Quotables
"I watched his countenance closely, to see if he was not deranged ... and I was assured by other senators after he left the room that they had no confidence in it."
U.S. Senator Smith of Indiana ; After seeing Samuel Morse demonstrate the telegraph.
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| Application No. | Application Title | Issue Date |
| 20110234447 | ACTIVE TARGET An active radar target comprising: a receive antenna for receiving a radar signal, an amplifier for amplifying the signal, and a transmit antenna for retransmitting the amplified signal, characterised in that the active radar target further includes a memory for storing... | 09/29/2011 |
| 20070126582 | Dual bit encoding / decoding of RFID signal In some embodiments of a radio frequency identification (RFID) system, multiple bits of data may be encoded at the same time based on a frequency shift key (FSK) modulation technique using multiple frequencies, by permitting any or all of the frequencies to be modulated... | 06/07/2007 |
| 20070040685 | Miniature radio frequency transceiver The present application describes an electronically powered postage stamp or mailing label and including a radio frequency identification (RFID) device and system mounted between the opposing and facing major surfaces thereof. The RFID device and system includes an inte... | 02/22/2007 |
| 20070008071 | Method and apparatus for determining the direction of movement of RFID tags and for creating constant-width interrogation zones The disclosed inventions relate to a method and apparatus for creating one-sided interrogation zones. The disclosed inventions further relate to a method and apparatus for determining the direction of movement of tagged items that pass by an RFID reader. The disclosed i... | 01/11/2007 |
| 20060244652 | Method and apparatus for surgical instrument identification Systems and methods for identifying surgical instruments by use of radio-frequency identification tags (RFID) are disclosed. In the systems and methods, each of a plurality of surgical instruments is provided with at least one RFID transponder tag storing identification... | 11/02/2006 |
| 20060103568 | Systems and methods for wirelessly determining vehicle identification, registration, compliance status and location A radar unit as a Challenger communicates with ref tag-enabled media (e.g., registration stickers, licensed plates, physical VIN tags) associated with motor vehicles to obtain vehicle-related data, e.g., vehicle identification numbers, states registration status, vehicl... | 05/18/2006 |
| 20060087404 | Remote operation system with enhanced door lock security of vehicle A remote operation system includes responders that detects the pressure of tires of a vehicle, an interrogator that is provided in a main body of the vehicle and communicates with the responders so as to process pressure data, a plurality of antennas that are provided i... | 04/27/2006 |
| 20060049917 | RFID tags combining signals received from multiple RF ports Circuits, devices and methods for use in RFID tags include receiving multiple RF signals from multiple ports. The signals are added after some processing, to produce a single combined signal. Additional components process the single combined signal by itself. ... | 03/09/2006 |
| 20060044178 | Harmonic wireless transponder sensor and method A method for detecting a latent environmental effect (such as a corrosive environment under insulation) or a latent structural change (such as a crack in a concealed structural member) at a known remote concealed location. The method of the instant invention includes th... | 03/02/2006 |
| 20060022801 | RFID tag data acquisition system An architecture of an RFID system that facilitates the accessing of RFID tag data within an RFID environment. The architecture includes a plurality of RFID readers, each reader being operative to transmit a first RF signal for scanning at least one RFID tag disposed wit... | 02/02/2006 |
| 20060022800 | Scheduling in an RFID system having a coordinated RFID tag reader array A system and method of scheduling RFID tag interrogations by a plurality of RFID readers so as to mitigate the effects of interference within an RFID environment in which the readers are deployed, and to enhance the efficiency and reliability of the overall RFID system.... | 02/02/2006 |
| 20060017608 | Methods and system suppressing clutter in a gain-block, radar-responsive tag system Methods and systems reduce clutter interference in a radar-responsive tag system. A radar transmits a series of linear-frequency-modulated pulses and receives echo pulses from nearby terrain and from radar-responsive tags that may be in the imaged scene. Tags in the vic... | 01/26/2006 |
| 20060017544 | Method for multi-reading a plurality of id's A interrogator 1 specifies the maximum read range (S0, e0) in which IDs to be read may exist (Step S1), and the interrogator 1 transmits a read request command to transponders 2 (Step S2. When there is/are a respo... | 01/26/2006 |
| 20050212692 | 2-d range hopping spread spectrum encoder/decoder system for RF tags An airborne radar interrogates tags on friendly ground vehicles, which when interrogated by a downlink signal from the radar, sends back a very low level uplink message signal that appears noise-like so as to avoid enemy detection and exploitation. This is achieved by r... | 09/29/2005 |
| 20050212661 | Data transmission method and apparatus in RFID and remote sensor systems A method and apparatus is provided for data transmission in RFID and remote sensor systems with at least one reader and a plurality of transponders or remote sensors being located in an electromagnetic field of the reader, in which a multipart return link header contain... | 09/29/2005 |
| 20050206551 | Digital rf tag An RF tag is provided to communicate with an interogating source in which the tag has programmability and flexibility to uplink data to multiple platforms. As such the RF tag functions as a miniature programmable transceiver capable of communicating with a plurality of ... | 09/22/2005 |
| 20050200515 | Radar transponder In a first aspect, the present invention relates to a transponder (TR) comprising: (i) a receiver and associated receiving antenna (ATR) for receiving incoming radar pulses in a first frequency band (F1) at an unknown pulse repetition rate, (ii) me... | 09/15/2005 |
| 20050128130 | Method for selecting transponders Known methods for the selection of transponders require a large time duration, because in this context the data transmitted according to the half-duplex principle. With the new method, the transponders can be identified with a small time expenditure through the transmis... | 06/16/2005 |
| 20050062640 | Radar systems The present invention provides a rotating antenna that can be used in combination with a coded modulated transponder as part of a vehicle positioning and tracking radar system. The antenna transmits a pair of frequency-modulated continuous-wave (FMCW) electromagnetic si... | 03/24/2005 |
