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Patent Searching and Data


Matches 701 - 750 out of 2,794

Document Document Title
WO/1992/013373A1
The antenna system according to the invention includes a lens (11), which focusses incoming waves (10) at respective focal points (12a-c). Helical feeders (23a-c), which are provided near said focal points (12a-c) and preferably integrat...  
WO/1992/005602A1
A navigation unit (10) for receiving navigation signals from a source thereof such as global positioning satellites is configured to rack mount and connect with a remote fixed antenna and for detached, self-powered operation using a dire...  
WO/1992/001953A1
A device for information transmission, a so-called transponder, for receiving a first microwave signal, modulating and coding, and retransmitting a second microwave signal, comprising at least one antenna means made in microstrip techniq...  
WO/1991/015621A1
An antenna structure in which the antenna is in the form of a helical foil (12) which is supported by winding it on a hollow cylindrical braid (10), the foil (12) and the braid cylinder (10) being potted in a resin. An integral mounting ...  
WO/1991/011038A1
A first embodiment relates to a four-wire fractional winding helical antenna characterized in that the characteristics are improved, especially the applicable frequency range is extended and the drawbacks in manufacturing helical conduct...  
WO/1991/006988A1
The receiving antenna comprises at least two sectors or areas (1, 2) of paraboloids which focus the radiation on their axes (xx') at points F1 and F2 respectively which are offset by an integer of wavelengths of the received radiation. E...  
WO/1989/012916A1
For use in an electronic security system, an antenna system which provides a magnetic field which is substantially zero at distances large compared to the dimensions of the antenna, and has magnetic coupling between transmitting and rece...  
WO/1988/006343A1
The microwave balun transformer providing an extension of operating frequency range particularly in conjunction with a cavity-backed spiral antenna (5). The balun cavity (13) has a dipole (15, 17) extending between an unbalanced coax por...  
WO/1980/002902A1
A radiation device, operating in the range of microwaves or hyperfrequencies, providing circularly polarized waves, comprising a wave guide (5) and antennas carried by such guide, which combine the use of slots and spirals. This device m...  
JP2020005139A
[Subject] A right-handed-circularly-polarization wave and a left-handed-circularly-polarization wave can be transmitted and received, and the circular polarization antenna which can be miniaturized even if built in an antenna case is pro...  
JP2019537914A
[Means for Solution] An antenna-coupler-control high frequency (RF) probe which has an exchangeable tip part is written in this specification. According to an embodiment indicated, a test signal is combined with a probe tip part wafer vi...  
JP2019220731A
[Subject] Even if a design is easy and among the circumferences are a metal thing etc., the communication characteristic provides a flat-like antenna which does not change a lot. [Means for Solution] The 1st beltlike conductor layer prov...  
JP2019186920A
[Subject] Even if it is a case where he would like to give tolerance over pressure from many to an antenna, an antenna system which reduces degradation of the characteristic of an antenna is obtained. [Means for Solution] A substrate, a ...  
JP2019530328A
Helical antenna structure contains a multilayer printing circuit board containing a loop antenna and a printing circuit board layer. As for each printing circuit board layer, two adjoining loop antennas each are electrically connected by...  
JP6568332B1
[Subject] A helical antenna which has a simple structure which can be miniaturized that it can communicate on a plurality of frequency is provided. [Means for Solution] Internal core 111 which helical antenna 100 becomes from dielectric ...  
JP2019135612A
To provide an antenna the label conveyance direction of which can be reduced in width, and a label issuing device provided with the antenna.A label issuing device according to an embodiment includes a conveyance mechanism, an antenna, an...  
JP2019519988A
The device for improving the performance of a radio frequency (RF) and a microwave array antenna is shown. A device has a pattern of a patch of the rectangle and cross shape with which other conductors in an even metal or an even plane w...  
