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Matches 1 - 19 out of 19
Match
Document
Document Title
1
7817453
Thermal foldback for linear fluorescent lamp ballasts
A ballast circuit that facilitates providing thermal protection for a fluorescent lamp includes a coupling transformer that couples an inverter circuit to a control circuit. First and second...
2
7760527
Device and method for controlling an electric power converter
The control device of an electric power converter comprises a control circuit controlling turn-on of power semi-conductor arms. The control circuit comprises a module for determining possible...
3
7254046
DC-DC converter
In a DC to DC converter, first and second primary windings are magnetically coupled to a first secondary winding. Third and fourth primary windings are magnetically coupled to a second secondary...
4
7236378
Signal distribution to a plurality of circuit units
A device for distributing a signal, in particular a clock signal or a command/address signal from a signal source to a plurality of circuit units, includes a transformer. The transformer has a...
5
6741485
Interconnection system for transmitting power between electrical systems
An electrical interconnection system (100) comprises a variable frequency rotary transformer (102) and a control system (104). The control system (104) adjusts an angular position of the rotary...
6
6198238
High phase order cycloconverting generator and drive means
An electrical generator, consisting of a high phase order generator and a high phase order cycloconverter. Output from said cycloconverter may be high phase order, three phase, single phase, or...
7
4573004
Variable electrical energy stabilizer
A variable electrical energy stabilizer is supplied with a source having a voltage magnitude that varies to maintain a constant ratio with the pulsation frequency of the source. The variable supply...
8
4155114
Treble frequency converter
A treble frequency converter comprising a stator and a synchronously rotating rotor. The stator is provided with a primary winding connectable to a polyphase alternating current source and a...
9
4077001
Electromagnetic convertor with stationary variable-reluctance members
A dc/dc converter comprising a permanent magnet having spaced-apart poles and a permanent magnetic field extending between the poles of the magnet. A variable-reluctance core is disposed in the...
10
3771044
BROAD BAND FREQUENCY DOUBLER AND LIMITER UTILIZING MAGNETO-RESISTIVE EFFECT IN A ROTATING MAGNETIC FIELD
Apparatus for frequency doubling and limiting over a broad band of frequencies by using a magneto-resistive effect in a magnetic film. The apparatus includes a thin plate of magneto-resistive,...
11
3541427
DIRECT FREQUENCY CHANGER ARRANGEMENT
12
3309604
Magnetic core frequency multiplier and method of constructing the same
13
3274481
Frequency multiplier circuit
14
3262048
Frequency multiplier circuit including a sequential pulsing circuit
15
3229192
Static frequency multiplier
16
3223917
Magnetic frequency doubler with means for producing a unidirectional magnetic flux in said doubler
17
3204020
Apparatus for generating electrical oscillations
18
2883604
Magnetic frequency changer
19
2794164
Magnetic device
Matches 1 - 19 out of 19