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Patent Searching and Data


Matches 451 - 500 out of 2,775

Document Document Title
WO/2003/044899A1
A phased array antenna having a plurality of independent antenna modules which are arranged in a manner to significantly improve cross polarization isolation of the antenna. The antenna modules are arranged in rows and columns to form a ...  
WO/2003/043125A1
A phased array antenna system that is operative to simultaneously form multiple beams without requiring an undue amount of hardware. The system collects propagating energy with a number of antenna elements to form multiple beams, encodes...  
WO/2003/041218A1
A phased array antenna system operative to broadcast multiple beams that each include coded data for specific users located within the coverage area of the corresponding beam. An appropriate receiver then receives and decodes a particula...  
WO2002041449A3
A combined directional beam and omnidirectional antenna comprises a unitary structure having a plurality of antennas being configured and oriented to achieve both directional beam coverage and omnidirectional beam coverage.  
WO2002058411A3
There is disclosed a system and method for the on-line insertion of line replaceable units (such as circuit board cards (220, 230, 240, 250, 260, 270, 280) into a backplane (210) of a processor shelf (170), a modem shelf (140), or a simi...  
WO/2003/039027A1
The inventive radio communication method for a wireless local network and a transceiving device relate to wireless local networks (WLAN) comprising the multitude of transceiving devices of users (14, 15, 16...N). Said method consists in ...  
WO2001071849A8
A reconfigurable antenna capable of dynamic reconfigurability of several antenna parameters. Specifically, the present invention is an antenna comprising a plurality of surface PIN devices arranged in a gridlike array. Each of the SPIN d...  
WO2003019726A3
An antenna and antenna excitation method. The inventive antenna includes a cylindrical array (20) of radiating elements. Each of the elements is mounted at a predetermined substantially transverse angle relative to a longitudinal axis. A...  
WO/2003/030303A1
A small−sized and lightweight radio wave lens antenna apparatus which has a high degree of freedom to select installation sites, compactly installed on wall faces, and mitigated in installation restrictions in space. A semispherical Lu...  
WO/2003/029838A1
A finder for finding the bearing&sol location of a radio wave emission source with high accuracy. The finder comprises first and second directional antennas rotating with a desired angle of elevation, first and second phase integration m...  
WO2002015323A9
A multiple beam array antenna system comprises a plurality of radiating elements provided from stripline-fed open-ended waveguide coupled to a Butler matrix beam forming network. The Butler matrix beam forming network is coupled to a swi...  
WO/2003/023898A1
A method and apparatus is provided that allows M transceivers to transmit/receive using M2?N¿ distinct beams using passive beam steering. This provides for the use of arbitrary narrow beams with a number of transceivers that is a fracti...  
WO/2003/023897A1
A method and apparatus is provided that allows M transceivers to transmit/receive using M2?N¿ distinct beams using passive beam steering. This provides for the use of arbitrary narrow beams with a number of transceivers that is a fracti...  
WO/2003/023436A2
A method and system for are provided for detecting one or more radar targets of interest in the presence of jamming signals. A plurality of sub-arrays are formed from an antenna array. Sub-array beams are adaptively formed so as to point...  
WO/2003/023895A2
An adaptive antenna signal identification process to provide increased interference rejection in a wireless data network such as a wireless Local Area Network (LAN) (11-1, 11-2), The adaptive antenna (20-1, 20-2)is located at an access p...  
WO/2003/021993A1
A transceiver for use in a wireless access network (100) comprising a plurality of base stations (110), each of the plurality of base stations (110) capable of bidirectional time division duplex (TDD) communication with wireless access d...  
WO2002057919A3
Data which must be memory equalized across a redundant, high availability system (165) utilizing processor-based components is structured in memory segments which form data packets for a data link (230) between active and standby compone...  
WO/2003/019727A1
An electronic scanning antenna system configured for beam scanning operation includes a plurality of antenna modules (10, 70, 70'), each respective antenna module (10, 70, 70') including: (a) a plurality of antenna elements (166, 168, 17...  
WO/2003/019717A2
Systems and methods for providing antenna beams having reduced grating and side lobes when steered off of the antenna broadside are disclosed. According to the present invention an arrangement of antenna elements (410) suitable for use i...  
WO/2003/019726A2
An antenna and antenna excitation method. The inventive antenna includes a cylindrical array (20) of radiating elements. Each of the elements is mounted at a predetermined substantially transverse angle relative to a longitudinal axis. A...  
WO2002058273A3
A communication system (10) has a high altitude device (19) having an adaptive antenna (31) with a plurality of main array antenna elements for generating a plurality of communication beams. The system (10) further includes a gateway sta...  
WO/2003/016943A1
A near object detection (NOD) system includes a plurality of sensors, each of the sensors for providing detection coverage in a predetermined coverage zone. Each of the sensors includes a transmit antenna for transmitting a first RF sign...  
WO/2003/017552A2
An all-weather housing (10) for outdoor microwave radio nodes (212, 213, 214, 215, 216, 217) arranged in a network (211), each node capable of directing or receiving a beam of microwave energy (17) in a selected direction, the housing in...  
WO/2003/015212A1
A partially deployed antenna array system that provides many beams per array and also reduces the amount of expensive advanced high density packaging that is required. The beamforming circuitry is located on the spacecraft bus, while the...  
WO/2003/012924A1
The invention relates to a device for producing secondary radiation diagrams which are respectively arranged between horizontally staggered main radiation diagrams of a phased array antenna system, said diagrams having the same polarisat...  
