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JP2011142198A |
To improve absorption characteristics of a radiowave absorber for a radiowave from an oblique direction.The radiowave absorber includes a first film made of a conductor, a second conductor made of a resistor, and a plurality of conductiv...
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JP4715643B2 |
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JP4714841B2 |
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JP4713823B2 |
An antenna unit (50) formed in the shape of a hollow box comprises a substrate forming the front side of the antenna unit, a microstrip antenna array (51) formed on the substrate, a ground plane forming the rear side of the antenna unit,...
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JP4696241B2 |
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JP4698528B2 |
To enable a thinned battery lid with an antenna being mounted on the battery lid in a mobile electronic device, and to enable a thinned device case as a result. In a mobile electronic device having a battery lid 8 attached to a battery s...
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JP4680109B2 |
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JP2011086652A |
To provide: a hollow radiowave absorber constituting a radiowave absorption wall capable of securing a return loss of about -20 dB in a wide frequency band substantially from 30 MHz to 3 GHz; a radiowave absorption wall using the hybrid ...
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JP4677503B1 |
To easily realize a good shielding effect by adhering to an outer surface, an inner surface, etc. of a case of an electronic device by adopting a shielding material made of a flexible laminated body which can be adhered. Shielding materi...
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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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JP4660542B2 |
A radio system for sensing the spatial configuration of a physical object comprising a transmitter (102) which sends a query message to a transponder (104) having at least one antenna (106). A radio frequency shield (108) is moveably int...
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JP2011045036A |
To suppress the influence of multipath and to freely arrange a plurality of planar antennas on a substrate.The planar antenna 100 includes a substrate 109, an antenna pattern 103 installed at the center of one surface of the substrate 10...
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JP2011041130A |
To solve the problems that, when a metal chip having shock resistance is embedded in a distal end of a radome, antenna radiation characteristics inside the radome may be deteriorated by effects of reflection in the metal chip, an antenna...
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JP4627295B2 |
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JP4623244B2 |
A silicone rubber composition loaded with a soft magnetic metal powder and optionally, a heat conductive filler and having in the cured state a thermal conductivity of at least 2.0 w/mk is suitable for forming heat dissipating sheets hav...
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JP2011006832A |
To obtain a light and soft yarn with reliable electroconductivity, and produce fiber products by making use of the lightness, flexibility and reliable electroconductivity of the yarn, and antistatic mesh cloths, snow protecting nets, lig...
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JP4611700B2 |
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JP4611698B2 |
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JP2010288190A |
To provide a wireless radio wave reflection apparatus capable of preventing diffused reflection of radio waves caused by an obstacle, and to provide a ceiling structure in which the wireless radio wave reflection apparatus is disposed in...
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JP4602429B2 |
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JP4598975B2 |
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JP4590126B2 |
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JP4579720B2 |
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JP2010219126A |
To provide a flame-retardant electromagnetic interference suppressor formed of complex of an organic binder which does not contain halogen, and soft magnetic powder, is easy to form in a sheet, does not generate gas, and exhibits high re...
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JP2010210297A |
To provide a wide coverage radar apparatus capable of detecting an object at extremely short-range by reducing interference due to a direct wave reflected by a radome.The wide coverage radar apparatus 100 includes a substrate 101, and a ...
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JP4549265B2 |
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JP2010205956A |
To obtain high radio wave absorbing performance in vertical incidence, TE polarized wave oblique incidence, and TM polarized wave oblique incidence.A fiber assembled flat type radio wave absorber comprises a laminate in which a base laye...
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JP2010199940A |
To provide a radio communication terminal for reducing influences upon a human body according to the use state of a user.The radio communication terminal includes a first housing, a turning part provided at one end of the first housing a...
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JP4534797B2 |
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JP4536338B2 |
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JP4528318B2 |
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JP4528334B2 |
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JP4522556B2 |
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JP4519664B2 |
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JP2010165868A |
To provide a gel-like composition that has electromagnetic-wave suppressing performance and heat conductivity, excels in flexibility, and is less likely to generate problem of volatile gas. The gel-like composition has a gel containing a...
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JP4507981B2 |
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JP2010157696A |
To provide a radiowave absorber which has high radiowave absorbing performance regardless of the incident direction of radiowave, so that it can be preferably applied to radio communication system having high flexibility in a service are...
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JP4499972B2 |
An apparatus and a method for determining the liquid (1) level in a tank (2) by means of a radar level measuring device (6), which transmits microwaves downwards to the surface of the liquid (7) through a waveguide (5), in the form of a ...
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JP4504244B2 |
As provided herein, a dual- or quad-ridged broadband horn antenna may include a pair of conductive antenna elements arranged opposite one another for guiding an electromagnetic wave in a longitudinal direction through the horn antenna. I...
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JP2010154265A |
To provide a method by which, when manufacturing a transparent member for a transparent radio wave absorber, a portion to be patterned is selectively patterned properly and debris can be restrained from being deposited on the transparent...
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JP4497444B2 |
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JP2010135567A |
To provide a radio wave absorbing material which absorbs electromagnetic waves of high frequency over a wide band. The radio wave absorbing material is obtained by dispersing magnetic nanoparticles, having super-paramagnetism and a parti...
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JP4479059B2 |
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JP4468300B2 |
A reflector antenna device includes: an auxiliary reflector 1 that receives an electric wave radiated from an opening portion by a primary radiator 3 and reflects the electric wave; and a main reflector 2 that receives the electric wave ...
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JP4461974B2 |
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JP4461970B2 |
A wave absorber of the present invention includes a sequentially laminated structure including an conductor layer (11) made of a conductive material; a first dielectric layer (polycarbonate substrate (12) and bismaleimide-triazine substr...
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JP2010080911A |
To provide an electromagnetic wave absorbing material exhibiting a high electromagnetic wave absorbing performance in a wide band together with a high electromagnetic wave shielding performance without losing the characteristic inherent ...
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JP4446593B2 |
To provide an electromagnetic wave absorber capable of having electromagnetic bonding and radiation noise reduction effects in electronic equipment. This electromagnetic wave absorber is constituted of composite materials in which soft m...
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JP4445962B2 |
There is provided a thin, light and soft electromagnetic wave absorber exhibiting an excellent workability. A first conductor element group (12) of a first conductor element layer (6) includes aligned cross conductor elements (30) and sq...
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JP2010074098A |
To provide a room structure that absorbs broad band electromagnetic waves, to provide a method of manufacturing a wave absorber equipped in the room structure, and to provide a building having the room structure.A plane-part wave absorbi...
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