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7581303 |
Method of manufacturing a chassis assembly to reduce electromagnetic interference
A method of manufacturing a chassis assembly to reduce electromagnetic interference is disclosed. The method includes forming a chassis having a chassis cover top portion, a chassis cover step...
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7456365 |
Electroactive polymer compressed gasket for electromagnetic shielding
A gasket for shielding a seam between two surfaces includes a resilient member, a first electrode, a second electrode and a conductive layer. The resilient member has a first side and an opposite...
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7446264 |
Electromagnetic wave shielding gasket
An electromagnetic wave shielding gasket comprising a gasket body integrated with an electroconductive non-woven fabric or woven fabric, a seal part being provided, while avoiding the area of the...
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7342184 |
Three-dimensional configurations providing electromagnetic interference shielding for electronics enclosures
The present invention provides a configuration of a computer-chassis containment or other electromagnetic device method for manufacture in which a “one-hit” solution may be implemented to...
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7164587 |
Integral heatsink grounding arrangement
An electromagnetic (EM) shielding assembly shields an electronic component mounted on a circuit board. The assembly includes a shielding portion that is electrically conductive and can be mounted...
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7132609 |
Chassis spring finger tortuous path with improved manufacturability
a chassis assembly that reduces the amount of electromagnetic radiation entering or leaving the interior of the chassis assembly. The chassis assembly includes a chassis cover and chassis back. The...
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6943287 |
Shielding cage with improved EMI shielding gasket construction
An electromagnetic interference (EMI) shielding cage for an electronic module is comprised an electrically-conductive bottom, an electrically-conductive rear panel electrically coupled to said...
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6878872 |
Shielding cage with multiple module-receiving bays
An electromagnetic interference (EMI) shielding cage for an electronic module is comprised an electrically-conductive bottom, an electrically-conductive rear panel electrically coupled to said...
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6864422 |
Electrical isolation of an electronic device
A clip includes an integral u-shaped body of insulating material including two parallel fingers joined by a spine to define a gap between the fingers. The fingers have respective holes each sized...
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6814592 |
Short contact element between housing parts
A springy contact element for contacting first and second housing parts has a sheet metal tab formed as a unitary part of the sheet metal of the first housing part. The sheet metal tab has a base...
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6784363 |
EMI shielding gasket construction
A EMI shielding gasket for interposition between a first and a second part of an electronic device. The gasket includes a foam or like resilient inner member, and an electrically-conductive member,...
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6566597 |
Shield assembly for computer enclosure and pressing machine for making it
A pressing machine ( 10 ) for combining metal members ( 16 ) and plastic members ( 14 ) of shield assembles ( 12 ) includes a workbench ( 60 ), a cylinder ( 54 ), a guide device ( 100 ), and a...
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6542384 |
Riser card local EMI shield for a computer chassis
A shielded riser card assembly for reducing electromagnetic radiation from a computer enclosure is disclosed. The riser card assembly comprises a four-layer riser card having a connector adjacent...
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6426881 |
Shielding arrangement for inter-component shielding in electronic devices
A shielding gasket is affixed to a shield housing for interposition between the shield housing and a circuit board of an electronic device. The circuit board includes a plurality of electronic...
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6359214 |
Serrated EMI gasket and computer system with improved EMI shielding
An EMI gasket ( 20 ) includes a plurality of serrations ( 34 ) along at least one edge ( 35, 36 ). The serrations ( 34 ) are arranged side-by-side so that each may be articulated individually. That...
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6349043 |
Apparatus for reducing electromagnetic emissions
A computer system including a chassis having a microprocessor mounted thereon. A system memory is coupled to provide storage to facilitate execution of computer programs by the microprocessor. An...
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6346672 |
Structure for preventing electromagnetic interference of central processing unit
The present invention proposes an improved structure for preventing electromagnetic interference (EMI) of a central processing unit (CPU), which structure includes a base, a shielding element, at...
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6150606 |
Electromagnetic shield
Contact piece (63), which are used to establish therethrough electric connections between shielding areas on front and rear cases (41) and (43) making up an electronic equipment housing, are formed...
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6133652 |
Grounding and RFI isolation for control stations
A radio frequency isolation system for geographically distance signal sources comprising AC and DC signals which develop differences in ground potential includes a control cabinetry chassis with...
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6121546 |
RF shield
An RF shield dividing components on a printed circuit board into separate compartments in the form of a divider wall having a lower edge surface soldered onto the printed circuit board and an upper...
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6051780 |
Screening device against electromagnetic radiation
Screening device against electromagnetic radiation, having a thin structural unit (2) which extends in a plane and is provided with walls (3) running essentially perpendicular to the plane, whereas...
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5990775 |
Static electric apparatus with shielding
An elastic molded insulating member such as rubber and elastomers is mounted at the end of an electrostatic shield ring attached to the end of a winding, or an electrostatic shield ring is made of...
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5977480 |
Grounding and RFI isolation for control station
A control station for use individually or as an element of a distributed process control system has an improved high frequency isolation and grounding system incorporating a "Chomeric" conductive...
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5897808 |
Microwave oven door with microwave leakage seal
A microwave oven includes a main body forming a cooking chamber, and a door hinged to the main body. A rear side of the door includes an endless choke groove and a sealing member surrounding the...
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5895884 |
Shielding device with push fit lid
A shielding device is formed from two unitary pieces, one of which pieces is a generally planar member taking the form of a lid and the other piece takes the form of a side wall member which is...
