Entries |
Document | Title | Date |
20080198079 | Mote networks having directional antennas - A mote network having and/or using one or more directional antennas. | 08-21-2008 |
20080204339 | External antenna for RFID remote interrogation - A system to capture a remote RFID electro magnetic interrogation of a warehouse or distribution center environment through the propitious use of an external directional antenna. A method of manufacturing said external directional antenna from a composite of aluminum shavings and ceramic powders. This remote RFID electro magnetic interrogation signal is contemplated to emanate from a cellular telephone transmission tower transmitting in the ultra high frequency or microwave band. This electro magnetic RFID interrogation signal is harvested by the external directional antenna and relayed to a ceiling mounted transformer/amplifier/antenna unit located within the confines of the warehouse or distribution center. The initial signal is modulated and re-radiated within the environment to resonate with the frequencies of the RFID passive transponders to be interrogated. The data obtained using the industry standard backscatter methodology is then modulated and transmitted via ultra high frequency or microwave to the initial inquiry source. | 08-28-2008 |
20080218425 | Single pole vertically polarized variable azimuth beamwidth antenna for wireless network - A single pole antenna array architecture provides an azimuth variable beamwidth. The array includes a number of driven radiating elements that are spatially arranged having a pivoting actuator so as to provide a controlled variation of the antenna array's radiation pattern. | 09-11-2008 |
20080258986 | ANTENNA ARRAY FOR A HI/LO ANTENNA BEAM PATTERN AND METHOD OF UTILIZATION - Antenna arrays configured to produce directional antenna beam patterns are described. An antenna array produces a Hi antenna beam pattern and a Lo antenna beam pattern. Based on received satellite information, a mechanically scanning directional antenna system operates to adjust the azimuth direction of the antenna between the two beam patterns to maintain optimum satellite signal reception at different geographical locations and different elevation angles. In one embodiment an antenna mechanically adjusts direction based on geographical location information such as latitude and longitude received by a Global Positioning System (GPS) receiver. In another embodiment, an antenna mechanically adjusts its direction based on received satellite quality metrics such as signal to noise ratio, bit error rate, and/or received power, and uses these signal quality metrics to track the satellite. | 10-23-2008 |
20080266193 | Antenna - An antenna has a 90-degree polarization separation between at least two antenna elements regardless of how a user adjusts the antenna, and yet enables the user to adjust the antenna for the best signal reception. The antenna has a pivotally adjustable structure that is configured to maintain the antenna elements at substantially a right angle with respect to each other, including a universal joint that enables the antenna to be rotated in mutually orthogonal planes. The user in one step can adjust the antenna for the best reception and simultaneously maintain optimum polarization separation between the main and the diversity antenna elements. | 10-30-2008 |
20080278395 | BELOW HORIZON ANTENNA AIMING - According to the invention, a system for aiming an antenna in a direction below-horizon is disclosed. The system may include a support member, a spherical structure, and at least one arm. The support member may be coupled with a surface. The spherical structure may be coupled with the support member and the spherical structure may be at least partially spherical in shape about a central point. The at least one arm may be rotatably coupled with the spherical structure. The at least one arm may be coupled with the antenna. The at least one arm may at least partially defines a void. And the support member may be at least partially disposed within the void when the antenna is aimed in the direction below-horizon. | 11-13-2008 |
20080284669 | System and method for remote antenna positioning data acquisition - The present invention provides a remote antenna system employing digital imaging means by which the operator can view both the antenna pointing data and the coverage landscape from the antenna radome perspective. The present invention also provides a method for antenna positioning data acquisition and positioning control employing remotely acquired image data. | 11-20-2008 |
20080309568 | Triple stagger offsetable azimuth beam width controlled antenna for wireless network - A variably controlled stagger antenna array architecture is disclosed. The array employs a plurality of driven radiating elements that are spatially arranged having each radiating element or element groups orthogonally movable relative to a main vertical axis. This provides a controlled variation of the antenna array's azimuth radiation pattern without excessive side lobe radiation over full range of settings. | 12-18-2008 |
