Matches 151 - 200 out of 405 < 1 2 3 4 5 6 7 8 9 >
Match Document Document Title
6452535 Method and apparatus for impact crash mitigation  
A pre-crash sensing system is provided for sensing an impact of a target vehicle ( 46 ) with a host vehicle ( 12 ). The target vehicle ( 46 ) has side transponders that generate side identification...
6452980 Encoding/decoding system for coherent signal interference reduction  
An apparatus is described for reducing coherent signal interference between at least two bit streams framed with a common clock signal. The apparatus includes an internal clock signal generated...
6448903 Device for detecting internal pressure of air-filled gunwale protector  
The present invention relates to an internal-pressure detection apparatus for a pneumatic fender that can reduce the labor of maintenance. The internal-pressure detection apparatus is configured of...
6420994 Volume in space locator  
Methods and apparatus for determining location information corresponding to a volume in space (VIS) that is occupied by a selected target from a remote observation platform through the process of...
6420996 Integrated radar and active transponder collision prediction system  
A method and apparatus for permitting a host automotive vehicle to avoid or mitigate the consequences of a collision between the host vehicle and a target automotive vehicle by using a combination...
6414626 INTERROGATORS, WIRELESS COMMUNICATION SYSTEMS, METHODS OF OPERATING AN INTERROGATOR, METHODS OF OPERATING A WIRELESS COMMUNICATION SYSTEM, AND METHODS OF DETERMINING RANGE OF A REMOTE COMMUNICATION DEVICE  
Interrogators, wireless communication systems, methods of operating an interrogator, methods of operating a wireless communication system and methods of determining range of a remote communication...
6407695 Process for carrying out a non-contact remote enquiry  
The invention relates to a system suitable for a remote interrogation of passive transponders using chirp signals for interrogation. The transponder preferably has an encoding unit ( 11 ), a...
6396434 Radar transponder  
Upon receiving a radar electric wave from a search radar, a radar transponder according to the present invention generates a trigger signal in response to the reception of the radar electric wave....
6384767 Circularly polarizing radar transponder and lifesaving apparatus  
Described herein is a circularly polarizing radar transponder. The circularly polarizing radar transponder comprises a helical type circularly polarizing antenna unit for receiving all of a...
6377203 Collision arbitration method and apparatus for reading multiple radio frequency identification tags  
A method for simultaneously reading a serial number and/or other information from multiple colliding RF signals from RF identification tags requires minimal additional logic in the tag's processor...
6362772 Transponder plot system and method  
A system and method for providing remote viewing of satellite transponder plots. The system and method piovides for remote viewing of transponder plots derived from transponders located on a...
6356228 Automatic airport information transmitting apparatus  
There is provided an automatic airport information transmitting apparatus comprising: airport-inside-target detecting means for detecting a target inside an airport; target judging means for...
6356201 System and method for monitoring a cover layer of a composite structure wherein the cover layer is subjected to wear  
The invention relates to a system for monitoring a layer ( 8 ), which is subjected to wear, of a composite structure ( 2 ) and relates especially to a system for monitoring the cover layer ( 8 ) of...
6353406 Dual mode tracking system  
System for tracking mobile tags. Cell controllers with multiple antenna modules generate a carrier signal which is received by the tags. Tags shift the frequency of the carrier signal, modulate an...
6351708 Vehicle navigation system and method  
A vehicle navigation system and method in the present invention comprises a navigation apparatus transmitting a current position of a vehicle and a target destination of the vehicle, and a base...
6346877 Vehicle security system including information display unit and related methods  
A vehicle security system includes a transmitter to be carried by a user, a controller at the vehicle responsive to the transmitter, and an information display unit connected to the controller. The...
6344820 Passive SSR system  
A reply is received from aircrafts for calibration in response to an interrogation of SSR stations to detect transmission timing of the interrogation of the SSR stations and directly-facing timing...
6342844 Two-way radio-based electronic toll collection method and system for highway  
This invention relates generally to automatic radio-frequency (RF) real-time high-way toll collection from moving vehicles. It especially adapted to the use of an untraceable electronic check...
6340932 Carrier with antenna for radio frequency identification  
A carrier, as used for example to transport several radio frequency identification devices, includes a circuit having an antenna and a series capacitor for tuning the antenna. Enhanced transceiver...
6329944 Tag communication protocol & system  
A method of communicating to a RF tag having a low power mode and a scan mode with a radar and an interrogator. The method comprises the steps of alternating the RF tag between the low power mode...
6313783 Transponder having directional antennas  
A method and apparatus for transmitting a directional reply signals in response to Air Traffic Control Radar Beacon System and Mode Select signals interrogation signals. Two directional antennas...
6297747 Tool or tool holder  
A tool holder for holding a tool has at least one sensor for measuring an operating parameter of the tool holder or the tool during the operation thereof and generating measured value signals which...
6294953 High sensitivity demodulator for a radio tag and method  
A radio frequency tag accepts a received signal received by an antenna and demodulates that signal into a digital output using a comparator. The received signal is forwarded to a first comparator...
6288629 Method of using write--ok flag for radio frequency (RF) transponders (RF Tags)  
A method of sending data from a base station to a passive RF tag and writing the data to a tag non-volatile memory which detects a "partial write", where the tag voltage falls during the write...
