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Patent Searching and Data


Matches 801 - 850 out of 2,794

Document Document Title
JP5487154B2  
JP2014078772A
To provide a circularly polarized antenna device capable of performing axial ratio adjustment without exerting influence on a result of antenna impedance adjustment.A circularly polarized antenna device 100 includes a tip open type loop ...  
JP5479990B2  
JP5467504B2  
JP5409797B2  
JP2014501468A
An antenna assembly object and an antenna formation method are indicated. An antenna is provided with a dielectric core around which an antenna tape which has a conductive part was twisted. A printed circuit board extends from a chassis ...  
JP5380299B2  
JP5380202B2  
JP5347209B2
Disclosed is a log periodic antenna and a manufacturing method thereof. In the log periodic antenna, antenna elements are attached to an antenna body to thereby simplify a structure of the antenna, the antenna can be manufactured in vari...  
JP2013232972A
To mitigate or avoid a reduction in antenna efficiency in mobile devices of reduced diameters.An antenna arrangement includes two antennas resonant at a common operational frequency. The arrangement comprises a circuit to combine output ...  
JP5333177B2
To make the horizontal plane directivity nondirectional to horizontal polarized waves with respect to an antenna device in which elements constituting an antenna are held by a holding member made of a dielectric and the holding member in...  
JP2013537782A
Disclosed is an apparatus for providing an RFID device for integration into a tire. A printed circuit board (PCB) is provided with a pair of asymmetric arms forming notches in opposed ends of the PCB. Helically wound antenna elements are...  
JP5303042B2
A low profile antenna device for use in a vehicle comprises a base unit, and an antenna unit. The antenna unit is supported on the base unit, and is provided with a first helical unit on the side near to the base unit, and a second helic...  
JP5301349B2
To provide a collinear antenna reducing side robes. In the collinear antenna 1 stacked in 15 steps, each step in the first step sleeve element 11 to the 15th step sleeve element 25 is constituted of an upper step sleeve and a lower step ...  
JP5293645B2
In an antenna device, a first helical part of a first antenna and a second helical part of a second antenna is disposed in a dielectric body on a ground plane. Each helical part is helically wound up in a direction perpendicular to the g...  
JP5236752B2  
JP5234999B2  
JP2013126008A
To provide a spiral antenna for wireless power supply which achieves high transmission efficiency.A spiral antenna for wireless power supply includes an antenna element 10 formed by winding an electrical conductor wire 11 at a given inte...  
JP2013123122A
To provide a wideband compact antenna for a portable communication terminal which helps downsize an antenna device, and which can secure and continuously use a fractional band width in a 700 MHz band (698 MHz to 768 MHz) to a 800 MHz ban...  
JPWO2011105019A
It has a planate plane conductor (M20) grounded and a solid line conductor (201) in which a line conductor (210), a line conductor (220), and a line conductor (230) are really formed at least. A line conductor (210) is perpendicularly pr...  
JPWO2011105019A1
接地される平面状の平面導体(M20)と、 少なくとも線状導体(210)、線状導体( 220)および線状導体(230)が一体形 成される立体線状導体(201)とを備...  
JP2013114550A
To provide an information acquisition device capable of reducing workload of an operator.A reader 1 stores a helical antenna 10 in a storage section 6 of a body 2 via a mounting member 12. The helical antenna 10 has a hollow cylindrical ...  
JP2013518498A
[Means for Solution] Back fire dielectric loading antenna (1), An electrical-insulation-properties dielectric core (12) which consists of solid material which has larger specific inductive capacity than 5, Three-dimensional antenna eleme...  
JP2013518499A
[Means for Solution] An electrical-insulation-properties dielectric core which consists of solid material which radio communication equipment is (a) back fire dielectric loading antenna, and has larger specific inductive capacity than 5,...  
JP2013089992A
To provide a spiral antenna which can be made thinner and change the turning direction of a circular polarization wave according to a frequency of supplied power, achieving such functions with a single antenna.A dielectric member 22 is l...  
JP5172857B2  
JP2013509779A
The present invention relates to the transmission track for vehicles, and an antenna, and it provides the transmission track of a very simple structure using the body of vehicles, It is applicable to change of the model of vehicles in co...  
JP5159428B2  
JP2013507851A
The present invention provides a highly efficient spiral structure antenna element which is used for an airplane communications system etc. and to which severe spatial restriction and a profit demand are generally applied, and its array....  
JP2013507849A
The present invention provides a spiral structure antenna element of small size, and its array with high performance which is used for an airplane communications system etc. and to which severe spatial restriction and a profit demand are...  
JP2013507850A
The present invention provides a highly efficient and lightweight spiral structure antenna element which is used for an airplane communications system etc. and to which severe spatial restriction and a profit demand are generally applied...  
JP5150087B2  
JP5145056B2  
JP2013017113A
To provide an antenna and an antenna device which can prevent damage to a magnetic core, and are suitable for performing sending and receiving by using an electric field.An antenna includes: a first antenna part having a magnetic core co...  
JP2012532518A
In a dielectric loading multi-Fira spiral antenna, a conductive ready phase ring (16) is arranged between an electric supply node and a spiral radiating element, and combines them together. A ready phase ring resonates on the frequency i...  
JP2012239122A
To provide a collinear antenna that allows a high degree of freedom in design.The collinear antenna includes a plurality of outer conductors 2 cylindrically formed and longitudinally arranged, and a plurality of inner conductors 3 separa...  
JP5092599B2  
JP5092600B2  
JP2012231357A
To improve tag read/write accuracy.A tag access device 1 is provided for accessing RFID tags 11 having first antennas with radio wave directivity in a longitudinal direction of a plurality of test tubes 10, which are arranged at predeter...  
JP2012227632A
To provide a high-frequency transmission line and an antenna device, having a reduced insertion loss over a wide frequency range, by making the cutoff frequency of the high-frequency transmission line higher than the conventional structu...  
JP2012222392A
To provide an antenna device in which an antenna can be reduced in size and which can maintain the performance of the antenna even it is miniaturized.The antenna device includes a substrate on the surface of which a GND pattern and a pow...  
JP5065524B2  
JP5062338B2  
JP2012205144A
To provide a spiral antenna capable of achieving high axial ratio performance and high antenna efficiency in a broadband.The spiral antenna includes: an antenna element 13 formed into a spiral shape; a cavity 15 formed by providing an ai...  
JP5049631B2  
JP5049877B2  
JP5049234B2  
JP5048012B2  
JP2012524454A
Disclosed is a log periodic antenna and a manufacturing method thereof. In the log periodic antenna, antenna elements are attached to an antenna body to thereby simplify a structure of the antenna, the antenna can be manufactured in vari...  
JP2012182584A
To ensure isolation between a plurality of power supply units for one antenna element, and to ensure radiation efficiency simultaneously.At one point of one loop-like element 9, a first power supply unit 11 current coupling with a first ...  

Matches 801 - 850 out of 2,794