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Class 342/350 - DIRECTIVE


Subclass of Class 342 - Communications: directive radio wave systems and devices (e.g., radar, radio navigation)
Definition: Devices and processes for sending or receiving radio wave
No. of patents: 61
Last issue date: 09/13/2011


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NumberTitleIssue Date
8018376GNSS-based mobile communication system and method
A GNSS-based, bidirectional mobile communication system includes a mobile unit, such as a vehicle or a personal mobile system, with GNSS (e.g., GPS) and Internet (worldwide web) access. A base station also has GNSS and Internet access, and provides differential (e.g...
09/13/2011
7952517Method of transmitting a satellite positioning signal from an external antenna to an unexposed receiver, especially in mechanical vehicles
A device for transmitting a satellite positioning signal received by an external antenna to an unexposed receiver having an internal receiving antenna. A method of transmitting satellite positioning signal received by an external antenna to an unexposed receiver hav...
05/31/2011
7663538Electromagnetic signal emitting and/or receiving device and corresponding integrated circuit
Electromagnetic signal emitting and/or receiving device and corresponding integrated circuit. The electromagnetic signal emitting and/or receiving device defines a minimum operational bandwidth and includes one or several arrays of antennas, each having at least one...
02/16/2010
7415354System and method for GPS acquisition using advanced tight coupling
A system and method for GPS acquisition in relatively high interference is described. Acquisition is aided by an Advanced Tightly Coupled (ATC) tracking filters that compute a satellite range residuals and range rate residuals for satellites being acquired. Multiple...
08/19/2008
7370362Method and apparatus for locating rogue access point switch ports in a wireless network
Methods and apparatus are disclosed for locating and disabling the switch port of a rogue wireless access point. In one embodiment, a network management device is configured to detect the presence of a rogue access point on a managed wireless network. Once detected,...
05/06/2008
7315279Antenna system for producing variable-size beams
An antenna system has multiple antenna feed elements combined in a number of element sets independently controlled to provide a beam of a variable size. Multiple input power dividers are provided for dividing an input signal, and multiple phase controllers are respe...
01/01/2008
7293088Tag location, client location, and coverage hole location in a wireless network
Determining the location of a radio tag or client station of a wireless network, and the location of coverage holes by receiving from a plurality of wireless stations of the wireless network path loss information of the path loss of one or more location frames recei...
11/06/2007
7292848Method of activating an in-vehicle wireless communication device
The invention provides a system and method for activating an in-vehicle wireless communication device. A mobile identification number associated with the wireless communication device is provided. A broadcast signal containing the mobile identification number and a ...
11/06/2007
7289812Location-based bookmarks
Methods and apparatus, including computer program products, implementing and using techniques for using a location aware device to determine a current location, recording a location bookmark for the current location using the location aware device, storing the locat...
10/30/2007
7286515Method, apparatus, and software product for detecting rogue access points in a wireless network
A method, an apparatus, and a software program to implement a method to detect a rogue access point of a wireless network. The method includes maintaining an AP database that includes information about managed access point (APs) and friendly APs, including the MAC a...
10/23/2007
7254519Multi channel multiplexed inspection system and method
Provided are systems and methods for multi-channel non-destructive inspection which provide high data throughput, logarithmic amplification of large dynamic range, and simplicity of supporting electronics. More specifically, provided are systems and methods for insp...
08/07/2007
7254118Method and apparatus in a CDMA communication system
A novel and improved method and apparatus, in a WCDMA communication system (100), for informing a mobile station (101) of a downlink data frame time offset by determining the downlink data frame time offset, and transmitting the downlink data frame tim...
08/07/2007
7230573Dual-band antenna with an impedance transformer
A dual-band antenna (1) for communication device includes a first radiating element portion (10) operating at a first frequency band, a second radiating element portion (20) operating at a second frequency band, an L-shaped ground portion (40...
06/12/2007
7200470Train detection system and a train detection method
A train detection system includes transmitters receivers connected to a track circuit for transmitting and receiving a train detecting signal to and from the track circuit, and a control device on the ground, which transmits the train detecting signal to the transmi...
04/03/2007
7199883System and method for sensing position of a vehicle
A system determines the position of a vehicle moving responsive to an inverter having a 360 degree electrical cycle. The system includes a guideway comprising a linear synchronous motor excited by the inverter, a MAGLEV adapted to move with respect to the guideway a...
04/03/2007
7174301System and method for accessing geographic-based data
A system and method for creating a unified commercial real estate data model through collection, distribution and use of information in connection with commercial real estate and for creating a web-based marketplace that facilitates the efficient and secure buying, ...
02/06/2007
7107012Radio base station for wirelessly communicating with a radio terminal
A radio antenna of a radio base station is a directional antenna. The antenna searches for a peripheral radio base station by changing the directivity of the antenna. An operating channel and electric field intensity of the other base station are acquired by the sea...
09/12/2006
7092673Angle of arrival estimation in a wireless telecommunications network
The present invention relates to estimating the Angle of Arrival (AoA) of a signal from a user equipment received at a base station of a wireless telecommunications network where the base station has a multi-beam antenna. A signal received from a user equipment is r...
08/15/2006
7065373Method of steering smart antennas
The invention includes a method of communicating in a network of multiple nodes transmitting and receiving messages to and from each other. The method includes (a) scanning in synchronism a receive directional beam of an antenna of a first node and a receive directi...