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5869788 |
Weighing scale with EMI/RFI shielding
An electronic weighing device includes a lower electrically conductive plate, an upper electrically conductive plate, a load cell coupled to central portions of the upper and lower plates such that...
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5742488 |
Shielding device and method of mounting
The invention relates to a method for attaching an EMC protective casing to a circuit board and to an EMC protective casing. The fastening method according to the invention is based on convex pins...
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5731963 |
Housing for a radio device having a thin electrically conductive film applied to an exterior surface thereof
A housing is provided for a radio device, such as a portable cellular telephone, in a housing arrangement which includes an integral electromagnetic shield. A thin conductive film is applied to an...
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5717577 |
Gasketed shield can for shielding emissions of electromagnetic energy
The present invention places a semi-lossy gasket between a printed circuit board ground pad ring and a metal shield can for shielding electronic components and circuitry which generate...
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5652410 |
Conductive insert for providing electromagnetic charge protection
A conductive insert for protecting an externally mounted microelectronic device is disclosed. The conductive insert is designed to prevent ESD (Electrostatic Discharge) or RFI (Radio Frequency...
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5596170 |
Flexible dome electrical contact
A flexible electrical contact is formed as a convex dome structure extending from one side of a surrounding structure, with the convex dome structure and the surrounding structure forming an...
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5569877 |
Sewn material and method for shielding against electromagnetic waves
A sewn material for shielding against electromagnetic waves is provided without increasing the number of stitch perforations created when sewing electrically conductive threads to a base material....
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5548085 |
Transportable weathertight and EMI shielded cabinet enclosure
A weathertight and EMI shielded door configuration for a cabinet (10) includes at least one door opening defined by an upper, a lower, and two vertical frame members (34, 36, 38, 40, 42, 56). An...
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5523527 |
Sliding electromagnetic control contact device
The invention relates to an electromagnetic control (EMC) contact strip. In one embodiment, the strip is mounted to an electrically conductive surface which is adapted to slide in a direction into...
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5519585 |
Sandwiched insulative/conductive layer EMI shield structure for printed circuit board
Using a thermal/vacuum forming process a thin film polymer substrate is shaped into a generally shroud-like EMI shield body which forms a portion of a multi-layer EMI shield structure removably...
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5497292 |
Configurable computer chassis port and method of manufacture therefor
A computer chassis having a port adapted to be configured to receive electrical connectors of differing dimensions therethrough and a method of manufacturing such configurable ports. The computer...
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5477157 |
Method and apparatus for detecting flaws of a seam in a shielded enclosure
Flaws in a seam of a shielded enclosure are detected by forcing a current to flow over the shielded enclosure and the seam. A small portable, hand held, compact device is placed over the seam. The...
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5436802 |
Method and apparatus for shielding an electrical circuit that is disposed on a substrate
An electronic device employs a method and apparatus for shielding an electrical circuit (101) that is disposed on a substrate (120). A base member (103) that includes a top portion (104) and a...
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5436803 |
Emi shielding having flexible conductive envelope
An electronic device such as a portable computer is shielded against electromagnetic interference using a flexible envelope that surrounds a circuit card within the housing of the device. The...
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5353201 |
Shield device for printed circuit boards
A shield device for a printed circuit board includes a shield body and a receiving member to be fitted to the shield body which has a plurality of first legs extending perpendicularly to the upper...
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5225629 |
Snap-in EMI contact associated with a digital computer
To reduce the electro-magnetic interference (EMI) of a digital computer, the EMI contact of this invention is snapped into place in the chassis of the computer and the cover for the computer is...
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5214242 |
Electromagnetic interference/radio frequency interference conducting strip
An aluminum foil strip is provided with adhesive strips on one face surrounding the strip of foil. The strip of foil is then positionable and attachable to an electronic cabinet frame over exposed...
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5206796 |
Electronic instrument with EMI/ESD shielding system
An electronic instrument is provided with a shielding system consisting of two metallic shields press fitted into plastic instrument case parts without the need for any additional parts to provide...
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5166772 |
Transfer molded semiconductor device package with integral shield
A shielded semiconductor package and a method for manufacturing the package is provided. The shielded semiconductor package comprises a substrate (10) having a metallization pattern (12, 13), with...
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5136120 |
Technique for reducing electromagnetic interference
At least one pair of areas on a circuit pack or substrate is allocated for the placement of electromagnetic interference (EMI) absorbing material, e.g., split ferrite cores. All or a portion of the...
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5083239 |
Shielding apparatus for an electrical assembly
Shielding apparatus for an electrical assembly. A shroud that covers a front cover of the assembly is located at the front side of the electrical assembly that is insertable into a magazine. The...
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5039825 |
Corrugated strip gasket for an electronic enclosure joint to reduce both electromagnetic and radio frequency radiation
An arrangement to provide an electronic enclosure joint that reduces both electromagnetic and radio frequency radiation between walls of an enclosure of an electronics product has a corrugated...
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5004866 |
Self-contained grounding strip
An apparatus for electromagnetically shielding electronic equipment has a first and second spaced apart housing members having a gap between them. A rigid member having a plurality of openings is...
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5004867 |
Personal computer expansion slot seal and method
A personal computer CPU chassis (10) is sealed from the emission of radio frequency (RF) through the expansion slots (24) in the rear panel (18). An expansion slot seal (37) is dimensioned to fit...
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4982053 |
Closure arrangement including a radio frequency seal
A closure arrangement comprises an aperture-defining frame, a closure panel member which fits removeably into the frame, and a radio-frequency seal between the frame and an edge of the panel...
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