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JPH1065783A |
To provide an electromagnetic shield on an antenna surface in order to minimize influence given to the head part of a human body by an electromagnetic wave for transmission and reception emitted from the antenna while using a portable te...
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JPH1065378A |
To make the cover made of a synthetic resin available for an LNB (low-noise frequency converter) by suppressing the secondary radiation of electromagnetic waves having a local oscillation frequency by short circuiting the chassis and ele...
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JPH1065782A |
To protect a human body from an intense electric field generated by a portable telephone equipment. A protecting screen 1 is installed between the antenna P1 of P and the head part of a user at the time of using the portable telephone eq...
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JPH1051180A |
To obtain a radio-wave absorber which is lightweight, excellent in a self-fire-extinguishing property, in which a dielectric-loss material is dispersed uniformly and which displays an excellent radio-wave absorption property by a method ...
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JP2713483B2 |
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JPH1042013A |
To prevent the head part of a user from being exposed by means of electromagnetic wave from an antenna by arranging an electromagnetic wave shielding plate which is elevated in synchronization with an antenna so as to surround an antenna...
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JPH1041640A |
To provide an electronic apparatus which is great in load resistance and is equipped with decent hold structure. A data information processor 1 is equipped with a metallic casing type device body 2. One pair each of mounting holes for ho...
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JPH1041674A |
To improve the shape holding property for a long time by mutually welding first foam grains composed of foams of a thermoplastic org. polymer and conductive layer formed their surfaces with second foam grains composed of foams of a therm...
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JPH1027985A |
To fix carbon fiber bundles on a support in parallel almost at regular intervals by spirally winding the carbon fiber bundle on an annular surface formed by the support, fixing it and cutting the carbon fiber bundle at the end of the sup...
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JPH1027986A |
To provide a radio wave absorber which is made of a composition obtained by mixing a resin with carbon black and carbon fiber, thereby improving radio wave absorbing characteristics in an L-band and an S-band. This radio wave absorber is...
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JP2704521B2 |
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JP2701669B2 |
PURPOSE: To provide a radio wave absorbent where a radio wave introducing body whose tip is protected against damage can be kept high enough in return loss to radio waves of a certain frequency band. CONSTITUTION: A radio wave absorbent ...
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JPH1018119A |
To protect the head of a human body by producing a hat provided with functions to screen electromagnetic waves applied to the head of the human body and enhance the protecting effects on the head of the human body against solar heat unde...
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JPH1013083A |
To provide a thin electric wave absorber with good transparency which has no deterioration in electric wave absorbing characteristic by forming, on both faces of a dielectric layer which is made of transparent organic high molecules, res...
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JPH1013081A |
To make it possible to absorb microwaves over wide band and obtain a high absorbing efficiency by forming a microwave absorbing material from multilayer asymmetric substance which has electric conductivity. A microwave absorbing material...
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JPH1013082A |
To provide a thin electric wave absorber which has no deterioration in electric wave absorbing performance of electric waves even in a short wavelength region by forming a thin resistance film which is made of metal oxide, metal nitride,...
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JP2697082B2 |
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JPH104302A |
To provide a microwave band attenuator which can facilitate the control of attenuation by providing a radio wave absorbent on a microstrip line formed on a dielectric substrate and controlling the size of the absorbent. A conductor 9 is ...
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JPH09331184A |
To enable a test product to be moved on a production line in an assemble line system, efficiently transferred between processes, reduced in man- hours, and improved in productivity by a method wherein carrying-in and -out ports through w...
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JP2685470B2 |
A device constructed as simple as possible shall be provided for simulating, in laboratory tests of radar seekers, the conditions of free space with a moving target emitting radar radiation. To this end, a radar anechoic chamber is forme...
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JPH09307269A |
To easily arrange carbon fiber bundles on a surface member with specified spacings by feeding the carbon fiber bundles cut into specified lengths onto the back side of the surface member through carbon fiber bundle inserting parts of spa...
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JP2681450B2 |
PURPOSE: To provide a more economical radio wave absorber which has a low height and can absorb a wider band of radio waves by controlling the apparent specific inductive capacity and relative permeability of a ferrite magnetic body to d...
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JP2555635Y2 |
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JP2679643B2 |
PURPOSE: To prevent the generation of a dip in a received electric field due to the interference of a multiple reflection wave generated between a metallic surface on the front of a casing to which an antenna is fixed and window glass or...
