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JP6289785B2 |
A signal combiner (33) specifies a weighting coefficient w for suppressing a grating lobe included in a composite signal S 3 obtained when combining a digital received signal S 1 and digital received signal S 2 stored by a signal calcula...
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JP6284650B2 |
A dual vertical beam cellular array is disclosed herein. In one embodiment, a cellular array includes discrete radiators coupled in pairs and arranged in-line. The radiators are connected to hybrid couplers configured to sum the output f...
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JP6279191B2 |
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JP6250255B1 |
A plurality of primary radiation machines (1) which a plurality of primary radiation machines (1) are classified according to frequency of a radiation electric wave and combination of Polarized wave , and belong to the same classificatio...
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JP6247647B2 |
A wireless communication system includes a first tag installed on a ground outside a track for a running train, the first tag being driven by wirelessly received power, a second tag installed outside a side face of the train and above th...
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JP2017212574A |
To orient a beam to a plurality of directions while suppressing the increase of the number of DACs.A radio communication device comprises a feeder circuit 217 comprising: a first stage circuit 601; a second stage circuit 602; and an Nth ...
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JP6239161B2 |
Disclosed is an antenna device in which an excitation phase changing unit (4) for changing the excitation phases of element antennas (2-1 n ) to (2-8 n ) by controlling phase shifters (3-1 n ) to (3-8 n ) dependently on preset phase valu...
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JP6232174B2 |
A method and system are disclosed for wide angle multibeam antennas. The method and system involve a multibeam antenna system for generating high performance multiple spot beams. In one or more embodiments, the multibeam antenna system i...
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JP2017533673A |
A hybrid electronic / mechanical scanning array antenna that includes an outer housing and a cooling plate that can rotate within the outer housing. The waveguide opening surface including the array of antenna elements is installed on th...
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JP2017157986A |
To provide an antenna device capable of performing high-accuracy side lobe blanking.An antenna device comprises: a receiver for main antenna which detects an amplitude level of a radio wave received by a main antenna having a main antenn...
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JP2017153110A |
To provide an on-chip antenna with a small size, which does not occupy an expensive active layer area with an antenna.An on-chip antenna 100 is constructed by a die 110 comprising: a substrate 130; a plurality of patches 120 manufactured...
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JP2017146156A |
To improve a data rate, speed up initial detection, and reduce a tracking lost.A radar device according to an embodiment of the present invention comprises an array antenna separated between a transmission system and a reception system. ...
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JP2017139517A |
To provide an antenna device which does not receive radio wave to be unnecessary waves arriving from a specific direction with a simpler structure.An antenna device according to one embodiment of the current invention includes: a dielect...
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JP6172390B2 |
An array antenna device includes a plurality of antenna elements arranged to include a first antenna element arrangement in which antenna elements are arranged at element intervals having predetermined periodicity and a second antenna el...
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JP6175194B2 |
Mobile communication devices, e.g., cellphones, may integrate an antenna array that includes one or more antenna to form radio beams at a preferred direction and a signal locator to identify coordinates corresponding to a strongest signa...
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JP6138795B2 |
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JP6127067B2 |
The multi-beam former comprises: two stages connected together and intended to synthesize beams focused along two directions in space; each stage comprises at least two multi-layer plane structures (P11, P1Ny), (P21, P2Mx), superposed on...
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JP6056442B2 |
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JP6047673B2 |
The invention relates to a source (S) for a parabolic antenna, comprising: •—a sigma radiating assembly (1S, 1C, 1L) suitable for generating the sigma channel including a sigma radiating element (11) positioned on a main transmission...
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JP2016201597A |
To provide an array antenna device capable of properly capturing a communication partner or a detection partner with accuracy while relaxing a request for mechanical accuracy in a state where a directivity gain is improved.An array anten...
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JP6022129B1 |
The 3rd coupler (3c) outputs the signal which outputted the signal outputted from the 1st coupler (3a) to the input terminal (8-1) of the 2nd Septum polarizer (8b), and was outputted from the 2nd coupler (3b) to the input terminal (8-2) ...
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JP6012873B2 |
The system has a Butler matrix output (74A) connected to a module (75A) to allow an independent electric tilt for each waveband. The module includes a stage of diplexers for separating a signal according to different wavebands and a stag...