20080316132 | Method of aligning antenna azimuth - There is disclosed a method of aligning an azimuth of an antenna by use of an antenna azimuth aligning instrument capable of economically and precisely aligning the azimuth in a case where a direction of a main beam of a directional antenna is matched with a counter antenna. There is provided a method of aligning the azimuth of the directional antenna by use of the antenna azimuth aligning instrument to be attached to the antenna for use in radio communication, the azimuth aligning instrument includes an aiming hole whose central axis is constituted in parallel with a main beam azimuth of the antenna and in which a diameter of an opening | 12-25-2008 |
20090015498 | Dual staggered vertically polarized variable azimuth beamwidth antenna for wireless network - An antenna system for wireless networks having a dual stagger antenna array architecture is disclosed. The antenna array contains a number of driven radiator elements that are spatially arranged in two vertically aligned groups each having pivoting actuators so as to provide a controlled variation of the antenna array's azimuth radiation pattern. | 01-15-2009 |
20090033575 | SYSTEM AND METHOD FOR ANTENNA TRACKING - A method includes determining if a dynamics requirement for an antenna positioner is exceeded, and employing a combination of mechanical and electronic beam steering techniques to steer a single antenna beam if the dynamics requirement is exceeded. | 02-05-2009 |
20090066595 | Diversity Antenna System with Electrical Tilt - A diversity antenna system with electrical tilt has two dual polarised, tilt adjustable antenna stacks ( | 03-12-2009 |
20090073064 | SYSTEM FOR ELECTRONICALLY ALIGNING THE POLARIZATION OF AN ANTENNA - This invention concerns a system ( | 03-19-2009 |
20090102733 | ANTENNA SYSTEM AND METHOD FOR CONTROLLING AN ANTENNA PATTERN OF A COMMUNICATION DEVICE - The present invention provides an antenna system and method for controlling an antenna pattern in a communication device. The antenna system comprises one or more rotatable antennas and one or more antenna reflectors. The one or more antenna reflectors are electrically isolated reflecting surfaces that are operationally coupled to the one or more rotatable antennas. The method comprises aligning the one or more rotatable antennas in one or more positions with respect to the one or more antenna reflectors so as to provide a repeatable antenna pattern. | 04-23-2009 |
20090128433 | Antenna assembly - An antenna assembly ( | 05-21-2009 |
20090146894 | RECONFIGURABLE ANTENNA STEERING PATTERNS - A method of configuring a reconfigurable antenna is disclosed. The method selects an antenna configuration pattern based on previously identified antenna configuration patterns where the previously identified antenna configuration patterns have known signal beam pattern characteristics. The method applies reconfigurable antenna steering patterns based on the selected configuration pattern to configure a reconfigurable antenna. | 06-11-2009 |
20090146895 | RECONFIGURABLE ANTENNA PATTERN VERIFICATION - A method of verifying programmable antenna configurations is disclosed. The method comprises selecting a desired antenna configuration from a plurality of antenna configuration patterns, with the selected antenna configuration forming at least one reconfigurable antenna from reconfigurable antenna array elements. The method validates the formation of the selected antenna configuration to determine antenna performance of the at least one reconfigurable antenna. | 06-11-2009 |
20090146896 | ANTENNA SYSTEM - In some embodiments, the multiple antennas are cooperated in the system to provide simultaneous communication with multiple remote sites. Embodiments comprises a first variable inclined continuous transverse stub (VICTS) antenna that comprises a perimeter and an inactive region within the perimeter, a second VICTS antenna positioned at the inactive region of the first antenna, a first antenna control that steers the first antenna, and a second antenna control that steers the second antenna independent of the first antenna. In some embodiment, an antenna system is provided that comprises a first turntable having a perimeter, a first antenna having a perimeter, where the first antenna is secured on a first surface of the first turntable, a second antenna positioned proximate the first antenna and extending within the perimeter of the first turntable, where the second antenna is steerable independent of the first antenna. | 06-11-2009 |
20090174619 | SELF-SECURED ANTENNA DEVICE - An antenna device for use with a wireless signal processing interface includes a main body; an antenna module received by the main body and having a first signal-receiving bar and a second signal-receiving bar pivotally protruding from a first surface and a second surface of the main body, respectively; and a securing member having a first portion coupled to the main body and a second portion to be detachably coupled to a supporting object. The securing member is made of an elastic material and distorted when coupled to the supporting object so as to provide a securing force to fix the antenna device onto the supporting object. | 07-09-2009 |
