Matches 101 - 150 out of 173 < 1 2 3 4 >


Match Document Document Title
5430618 Adaptor with electromagnetic shielding capabilities  
An adaptor includes an adaptor casing, a circuit board and a cover piece. The adaptor casing includes lower and upper casing halves which are made of plastic and which are coated entirely with a...
5397854 Method of forming screen printed or mask printed microwave absorbing material on module lids to suppress EMI  
An absorber for a microwave module and method of fabrication thereof wherein an ink is provided from a mixture of powdered iron and a resin. The ink is then screen printed or mask printed onto the...
5397608 Plastic article containing electrically conductive fibers  
The present invention relates to articles, particularly plate or sheet-like articles made of plastic in which very low contents of fine electrically conductive fibers are uniformly dispersed so as...
5383097 Conductive path ESD shield  
An electrostatic discharge (ESD) shield protects sensitive components of a hand-held device where the ESD can enter the unit along a seam or join of the casing halves. The shield employs a...
5335147 EMI shield apparatus and methods  
A top cover and bottom cover made of an electrically conductive material that absorbs and reflects electromagnetic interference (EMI) signals are formed to fit without solder or welding as an EMI...
5304750 Absorber for electromagnetic and acoustic waves  
An absorber for electromagnetic and acoustic waves comprising an absorber body containing mineral wool and particles of a conductive substance, in which the mineral wool is impregnated with a...
5276277 Apparatus for controlling indoor electromagnetic signal propagation  
A system for the establishment and control of an electromagnetic signal propagation environment containing a particular set of desirable radio frequency characteristics within a bounded area. The...
5243126 Conductive panel  
A panel is disclosed that is formed from a planar, substantially inflexible cellulosic substrate having a rough or uneven surface, at least one layer of paper or veneer and a layer of an...
5226210 Method of forming metal fiber mat/polymer composite  
The present invention provides a metal/polymer composite comprising a polymeric substrate and a sintered mat of randomly-oriented metal fibers embedded therein, the fibers having a substantially...
5162980 Shielded printed circuit board housing for high density storage  
An EMI/RFI shielded printed circuit board housing of compact design suitable for computer system products (such as, e.g., bridges and repeaters) permits such products to be used on office work...
5146047 Electric-wave absorbing material for construction  
The electric-wave absorbing material for construction includes a medium and a large number of electric-wave absorbing particles dispersed therein. The particles are in the form of capsules filled...
5115140 EMR/RFR/MWR body shield composition  
EMR/RFR/MWR (Electromagnetic Interference/Radio Frequency Interference/Microwaves) body shield composition comprises a copper base having a coating applied thereon by electroless deposition which...
5098735 Shielding of houses and buildings from low and high frequency EMF radiation by organic based stabilized nickel conductive coatings  
A new process is provided which when used will shield occupants of any dwelling from EMF radiation. The conditions specify the use of a conductive material which resists the passage of electric...
5091619 Apparatus for resistance bonding electromagnetic coils  
An apparatus for passing an electrical current through an electromagnetic coil to perform a resistance bonding operation is disclosed. The apparatus includes a pair of pistons which are...
5066937 Search coil assembly with laminate frame members and method for making same  
A metal detector search coil assembly comprising a frame assembly having an aperture therethrough, electrically conductive strands wound upon the frame assembly, potting plastic disposed on...
5043529 Construction of shielded rooms using sealants that prevent electromagnetic and magnetic field leakage  
A shielded room is constructed with walls having one shell made of electrically conductive facing sheets that prevent penetration of electromagnetic energy into the room, and two shells made of...
5035942 Flexible materials for reflecting electromagnetic wave  
Flexible materials for reflecting electromagnetic waves can be provided by using adhesive type non-woven fabrics formed by self adhesion of the principal component of pitch based carbon fibers.
4980564 Radiation barrier fabric  
A composite for blocking electromagnetic radiation includes a central layer of wire reinforced glass fabric, an outer exposure coating of materials which absorb the radiation, and an inner layer...
4967315 Metallized ceramic circuit package  
The individual components of a shielded ceramic, RF mounting package are metallized on three of their outer surfaces. The package includes circuit supporting ceramic substrate metallized along its...
4959752 Electronic module RFI/EMI shielding  
A system, i.e. method and materials for RFI/EMI shielding an electronic module in a computer or other electronic product is described. In one embodiment of the invention predetermined areas of the...
4943477 Conductive sheet having electromagnetic interference shielding function  
A conductive sheet is disclosed, which consists of a nonwoven fabric consisting of 40 to 90 wt % of a heat fusible fiber comprising a vinyl chloride/vinyl acetate copolymer and 10 to 60 wt % of a...
4941207 Structure for wireless communication in an electromagnetically shielded building  
A structure for wireless communication in an electromagnetically shielded building has an outer wall made of an electromagnetically shielding material such as concrete or an electrically...
4929802 Electromagnetically shielded cabin  
An electromagnetically shielded cabin is disclosed which utilizes a novel sealing system enabling reduced maintenance expenditures for maintaining necessary electrical contract, and thus the...
4910920 Electromagnetic door seal  
Reliable repeatable electromagnetic sealing between a door and jamb is accomplished across a broad band of frequencies without dependence upon closure pressure between the door and jamb by...
4869970 Radiation attenuation shielding  
An electromagnetic radiation attenuating coating comprising an electronic housing base material coating with a first electroless metal alloy of copper, a member from the group of nickel, cobalt...
