| Patents for H01F 19 - Fixed transformers or mutual inductances of the signal type (1,296) |
|---|
| 11/05/1986 | EP0200567A2 CRT Focus tracking arrangement |
| 08/27/1986 | CN85101004A Differential transformer-displacement sensor of anti-high temperature and steam resistant |
| 08/26/1986 | CA1210465A1 Personnel identification marker coil assembly for isotropic flux linkage in a given plane |
| 07/23/1986 | EP0187771A1 High frequency transformer. |
| 07/02/1986 | EP0185750A1 Power transformer for use with very high speed integrated circuits |
| 06/24/1986 | US4596974 Transformer comprising coaxial coil formers |
| 04/15/1986 | US4583068 Low profile magnetic structure in which one winding acts as support for second winding |
| 04/15/1986 | CA1203298A1 Electric coil |
| 02/27/1986 | WO1986001333A1 Low profile magnetic structure in which one winding acts as support for second winding |
| 02/26/1986 | EP0104193B1 Insulated device for the transmission of binary information through an electric line |
| 01/30/1986 | WO1986000749A1 High frequency transformer |
| 01/01/1986 | CN85200956U Relaying voltage-transformer for a receiving terminal of successive alternating-current railway circuit |
| 12/19/1985 | WO1985005730A1 Power transformer for use with very high speed integrated circuits |
| 11/27/1985 | EP0162488A1 Transfromer comprising coacxial coil formers |
| 11/19/1985 | US4554518 Wide band impedance transformer with transformation ratio close to three for radio frequencies |
| 10/29/1985 | US4550364 Power transformer for use with very high speed integrated circuits |
| 10/22/1985 | US4549186 Coil assembly for substantially isotropic flux linkage in a given plane |
| 10/22/1985 | US4549130 Low leakage transformers for efficient line isolation in VHF switching power supplies |
| 09/04/1985 | EP0153808A1 Transformers |
| 09/03/1985 | US4538863 For transferring alternating current electrical energy |
| 08/27/1985 | US4538132 Impedance converting transformer formed of conductors extending through a magnetic housing |
| 08/21/1985 | EP0151729A2 High-voltage transformer for X-Ray generator |
| 07/03/1985 | EP0146585A1 Inductive element, particularly transformer. |
| 07/02/1985 | CA1189963A1 Television receiver saturating core regulated power supply with permanent magnet biasing |
| 05/21/1985 | US4518941 Pulse transformer for switching power supplies |
| 05/14/1985 | US4517522 Switching amplifier |
| 03/26/1985 | US4507640 High frequency transformer |
| 02/26/1985 | USRE31840 Transformer for use in a static inverter |
| 02/19/1985 | US4500833 Switched mode power supply transformer |
| 01/23/1985 | EP0131808A1 Very high frequency power transformer and method of manufacturing |
| 01/23/1985 | EP0131700A2 Switch mode transformer having a ferrite core |
| 01/03/1985 | WO1985000072A1 Inductive element, particularly repeater |
| 12/27/1984 | EP0129464A1 Wide band radio frequency impedance transformer with a transformation ratio of about three |
| 12/25/1984 | US4490844 Low frequency transformer |
| 12/05/1984 | EP0127119A1 Electomagnetic appliance for high-frequency power circuits, particularly a transformer or reactive coil |
| 11/21/1984 | EP0125948A1 Power modulator having a transformer |
| 10/30/1984 | CA1177160A1 Television receiver power supply |
| 10/30/1984 | CA1177127A1 Miniaturized transformer construction |
| 09/25/1984 | US4473811 Single bobbin transformer having multiple delink windings and method of making same |
| 07/31/1984 | US4463334 Electric coil on core with angled end surface |
| 05/09/1984 | EP0108010A1 Broad band transmitting transformer for high frequency telecommunication |
| 04/04/1984 | EP0104193A1 Insulated device for the transmission of binary information through an electric line. |
| 01/18/1984 | EP0098379A1 Switching amplifier |
| 12/28/1983 | EP0096807A2 Electrical transformer |