20090189820 | Wireless UWB Connection for Rotating RF Antenna Array - A movable portion of an array of antenna elements receives RF signals. A movable ultra-wideband (UWB) transmitter is connected to each antenna element, via a RF to UWB converter. A fixed portion of the antenna array is separated from the movable portion by an air gap. The fixed portion includes one fixed UWB receiver for each movable UWB transmitter. An application system is connected to the fixed UWB receivers. The UWB signals from the movable transmitter are sent across the air gap to the fixed UWB receivers to be processed by the application system as the movable portion rotates. | 07-30-2009 |
20090243949 | COMMUNICATION MODULE AND ELECTRONIC APPARATUS - According to an aspect of the present invention, there is provided a communication module including: a substrate including a recess, the recess including a bottom face and an opening portion; a MEMS device including a directional antenna, the MEMS device disposed in the recess and including a planar portion; and a supporting section configured to support the MEMS device so that an angle between the planar portion and the bottom face is changeable, the supporting section configured to electrically connect the substrate to the directional antenna. | 10-01-2009 |
20090262035 | Method and System for Using a Wireless Local Area Network (WLAN) Phase Shifter for Smart Antenna Beam Steering - Aspects of a method and system for using a wireless local area network (WLAN) phase shifter for smart antenna beam steering are presented. Aspects of the system may enable determination of an angle of arrival (AOA) for signals received at a receiving station in a wireless network. Based on the AOA value, the receiving station may enable orientation of antenna in a smart antenna system. In a switched beam smart antenna system, antenna element(s) may be selected, which are most closely oriented toward the AOA. In an adaptive array smart antenna system, antenna beam may be steered, or reoriented, based on the AOA. | 10-22-2009 |
20090309800 | LINEAR MOTOR POWERED LIFT ACTUATOR - A lift actuator for supporting a radar antenna array and for selectively moving the antenna array between a retracted position and an erected operational position, said actuator includes a first linear induction driver movable along a first member and a second linear induction driver movable along a second member. The first and second members each have a distal and a proximal ends. The second member is pivotably connected at said proximal end to the first driver. A third rigid member is connected to the second driver. The third member has a distal end adapted to pivotably connect to a radar antenna array. The radar antenna array is constrained in the direction of the first member. | 12-17-2009 |
20100045555 | Array Antenna System Automatically Adjusting Space Between Arranged Antennas - An array antenna system including: a base frame; a plurality of antenna elements which is arranged on the base frame; a driving unit which provides a driving power to each of the plurality of antenna elements when the plurality of antenna elements is moved or transformed on the base frame; a sensor unit which senses a change of a radio wave environment; and a control unit which transmits a driving signal to the driving unit according to a change of the radio wave environment, the change of the radio wave environment being sensed by the sensor unit. | 02-25-2010 |
20100117914 | GNSS ANTENNA WITH SELECTABLE GAIN PATTERN, METHOD OF RECEIVING GNSS SIGNALS AND ANTENNA MANUFACTURING METHOD - An antenna is provided for GNSS and other applications and includes an adjustable-height vertical support PCB mounted on a ground plane and mounting a crossed-dipole radiating arm element assembly. The gain pattern of the antenna can be varied by constructing the vertical support PCB with different heights or adjusting the height and gain pattern in the field. Vehicles with significant pitch and roll can be provided with low-horizon tracking capability by providing a high-profile antenna configuration. Alternatively, low-profile configurations provide steeper gain pattern rolloff at the horizon for maximal multipath rejection and high accuracy. The droop angles of the radiating arm elements are also adjustable for varying the gain pattern and beamwidth. A matching and phasing network is connected to the radiating arm elements and provides a relatively constant input impedance for the various antenna configurations. Alternative aspects of the invention have different configurations of the radiating arm elements and ground planes. | 05-13-2010 |
20100231473 | Adjustment of Radiation Patterns Utilizing a Position Sensor - A device for a wireless RF link to a remote receiving device can radiate at different radiation patterns in response to detecting a change in the device position. As the device is moved, displaced, or re-positioned, a position sensor in the device detects the change in position and provides position information to a processor. The processor receives the position information from the position sensor, selects an antenna configuration and physical data rate based on the position information, and provides an RF signal associated with the selected antenna configuration through the antenna elements of the selected antenna configuration. | 09-16-2010 |