4861955 Matched absorptive end choke for microwave applicators  
A microwave application chamber including a reactive and absorptive choke is shown and described. The absorptive choke is made of a material having the same or close dielectric constant as the...
4836955 Conductive compositions  
An improved silver-coated copper-based powder which is characterized by extraordinary stability, in terms of electroconductivity, when the powder is utilized with organic resin to form...
4814546 Electromagnetic radiation suppression cover  
An electromagnetic radiation suppression covering conformable to a corresponding selected structure through reducing the extent of a surface dimension therein and containing one or more absorptive...
4810589 Steel foil having excellent shielding characteristics to electromagnetic waves  
An ultrathin steel foil which is suited for use as an electromagnetic wave shielding material and which is excellent in shielding properties, is provided by cold rolling to be 31% to 90% reduction...
4795975 Thermal and electromagnetic shield for power meter  
A power meter device having a transparent part and an electronic signal transmitter to permit remote meter reading has a thermal and electromagnetic interference shield for protecting the...
4786758 Door shield for shielded enclosure  
A shield for the gap surrounding the door of an enclosure shielded against electromagnetic interference (EMI). The shield includes an elongated base having angularly related mounting and support...
4774270 Coating for EMI shielding  
An aqueous based electrically conductive paint having substantially enhanced settling properties employing a nickel flake pigment and a surfactant having substantial unsaturation characteristics....
H000526 Non-metallic chassis structure with electromagnetic field attenuating capability  
An electronic equipment chassis structure using non-metallic plastic material such as epoxy-impregnated fiberglass together with layers of shielding metal film, preferably of copper overlaid by...
4750957 Method of making a shield that is substantially opaque to electromagnetic radiation  
A shield which is substantially opaque to electro-magnetic radiation is formed by connecting together webs or strips of a sheet of metallized flexible shielding material, the pieces being placed...
4738875 Method of screening plastics member from electromagnetic interference  
A plastics member, such as a container, is provided with an electromagnetic screen by coating the inner surfaces with a film of zinc. The inner surfaces are prepared by shot blasting prior to arc...
4695694 Structure for minimizing microwave leakage  
Apparatus for using microwave energy to energize a light source which minimizes microwave leakage from a microwave cavity and yet permits a high percentage of light to be emitted from the cavity....
4690778 Electromagnetic shielding material  
An electromagnetic shielding material comprising a composition consisting of Mn-Zn ferrite powders, conductive carbon powders and organic high molecular weight compounds. The Mn-Zn ferrite powders...
4685563 Packaging material and container having interlaminate electrostatic shield and method of making same  
A packaging material has a continuous interlaminate conductive coating to shield against electrostatic potential. The interlaminate position protects the physical integrity of the coating and...
4678716 Electromagnetic shielding  
Aluminum silicon alloys are used as cores for highly conductive metal coated particles to be incorporated in resins for use as electromagnetic interference shielding. High temperature processing...
4662967 Method of making a gasket for an electronics enclosure to help keep out electrical interference  
A method of making a shielding gasket integral with a surface comprising the steps of (a) preparing a gasket material consisting of a mixture of an elastomer, a conductive filler, a catalyst and a...
4663240 RFI shielded plastic articles and process for making same  
An RFI shielded enclosure and a process for making same are disclosed. The process comprises coating at least one surface of the enclosure with a fluid organic binder having a substantial...
4631214 Transparent electromagnetic wave shielding material  
Disclosed is a transparent electromagnetic wave shielding material comprising a black electroconductive synthetic fiber gauze embedded in a molded synthetic resin body composed of diethylene...
4602141 Device for preventing electromagnetic wave leakage for use in microwave heating apparatus  
A device for preventing electromagnetic wave leakage from gaps between the body of a microwave heating device and the door thereof. The device is configured using an electromagnetic absorber...
4578310 Method of producing adherent metallic film  
A method of producing an adherent metallic film for a thermoplastic or thermoset polymeric substrate to provide radio frequency shielding of electromagnetic interference. The polymeric substrate...
4542076 Metallized molded plastic component housings for shielding against electromagnetic interference fields  
The invention relates to molded pieces of plastic having at least a partial metal coating of their surfaces. The surfaces to be coated are roughened up by means of suitable pretreatment so that a...
4530949 Housing for electrical or electronic equipment  
A housing for electrical or electronic equipment is made by moulding under heat a composition comprising an organic thermosetting resin which includes exfoliated graphite in an amount which is...
4500595 Stainless steel fiber-thermosplastic granules and molded articles therefrom  
A composite plastic material having improved shielding against electromagnetic interference is provided by injection molding a molding compound comprising elongated granules obtained by...
4478915 Corrosion resistant shim for electrically joining incompatible materials  
Galvanically incompatible materials are isolated from each other to prevent galvanic corrosion while providing for electrical conductivity therebetween. A two-sided shim is interposed between the...
4447492 Articles having an electrically conductive surface  
Electrically conductive articles which comprise a non-conductive substrate having thereon a substantially uniform, electrically conductive dispersion of finely divided particles of ferroalloys,...
4385082 Preparation of shielded plastic microwave oven  
A microwave oven cabinet is constructed with plastic materials and has a low resistivity coating on the outside surfaces thereof, which coating is achieved by applying a mixture of a metallic...

Matches 101 - 150 out of 173 < 1 2 3 4 >