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JP5969648B1 |
[Subject] In a flat antenna, an antenna system which can presume electric wave arrival directions to low cost by smaller part mark is provided. [Means for Solution] Plane array antenna 11 which turned a direction where the maximum profit...
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JP5961139B2 |
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JP2016127345A |
To select a combination of the directions of a beam quickly.A wireless communication system 1 includes a plurality of transmission antenna arrays TA1,...,TAM, a plurality of reception antenna arrays RA1,...,RAM, and control units 13, 24....
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JP5918874B1 |
[Subject] The array antenna where a feeder circuit has simple composition is provided having a plurality of paths. [Means for Solution] Group A which has a plurality of radiating elements 10 arranged in the shape of a matrix so that arra...
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JP5846211B2 |
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JP5838465B2 |
Provided is a multi-beam antenna device capable of suppressing an increase in loss of a Rotman lens so as to achieve enhanced gain. ² with respect to ± is set to satisfy the following relation: ² < ±, where: ² is a spatial beam-form...
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JP5836097B2 |
The present invention relates to a system of multi-beam antennas comprising a network of N radiating elements (11 a, 11 b), N being an even whole number, the elements of the network being connected two by two via transmission lines (11, ...
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JP5828122B2 |
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JP5745080B2 |
An antenna system including: an input port configured to receive tracking mode signals, in two orthogonal polarizations, from a target; a tracking coupler, configured to receive the tracking mode signals from the input port, the tracking...
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JP5718315B2 |
Provided are an antenna and a combination antenna having a wide directivity in a predetermined plane direction. The antenna 100 is configured to have rims 111, 112 at left and right ends of a dielectric substrate 101 in the X direction i...
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JP5713751B2 |
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JP5715071B2 |
An antenna element has a slit including a first portion and a second portion, the first portion extending in a first direction so as to separate first and second feed points from each other, and the second portion extending in a second d...
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JP5705148B2 |
A hand-held ultrasound system includes integrated electronics within an ergonomic housing. The electronics includes control circuitry, beamforming and circuitry transducer drive circuitry. The electronics communicate with a host computer...
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JP5697536B2 |
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JP2015509674A |
The determination of the impairment compensation matrix for impairment compensation in the antenna array is disclosed. A plurality of different combinations of multi-signal transmissions forming at least one zero at each of the plurality...
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JP5684983B2 |
To provide a communication area forming device of an electronic key system, which eliminates the number of antennas of a communication master and also secures the position detecting accuracy of an electronic key. A vehicle transmitter 10...
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JP5671060B2 |
A particular portable radio frequency identification (RFID) reader includes an active antenna array including a plurality of antenna elements to receive RFID signals from RFID devices. The antenna elements include control circuitry to co...
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JP5665595B2 |
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JP5613939B2 |
The antenna has elementary sources (1-10) that are spaced from a constant pitch and are grouped into identical sub-networks, where the elementary sources are identical with each other. Each sub-network synthesizes a beam. The elementary ...
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JP5603927B2 |
An active phased array architecture for operating electronically steerable phased array antennas. The architecture may combine active versions of vector generators, power splitters, power combiners, and/or RF hybrids in a novel fashion t...
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JP5600359B2 |
A microwave radiating element including first and second means for conveying electromagnetic waves in respective first and second frequency bands, wherein the first and second means are coaxial.
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JP5600414B2 |
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JP5583267B2 |
A feed network for an antenna subarray includes a first feed arrangement having an sum output, a second feed arrangement having an delta output, a fixed attenuator having a first port and a second port, the first port connected to the de...
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JP5535311B2 |
An antenna for broadband satellite communication including an array of primary horn antenna elements which are connected to one another by a waveguide feed network.
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JP5506940B2 |
An antenna apparatus includes a dipole antenna, a first monopole antenna and a second monopole antenna, each formed in a form of a conductor pattern on an insulating substrate. A fifth portion of the first monopole antenna and a seventh ...
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JP5495586B2 |
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JP2014087700A |
To further reduce the size and weight of a portable ultrasound imaging system for forming a medical image developed for use with a personal computer, and to further improve the operability thereof.A hand-held ultrasound probe system incl...
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JP5464152B2 |
To provide an antenna device that can cover a broad detection area of even surpassing 180° in spite of being formed over a single board, a lader apparatus utilizing the antenna device and a vehicle-mounted lader system.In an antenna dev...
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