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5724016 |
Power magnetic device employing a compression-mounted lead to a printed circuit board
A magnetic device includes: (1) a multi-layer circuit containing a plurality of windings disposed in layers thereof, the multi-layer circuit having inner lateral vias associated therewith, the...
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5691636 |
Probe assembly mounting for a grinding machine
The invention is a method and apparatus for calibrating a gap sensing probe (12) in a refiner having first (76) and second (80) grinding plates facing each other and supported by respective first...
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5686696 |
Transformer pad
A transformer pad is disclosed for receiving and supporting a utility transformer and for collecting and containing leaking liquid from the transformer. The transformer pad includes a container in...
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5675121 |
Precision graphics foil header
An electronic component mounting holder for surface mounting of an electronic component having a plurality of tape leads, includes a non-conducting three dimensional rectangular frame having...
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5670925 |
Bobbin, bobbin and core assembly, and inductor coil assembly for electronic ballast
A bobbin and core assembly includes a bobbin for supporting a pair of discrete windings. The bobbin includes a central body, first and second inner flanges fixed to first and second ends of the...
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5670924 |
Inductor mounting assembly
The subject invention provides an inductor mounting assembly that is easy to assemble into any mounting scheme and which assures that an adequate clamping force to overcome vibration forces is...
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5587694 |
Reactor with core gap spacers
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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5568111 |
Ferrite common mode choke adapted for circuit board mounting
A common mode choke has a generally rectangular ferrite body for surface mounting on a printed circuit board. First and second spaced apart slotted openings extend vertically between the top face...
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5559360 |
Inductor for high frequency circuits
An inductor fabricated for semiconductor use is disclosed. The inductor is formed with a multi-level, multi-element conductor metallization structure which effectively increases conductance...
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5548264 |
Coil device
A coil device includes an insulating board, a drum core disposed on the board, the drum on which a coil is wound, at least one lead terminal passing through the insulating board from the bottom...
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5519582 |
Magnetic induction coil for semiconductor devices
A magnetic induction coil is mounted directly on and integrated with a semiconductor wafer containing integrated circuitry for a stable power source. Grooves are etched in the reverse face of the...
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5515021 |
Switching battery charger for reducing electromagnetic emussions having separately-mounted circuit boards
A method and apparatus for reducing electromagnetic emissions from switching-type battery chargers safely and at low cost. The method and apparatus generally comprises enclosing the battery charger...
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5508882 |
Ballast case for electronic fluorescent lamp
A ballast case for electronic fluorescent lamp. The ballast case makes good a deficiency of potting compound even when deficient amount of potting compound is charged in the ballast enclosure, thus...
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5489884 |
Inductive electric component
An inductive electric component, in particular an electric transformer, includes a coil body having coil body flanges defining a winding space, and contact pin strips integrally formed onto the...
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5479146 |
Pot core matrix transformer having improved heat rejection
A pot core matrix transformer has a large number of connections from its secondary winding, the connections being fairly evenly distributed around the bottom surface. If these connections are...
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5469124 |
Heat dissipating transformer coil
An easy to assemble transformer for use in an electronics module of an electric vehicle. The transformer can be assembled from the "top down," thus alleviating the need to build the transformer as...
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5463365 |
Coil
A coil contains a winding part and a core. The winding part is formed of plural laminated sheets each having a winding pattern. Plural winding patterns are formed on at least one sheet. Each of the...
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5446311 |
High-Q inductors in silicon technology without expensive metalization
A monolithic high-Q inductor structure is formed with multiple metalization levels in a conventional integrated circuit technology in which inductor turns utilize these multiple levels to reduce...
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5402321 |
Composite device having inductor and coupling member
A method of producing a composite component and a composite device which are small in size, high in the mass-production aptitude, and stable in the electrical characteristics. The composite...
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5373276 |
Self centering coil
A self centering coil (200) includes a coil section (202) and also having curved end section (206) and (204) at opposite sides of the coil section (202). The curved end sections are preferably...
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5341117 |
Device for maintaining the position of a coil support in a cup-shaped casing part
In a device for positional fixation of a coil support in a cup-shaped formed casing part, wherein a closure part (4, 8) is attached to the cup-shaped casing part (1, 2, 22). Said closure part (4,...
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5319341 |
Core support blocking for toroidal transformers
Core support blockings (10, 12) used to support a toroidal transformer (2) within a transformer housing (4) includes a pie-shaped body (28) having a second end (32) secured to the transformer core...
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5309130 |
Self leaded surface mount coil lead form
A self leaded holder for surface mounting of a circuit element to a PC board comprises a generally box-like support body having a cavity for mounting a circuit element, the support body having a...
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5293145 |
Switch battery charger with reduced electromagnetic emission
A method and apparatus for reducing electromagnetic emissions from switching-type battery chargers safely and at low cost. The method and apparatus generally consists of enclosing the battery...
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5291172 |
Noise absorber
A noise absorber provided with a fixture disposed at a flank of a body, thereby improving the positionability of the noise absorber and easy access thereto for handling. The body and the fixture...
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5264814 |
Electrical noise absorber
An electrical noise absorber comprising a magnetic body like ferrite attached around a flat cable and a fixing member. The fixing member comprises an inserting portion having a through hole for...
