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JP2011082985A |
To provide an electromagnetic filter device that introduces, to an electronic device, a power transmission function using magnetic field coupling at a predetermined frequency without deteriorating transmission characteristics, while ensu...
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JP2011055036A |
To provide a circularly polarized wave antenna which has a wide band while made low in posture.An antenna element 10 is arranged above a grounded base 1 which is sufficiently wider than the area thereof. The base 1 has a plurality of rec...
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JP4651700B2 |
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JP4649766B2 |
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JP4650302B2 |
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JP2011049926A |
To obtain a small and thin antenna which is less affected by a leakage current and ensures an impedance matching.A back face of a linear antenna element 10 includes a grounded back face metal plate 20 shielding a radiation of an electrom...
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JP4649522B2 |
According to one embodiment, an electronic apparatus includes a main unit with a housing having an upper wall, a front wall, a rear wall facing a communicating party, a display rotatably attached to the main unit, a circuit board in the ...
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JP4648041B2 |
An apparatus includes a 3D array of circuit elements and control lines for coupling a remote control device to the circuit elements in the array. Each circuit element is configured to transform from one circuit state to another circuit s...
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JP2011505777A |
The invention is a new type of reflector, which receives energy from a source and reflects said energy onto the surface of an object. The reflector is comprised of a multiplicity of small reflecting segments attached to a substrate. The ...
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JP4638487B2 |
A hemispherical Luneberg dielectric lens including a hemispherical center layer having a hemispherical outer surface, and a plurality of hemispherical dome-shaped layers each having concentric hemispherical inner and outer surfaces, the ...
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JP2011030242A |
To provide a monitoring system for long-term monitoring of concrete pilings and structures, and to provide a method of installation.There is provided a system for tracking and monitoring data related to the manufacture, installation and/...
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JP2011019021A |
To increase the degree of freedom in design by enlarging the phase variation range of a reflected wave when the structures of elements are changed within a predetermined period.A reflect array is constituted of a plurality of array eleme...
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JP2011503996A |
A slotted waveguide antenna for receiving circularly polarized waves capable of improving impedance matching, an axial ratio and an axial ratio bandwidth by additionally forming a dielectric plate between a conductive plate having wavegu...
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JP2011015203A |
To provide an antenna which has desired directivity or omnidirectivity in a predetermined plane, and has an improved gain in the plane direction, and also to provide a position measuring system whose position measurement accuracy is impr...
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JP2011015099A |
To provide a radio communication for improving sheet which improves communication distance that does not depend on attaching direction, and to provide a radio communication IC tag, an information transmission medium and a radio communica...
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JP4616604B2 |
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JP4605954B2 |
A card-shaped medium which can easily be attached and detached into/from a computer slot might be easily stolen. Mounting holes (14, 15) are formed at a back part (13) of a PC card (10) exposed when the PC card (10) is mounted in a slot ...
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JP2010540900A |
An embodiment relates generally to resonant structure. The resonant structure includes a substrate and a nano-bowtie antenna deposited over the substrate. The resonant structure also includes an enclosure deposited over the substrate and...
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JP4598138B2 |
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JP4600387B2 |
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JP4597579B2 |
A planar antenna fitted with a reflector of small shape and small depth. A reflector 21 of planar shape is provided at the rear face of a radiator 20 of planar shape made of a triangular loop element. The side sections 21b on both sides ...
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JP4588959B2 |
Structured surface articles such as molds or sheeting are formed on a compound substrate including a machined substrate and a replicated substrate. In one embodiment, the structured surface is a cube corner element on a compound substrat...
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JP4586524B2 |
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JP2010263592A |
To provide a structure having a function for selecting only a necessary frequency and simultaneously amplifying and transmitting the selected frequency in the middle of transmission.The new internal transmission type structure is formed ...
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JP4580442B2 |
An object of the invention is to provide a wireless communication-improving sheet member capable of increasing a possible communication distance of an IC tag for wireless communication, a wireless IC tag, an antenna, and a wireless commu...
