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Document Title |
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7439821 |
DC to DC transmission system
A DC to DC transmission system includes at least three conductors between a source and a sink, a first switch which alternately connects each conductor to the source, a second switch which...
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6912921 |
Torque detecting device
A torque detecting device includes an elastic member disposed between an input shaft and an output shaft of a torque transmitting apparatus, first and second resolvers detecting rotational angles...
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6791033 |
High-voltage insulation system
The present invention relates to a high-voltage insulation system which is suitable for low temperatures and which, in addition to a cooling liquid (3) comprises a solid material insulator (2)...
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6596200 |
Electronic material composition, electronic parts and use of electronic material composition
Provided is an electronic material composition which is capable of forming a cured film exhibiting a desired glass transition temperature, a desired stiffness modulus in a rubbery state and a...
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6351202 |
Stationary induction apparatus
A stationary induction apparatus superior in insulating ability against a surge voltage includes a coil piece on a line end side surrounded by one electrostatic shield insulating layer. The coil...
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6323602 |
Combination equalizing transformer and ballast choke
A ballast circuit includes an equalizer transformer for equalizing current between two or more lamps operated in parallel, combined on one core with a choke. In a 2-lamp embodiment, four windings...
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6168696 |
Non-knurled induction coil for ionized metal deposition, sputtering apparatus including same, and method of constructing the apparatus
An RF induction coil for inductively coupled ionized sputtering applications having at least one extremely smooth surface, on the order of about 30 μm or less, which faces, substantially resides ...
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6163234 |
Micromagnetic device for data transmission applications and method of manufacture therefor
A data transmission micromagnetic integrated circuit having a ferromagnetic core, a method of manufacture therefor and a data transmission circuit employing the same. In one embodiment, the...
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5579887 |
Coin detection apparatus
A differential type sensing unit which includes a winding core having a winding shaft is described. In one embodiment, a post extends from the winding shaft and is located intermediate first and...
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5545916 |
High Q integrated inductor
An inductive structure for use in high frequency integrated circuits is provided. A conductive path forming the structure is arranged so extra conductive material is located at portions of the...
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4670342 |
Method of making electrical inductive devices for use in hermetic refrigerant atmospheres
A method for making an electrical inductive device for use in hermetic atmospheres which incorporate refrigerants such as halogenated methane compositions, for example refrigerant R-22,...
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4457792 |
Method of manufacturing a molded coil
A method of manufacturing a molded coil for use in an electric apparatus such as a molded transformer or a reactor. The method includes the steps of covering a winding with an insulating prepreg,...
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4060783 |
Magnetic circuit and method of making
A low cost magnetic circuit and method of making the same are disclosed. The magnetic circuit comprises an integral magnetic core having at least four legs in a closed magnetic path, at least one...
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3968465 |
Inductor and method for producing same
There is provided a gap in a magnetic circuit of an iron core inductor, and a plurality of small size permanent magnet pieces are placed in the aforesaid gap, with the magnetizing directions...
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3902674 |
Core supporting and rotating assembly
A novel core and a novel core supporting and rotating assembly enable a coil of electrical wire to be wound in turns on the core without the use of conventional core supporting clamps, and, if...
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3781738 |
METHOD AND APPARATUS FOR TRANSFERRING MOVABLE COILS OF A VARIABLE INDUCTION DEVICE
A method and apparatus for transferring the turns and windings of a movable coil between two drum portions, such as either from one drum to another or from one position on a drum to another postion...
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3732487 |
METHOD AND APPARATUS FOR ELECTRICALLY COUPLING AN OUTPUT VOLTAGE FROM A VARIABLE INDUCTION DEVICE TO LOAD
Apparatus for electrically connecting the output voltage from a movable coil of a variable induction device to an external load. The movable coil is preferably mounted on two spaced, rotatable...
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3518594 |
TRANSFORMER HAVING VARIABLE NUMBER OF TURNS
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3422383 |
VARIABLE INDUCTOR
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3419833 |
Regulator device for induction apparatus employing addition and subtraction of coil turns
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3419874 |
Mechanical tuning arrangement for dual helix winding antenna (compact antenna, 30-76 megacycles)
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3417403 |
Electrically small spiral antenna tunable over a wide band
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3405373 |
Variable delay line
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3302151 |
Contactless variable resistor
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3257632 |
Resonant circuit apparatus
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3253241 |
Miniature tapped adjustable inductor
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3246268 |
Variable inductor having an internally wound coil of melical form
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3133235 |
Variable impedance
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3085215 |
Precision variable winding impedance
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3030563 |
Servomotor control circuit
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3001161 |
Variable inductor having a variable tap
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2993182 |
Variable inductance
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2988638 |
Variable impedance unit
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2982929 |
Variable inductor
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2881373 |
Rolled condenser
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2827600 |
Adjustable capacitor
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