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6512425 |
Electric noise absorber
An electric noise absorber for preventing looseness of magnetic body parts in a closed housing, without increasing the number of parts or decreasing the strength of the housing. The housing...
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6498557 |
Three-dimensional micro-coils in planar substrates
A three-dimensional micro-coil situated in a planar substrate. Two wafers have metal strips formed in them, and the wafers are bonded together. The metal strips are connected in such a fashion to...
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6492890 |
Method and apparatus for cooling transformer coils
One or more heat-conducting devices are located coincident with a bobbin that is used to form the coils of the transformer. The coil wire is subsequently wrapped around the bobbin and adjacent...
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6441714 |
Coil element
A hook constituted by a guide groove formed in a substantially center of a lower surface is provided in a lower portion of a first projection ( 22 ), a terminal end ( 13 a ) of a coil ( 13 ) is...
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6407931 |
DC to DC converter
A DC to DC converter having a flange attached to the housing. The flange configured to electrically isolate, insulate and shield the DC to DC converter from an underlying circuit board. The flange...
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6392519 |
Magnetic core mounting system
A mounting apparatus for an electromagnetic device such as a transformer of inductor includes a generally planar metallic plate as a first heat sink, and a metallic mounting cup as a second heat...
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6373366 |
Common mode filter
A common mode filter includes a drum-shaped core 1 with a winding 2 and a plate-like core fixed to flanges 1 b to form a closed magnetic path. Concave portions 4 a are formed in at least...
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6369680 |
Transformer
The invention relates to a mid-frequency high power transformer which is specially used as a welding transformer in resistance welding, comprising a primary winding penetrated by the limb of a...
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6344781 |
Broadband microwave choke and a non-conductive carrier therefor
An electrically conductive wire wound into a conical coil 1 with leads from the small and large ends of the coil. The coil is filled with fine-grained magnetic material 11 , and is mounted in a...
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6335671 |
Surface mount circuit assembly
A surface mount core assembly comprises a header with breakaway support rails. The breakaway support rails are used in the manufacturing process to maximize the core window of the assembly, and may...
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6335672 |
Holder for ferrite noise suppressor
A holder for containing a split ferrite suppressor includes two halves hinged to each other along one side, each half including a recess adapted to hold one portion of a split ferrite suppressor....
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6329896 |
Low-voltage bobbin for preventing sockets from displacing
The present invention provides a low-voltage bobbin of a flyback transformer. The flyback transformer comprises the low-voltage bobbin, a lower core and an upper core. The low-voltage bobbin...
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6323469 |
Induction heating of metals
A fluid cooled electric conductor for induction heating of a workpiece includes a flexible conductor which is enclosed within an insulating tube. The conductor is supported within the tube so as to...
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6294975 |
Transformer bobbin with hipot-protect structure
Disclosed is a transformer bobbin with hipot-protect structure. The bobbin is integrally formed from plastic material through injection molding and includes a central shaft portion and an outer...
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6292081 |
Tunable surface mount toroidal inductor
A surface mount, tunable inductor (200) includes a core (205) that is substantially toroidal in shape. The core (205) has a first flattened surface (206) and a second flattened surface (207)...
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6262649 |
Power magnetic device employing a leadless connection to a printed circuit board and method of manufacture thereof
A surface-mountable magnetic device comprising: (1) a multi-layer circuit containing a plurality of windings disposed in layers thereof, the multi-layer circuit having first and second lateral...
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6249116 |
Driving unit of cross-coil type indicating instrument
A driving unit of a cross-coil type indicating instrument includes a bobbin and a pair of cross-coils crossing each other, a plurality of terminals having an edge portion, a bent portion, and a rod...
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6249201 |
Fly back transformer
A fly back transformer includes a main body, a collecting element and a wire. The collecting element is fixed to the main body, while the wire is connected to the main body via the collecting...
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6249202 |
Inductance element
A plate-like coil formed by a metal plate is buried in a base made from an insulating material in a state in which electrode terminals and a fixing terminal of the plate-like coil are projecting...
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6246311 |
Inductive devices having conductive areas on their surfaces
An inductive device includes a magnetic core, a conductive winding surrounding the core, a conductive element formed on a selected portion of the surface of the magnetic core, and a termination of...
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6236289 |
Broadband microwave choke with a hollow conic coil filled with powdered iron in a leadless carrier
A thin electrically conductive wire wound into a conical coil 1 with leads from the small and large ends of the coil. The coil is filled with powdered iron 11, and is mounted in a thin-walled,...
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6147581 |
Universal transformer tank for pole-mounted distribution transformers
A universal transformer tank for distribution transformers is comprised of a cylindrical housing having a circumferential side wall, a bottom wall and an open top end. A cover is removably secured...
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6140901 |
Coil device
To produce a coil device in which fewer components are required, a plurality of coils 20 are attached to an attachment base 10, leading wires 24 of each coil 20 being attached to terminal fittings...
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6140572 |
Transformer tank with detachable cabinet interface
A transformer tank with detachable cabinet interface. The transformer tank has a metal front panel for attachment of an electrical cable. A one-piece enclosure of non-conductive, flame resistant...
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6118362 |
Integrated inductive assembly
An integrated inductive assembly includes first and second inductive elements each comprising a winding wherein winding axes of the windings are perpendicular to one another. In addition, the first...
