (D, HD) into a p...
10/30/2007
7289015Method for efficiently querying and identifying multiple items on a communication channel
A method for identifying objects using an interrogation device on a communication channel is disclosed. Each object has an identification number in the form of a plurality of digits and has the ability to communicate to the interrogating device at least two differen...
10/30/2007
7286158Method and system for providing integrated remote monitoring services
A method and system for providing integrated remote monitoring services includes receiving and storing radio frequency identification (RFID) data from an RFID system at a remote facility of a subscriber. Video data is received from a video system at the facility and...
10/23/2007
7286040Cooperative vehicular identification system
Cooperative Vehicular Identification Systems and Methods, capable of monitoring and recording vehicular law violations, with the assistance and cooperation of the vehicles in violation, are disclosed. Real-time information from vehicular sensors is communicated to a...
10/23/2007
7277681Interrogator of moving body identification device
To reduce the size, weight and cost of an interrogator which is included in an RFID system and required to have a high output power, the interrogator for transmitting a signal shares a radio wave source or a power supply with a portable wireless terminal such as a m...
10/02/2007
7271727Dual frequency radio tag for a radio frequency identification system
A dual frequency radio tag for a radio frequency identification system is provided that includes an antenna system and a first receiver coupled to the antenna system. The first receiver receives and processes request signals from a first unit type at a first frequen...
09/18/2007
7265674Thin flexible, RFID labels, and method and apparatus for use
A radio frequency identification (REID) device may include a first, thin, flexible sheet, an antenna, and an integrated circuit. A surface portion of the first sheet may be affixed to a second, thin, flexible sheet to form a thin, flexible label. Such a label may be...
09/04/2007
7264149SAW identification tag discrimination methods
Surface acoustic wave (SAW) identification tag discrimination methods including, in one embodiment (1) detecting a signal emanating from an electronic device operating within a SAW tag frequency band; (2) identifying a null period in a transmission pattern in the si...
09/04/2007
7262709System and method for efficient configuration in a fixed network automated meter reading system
Meters are configured using either a program update method or a meter update method. In the program update method, meters associated with a specified configuration program are identified and configured with updated parameters. In the meter update method, a specified...
08/28/2007
7253717Method and system for communicating with and tracking RFID transponders
An RFID system and method for communicating between a host computer, one or more interrogators connected to the host computer, and a large body of transponders distributed within an area covered by the interrogators. Each transponder originally has a common identifi...
08/07/2007
7253715Secure cargo transportation system
A method of controlling access to a movable container, the method comprising controllably locking the container using an electronically actuated locking mechanism; storing in a memory a desired geographical location; determining the geographical location of the cont...
08/07/2007
7250863Transponder and a sensing system using the transponder
A measuring system enabled to simultaneously start measurement by a plurality of transponders by communication between a reader/writer and a plurality of transponders each with a built-in sensor is to be provided. In addition to an identifier SID intrinsic to a sens...
07/31/2007
7248210Man-portable counter mortar radar system
The present invention is a man-portable counter-mortar radar (MCMR) radar system that detects and tracks enemy mortar projectiles in flight and calculates their point of origin (launch point) to enable and direct countermeasures against the mortar and its personnel....
07/24/2007
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