20100253586 | Dual Opposed Drive Loop Antenna Pointing Apparatus and Method of Operation - A pointing apparatus and method of operation for an antenna mount provided with a base frame and an antenna mount rotatably coupled together. A first wheel rigidly coupled to one of the base frame and the antenna mount driven by a mechanical linkage with a first drive wheel and a second drive wheel mounted to the base frame or the antenna mount not rigidly coupled to the first wheel. The first drive wheel and the second drive wheel driven against one another in opposite directions; a torque level unbalance applied between the first motor and the second motor operative to rotate the base frame and the antenna mount with respect to one another in a first desired direction. | 10-07-2010 |
20100321263 | Mission-Flexibility Antenna, Satellite Including Such an Antenna and Method for Controlling the Change of Mission of Such an Antenna - A mission-flexibility antenna includes a reflector and at least a first source and a second source of radiofrequency signals, which sources are arranged in front of the reflector, the reflector having a focal point and each source having a phase centre, and wherein the sources are independent, fixed and connected to separate radiofrequency feed systems defining different and predefined polarization and/or operating frequency characteristics, and in that it additionally includes means of displacement and orientation of the reflector from a first position in which the focal point of the reflector is placed at the phase centre of the first source to a second position in which the focal point of the reflector is placed at the phase centre of the second source. | 12-23-2010 |
20110037671 | Combination planar and parabolic reflector antenna to access satellite - A portable satellite tracking antenna utilizes a tiltable reflector surface, and a parabolic reflector surface to direct a satellite signal to a feed horn. A fixed flat reflector surface is utilized in conjunction with the parabolic reflector surface to increase the strength of a signal that is transmitted from the parabolic reflector surface to the feed horn. In one preferred embodiment the parabolic reflector surface is fixed, and the feed horn and tiltable reflector surface are rotatable to selected azimuth settings. The cant of the tiltable reflector surface is adjusted by pivoting the tiltable reflector surface. | 02-17-2011 |
20110050524 | RECONFIGURABLE ANTENNA USING ADDRESSABLE CONDUCTIVE PARTICLES - An antenna made up of small addressable conductive segments, or pixel elements, located in a dielectric space positioned over a two-dimensional pixel element actuator is presented. The small pixel elements can be actuated in less than a millisecond by the actuator to form patterns that create an array of patch antennas and associated transmission lines on the upper surface of the dielectric space. The pixel elements can be formed using small movable conductive particles such as metal flakes or metal chips | 03-03-2011 |
20110134004 | ANTENNA DEVICE AND COMMUNICATION APPARATUS - An antenna device includes: a line-shaped antenna conductor with a predetermined length; an actuator member that directly supports the line-shaped antenna or supports the line-shaped antenna via an auxiliary member and is displaceable integrally with the antenna conductor, where the actuator member is displaced to change a position of the antenna conductor in a space; and an attaching member that attaches the actuator member and the antenna member in one longitudinal end of the antenna conductor to a communication apparatus. The actuator member performs displacement control in which one longitudinal end of the antenna conductor serves as a fixed support and the other end thereof serves as a free end to be displaceable depending on the control voltage. | 06-09-2011 |
20120182194 | ANTENNA POSITIONER SYSTEM - A three-axis antenna positioner has an X-Y over azimuth configuration, and includes an azimuth drive assembly, an X-axis drive assembly, and a Y-axis drive assembly. Each drive assembly is independently operable. The azimuth drive assembly imparts 540° azimuthal rotational motion to an antenna about an azimuth axis. The X-axis drive assembly rotates the antenna about a horizontal X-axis at elevation angles between −90° and +90°. The Y-axis drive assembly rotates the antenna about a Y-axis at elevation complement angles between −2° and +105°. The azimuth axis, the X-axis, and the Y-axis all intersect at a common intersection point, and are mutually orthogonal. A controller operates each drive assembly so as to minimize antenna tracking velocity and acceleration. Each drive assembly may include dual drives, and may be operated in a bias drive mode to substantially eliminate backlash. | 07-19-2012 |