WO2002058272A3
A communication system (10) has a first plurality of wireless basestations (18) having adaptive antennas with a plurality of main array antenna elements (56) for generating a plurality of communication beams. The system (10) further incl...  
WO/2003/009421A1
An apparatus (400) for effecting transfer of electromagnetic signals intermediate a host device (402) and a medium adjacent to the antenna includes: (a) a plurality of antenna elements (420) arranged in an array (404) in facing relation ...  
WO/2003/009276A2
The present invention relates to sonar beamforming systems and methods, using a forward-looking sonar having transmit and receive transducer arrays with a beamforming device and at least one side-looking sonar having dynamically range-fo...  
WO/2003/007494A1
A method and apparatus for enhancing the data transmission capacity of a wireless communication system includes a smart antenna array (408 and 409) for forming a pattern to communicate with a plurality of mobile devices and control circu...  
WO/2003/007488A2
The present invention relates to a method and apparatus for selectively receiving a radio frequency (RF) signal which utilizes an array of antenna elements (101) for receiving the RF signal, a navigational controller (105) for determinin...  
WO2002014891A3
A radar detection process includes computing a derivative of an FFT output signal to detect an object within a specified detection zone. In one embodiment, a zero crossing in the second derivative of the FFT output signal indicates the p...  
WO/2002/101881A1
A phased array antenna provides a subscriber unit with an ability to transmit and receive signals in different directions to allow for optimum gain in both directions, simultaneously. In this way, refraction and multipath effects resulti...  
WO/2002/099927A1
A mobile wireless terminal (1) comprises a case (2, 3) shown in Fig. 15B, display means (12) having a display part exposed in an opening window (6) of the case shown in Fig. 15A, a circuit board (10) which is housed in the case shown in ...  
WO/2002/097919A1
There is described an antenna assembly made up of a number of separate antenna elements. Each element is a substantially planar array having a length substantially greater than its width. The elements are mounted with their co-axes paral...  
WO2002058409A3
Apparatus (302, 304, 314), and an associated method, for creating a profile (402) associated with burst data signals (204) communicated to a base station (110) of a fixed wireless access communication system (100). The profile (402) is c...  
WO2002067614A3
Apparatus, and an associated method, for a fixed wireless access communication system (10), by which to initiate a call to an emergency dispatch center (338), or other priority call to a priority location. When communication resources ar...  
WO2002067613A3
Apparatus, and an associated method, for a fixed wireless access communication system (10), by which to initiate a call to an emergency dispatch center (34), or other priority call to a priority location. When communication resources are...  
WO2002058413A3
An apparatus, and an associated method, operates upon bursts of data signals received at a base station (110) in a fixed wireless access communication system (100). A controller (314) is provided in a base transceiver station that is cap...  
WO/2002/087096A1
An apparatus that is employed to increase the data transfer capacity between transmitters and receivers for short-range data communication, particularly for the ISM frequency bands where different transmitters with different modulation a...  
WO2002057925A3
There is disclosed a system and method for providing an improved common control bus (530) for use in the on-line insertion of line replaceable units (such as circuit board cards (220, 230, 240, 250, 260, 270, 280) into a backplane (210) ...  
WO2001061785A9
An antenna device includes a dual polarized quad-ridge antenna horn an electrically conductive conduit with first and second opposite ends along a horn axis. Four electrically conductive ridges are carried on an inner side of the electri...  
WO/2002/073739A1
Multibeam microwave Base Antenna Station for the creation of fixed wireless Network of urban scale and topology of 'star' type for the frequency range of 30 GHz and higher. With the purpose of providing narrow, address or group connectio...  
WO/2002/071545A1
A device for receiving/transmitting electromagnetic signals from/to at least two satellites fixedly located at points at the geostationary path comprises an antenna, for example a lens (1) of waveguide nature. The antenna images remote p...  
WO/2002/071695A2
There is disclosed a radio frequency (RF) modem shelf (140) for use in a fixed wireless access network (100) comprising a plurality of base stations (110) capable of bidirectional time division duplex (TDD) communication with wireless ac...  
WO/2002/069449A1
Four antenna elements arranged on the circumference of a circle at equal intervals and four 90-degree hybrids each having four terminals are provided. Two 90-degree hybrids placed parallel are connected in two stages, four output termina...  
WO/2002/067613A2
Apparatus, and an associated method, for a fixed wireless access communication system (10), by which to initiate a call to an emergency dispatch center (34), or other priority call to a priority location. When communication resources are...  
WO2002031908A3
An indoor antenna 20 includes a unitary support structure having a plurality of support surfaces 26, 28, 29, 30. At least one antenna element 32, 34, 36, 38 is mounted to each of the support surfaces. The support surfaces 26, 28, 29, 30 ...  
WO/2002/067614A2
Apparatus, and an associated method, for a fixed wireless access communication system (10), by which to initiate a call to an emergency dispatch center (338), or other priority call to a priority location. When communication resources ar...  
WO2002014898A3
A near object detection (NOD) system includes a plurality of sensors, each of the sensors for providing detection coverage in a predetermined coverage zone and each of the sensors including a transmit antenna for transmitting a first RF ...  
WO/2002/061882A1
The invention concerns a reflector and a satellite antenna system comprising such a reflector. In the satellite antenna system, microwave radiation from one or more feed horns (5) is emitted at the reflector (1), which comprises first an...  

Matches 451 - 500 out of 2,775