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Class Information
Number: 336/170
Name: Inductor devices > Three or more windings
Description: Inductor devices comprising three or more windings, not elsewhere provided for.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7459863 |
Transformer and multi-lamp driving circuit using the same |
Dec. 2, 2008 |
| 7447050 |
Multilevel converter and method of converting a supply voltage |
Nov. 4, 2008 |
| 7403081 |
Broadband hybrid junction and associated methods |
Jul. 22, 2008 |
| 7365501 |
Inverter transformer |
Apr. 29, 2008 |
| 7362182 |
Power amplifier |
Apr. 22, 2008 |
| 7352269 |
Method for making magnetic components with N-phase coupling, and related inductor structures |
Apr. 1, 2008 |
| 7332992 |
Transformer |
Feb. 19, 2008 |
| 7307361 |
Medium voltage power converter formed using low voltage drives |
Dec. 11, 2007 |
| 7301427 |
Transformer having auxiliary winding coil for sensing magnetic flux balance and driving circuit using the same |
Nov. 27, 2007 |
| 7274281 |
Discharge lamp lighting apparatus |
Sep. 25, 2007 |
| 7209024 |
Filter circuit and power supply unit |
Apr. 24, 2007 |
| 7199692 |
Noise suppressor |
Apr. 3, 2007 |
| 7193496 |
Magnetic element and power supply |
Mar. 20, 2007 |
| 7136293 |
Full wave series resonant type DC to DC power converter with integrated magnetics |
Nov. 14, 2006 |
| 7129813 |
Wound-rotor transformer and power source device using said wound-rotor transformer |
Oct. 31, 2006 |
| 7113065 |
Modular inductor for use in power electronic circuits |
Sep. 26, 2006 |
| 7019466 |
Circuit arrangement for driving a high-pressure discharge lamp |
Mar. 28, 2006 |
| 7015784 |
Wound-rotor transformer and power source device using said wound-rotor transformer |
Mar. 21, 2006 |
| 6873237 |
Core structure |
Mar. 29, 2005 |
| 6856230 |
Harmonic filtering circuit with special transformer |
Feb. 15, 2005 |
| 6844803 |
Thirty-degree length impedance transformer |
Jan. 18, 2005 |
| 6829817 |
Apparatus and method for the manufacture of large transformers having laminated cores, particularly cores of annealed amorphous metal alloys |
Dec. 14, 2004 |
| 6822546 |
Transformer arrangement for combined pots and xDSL service |
Nov. 23, 2004 |
| 6794976 |
HF transformer assembly having a higher leakage inductance boost winding |
Sep. 21, 2004 |
| 6791447 |
Configuration for producing electrical power from a magnetic field |
Sep. 14, 2004 |
| 6617949 |
Choke coil |
Sep. 9, 2003 |
| 6583703 |
Electrical apparatus having an electromagnetic device operable at multiple inductance values |
Jun. 24, 2003 |
| 6542047 |
Ninety degree splitter with at least three windings on a single core |
Apr. 1, 2003 |
| 6518869 |
Power supply transformer for telephone |
Feb. 11, 2003 |
| 6459350 |
Diode-split high-voltage transformer |
Oct. 1, 2002 |
| 6456182 |
Common mode choke coil |
Sep. 24, 2002 |
| 6445268 |
Instantaneous trip power transformer |
Sep. 3, 2002 |
| 6424247 |
Inverter transformer |
Jul. 23, 2002 |
| 6414578 |
Method and apparatus for transmitting a signal through a power magnetic structure |
Jul. 2, 2002 |
| 6411528 |
Switching power circuit and insulating converter transformer |
Jun. 25, 2002 |
| 6373203 |
Diode-split high-voltage transformer |
Apr. 16, 2002 |
| 6323602 |
Combination equalizing transformer and ballast choke |
Nov. 27, 2001 |
| 6320490 |
Integrated planar transformer and inductor assembly |
Nov. 20, 2001 |
| 6168696 |
Non-knurled induction coil for ionized metal deposition, sputtering apparatus including same, and method of constructing the apparatus |
Jan. 2, 2001 |
| 6118362 |
Integrated inductive assembly |
Sep. 12, 2000 |
| 6064291 |
Converter transformer |
May. 16, 2000 |
| 6014071 |
Choke coil |
Jan. 11, 2000 |
| 5912553 |
Alternating current ferroresonant transformer with low harmonic distortion |
Jun. 15, 1999 |
| 5841335 |
Choke coil |
Nov. 24, 1998 |
| 5805042 |
Radio frequency low hum-modulation AC bypass coil |
Sep. 8, 1998 |
| 5767754 |
Balanced to unbalanced transmission line impedance transformer exhibiting low insertion loss |
Jun. 16, 1998 |
| 5764123 |
Transformer with reduced signal rise time |
Jun. 9, 1998 |
| 5751205 |
High-voltage transformer for a television receiver |
May. 12, 1998 |
| 5579887 |
Coin detection apparatus |
Dec. 3, 1996 |
| 5545916 |
High Q integrated inductor |
Aug. 13, 1996 |
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