| Patents for H03F 9 - Magnetic amplifiers (57) |
|---|
| 06/26/2014 | US20140176235 Signal Absorption Circuit |
| 12/05/2013 | US20130320940 Power flow control using distributed saturable reactors |
| 11/19/2013 | US8587372 Multi-input differential amplifier and light emitting element driving device |
| 10/31/2013 | US20130284430 System for heating a hydrocarbon resource in a subterranean formation including a magnetic amplifier and related methods |
| 06/12/2013 | EP2602921A1 Power converter with variable inductance |
| 11/29/2012 | WO2012128882A3 Power flow control using distributed saturable reactors |
| 09/27/2012 | WO2012128882A2 Power flow control using distributed saturable reactors |
| 06/28/2012 | WO2012083441A1 Artificial magnetic material, artificial magnetic device, artificial magnetic material reflecting wall and artificial magnetic material transparent wall |
| 06/12/2012 | US8198882 Power converting device with high power transformation efficiency |
| 04/14/2011 | WO2010136828A3 A method for the control of phase locked rf generators in the operation of mass spectrometers |
| 02/16/2011 | CN201750521U Gaining and noise-removing sound source line |
| 12/23/2010 | US20100321106 Amplifier |
| 01/28/2010 | US20100020987 Signal Absorption Induction Circuit |
| 06/09/2009 | US7545208 Signal amplification through an electromagnetic device |
| 03/04/2009 | CN201204114Y Main transformer for parameter voltage stabilizer |
| 11/28/2006 | CA2221363C Magnetic circuit excited by a solenoid and having a gap and its use |
| 03/21/2006 | US7016387 Windows, electrode masking segments; measurement adjustment pattern segments |
| 04/02/2002 | US6366074 Unidirectionality in electronic circuits through feedback |
| 09/26/2001 | EP1137169A2 Unidirectionality in electronic circuits through feedback |
| 02/23/2000 | CN2365819Y Magnetic circuit control compensating AC voltage stabilizer |
| 04/01/1998 | CN2277602Y High-efficiency self-cooling parameter steady device |
| 11/18/1997 | US5689408 Magnetic amplifier |
| 09/06/1994 | US5345189 Vectorial signal combiner for generating an amplitude modulated carrier by adding two phase modulated constant envelope carriers |
| 05/25/1994 | EP0598577A1 Improvement to non-saturating magnetic amplifier controller |
| 05/18/1994 | CA2102684A1 Non-saturating magnetic amplifier controller |
| 04/06/1993 | CA1315845C Non-saturating magnetic amplifier controller |
| 05/26/1992 | CA1301475C Magnetic amplifier |
| 06/05/1990 | US4931920 Circuit and method for regulating output voltage of a switch mode power supply having a current mode magnetic amplifier |
| 06/05/1990 | US4931918 Ringing choke converter |
| 05/02/1990 | EP0365619A1 Non-saturating magnetic amplifier controller |
| 04/11/1990 | CN1041252A Magnetic-brake tech and its application |
| 04/10/1990 | US4916590 Series resonant magnetic amplifier power supply |
| 03/07/1990 | EP0357411A2 Controlled-inductance regulator for switching power supplies |
| 09/21/1989 | WO1989008948A1 Non-saturating magnetic amplifier controller |
| 06/20/1989 | US4841428 Non-saturating magnetic amplifier controller |
| 06/23/1987 | US4675615 Magnetic amplifier |
| 10/09/1985 | EP0067153B1 Dual core magnetic amplifier sensor |
| 06/26/1984 | CA1169930A1 Switch mode converters |
| 04/25/1983 | EP0067153A4 Dual core magnetic amplifier sensor. |
| 03/22/1983 | US4377758 Magnetic amplifying apparatus |
| 12/22/1982 | EP0067153A1 Dual core magnetic amplifier sensor. |
| 10/05/1982 | US4353113 Switch mode converters |
| 09/07/1982 | CA1131313A1 Magnetic modulator differentially outputting magnetic core noise |
| 08/10/1982 | CA1129586A1 Aromatic polyester resins containing p.p' thiodiphenol |
| 07/08/1982 | WO1982002253A1 Dual core magnetic amplifier sensor |
| 06/09/1981 | US4272724 Magnetic modulator for magnetic field detection differentially outputting magnetic core noise |
| 05/05/1981 | US4266190 Dual core magnetic amplifier sensor |
| 04/14/1981 | US4262259 Low current linearization of magnetic amplifier for DC transducer |
| 02/24/1981 | CA1096451A1 Magnetic amplifier having a co-axial winding |
| 08/26/1980 | US4219629 P-Oxybenzoyl copolyesters comprising thiodiphenol components and having improved flexibility and solubility in organic solvents |
| 08/01/1978 | US4104716 Saturable magnetic device for regulating commutating or converting an electric current from AC to DC or vice versa |
| 05/30/1978 | US4092607 Magnetic amplifier having a co-axial winding |
| 06/28/1977 | US4032833 Chopper control device |
| 06/14/1977 | US4030052 Flat tuner |
| 04/19/1977 | US4019123 Magnetic amplifier arrangements |
| 12/28/1976 | US4000473 Isolation amplifier |
| 11/23/1976 | US3993960 Magnetic signal mixing amplifier |