06/20/2006
7035654System and method for providing GPS-enabled wireless communications
Systems and methods are described that provide global positioning system (GPS) enabled wireless communications. The wireless communications system provides a switching module that is adapted to couple communications circuitry to a first antenna or a second antenna a...
04/25/2006
7017864Railway track circuits
Railway track circuit apparatus for train detection comprises a track circuit transmitter and a receiver, wherein the transmitter generates a QPSK modulated signal that is transmitted into a track circuit and which is detected by the receiver. ...
03/28/2006
7013570Stud finder
A stud finder for a light generating device, having a surface and a connection structure on the surface to removably mount either a light generating device or a leveling device thereto. ...
03/21/2006
6996420Radio communication system, mobile terminal unit thereof, and azimuth determining method
Disclosed are a mobile station unit which can obtain azimuth information with a simple construction and a radio communication system including the mobile terminal unit. According to the present invention, in a terminal station, an arrival direction obtaining section...
02/07/2006
6978093Free space optical communication network
The present invention provides a method and network for communicating over free space links. The network includes a plurality of buildings, each housing at least one of a residence and a business. Pluralities of free-space optical links are established, where each o...
12/20/2005
6976561Elevator system having terminals with wireless transmitting/receiving unit
An elevator system in which a car travels upward and downward among a plurality of floors. The elevator system includes terminals each having a wireless transmitting/receiving unit. One of the terminals is correspondingly provided for at least one of the plurality o...
12/20/2005
6956535Coaxial inductor and dipole EH antenna
An antenna for generating radiation includes a primary E-field generating circuit and a secondary E-field generating circuit. The primary E-field generating circuit generates a primary E-field in response to a source RF signal being applied to the antenna. The secon...
10/18/2005
6954176Device and method for an antenna array with switchable wide-angle coverage
In order in simple manner to switchably cover a wide angle in sectors using an antenna array with broad main lobe, an antenna elements are so arranged, that the elements can be individually selected, so that some elements of the array can be operated in-phase and ot...
10/11/2005
6952086Linear position sensing system and coil switching methods for closed-loop control of large linear induction motor systems
A control system for a linear motor adapted to accurately supply a moving window of power to the stator coils. A plurality of individually switched stator coils run the length of a linear motor to move a rotor down the long axis of the stator. Accurate inductive-bas...
10/04/2005
6952654Methods for calculating the voltage induced in a device
Methods are disclosed for calculating the amount of voltage coupled to a device. In some embodiments, the method may comprise identifying a conductor that is coupled to a device, extracting information regarding the relationship between the conductor coupled to the ...
10/04/2005
6917326Vibratory cleaning mechanism for an antenna in a time-of-flight based level measurement system
An antenna assembly for use with a level measurement device for measuring the level of a material held in a container is provided. The antenna assembly includes an upper section for coupling to the level measurement device, and an antenna for transmitting energy pul...
07/12/2005
6917136Synchronous machine design and manufacturing
Synchronous motors according to the invention operate at higher efficiency, with lower cost, reduced mass and reduced cogging. Magnet dimensions are selected that reduce cogging forces to a negligible amount even though there are fewer slots than normal. Optionally,...
07/12/2005
6842674Methods and apparatus for decision making of system of mobile robotic vehicles
In a swarm weapon system, decision-making processes are described for the organization of mobile robotic vehicles (MRVs). After MRV drone sensor data is provided to a lead MRV, an initial decision is made by the lead MRV as a result of the selection of a winning sim...
01/11/2005
6826385Method and system for distributing geographical addresses across the surface of the earth
A method and system for increasing the number of geographical addresses for mobile devices in regions of the Earth nearer to the equator than those regions closer to the North and South poles and without significantly increasing the size (number of bits) of the addr...
11/30/2004
6795771Method and apparatus for correlating a satellite signal with a reference code
A method and apparatus for correlating a satellite signal with a reference code is described. In an example, samples of a satellite signal having a repeating code are received. At least one fast convolution between the samples and the pseudorandom reference code is ...
09/21/2004
6621418Device warning against the presence of dangerous objects
The present invention relates to devices enabling a person moving along a given path to be warned against the presence on the path of objects that might present a danger for that person. The device of the invention is characterized essentially by the fact...
09/16/2003
6573799Clock system and corresponding method for providing a clock time accounting for systematic error
Method for accounting for factors (such as temperature) causing systematic errors (time-varying or constant) in a clock, such as a clock used in a ranging receiver (for use with a positioning system such as the Global Positioning System), and a correspond...
06/03/2003
6553210Single antenna for receipt of signals from multiple communications systems
A method and device for using a single antenna for simultaneously receiving radio frequency signals in a first radio frequency band and radio signals in a second radio frequency band different from the first radio frequency band....
04/22/2003
6266006Arrow detector
A metal detector for detecting missing arrows includes a housing having a fastener for mounting to an arrow shaft. The detector includes an antenna, a circuit connected to the antenna for detecting the proximity of metallic arrow parts to the antenna, and...
07/24/2001
6205378Adaptive mass expulsion attitude control system
An attitude control system and method operative with a thruster controls the attitude of a vehicle carrying the thruster, wherein the thruster has a valve enabling the formation of pulses of expelled gas from a source of compressed gas. Data of the attitu...
03/20/2001
6195555Method of directing a call to a mobile telephone in a dual mode cellular satellite communication network
A method of directing a call to a mobile telephone in a dual mode cellular satellite communications network is disclosed. An alert signal is transmitted to the mobile telephone using base stations of the cellular network if the mobile telephone is current...
02/27/2001
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