JP6534634B2  
JP6529297B2  
JP2019068328A
To provide a miniaturized circularly polarized wave antenna capable of obtaining single directivity.Frist to fourth helical elements 10a-10d are spirally wound, so that shaft of winding centers are decentered from each other and spaced f...  
JPWO2018101104A1
An antenna system of the present invention with which the communication characteristic is provided with a flat-like antenna which does not change a lot even if a design is easy and among the circumferences are a metal thing etc., the ant...  
JP6483374B2  
JP2019502302A
An embodiment includes the antenna assembly object for radio microphones, and an antenna assembly object is provided with a helical antenna including the point supplying electric power and at least one contact pin which connects the poin...  
JP6455694B2  
JP6449237B2  
JP6417474B2  
JP6407104B2  
JP2018528750A
The various embodiments of an electromagnetism hybrid phased array system are indicated. Such one embodiment is provided with the ring element which was put side by side by the guidance surface waveguide probe and the guidance surface wa...  
JP2018521609A
[Subject] Provide a phased array line electric supply machine provided with the phase / electric power switching matrix electrically connected to a plurality of almost parallel metal rods and above-mentioned metal rods for reflector ante...  
JP6343527B2  
JPWO2017068837A1
ある任意の空間全体において無線通信機器の 接続台数を増やすことができる無線LAN用 のアクセスポイント装置を提供する。アクセ スポイント装置3は、有線ネットワーク...  
JPWO2017026107A1
4線式ヘリカルアンテナの各相から各入力信 号を受け付ける入力端と、1相と2相の入力 信号の入力信号の右旋円偏波と左旋円偏波と をそれぞれ交互に同相に成る組み合わせ...  
JP2018050240A
To provide a planar antenna and an antenna device capable of suppressing antenna loss.The planar antenna 100 includes: at least one antenna conductor 13; a ground conductor 16; and at least one support portion 15. The antenna conductor 1...  
JP2018032993A
To provide a spherical helical antenna that can easily achieve impedance matching.A spherical helical antenna 10 comprises a first conductor 11 that has a spiral shape along a spherical surface. The first conductor 11 has a power feeding...  
JP2018023010A
To provide a multiple frequency antenna system which can configure a logarithmic periodic antenna having a wide band property to be compact and lightweight and house an antenna unit of the logarithmic periodic antenna inside a flat-shape...  
JP6273078B2  
JP6271238B2  
JP2017538325A
The present invention relates to antenna device 10 for a short distance use, for example, RFID, and is an antenna device, Bipolar coaxial conductor structure 12 which has internal conductor 14 and covering conductor 16, Antenna signal co...  
JP2017538252A
Wireless LED pipe type lamp device 100 is provided with the following. Pipe 7 partially transparent at least, At least one LED1 arranged in a pipe, At least one LED driver 4, LED controller 5 and RF antennas 30 and 40 combined with a con...  
JP2017202807A
To suppress lowering of a transmission function of a data signal.A tire state detection device 20 includes a case 21. A pressure sensor 31, a transmission circuit 32, a transmission antenna 51, and a substrate 33 on which these are mount...  
JP2017183897A
To provide a helical antenna capable of facilitating positioning at the time when a feeding line is adhered, and that can bear a temperature load in outer space, and to provide a method of manufacturing the same.A helical antenna 1 has: ...  
JP2017183898A
To provide a helical antenna capable of facilitating positioning at the time when a feeding line is adhered, and that can bear a temperature load in outer space, and to provide a method of manufacturing the same.A helical antenna 1 has: ...  
JP6209414B2  
JP6200928B2  
JP6193488B2  
JP6190691B2  
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...  
JP2017108328A
To easily perform impedance matching on a coaxial cable or the like by setting impedance of a QFH antenna in the vicinity of a desired value.A QFH antenna 10 comprises antenna elements 21 and 22. Each of the antenna elements 21 and 22 co...  
JPWO2015129757A1
In the nonreciprocal transmission track device with which makes Cascade connection of a plurality of unit cells which have a transmission track portion of microwave, and the circuit of an in-series branch and the circuit of a parallel br...  
JP6101825B2  

Matches 701 - 750 out of 2,794