20120256801 | RADIO WAVE RECEIVING APPARATUS AND POSITION CALCULATING METHOD - A radio wave receiving apparatus includes a plurality of antennas disposed on a circuit board, the plurality of antennas having radiation patterns with different bearings and which indicate a directivity of said antennas upon receipt of radio waves, a storage unit for storing information of the radiation patterns of the plurality of antennas, a detector for detecting a change in the attitude of the circuit board, and a controller for determining a distribution ratio for reception signals received by the plurality of antennas based on the information stored in the storage unit which corresponds to the attitude of the circuit board detected by the detector. | 10-11-2012 |
20130063320 | Terminal Axial Ratio Optimization - A method of optimizing an antenna system can include determining a desired angle to rotate an antenna based on an axial ratio of electromagnetic waves exiting a radome that surrounds the antenna. The desired angle can be determined by a computing device based on a set of axial ratio values. | 03-14-2013 |
20130169495 | MULTI-POINT DRIVING DEVICE FOR GENERAL PURPOSE BASE STATION ANTENNA - A multi-point driving device is provided for a general-purpose base station antenna and includes a fixed member, at least three direction-changeable connectors, a rigid base station antenna, and at least one linear actuator. The fixed member is coupled to an end of at least one direction-changeable connector, which provides a function of direction change. Each direction-changeable connector has an opposite end coupled to a surface of the base station antenna. The linear actuator has an end coupled to the fixed member and an opposite end carrying an operation rod coupled to an end of the direction-changeable connectors that is not mounted to the fixed member and the base station antenna, whereby a direction-changeable structure of at least three points is formed between the base station antenna and the fixed member for changing direction in at least one orientation. | 07-04-2013 |
20130300620 | APPARATUS FOR RAISING AND LOWERING ANTENNAE - This is directed to systems, processes, machines, and other means that raise and antenna. The invention can utilize an actuator to raise and lower an antenna. | 11-14-2013 |
20140028513 | TRIPLE STAGGER OFFSETABLE AZIMUTH BEAM WIDTH CONTROLLED ANTENNA FOR WIRELESS NETWORK - A variably controlled stagger antenna array architecture is disclosed. The array employs a plurality of driven radiating elements that are spatially arranged having each radiating element or element groups orthogonally movable relative to a main vertical axis. This provides a controlled variation of the antenna array's azimuth radiation pattern without excessive side lobe radiation over full range of settings. | 01-30-2014 |
20140333499 | ELECTRONICALLY TUNABLE ANTENNA BASED ON ORIENTATION CORRECTION AND ADJUSTMENT AND ELECTRONICALLY TUNABLE ANTENNA SYSTEM - The present disclosure provides an electronically tunable antenna based on orientation correction and adjustment and an electronically tunable antenna system. The main body of the electronically tunable antenna includes at least one electronically tunable antenna body. The electronically tunable antenna includes: an attitude sensing device fixed to the electronically tunable antenna body, the electronically tunable antenna is used for sensing horizontal orientation angle, mechanical tilt angle, latitude, longitude and height in real time; and an antenna control unit connected to the attitude sensing device, the antenna control unit is used for adjusting electrical downtilt angle of the electronically tunable antenna body and transmits to outside the horizontal orientation angle, mechanical tilt angle, latitude, longitude and height information sensed by the attitude sensing device. | 11-13-2014 |
20160141758 | ANTENNA FOR SATELLITE COMMUNICATION HAVING STRUCTURE FOR SWITCHING MULTIPLE BAND SIGNALS - The present invention discloses an antenna for satellite communication having a structure for switching multiband signals. The antenna for satellite communication according to an embodiment of the present invention includes a main reflecting plate configured to be rotatable in a predetermined direction so as to be oriented in a direction in which a satellite is located, a first feed horn configured to be detachably installed in a region of an edge of the main reflecting plate, a sub-reflecting plate configured to be installed so as to be spaced apart from a reflecting surface of the main reflecting plate by a predetermined distance by at least one support means provided in a region of the main reflecting plate, and a second feed horn configured to be detachably installed on a side opposite to the reflecting surface of the sub-reflecting plate, wherein an installation position of the sub-reflecting plate is changeable. | 05-19-2016 |
20160254585 | ELECTRONIC DEVICE | 09-01-2016 |
20170237161 | SATELLITE BROADCAST RECEPTION ANTENNA, METHOD AND APPARATUS FOR SEARCHING AND IDENTIFICATION OF BROADCAST SATELLITES IN GEOSTATIONARY ORBIT | 08-17-2017 |
20180026364 | COMMUNICATION DEVICE | 01-25-2018 |