| 11/15/1983 | US4415841 Television receiver ferroresonant power supply with permanent magnet biasing |
| 10/13/1983 | WO1983003500A1 Insulated device for the transmission of binary information through an electric line |
| 09/13/1983 | US4403403 Method of making a fly back transformer |
| 08/23/1983 | US4400675 Transformer with impedance matching means |
| 06/28/1983 | US4390819 Television receiver ferroresonant power supply using a two-material magnetizable core arrangement |
| 06/14/1983 | CA1148228A1 Transformer with a series connected two-part tertiary winding |
| 05/31/1983 | CA1147408A1 Fly-back transformer |
| 05/03/1983 | CA1145822A1 Transformer for voltage regulators |
| 04/05/1983 | CA1144247A1 Pulse transformer |
| 02/15/1983 | CA1141454A1 Device for increasing the parallel inductance of a transformer |
| 02/09/1983 | EP0071305A1 Electric coil |
| 02/09/1983 | EP0071008A1 Line transformer, in particular a transformer for a television receiver |
| 12/09/1982 | WO1982004348A1 Television receiver saturating core regulated power supply with permanent magnet biasing |
| 12/07/1982 | CA1137179A1 Antenna isolation device |
| 10/14/1982 | WO1982003476A1 Television receiver power supply |
| 08/03/1982 | US4342976 Pulse transformer |
| 06/22/1982 | US4336423 Device for increasing the parallel inductance of a transformer |
| 06/15/1982 | US4335423 Transformer |
| 02/09/1982 | US4315232 Subminiature audio transformer |
| 02/02/1982 | US4314220 Fixing structure of electronic component |
| 01/19/1982 | US4311977 Output transformer |
| 12/29/1981 | US4308495 Transformer for voltage regulators |
| 12/08/1981 | US4305056 Transformer with gapped core |
| 11/26/1981 | WO1981003408A1 Pulse transformer with shock excitation |
| 08/12/1981 | EP0033441A1 Pulse transformer and its use as isolation transformer |
| 06/02/1981 | US4271345 Induction heating coil |
| 03/31/1981 | US4259716 Transformer for use in a static inverter |
| 02/03/1981 | CA1095155A1 Miniature multi-impedance transformer module |
| 01/28/1981 | EP0022938A1 Device for increasing the parallel inductance of telephone line transformers |
| 01/27/1981 | CA1094653A1 Audio-frequency injection transformers for ripple control |
| 10/21/1980 | US4229722 Wire coil assembly for an electrical circuit |
| 09/09/1980 | US4222016 High frequency transformer |
| 06/10/1980 | US4207544 High-frequency transformer |
| 02/06/1980 | EP0007781A1 Method and apparatus for controlling the current supplied to a load |
| 02/06/1980 | EP0007526A1 Input transformer |
| 01/15/1980 | CA1069805A1 Electrically insulating coatings |
| 01/08/1980 | US4183002 Winding structure |
| 11/06/1979 | US4173742 Antenna isolation device |
| 10/30/1979 | CA1065418A1 Solid state microwave isolator circuit |
| 10/23/1979 | US4172244 High voltage resistant signal transmission device with isolating transformer |
| 10/23/1979 | US4172215 Transformer coupling circuit providing for cancellation of D.C. fluxes |
| 05/22/1979 | US4156221 Audio-frequency injection transformers for ripple control |
| 03/27/1979 | US4145968 Device for the contactless transmission of electrical energy, in particular for pyrotechnic ignitors or firing devices |
| 01/09/1979 | US4134091 Low cost, high efficiency radio frequency transformer |
| 09/05/1978 | US4112481 Miniature multi-impedance transformer module |
| 07/25/1978 | US4103267 Hybrid transformer device |
| 03/14/1978 | US4079324 Pulse transformer, particularly for low-impedance modulators |
| 05/17/1977 | US4024452 Integrated solid state isolator circuit |
| 03/15/1977 | US4012703 Transmission line pulse transformers |
| 01/18/1977 | US4004251 Inverter transformer |
| 08/10/1976 | US3974425 Isolator circuit with improved frequency response |
| 02/03/1976 | US3936783 Medium frequency power transformer with a secondary winding suitable for a rigid connection with an inductor through which the coolant flows |