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6118077 |
Noise absorbing apparatus
A noise absorbing apparatus includes a noise absorbing unit and a fixing base. The noise absorbing unit is constituted by a pair of ferrite members and a pair of covers covering the ferrite...
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6114932 |
Inductive component and inductive component assembly
An inductive component including a primary coil having first and second terminals, and a secondary coil including a coil substrate, wiring patterns, and conductive terminals. The coil substrate is...
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6081180 |
Toroid coil holder with removable top
A housing for a toroid coil has side walls closely formed around the coil and a top connected at a gap from the side walls by attachments. The top provides a flat, relatively smooth vacuum pick up...
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6069548 |
Planar transformer
The invention relates to a planar transformer arrangement for an electric circuit located on a circuit board. The arrangement comprises (a) a first circuit board (PCB1) on which said electric...
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6046662 |
Low profile surface mount transformer
A transformer is provided that consists of a primary winding, a secondary winding and a magnetic core. The primary winding is wound directly around the magnetic core, thereby removing the need for...
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6037649 |
Three-dimension inductor structure in integrated circuit technology
A three-dimension inductor structure formed in a conventional integrated circuit technology has a direction of magnetic field perpendicular to the normal direction of the substrate of an applied...
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6018285 |
Wire-wound component to be mounted on a printed circuit board
A wire-wound component to be mounted on a printed circuit board. The wire-wound component is formed by winding a wire on the body of the wire-wound component and by winding both end portions of the...
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6008711 |
Method and arrangement for securing a current transformer to an electric utility meter housing
An arrangement for securing a current transformer to an electric utility meter housing. The arrangement includes a utility meter base plate which forms a portion of the electric utility meter...
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6005463 |
Through-hole interconnect device with isolated wire-leads and component barriers
A device for electrically interconnecting the wire leads of various electronic elements within a microminiature package. A non-conducting base member having a plurality of electronic element...
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6005465 |
Coil assembly and method for contacting the coil on a support body
A coil assembly has a coil form on which the coil winding is arranged as well as a method of contacting the coil assembly on a support member. The coil assembly is easy to produce and also permits...
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5977853 |
Choke coil for eliminating common mode noise and normal mode noise
There is provided a choke coil having a sufficient noise eliminating effect against common mode and normal mode noises. The choke coil has two bobbins, a pair of windings wound around the...
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5926946 |
Method for manufacturing reactor
Two sets of a combination of an iron core formed of laminated strip-shaped electromagnetic steel plates and a coil are arranged in parallel, and these are abutted via core gap spacers against two...
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5929735 |
Apparatus for facilitating mounting of an inductor assembly to a printed circuit board
An apparatus for facilitating mounting of an inductor assembly to a printed circuit board that is easy to assemble into any mounting scheme and which assures that an adequate clamping force to...
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5923526 |
Arrangement for attaching an electrical component to a mounting base
An arrangement for attaching electrical inductive components to a terminal block of a mounting base utilizes interlocking male and female plug-in connections. In instances where the electrical...
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5920249 |
Protective method of support for an electromagnetic apparatus
A method of assembling an electromagnetic device having a plurality of magnetic cores with substantially planar bases, by placing the magnetic cores upon a fixture adapted to align the planar bases...
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5793273 |
Choke coil for suppressing common-mode noise and normal-mode noise
A choke coil exhibits sufficient capability in suppressing both common-mode noise and normal-mode noise while inhibiting an occurrence of magnetic saturation of a magnetic core. A terminal stand is...
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5773870 |
Membrane type integrated inductor and the process thereof
A membrane type integrated inductor includes an integrated inductor laid out on the upper plane of a membrane. The process to manufacture a membrane type integrated inductor includes the following...
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5774028 |
Surface mount line filter with solder gas discharge paths in the core
A line filter for a surface mounting device which eliminates noise on a power supply line, and more particularly a line filter for a surface mounting device in which not only a making to mount is...
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5760669 |
Low profile inductor/transformer component
A low profile, low cost, high performance inductor/transformer component having a wire coil within a core set which is disposed at least partially within a recess in a header. The header includes...
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5757258 |
High voltage isolating transformer module with substrates separated by a fixed distance
A high voltage transformer module (50) having a pair of high voltage substrates (64, 66) and a pair of low voltage substrates (62, 68) on which high and low voltage components are respectfully...
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5751203 |
Inductor with terminal table
In an inductor including a magnetic core on a top surface of a terminal table, a plurality of L-shaped conductors are inserted into the terminal table so that two ends of each of the L-shaped...
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5739736 |
Mounting arrangement for a high-voltage transformer of a microwave oven
A microwave oven includes a compartment in which a magnetron and a high-voltage transformer are disposed. The transformer includes coils disposed within a core. The core has holes formed in its...
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5736854 |
Tubular coil unit of an inductive transducer for measuring displacements
The unit is used to produce an electrical displacement-measurement signal in response to the internal movements of a core of magnetic material connected to a probe of a feeler for measuring linear...
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5731959 |
Resistor-printed board built in a flyback transformer for a video display appliance
A resistor-printed board built in a flyback transformer for a video display appliance with a reduced size as well as the resistance error of the printed resistors. A focus volume and a screen...
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5726612 |
Chip-type electronic component
A chip-type electronic component comprising at least one electronic component element which is mounted on a substrate. The electronic component element is provided on its upper portion with a flat...
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