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JP4440213B2 |
A three-dimensional fractal-structure body partially or entirely comprises a three-dimensional fractal structure, the fractal structure body having a local minimum value at a particular wavelength determined by structural and material fa...
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JP4438456B2 |
To provide a compact, thin wave absorber that does not employ heavy metal for materials of the wave absorber layer and makes effective use of carbon nanotube structure properties to absorb a wide band of radiowaves, and to provide a meth...
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JP4440002B2 |
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JP2010054302A |
To provide a method of estimating an anechoic characteristic, which facilitates estimating the anechoic characteristic in an anechoic domain in a short time.A transmission antenna 4 and receiving antennas 6 are arranged in a radio wave a...
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JP4425454B2 |
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JP4420253B2 |
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JP4417931B2 |
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JP4415322B2 |
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JP2010021459A |
To provide a radio wave absorber superior in radio wave absorption performance.A plurality of structural components are combined to provide this radio wave absorber. In each structural component, a block 1 is configured by adhering a con...
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JP4400791B2 |
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JP2010010268A |
To provide a jamming electromagnetic wave-reducing device or electronic equipment exhibiting an electromagnetic wave-reducing effect in a wide band against linear polarization.The jamming electromagnetic wave-reducing device reducing jam...
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JP2009302331A |
To provide an electromagnetic wave absorber which suppresses the occurrence of wrinkles as much as possible and whose electromagnetic wave absorption characteristic is hardly deteriorated.An electromagnetic wave absorber comprises a fram...
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JP4384083B2 |
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JP2009544217A |
The present invention is a method and device for reducing exposure to undesirable electromagnetic radiation. The device uses a target antenna to capture certain radiation from an active emission source, such as a cell phone when it is tr...
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JP2009288000A |
To provide an electromagnetic noise detector which is built in an image forming device and specifies the wavelength and frequency of an electromagnetic wave noise.Artificial muscles 301 are all tabular members, and twelve of them are arr...
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JP4375227B2 |
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JP4377467B2 |
The radio wave absorbent-assembling member (1) comprises a radio wave absorptive thin material (2) capable of assembling a structure in a desired form, wherein the thin material (2) contains a conductive material therein and/or has on th...
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JP4371426B2 |
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JP4359185B2 |
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JP4352488B2 |
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JP4346360B2 |
A sheet material for a radio wave absorber and a radio wave absorber formed from the sheet material, where the sheet material is light weighted and has excellent form-retaining capability and workability for field assembling. A sheet mat...
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JP4339589B2 |
A resonance uncoupling device is made up of at least one complex of colloidal systems in a dispersed phase. The colloidal systems are made up of polymers treated by at least one generator of specific waves and given a cadence with an amp...
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JP2009212189A |
To provide a radiowave absorber, using a resistance coating having a capacitive susceptance, which is thinner than a conventional radiowave absorber using a resistance film and can be easily designed and manufactured.The radiowave absorb...
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JP4322761B2 |
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JP4317276B2 |
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JP4318094B2 |
To surely discriminate an IC tag T inside a work W on a conveyor line L. A gate-shape frame body 10 is provided with a shielding wire net 15 and a shielding magnetic shield plate 17 in a front surface side and a rear surface side thereof...
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JP4310486B2 |
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JP2009177002A |
To provide a noise suppressor which is lighter in weight, thinner, and can exert a higher noise suppression effect than a conventional noise suppressor using a magnetic material.The noise suppressor uses dielectric characteristics and sa...
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JP4299387B2 |
A radio wave absorber-assembling member comprises an incombustible base material enabled to assemble a desired-shape structure, and radio wave-absorbent incombustible materials fixed to predetermined regions of the base material. The bas...
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JP4298706B2 |
[Object] Various electric wave absorbers for the GHz band have been developed. However, parameters for obtaining the optimal electric wave absorption characteristic are only the shape and the content of a dielectric material or a conduct...
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JP4297960B2 |
The present invention selectively uses a high-impedance layer to reduce the effects of E-M scattering at metallic discontinuities. The high-impedance layer can be fabricated using a combination of metallic and resistive materials that ar...
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JP2009152652A |
To provide a radio communication apparatus capable of measuring a correct reception signal strength.The radio communication apparatus 10 includes a sensor 12, wherein a magnetic sheet 14 is pasted on a surface other than the front surfac...
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JP4291779B2 |
The invention relates to an anchor piece for fixing an intervertebral implant (15) to the end plate of a vertebra body (19;20), comprising A) an anchor piece (1), with a central axis (6) and two end faces (4, 5) transverse to the central...
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JP4284267B2 |
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JP2009135587A |
To provide an electronic device which can be downsized.The electronic device is provided with a housing 20 having a bottom wall 19A and a side wall 19B rising from an circumference of the bottom wall 19A, an antenna 17 formed on inner su...
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JP4279393B2 |
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JP4281162B2 |
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JP2009111954A |
To prevent influence between a plurality of antennas when a loop coil antenna for a noncontact type IC card function is arranged close to another antenna such as an antenna for radio communication such as a portable telephone or a whip a...
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JP4265009B2 |
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JP4257951B2 |
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JP2009094502A |
To provide an electromagnetic wave absorber that has high electromagnetic wave absorbing characteristics with respect to a broadband electromagnetic wave including a low-frequency electromagnetic wave, and has achieved a thinner film and...
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JP2009076802A |
To provide a radio wave absorber which can be thinned, while the thickness of a 1/4-wavelength radio-wave absorber has conventionally been regarded as capable of being determined uniquely.The radio wave absorber has a reflecting film 1, ...
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JP2009063427A |
To provide a radio wave anechoic box capable of measuring the characteristics of an object to be measured for radiating electromagnetic waves at a plurality of frequency bands.A cylindrical member 7 capable of moving axially is provided ...
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JP4241524B2 |
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JP2009055613A |
To provide a compound element for a radio relay device antenna and a dipole array circular polarized antenna using it.The compound element for the radio relay device antenna includes: a pair of parallel parts vertically arranged apart in...
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JP2009049263A |
To provide a noise suppression film high in noise suppression effect, thin, light weighted, and excellent in flexibility, and also to provide a method for manufacturing the same.A filler is made by blending a conductive filler and an ins...
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JP2009038785A |
To provide a noise suppression element which is efficiently coupled with a magnetic field to absorb and attenuate an induced current, for a nearby field and to provide an electromagnetic field absorbing and attenuating element which enha...
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JP4224703B2 |
An electromagnetic wave absorber characterized by comprising from 50 to 85% by weight of inorganic hollow material, from 0.01 to 35% by weight of conductive material, from 5 to 47.5% by weight of binder, and from 0.1 to 47.5% by weight o...
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JP2009027450A |
To provide a high impedance substrate which has a large ratio band in a low frequency band, and at the same time, is thin enough to be mountable on an electronic device.The high impedance substrate has: a metal plate (1) as a ground plan...
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JP2009027126A |
To provide a transparent electromagnetic shielding panel for shielding any unnecessary electromagnetic wave from the outside of a building bringing about any adverse effect due to malfunction or electromagnetic interference, and for abso...
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