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5262747 |
Winding support and method of forming an assembly comprising an electric coil and an electronic component by means of such a support
The winding support comprises a first cylindrical portion (1) which comprises a winding space for a coil winding which is situated between a first wire fastener unit (7) and a wire guide (5), and a...
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5239278 |
Transformer and mounting bracket assembly
A transformer assembly having a mounting plate of electrically conductive material An electrically conductive core of a transformer has an end mounted on the plate and electrically connected to the...
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5225802 |
Low loss spiders
A low loss composite spider arrangement for use in inductive electrical epment and an air core reactor incorporating the same in which a non-conductive or a conductive material having very low...
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5210515 |
Winding support
The winding support comprises a first cylindrical portion (1) which comprises a winding space for a coil winding which is situated between a first wire fastening units (7) and a wire guide (5), and...
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5210513 |
Cooling of electromagnetic apparatus
An electromagnetic apparatus such as a transformer or a single winding inductor is provided with a cooling arrangement. The apparatus has a magnetic core and a coil winding disposed about and...
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5191699 |
Methods of producing a chip-type HF magnetic coil arrangement
A miniaturized or chip-type HF magnetic-coil arrangement, e.g. a toroidal core transformer, comprising a basic body (1) of plastic material, which is provided with openings for magnetic cores (2),...
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5182536 |
Surface mount current transformer structure
A miniature current transformer is equipped with a primary winding insert formed as a stamped metal piece with elongate legs and a flange portion disposed at 90 degrees to the legs. The top of the...
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5179365 |
Multiple turn low profile magnetic component using sheet windings
A magnetic component (i.e. inductor or transformer) utilizes sheet winding patterns designed to enhance component assembly and maximize utilization of the core window areas. The windings are...
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5165056 |
Transformer winding form with an insertion-type leader frame
A transformer winding form includes an insertion-type leader frame which is attached to the transformer winding form during the process of molding the winding form. The leader frame can be produced...
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5160820 |
Welding transformer and method of manufacturing same
A welding transformer for use in a resistance welding machine has primary and secondary coils. The primary coil includes a plurality of spaced juxtaposed coil units mounted on a base board. Each of...
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5148071 |
Swing-type actuator with thin reinforced movable coil
The swing-type actuator includes (a) a housing comprising a pair of yokes opposing each other and a permanent magnet attached to at least one of the yokes for defining a magnetic gap therebetween,...
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5140706 |
Transmission-line transformer device for double-balanced miner
A transformer device of a double-balanced mixer includes a rectangular seat member and first and second transformers aligned side by side in a lengthwise direction on a top surface of the seat...
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5136245 |
Magnetic detection apparatus with sensors mounted on channel or angle cantilever support
A magnetic detection apparatus (magnetic locator) comprises a housing constituted by a first integral molded plastic unit and a second integral molded plastic unit that are joined. The first unit...
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5109208 |
Current limiting electrical reactor
There is disclosed a current limiting electrical reactor that efficiently uses space. The reactor includes a supporting core with a circular periphery where the conductor is wound about the...
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5097404 |
Supply circuit or power supply unit for supplying electronic devices or the like with current or voltage
A supply circuit for supplying electronic devices with current or voltage and mountable as a module has input and output connections, a rectifier cirucit, a transformer having a primary winding...
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5091711 |
Current transformer mounting mechanism for circuit breaker
Current transformer mounting mechanism which mounts a current transformer having a core on a circuit breaker to diminish impact caused by switching operation comprising: at least one substantially...
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5087875 |
Isolated high voltage transformer for electric power meter
An electronic register in an electric energy meter includes a power supply transformer mounted on and through the register circuit board which is positioned between the base of the meter and the...
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5079462 |
Brushless electrical power generator with reduced harmonics
A brushless generator in accordance with the present invention includes a main generator having a stator (12) on which is wound at least one phase winding (52-56), each phase winding producing a...
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5067917 |
Component mounting frame
A frame (10) for holding an electrical component (34) that is to be mounted on a printed circuit board is provided. A board (12) is folded to form a pocket (20) having sidewalls (22 and 24) and a...
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5055971 |
Magnetic component using core clip arrangement operative for facilitating pick and place surface mount
A core securing clip to hold the two core members of the core of a surface mount magnetic component together is designed with a large planar surface to provide a suitable surface to facilitate the...
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5032814 |
Mounting assembly for an ignition coil, in particular for an internal combustion engine of an automotive vehicle
A multiple ignition coil, in particular for an internal combustion engine for an automotive vehicle, has a casing in which are integrated at least two magnetic assemblies, at least two magnetic...
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5027099 |
Sensitive fault detection system for parallel coil air core reactors
An air core reactor of the type having a plurality of coaxial coil windings connected electrically in parallel by structurally rigid spiders at opposite ends of the reactor. There are two...
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5027256 |
Component carrier with curved base
Disclosed is a component carrier adapted for mounting components on curved surfaces. The carrier comprises a rigid base member having a top surface adapted for supporting a component and a bottom...
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5015981 |
Electronic microminiature packaging and method
An electronic device having a plurality of leads comprises a three dimensional electronic element holder of a non-conducting material having at least one cavity therein and a plurality of lead...
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