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Patent Searching and Data


Matches 501 - 550 out of 2,848

Document Document Title
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  
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...  
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...  
JP4715643B2  
JP4713823B2  
JP4714841B2  
JP4696241B2  
JP4698528B2  
JP2011109414A
To provide a periodic structure capable of suppressing radio wave interference by reflected waves and improving a communication environment.The periodic structure 10 includes a patch layer 40 provided with a plurality of conductor patche...  
JP2011108767A
To provide a composite type hollow radiowave absorber configuring a radiowave absorption wall capable of obtaining a return loss of -20 dB or more over a wide frequency band of approximately 30 MHz to 3 GHz, as well as the radiowave abso...  
JP4680109B2  
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 ...  
JP4677503B1  
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...  
JP2011066430A
To provide magnetic powder for a radiowave absorber, which can achieve excellent radiowave absorption performance in a high-frequency band ≥1 GHz with a smaller sheet thickness than that of a conventional one.Powder of Z-type hexagonal...  
JP4660542B2  
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...  
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...  
JP4627295B2  
JP2011023495A
To provide a coiled conductive thread controlling a band of frequencies to be absorbed coping with needs and easy to use, and to provide a radiowave absorber (structure) using the same.The coiled conductive thread is formed by covering a...  
JP4623244B2  
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...  
JP4611698B2  
JP4611700B2  
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...  
JP4602429B2  
JP4598975B2  
JP2010278351A
To provide an anechoic chamber that attains cost reduction as compared with the case that the installation area of a radio wave absorber having a small coefficient of TE wave reflection (having superior oblique incidence characteristics ...  
JP2010273204A
To provide a radio communication suppression device that sufficiently suppresses radio communication in a specific area, and that is downsized.The radio communication suppression device 101 for suppressing radio communication of radio co...  
JP2010272865A
To provide an electromagnetic bandgap pattern capable of generating various security codes, to provide a method of manufacturing the same, and to provide a security product using the electromagnetic bandgap pattern.The electromagnetic ba...  
JP4590126B2  
JP4579720B2  
JP2010219583A
To provide a planar antenna which is compact and is usable in a wide band.The planar antenna is composed by laminating a resistive film 20 having a limited resistance value on a planar antenna element 1.  
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...  
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 ...  
JP4549265B2  
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...  
JP2010206064A
To provide a radio wave absorber capable of reducing a matching thickness while maintaining improvement effect on return loss at a high level.The radio wave absorber made of an MnZn-based ferrite sintered compact contains a principal com...  
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...  
JP4534797B2  
JP4536338B2  
JP4528318B2  
JP4528334B2  
JP4522556B2  

Matches 501 - 550 out of 2,848