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JP4572922B2 |
An antenna system for use in a wide frequency band has a reflection board that has a board shape with an outer edge and an inner edge. The antenna system connects the reflection board and an antenna module in a manner that does not allow...
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JP2010252172A |
To provide an antenna device that is reduced in RCS (Radar Cross Section).An antenna device 100 includes a planar antenna 101 and reflection structures 111A and 111B. The reflection structures 111A and 111B have a ground conductor 112, a...
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JP4563996B2 |
A microelectromechanical system (MEMS) steerable electronically scanned lens array (ESA) antenna and method of frequency scanning are disclosed. The MEMS ESA antenna includes a wide band feedthrough lens and a continuous transverse stub ...
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JP2010232769A |
To communicate with a radio device positioned in a direction deviating from the direction of a main beam of directivity characteristics of an antenna device without lowering the gain of the antenna device.A directivity characteristic con...
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JP2010226196A |
To suppress a beam gain in an interference region between sectors adjacent to each other low while maintaining an electric-field intensity level in one's own sector at a high level. An antenna device includes: dipole feed elements 2a, 2b...
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JP4556951B2 |
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JP4552091B2 |
A wide band co-planar waveguide feeding circularly polarized antenna is disclosed. The wide band co-planar waveguide feeding circularly polarized antenna comprises: a substrate having a surface; a signal feeding unit located on the surfa...
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JP4551641B2 |
To provide a portable electronic apparatus provided with a contactless data communication function wherein the directivity is extended even a little. The portable electronic apparatus is provided with: a contactless communication section...
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JP2010213021A |
To provide an electric wave lens with a short focal distance, which miniaturizes an electric wave lens antenna.The electric wave lens 1 constituting a hybrid lens antenna 2 is constituted of multiple metallic flat plates 10 to be arrange...
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JP2010213198A |
To solve the problem that, although a mirror plane constituting a membrane reflector has low thermal expansion with a thermal expansion coefficient of ≤1 ppm/°C, since adhesive has extremely great thermal expansion with a thermal expa...
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JP4550837B2 |
The present invention relates to a tunable microwave/millimeter-wave arrangement comprising a tunable impedance surface. It comprises an Electromagnetic Bandgap Structure (EBG) (Photonic Bandgap Structure) comprising at least one tunable...
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JP4550969B2 |
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JP2010206323A |
To prevent the occrrence of a fault with a simple measure, wherein reading/writing of data is not normally performed for an RFID tag which is an object for reading/writing, since radio waves emitted from the backside of an antenna are re...
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JP4540325B2 |
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JP4537999B2 |
The invention is aimed at a substrate, in particular window pane, with an electrically conducting and heatable coating, at least one communication window made in the latter in the form of an interruption of said coating, the window being...
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JP2010190825A |
To detect radiation power of a specified antenna while suppressing influence of the radiation power of the other antenna.A radiation power detector 5 for detecting the radiation power includes: a detector body 11 attached to a reflective...
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JP4534778B2 |
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JP4536096B2 |
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JP2010183552A |
To add a speed difference (Doppler shift effect) in order of time to a high-frequency signal in a radio wave state.A directional antenna 6 transmits radio waves toward a rotary reflecting body 1 via a radio propagation path 8. The rotary...
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JP2010183545A |
To provide a thinned antenna device including a combination of sheet-like structures having high surface impedance and antenna conductors, and to provide an RFID tag using the antenna device.The RFID tag includes the antenna device and a...
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JP4525944B2 |
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JP4521567B2 |
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JP4523223B2 |
The present invention relates to a sensor module suitable for miniaturization and reduction in costs, in the radar sensor that uses a millimeter or sub-millimeter wave signal of which frequency is more than 20GHz. To accomplish this prob...
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JP4523643B2 |
A method and arrangement for finding the direction to an emitter source by determining the spatial frequency of a signal received from the source in a sensor panel and comparing the spatial frequency with the instantaneous frequency. The...
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JP4511991B2 |
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