6285858 Electronic toll collection system and method featuring antenna arrangement  
A system for establishing radio communications between an in-vehicle unit and a road unit, including a signal controller in response to an output of an approaching vehicle detector, includes an...
6285295 Passive remote programmer for induction type RFID readers  
A hand held passive remote programmer for Radio Frequency Identification readers has a keyboard for turning on any one of several RFID transponder tags in the programmer. Each transponder of the...
6281794 Radio frequency transponder with improved read distance  
A radio frequency identification transponder (RFID tag) in accordance with the principles of the present invention includes a tag antenna and RFID circuitry having respective input impedances Za...
6271765 Passive garage door opener  
A passive garage door opener system includes a sensor for determining the position of the vehicle relative to the receiver. When the vehicle is within a predetermined area near the receiver, the...
6253148 Information system for informing users of a public transport network about waiting times at stops in the network  
An information system for informing users of a bus network about waiting times for buses at stops in the network. The system includes a system for locating buses coupled to a central point which...
6246356 Omnidirectional transponder  
A transponder for automatic identification and corresponding systems. The transponder may include patch antennas for reflecting transponder data as information sidebands of a microwave signal...
6233519 Car-mounted equipment  
A car-mounted equipment in which an ETC car-mounted unit and a navigation system work integrally together to share the data, making it possible to diversify the functions, to enhance the precision...
6222487 System and method for measurement  
A method and a system for determining an altitude of an object of interest, for example, an airplane that transmits electromagnetic radiation in the form of radar signals. A number of sub-units...
6219613 Vehicle position determination system and method  
A vehicle position determination system for determining the position of a moving vehicle having a transponder includes a first and second antennas operable to receive periodic radio frequency data...
6215437 Procedure for reading the data stored in a transponder and a transponder system for the execution of the procedure  
For reading the data stored in a transponder by means of an interrogation device, the interrogation device at first receives the background noise for the purpose of detecting interference...
6208284 Radar augmented TCAS  
An improved traffic alert and collision avoidance method and device wherein TCAS data is augmented by higher resolution radar data. By using radar to search out targets, altitude information can be...
6204765 Method of detecting relative direction of motion of a radio frequency (RF) tag  
A method of determining relative motion between a base station and an RF Tag is disclosed, wherein a property of the RF field at the position of the tag is determined at a first time and at a...
6150926 Vehicle security system including indicator mounted to window antenna unit and related methods  
A vehicle security system includes a first housing for positioning adjacent the front windshield area of the vehicle, and an antenna carried by the first housing for receiving signals from the at...
6147621 Access control system for controlling the access to at least one space, and product including an access control system  
In an access control system (8)--which comprises a transponder communication device (9) and at least two transmission coils (11, 12) connected to the transponder communication device (9), for...
6144332 Passive surface wave sensor which can be wirelessly interrogated  
In a passive surface wave sensor for measured value determination, a measured value is transmitted by radio from a remote measuring location to an interrogation device, which transmits energy by...
6121892 SAW identification or sensor configuration operating with surface acoustic waves  
An SAW identification or sensor configuration or ID tag operating with surface acoustic waves for information systems, includes acousto-electrically active components disposed in different acoustic...
6122329 Radio frequency identification interrogator signal processing system for reading moving transponders  
An RF/ID interrogator recovers a backscattered data signal from a moving RF/ID transponder by combining the received in-phase (I) and quadrature-phase (Q) components of the signal in a manner that...
6104290 Contactless identification and communication system and method of operating the same  
A contactless identification and communication system and method of operating a contactless identification communication system comprising a reader and one or more transponders, wherein the or each...
6104337 Distance indicator system for golf  
A golf distance indicator system provides measurement and display of the distance between a golfer and the pin on the green he is approaching. The system comprises a portable unit carried by the...
6100840 Radio frequency tag system  
The RF tag system of the present invention minimizes the effect of the RF tag on the overall radar cross section (RCS) of the object with which it is associated, tailors the signal reflected from...
6100804 Radio frequency identification system  
A radio frequency identification system employing a thin, flexible electronic radio frequency identification (RFID) tag having an overall thickness not exceeding approximately 280 microns and the...
6097301 RF identification system with restricted range  
A method of adjusting the 2-way communication range of an RFID system to assist a human operator to individually handle and interrogate a plurality of tagged objects, such as suitcases, that each...
6089284 Preconditioning a fuel dispensing system using a transponder  
A fuel dispensing system for providing dual-stage preconditioning and authentication for enhancing a fueling transaction. The system includes a fuel dispenser associated with a control system and a...
6091342 Transponder communication device for the contactless communication with at least one transponder, and transponder for the contactless communication with at least one transponder communication device  
A transponder communication device has an interrogation signal generator for generating an interrogation signal, a transmitter for transmitting the interrogation signal to a number of transponders,...
6087973 Increased accuracy of range measurement between data link systems  
A method for increasing the accuracy of ranging measurements between data link systems is described. The method, actively aided ranging, increases ranging measurement accuracy by decreasing the...
6084530 Modulated backscatter sensor system  
A radio communication system includes an Interrogator for generating and transmitting a radio signal. One or more Tags contained within the radio communication system receive the radio signal. A...
Matches 151 - 200 out of 405 < 1 2 3 4 5 6 7 8 9 >