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Patent Searching and Data


Matches 501 - 550 out of 2,892

Document Document Title
JP2012129352A
To maintain electromagnetic wave suppression effect while securing bending durability of an electromagnetic wave suppression sheet.In an electromagnetic wave suppression sheet 1 in which a magnetic material is dispersed in a resin, press...  
JP2012124236A
To obtain a radio wave absorber in which radio wave absorption performance is enhanced by locally randomizing the input impedance on a plane, when a radio wave reflection layer is viewed from one or a plurality of interfaces.In a radio w...  
JP2012124291A
To provide an electromagnetic wave absorber having high electromagnetic wave absorption ability.In the electromagnetic wave absorber where a plurality of electromagnetic wave absorption films are laminated in front of an electromagnetic ...  
JP4954929B2  
JP4953996B2  
JP4951640B2  
JP4949455B2  
JP2012099665A
To provide an inexpensive electromagnetic wave absorber having a high electromagnetic wave absorption ability.The transparent electromagnetic wave absorber comprises a plurality of transparent electromagnetic wave absorption films 1a, 1b...  
JP2012090045A
To provide a multichannel coaxial type rotary joint having a plurality of choke structures whose isolation characteristics have been improved without causing passage characteristics to degrade.In a multichannel coaxial type rotary joint ...  
JP4922003B2  
JP4917484B2  
JP2012508339A  
JP4901473B2
A high-impedance substrate including a first layer made of insulating material, having a lower face and an upper face, the substrate including conductor patterns mechanically linked to the substrate. Some of the conductor patterns mechan...  
JP4889180B2  
JP2012039587A
To provide a thin radio wave scattering body for imparting stealthiness to a radio wave in a wide frequency range or a thin radio wave scattering body having a radio wave absorber at low cost.A surface of a structure comprises a radio wa...  
JP2012039234A
To provide a receiver capable of ensuring high reception quality, capable of inhibiting a dynamic range of a radio signal concurrently incoming from a plurality of points in different directions, incoming from a plurality of directions.A...  
JP4875533B2  
JP2011258745A
To suppress magnetic noise.In an electromagnetic wave leakage suppression structure, a tape 2 is composed of an adhesion layer 11 adhered to a housing 1, a magnetic material layer 12 provided on a surface of the adhesion layer 11, a cond...  
JP4835653B2  
JP4836899B2  
JP2011250031A
To provide a compact antenna device which can be used for short-range radio communication or mobile communication.At the top and bottom of a metal box 15 which is a housing of an antenna device, a lower antenna 12, a spiral antenna for t...  
JP4833571B2  
JP4824621B2  
JP4825074B2  
JP4808572B2  
JP2011217269A
To obtain an antenna apparatus which is reduced in radar cross section area.An antenna apparatus in which one or more antenna radiation elements (1) are disposed on a front surface of a dielectric substrate (2) includes a frequency selec...  
JP4801380B2  
JP2011211420A
To improve antenna efficiency while securing a broadband characteristic and thinning.A spiral antenna includes an antenna element 11, a cavity 13, and a radio wave absorber 14. The antenna element is formed into a spiral shape on a diele...  
JP2011211309A
To provide an antenna module and an electronic apparatus in each of which the variations in a resonance frequency of an antenna coil due to a metallic component placed in the surrounding are prevented.The antenna module 1 includes the an...  
JP2011211517A
To provide a film antenna that is excellent in antenna performance and durability.The film antenna is configured as follows. A radio-wave absorbing member has at least a dielectric layer and a conductive layer. A base material is formed ...  
JP4796469B2  
JP4795826B2  
JP2011204732A
To provide a light transmitting type electric wave absorber with uniform electric wave absorption characteristics not including in-plane distribution in the electric wave absorption characteristics.The light transmitting type electric wa...  
JP4790892B2  
JP4793521B2  
JP4784517B2  
JP4784249B2  
JP2011193133A
To obtain an antenna device which sufficiently reduces an RCS, in consideration of an influence of a reflected wave from a structure itself such as an earth conductor or an antenna element.An antenna device has: an earth conductor 2; a d...  
JP4782097B2  
JP2011187568A
To provide a nanoparticle composite material having an excellent characteristic in a high frequency band, particularly in a GHz band.The nanoparticle composite material includes a nanoparticle aggregate in a shape having an average heigh...  
JP2011176248A
To provide a shielding material for electronic apparatus that is adhered to an outer surface, an inner surface, or the like, of a case in the electronic apparatus to readily attain superior shielding effects by adopting the shielding mat...  
JP4761246B2  
JP4761188B2  
JP4757169B2  
JP4752934B2  
JP2011151047A
To provide an electromagnetic wave absorber for shielding electromagnetic waves of a specific frequency reliably by a simple structure.Two or four triangular punched portions 14 having their individual apexes opposed to each other are fo...  
JP4736517B2  
JP2011142504A
To provide a parabolic antenna excellent in radio wave absorption characteristics and durability even at a reduced cost.In the parabolic antenna 1 including a reflector 2, a shroud 3 and a primary radiator 4, a plurality of plate-like ra...  
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...  
JP4715643B2  

Matches 501 - 550 out of 2,892