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JP2677510B2 |
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JP2554394Y2 |
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JP2554149Y2 |
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JPH09289392A |
To provide an electromagnetic wave absorbing device which enables electromagnetic shielding by absorbing an electromagnetic wave of a specified frequency, and enables reduction in size and weight. An electromagnetic wave absorbing device...
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JPH09289394A |
To facilitate the manufacture by constituting this wave absorber of a surface arrangement material, which stores many long parallel carbon fibers which are coupled into each bundle and whose electric resistivity peculiar to volume is at ...
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JPH09283973A |
To improve the performance of a radio wave absorbing wall and secure its strength. A radio wave absorbing wall is formed by arranging a grid structural bar 10 made of material with low induction in the front face of a radio wave absorber...
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JPH09283972A |
To obtain a radio wave absorber which is lightweight, which is excellent in a radio wave absorption characteristic and which reduces an irregularity in the absorption characteristic by a method wherein a resistance layer which is formed ...
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JP2552474Y2 |
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JP2666560B2 |
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JPH09275293A |
To enable carbon fiber bundles to be disposed at a prescribed interval in a frame by a method wherein a large number of carbon long fibers prescribed in volume resistivity are bound together with adhesive agent into carbon fiber bundles,...
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JPH09275296A |
To protect a computer or a medical electronic equipment against interference induced by arriving radio waves with a composite radio wave absorbent by a method wherein the composite radio wave absorbent is surrounded with a conductor and ...
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JP2663409B2 |
PURPOSE: To provide a thin lamination type electric wave absorber which has excellent electric wave attenuating characteristics by laminating magnetic compound material, which is formed by mixing magnetic powder with rubber or resin, and...
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JPH09510111A |
(57) [Summary] The embodiments of the present invention disclosed in the present application are devices that develop "protective" electric, magnetic or electromagnetic fields that are superimposed on or generate harmful fields in the su...
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JPH09260886A |
To obtain a radio wave absorbent which is lessened in weight and enhanced in radio wave absorbing efficiency, by a method wherein a large number of long carbon fibers specified in volume resistivity are arranged in order in a lengthwise ...
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JPH09260888A |
To obtain a radio wave absorbent which is capable of fitting easily with an absorbing layer of a complicated shape with a sharply curved surface, by a method wherein a metal sheet which is formed into a required shape to serve as a refle...
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JPH09260887A |
To provide a lightweight wave absorber whose wave absorbing property is improved. In a wave absorber 10 consisting of a thin-plate microstrip antenna, when a reception antenna element 32 receives an incoming wave, a transmitting antenna ...
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JPH09255408A |
To obtain a radio wave absorbing material excellent in heat resistance and mechanical properties, consisting of a composite material composed of respective specific substances as matrix and disperse phase. This radio wave absorbing mater...
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JP2548724Y2 |
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JPH09246853A |
To keep the sensitivity with respect to a tilt angle of an arrived radio wave constant by conducting directivity control in a direction that power received by each antenna cell separated by a shield plate is equal to each other to decrea...
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JPH09246844A |
To prevent reduction in the reception sensitivity even when a reflecting wave is in existence. A plane antenna 1 is controlled to be driven so as to be in matching with a direction of a broadcast satellite and its elevating angle is cont...
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JPH09238024A |
To make the directivity independent of a wavelength of a received radio wave and to avoid a radio wave in the spurious mode from being received by arranging a lens antenna to collect incident respectively radio waves into a passing radio...
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JPH09232787A |
To contrive reduction in the thickness of a radio-wave absorber without reducing the radio-wave absorption characteristics of the absorber even in a short- wavelength frequency range by a method wherein a cellulose derivative is used as ...
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JPH09232786A |
To provide a thin radio-wave absrober, which is utilizable as EMC and EMI contermeasures against a high frequency in a gigahertz range. A composite material, which consists of chemical synthetic high polymer molecules and a ferroelectric...
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JPH09223890A |
To suppress deterioration of wave absorbing characteristic even in a short-wavelength frequency band and to make the title absorber be of a thin type by a method wherein poly (β-hydroxybutylate) or a copolymer thereof is made a dielectr...
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JPH09223889A |
To suppress lowering of the characteristic of absorbing an electromagnetic wave even in a short wavelength band and to make the title absorber be of a thin type by a method wherein vinylidene cyanide or a copolymer thereof is made a diel...
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JPH09223888A |
To enable execution of shielding against an electromagnetic wave from an antenna of a portable telephone and thereby to protect a brain and eyes therefrom by covering an electromagnetic shield plate of a specific nickel alloy with an ele...
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